From d78333c74ffbae3b4d83491ffa0bba4980306fc3 Mon Sep 17 00:00:00 2001 From: Kirill Fedoseev Date: Thu, 7 Jan 2021 12:54:33 +0700 Subject: [PATCH] Initial commit, NFT Omnibridge contracts version 1.0.0 --- .dockerignore | 14 + .eslintignore | 3 + .eslintrc | 33 + .gitattributes | 1 + .github/workflows/main.yml | 44 + .github/workflows/release.yml | 35 + .gitignore | 10 + .nvmrc | 1 + .prettierrc | 14 + .solcover.js | 6 + .solhint.json | 12 + Dockerfile | 28 + Dockerfile.dev | 19 + LICENSE | 674 ++ README.md | 14 + contracts/interfaces/IAMB.sol | 37 + .../IBurnableMintableERC721Token.sol | 11 + contracts/interfaces/IOwnable.sol | 5 + .../IUpgradeabilityOwnerStorage.sol | 5 + contracts/libraries/Bytes.sol | 22 + contracts/libraries/TokenReader.sol | 99 + contracts/mocks/AMBMock.sol | 83 + contracts/tokens/ERC721BridgeToken.sol | 85 + contracts/upgradeability/EternalStorage.sol | 14 + .../upgradeability/EternalStorageProxy.sol | 15 + .../OwnedUpgradeabilityProxy.sol | 70 + contracts/upgradeability/Proxy.sol | 95 + contracts/upgradeability/README.md | 13 + .../UpgradeabilityOwnerStorage.sol | 25 + .../upgradeability/UpgradeabilityProxy.sol | 46 + .../upgradeability/UpgradeabilityStorage.sol | 29 + .../BasicAMBMediator.sol | 132 + .../upgradeable_contracts/Initializable.sol | 15 + contracts/upgradeable_contracts/Ownable.sol | 67 + .../upgradeable_contracts/ReentrancyGuard.sol | 21 + .../upgradeable_contracts/Upgradeable.sol | 11 + .../VersionableBridge.sol | 14 + .../omnibridge_nft/BasicNFTOmnibridge.sol | 376 ++ .../omnibridge_nft/ForeignNFTOmnibridge.sol | 19 + .../omnibridge_nft/HomeNFTOmnibridge.sol | 19 + .../bridged/BridgedTokensRegistry.sol | 41 + .../components/bridged/ERC721TokenProxy.sol | 76 + .../components/bridged/TokenImageStorage.sol | 38 + .../common/BridgeOperationsStorage.sol | 60 + .../components/common/ERC721Relayer.sol | 100 + .../common/FailedMessagesProcessor.sol | 66 + .../components/common/NFTBridgeLimits.sol | 145 + .../components/common/NFTOmnibridgeInfo.sol | 44 + .../components/native/ERC721Reader.sol | 62 + .../native/NFTMediatorBalanceStorage.sol | 34 + .../native/NativeTokensRegistry.sol | 36 + deploy.sh | 31 + deploy/.env.example | 38 + deploy/README.md | 102 + deploy/deploy.js | 61 + deploy/src/constants.js | 15 + deploy/src/deploymentUtils.js | 176 + deploy/src/loadContracts.js | 6 + deploy/src/loadEnv.js | 57 + deploy/src/omnibridge_nft/foreign.js | 53 + deploy/src/omnibridge_nft/home.js | 49 + .../src/omnibridge_nft/initializeForeign.js | 68 + deploy/src/omnibridge_nft/initializeHome.js | 67 + deploy/src/omnibridge_nft/preDeploy.js | 34 + deploy/src/utils/verifier.js | 114 + deploy/src/web3.js | 39 + docker-compose.yml | 12 + flatten.sh | 26 + package.json | 53 + scripts/test.sh | 41 + test/helpers/helpers.js | 204 + test/omnibridge_nft/common.test.js | 935 +++ test/setup.js | 13 + truffle-config.js | 26 + yarn.lock | 5874 +++++++++++++++++ 75 files changed, 11032 insertions(+) create mode 100644 .dockerignore create mode 100644 .eslintignore create mode 100644 .eslintrc create mode 100644 .gitattributes create mode 100644 .github/workflows/main.yml create mode 100644 .github/workflows/release.yml create mode 100644 .gitignore create mode 100644 .nvmrc create mode 100644 .prettierrc create mode 100644 .solcover.js create mode 100644 .solhint.json create mode 100644 Dockerfile create mode 100644 Dockerfile.dev create mode 100644 LICENSE create mode 100644 README.md create mode 100644 contracts/interfaces/IAMB.sol create mode 100644 contracts/interfaces/IBurnableMintableERC721Token.sol create mode 100644 contracts/interfaces/IOwnable.sol create mode 100644 contracts/interfaces/IUpgradeabilityOwnerStorage.sol create mode 100644 contracts/libraries/Bytes.sol create mode 100644 contracts/libraries/TokenReader.sol create mode 100644 contracts/mocks/AMBMock.sol create mode 100644 contracts/tokens/ERC721BridgeToken.sol create mode 100644 contracts/upgradeability/EternalStorage.sol create mode 100644 contracts/upgradeability/EternalStorageProxy.sol create mode 100644 contracts/upgradeability/OwnedUpgradeabilityProxy.sol create mode 100644 contracts/upgradeability/Proxy.sol create mode 100644 contracts/upgradeability/README.md create mode 100644 contracts/upgradeability/UpgradeabilityOwnerStorage.sol create mode 100644 contracts/upgradeability/UpgradeabilityProxy.sol create mode 100644 contracts/upgradeability/UpgradeabilityStorage.sol create mode 100644 contracts/upgradeable_contracts/BasicAMBMediator.sol create mode 100644 contracts/upgradeable_contracts/Initializable.sol create mode 100644 contracts/upgradeable_contracts/Ownable.sol create mode 100644 contracts/upgradeable_contracts/ReentrancyGuard.sol create mode 100644 contracts/upgradeable_contracts/Upgradeable.sol create mode 100644 contracts/upgradeable_contracts/VersionableBridge.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/BasicNFTOmnibridge.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/ForeignNFTOmnibridge.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/HomeNFTOmnibridge.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/bridged/BridgedTokensRegistry.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/bridged/ERC721TokenProxy.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/bridged/TokenImageStorage.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/common/BridgeOperationsStorage.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/common/ERC721Relayer.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/common/FailedMessagesProcessor.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/common/NFTBridgeLimits.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/common/NFTOmnibridgeInfo.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/native/ERC721Reader.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/native/NFTMediatorBalanceStorage.sol create mode 100644 contracts/upgradeable_contracts/omnibridge_nft/components/native/NativeTokensRegistry.sol create mode 100755 deploy.sh create mode 100644 deploy/.env.example create mode 100644 deploy/README.md create mode 100644 deploy/deploy.js create mode 100644 deploy/src/constants.js create mode 100644 deploy/src/deploymentUtils.js create mode 100644 deploy/src/loadContracts.js create mode 100644 deploy/src/loadEnv.js create mode 100644 deploy/src/omnibridge_nft/foreign.js create mode 100644 deploy/src/omnibridge_nft/home.js create mode 100644 deploy/src/omnibridge_nft/initializeForeign.js create mode 100644 deploy/src/omnibridge_nft/initializeHome.js create mode 100644 deploy/src/omnibridge_nft/preDeploy.js create mode 100644 deploy/src/utils/verifier.js create mode 100644 deploy/src/web3.js create mode 100644 docker-compose.yml create mode 100755 flatten.sh create mode 100644 package.json create mode 100755 scripts/test.sh create mode 100644 test/helpers/helpers.js create mode 100644 test/omnibridge_nft/common.test.js create mode 100644 test/setup.js create mode 100644 truffle-config.js create mode 100644 yarn.lock diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..71e1a89 --- /dev/null +++ b/.dockerignore @@ -0,0 +1,14 @@ +**/node_modules +.git +.gitignore +.dockerignore +deploy/*.config +deploy/*.env* +!deploy/.env.example +docker-compose.yml +Dockerfile* +*.log +flats +contracts.sublime-project +contracts.sublime-workspace +build/ diff --git a/.eslintignore b/.eslintignore new file mode 100644 index 0000000..1d2a37f --- /dev/null +++ b/.eslintignore @@ -0,0 +1,3 @@ +node_modules +build +coverage diff --git a/.eslintrc b/.eslintrc new file mode 100644 index 0000000..87fb93c --- /dev/null +++ b/.eslintrc @@ -0,0 +1,33 @@ +{ + "extends": [ + "plugin:node/recommended", + "airbnb-base", + "plugin:prettier/recommended" + ], + "plugins": ["node"], + "env": { + "node" : true, + "mocha" : true + }, + "globals" : { + "artifacts": false, + "contract": false, + "assert": false, + "web3": false + }, + "rules": { + "no-plusplus": "off", + "no-await-in-loop": "off", + "no-shadow": "off", + "prefer-destructuring": "off", + "no-use-before-define": ["error", { "functions": false }], + "no-restricted-syntax": "off", + "node/no-unpublished-require": "off", + "func-names": "off", + "import/no-dynamic-require": "off", + "global-require": "off", + "no-loop-func": "off", + "no-console": "off", + "node/no-missing-require": "off" + } +} diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..52031de --- /dev/null +++ b/.gitattributes @@ -0,0 +1 @@ +*.sol linguist-language=Solidity diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml new file mode 100644 index 0000000..b7565a5 --- /dev/null +++ b/.github/workflows/main.yml @@ -0,0 +1,44 @@ +name: omnibridge-nft-contracts + +on: [push] + +jobs: + validate: + runs-on: ubuntu-latest + strategy: + fail-fast: false + matrix: + task: [lint, test] + steps: + - uses: actions/setup-node@v1 + with: + node-version: 14 + - uses: actions/checkout@v2 + - uses: actions/cache@v2 + id: yarn-cache + with: + path: node_modules + key: ${{ runner.os }}-node_modules-${{ hashFiles('**/yarn.lock') }} + - run: yarn + if: ${{ !steps.yarn-cache.outputs.cache-hit }} + - run: yarn ${{ matrix.task }} + coverage: + runs-on: ubuntu-latest + if: github.ref == 'refs/heads/master' || github.ref == 'refs/heads/develop' || startsWith(github.ref, 'refs/tags') + steps: + - uses: actions/setup-node@v1 + with: + node-version: 14 + - uses: actions/checkout@v2 + - uses: actions/cache@v2 + id: yarn-cache + with: + path: node_modules + key: ${{ runner.os }}-node_modules-${{ hashFiles('**/yarn.lock') }} + - run: yarn + if: ${{ !steps.yarn-cache.outputs.cache-hit }} + - run: yarn coverage + - name: Coveralls + uses: coverallsapp/github-action@master + with: + github-token: ${{ secrets.GITHUB_TOKEN }} diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml new file mode 100644 index 0000000..c875a0a --- /dev/null +++ b/.github/workflows/release.yml @@ -0,0 +1,35 @@ +name: release + +on: + release: + types: [created] + +jobs: + flats: + runs-on: ubuntu-latest + steps: + - id: get_release + uses: bruceadams/get-release@v1.2.1 + env: + GITHUB_TOKEN: ${{ github.token }} + - uses: actions/setup-node@v1 + with: + node-version: 14 + - uses: actions/checkout@v2 + - uses: actions/cache@v2 + id: yarn-cache + with: + path: node_modules + key: ${{ runner.os }}-node_modules-${{ hashFiles('**/yarn.lock') }} + - run: yarn + if: ${{ !steps.yarn-cache.outputs.cache-hit }} + - run: yarn flatten + - run: zip flats $(find flats -name '*.sol') + - uses: actions/upload-release-asset@v1.0.2 + env: + GITHUB_TOKEN: ${{ github.token }} + with: + upload_url: ${{ steps.get_release.outputs.upload_url }} + asset_path: flats.zip + asset_name: omnibridge-nft-contracts-flattened-${{ steps.get_release.outputs.tag_name }}.zip + asset_content_type: application/zip diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..16cf3f7 --- /dev/null +++ b/.gitignore @@ -0,0 +1,10 @@ +node_modules +build +flats +.idea +coverage +deploy/*.config +deploy/*.env* +!deploy/.env.example +deploy/bridgeDeploymentResults.json +coverage.json diff --git a/.nvmrc b/.nvmrc new file mode 100644 index 0000000..7d602d2 --- /dev/null +++ b/.nvmrc @@ -0,0 +1 @@ +14.14 diff --git a/.prettierrc b/.prettierrc new file mode 100644 index 0000000..1d0318c --- /dev/null +++ b/.prettierrc @@ -0,0 +1,14 @@ +{ + "semi": false, + "singleQuote": true, + "printWidth": 120, + "bracketSpacing": true, + "overrides": [ + { + "files": "*.sol", + "options": { + "singleQuote": false + } + } + ] +} diff --git a/.solcover.js b/.solcover.js new file mode 100644 index 0000000..5bf9779 --- /dev/null +++ b/.solcover.js @@ -0,0 +1,6 @@ +module.exports = { + mocha: { + timeout: 30000 + }, + skipFiles: ['mocks'] +} diff --git a/.solhint.json b/.solhint.json new file mode 100644 index 0000000..d7126de --- /dev/null +++ b/.solhint.json @@ -0,0 +1,12 @@ +{ + "extends": "solhint:recommended", + "plugins": ["prettier"], + "rules": { + "prettier/prettier": "error", + "avoid-low-level-calls": "off", + "no-inline-assembly": "off", + "reason-string": "off", + "func-visibility": ["warn", { "ignoreConstructors": true } ], + "compiler-version": ["error", "0.7.5"] + } +} diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..6333466 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,28 @@ +FROM node:14 as contracts + +WORKDIR /contracts + +COPY package.json yarn.lock ./ +RUN yarn + +COPY truffle-config.js truffle-config.js +COPY ./contracts ./contracts +RUN yarn compile + +COPY flatten.sh flatten.sh +RUN yarn flatten + +FROM node:14 + +WORKDIR /contracts + +COPY package.json yarn.lock ./ +RUN yarn install --prod + +COPY --from=contracts /contracts/build ./build +COPY --from=contracts /contracts/flats ./flats + +COPY deploy.sh deploy.sh +COPY ./deploy ./deploy + +ENV PATH="/contracts/:${PATH}" diff --git a/Dockerfile.dev b/Dockerfile.dev new file mode 100644 index 0000000..9d8b704 --- /dev/null +++ b/Dockerfile.dev @@ -0,0 +1,19 @@ +FROM node:14 + +WORKDIR /contracts + +COPY package.json yarn.lock ./ +RUN yarn + +COPY truffle-config.js truffle-config.js +COPY ./contracts ./contracts +RUN yarn compile + +COPY flatten.sh flatten.sh +RUN yarn flatten + +COPY deploy.sh deploy.sh +COPY ./deploy ./deploy +COPY ./test ./test + +ENV PATH="/contracts/:${PATH}" diff --git a/LICENSE b/LICENSE 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But first, please read +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..0c3097c --- /dev/null +++ b/README.md @@ -0,0 +1,14 @@ +[![Join the chat at https://gitter.im/poanetwork/poa-bridge](https://badges.gitter.im/poanetwork/poa-bridge.svg)](https://gitter.im/poanetwork/poa-bridge?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) +[![Build Status](https://github.com/poanetwork/omnibridge-nft/workflows/omnibridge-nft-contracts/badge.svg?branch=master)](https://github.com/poanetwork/omnibridge-nft/workflows/omnibridge-nft-contracts/badge.svg?branch=master) + +# Omnibridge NFT Smart Contracts +These contracts provide the core functionality for the Omnibridge NFT AMB extension. + +## License + +[![License: GPL v3.0](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0) + +This project is licensed under the GNU General Public License v3.0. See the [LICENSE](LICENSE) file for details. + + + diff --git a/contracts/interfaces/IAMB.sol b/contracts/interfaces/IAMB.sol new file mode 100644 index 0000000..8bb9fc7 --- /dev/null +++ b/contracts/interfaces/IAMB.sol @@ -0,0 +1,37 @@ +pragma solidity 0.7.5; + +interface IAMB { + function messageSender() external view returns (address); + + function maxGasPerTx() external view returns (uint256); + + function transactionHash() external view returns (bytes32); + + function messageId() external view returns (bytes32); + + function messageSourceChainId() external view returns (bytes32); + + function messageCallStatus(bytes32 _messageId) external view returns (bool); + + function failedMessageDataHash(bytes32 _messageId) external view returns (bytes32); + + function failedMessageReceiver(bytes32 _messageId) external view returns (address); + + function failedMessageSender(bytes32 _messageId) external view returns (address); + + function requireToPassMessage( + address _contract, + bytes calldata _data, + uint256 _gas + ) external returns (bytes32); + + function requireToConfirmMessage( + address _contract, + bytes calldata _data, + uint256 _gas + ) external returns (bytes32); + + function sourceChainId() external view returns (uint256); + + function destinationChainId() external view returns (uint256); +} diff --git a/contracts/interfaces/IBurnableMintableERC721Token.sol b/contracts/interfaces/IBurnableMintableERC721Token.sol new file mode 100644 index 0000000..0ce8f9d --- /dev/null +++ b/contracts/interfaces/IBurnableMintableERC721Token.sol @@ -0,0 +1,11 @@ +pragma solidity 0.7.5; + +import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; + +interface IBurnableMintableERC721Token is IERC721 { + function mint(address _to, uint256 _tokeId) external; + + function burn(uint256 _tokenId) external; + + function setTokenURI(uint256 _tokenId, string calldata _tokenURI) external; +} diff --git a/contracts/interfaces/IOwnable.sol b/contracts/interfaces/IOwnable.sol new file mode 100644 index 0000000..f3afa40 --- /dev/null +++ b/contracts/interfaces/IOwnable.sol @@ -0,0 +1,5 @@ +pragma solidity 0.7.5; + +interface IOwnable { + function owner() external view returns (address); +} diff --git a/contracts/interfaces/IUpgradeabilityOwnerStorage.sol b/contracts/interfaces/IUpgradeabilityOwnerStorage.sol new file mode 100644 index 0000000..7d1936a --- /dev/null +++ b/contracts/interfaces/IUpgradeabilityOwnerStorage.sol @@ -0,0 +1,5 @@ +pragma solidity 0.7.5; + +interface IUpgradeabilityOwnerStorage { + function upgradeabilityOwner() external view returns (address); +} diff --git a/contracts/libraries/Bytes.sol b/contracts/libraries/Bytes.sol new file mode 100644 index 0000000..5c049bb --- /dev/null +++ b/contracts/libraries/Bytes.sol @@ -0,0 +1,22 @@ +pragma solidity 0.7.5; + +/** + * @title Bytes + * @dev Helper methods to transform bytes to other solidity types. + */ +library Bytes { + /** + * @dev Truncate bytes array if its size is more than 20 bytes. + * NOTE: This function does not perform any checks on the received parameter. + * Make sure that the _bytes argument has a correct length, not less than 20 bytes. + * A case when _bytes has length less than 20 will lead to the undefined behaviour, + * since assembly will read data from memory that is not related to the _bytes argument. + * @param _bytes to be converted to address type + * @return addr address included in the firsts 20 bytes of the bytes array in parameter. + */ + function bytesToAddress(bytes memory _bytes) internal pure returns (address addr) { + assembly { + addr := mload(add(_bytes, 20)) + } + } +} diff --git a/contracts/libraries/TokenReader.sol b/contracts/libraries/TokenReader.sol new file mode 100644 index 0000000..c4236c7 --- /dev/null +++ b/contracts/libraries/TokenReader.sol @@ -0,0 +1,99 @@ +pragma solidity 0.7.5; + +// solhint-disable +interface ITokenDetails { + function name() external view; + function NAME() external view; + function symbol() external view; + function SYMBOL() external view; + function decimals() external view; + function DECIMALS() external view; +} +// solhint-enable + +/** + * @title TokenReader + * @dev Helper methods for reading name/symbol/decimals parameters from ERC20 token contracts. + */ +library TokenReader { + /** + * @dev Reads the name property of the provided token. + * Either name() or NAME() method is used. + * Both, string and bytes32 types are supported. + * @param _token address of the token contract. + * @return token name as a string or an empty string if none of the methods succeeded. + */ + function readName(address _token) internal view returns (string memory) { + (bool status, bytes memory data) = _token.staticcall(abi.encodeWithSelector(ITokenDetails.name.selector)); + if (!status) { + (status, data) = _token.staticcall(abi.encodeWithSelector(ITokenDetails.NAME.selector)); + if (!status) { + return ""; + } + } + return _convertToString(data); + } + + /** + * @dev Reads the symbol property of the provided token. + * Either symbol() or SYMBOL() method is used. + * Both, string and bytes32 types are supported. + * @param _token address of the token contract. + * @return token symbol as a string or an empty string if none of the methods succeeded. + */ + function readSymbol(address _token) internal view returns (string memory) { + (bool status, bytes memory data) = _token.staticcall(abi.encodeWithSelector(ITokenDetails.symbol.selector)); + if (!status) { + (status, data) = _token.staticcall(abi.encodeWithSelector(ITokenDetails.SYMBOL.selector)); + if (!status) { + return ""; + } + } + return _convertToString(data); + } + + /** + * @dev Reads the decimals property of the provided token. + * Either decimals() or DECIMALS() method is used. + * @param _token address of the token contract. + * @return token decimals or 0 if none of the methods succeeded. + */ + function readDecimals(address _token) internal view returns (uint256) { + (bool status, bytes memory data) = _token.staticcall(abi.encodeWithSelector(ITokenDetails.decimals.selector)); + if (!status) { + (status, data) = _token.staticcall(abi.encodeWithSelector(ITokenDetails.DECIMALS.selector)); + if (!status) { + return 0; + } + } + return abi.decode(data, (uint256)); + } + + /** + * @dev Internal function for converting returned value of name()/symbol() from bytes32/string to string. + * @param returnData data returned by the token contract. + * @return string with value obtained from returnData. + */ + function _convertToString(bytes memory returnData) private pure returns (string memory) { + if (returnData.length > 32) { + return abi.decode(returnData, (string)); + } else if (returnData.length == 32) { + bytes32 data = abi.decode(returnData, (bytes32)); + string memory res = new string(32); + assembly { + let len := 0 + mstore(add(res, 32), data) // save value in result string + + // solhint-disable + for { } gt(data, 0) { len := add(len, 1) } { // until string is empty + data := shl(8, data) // shift left by one symbol + } + // solhint-enable + mstore(res, len) // save result string length + } + return res; + } else { + return ""; + } + } +} diff --git a/contracts/mocks/AMBMock.sol b/contracts/mocks/AMBMock.sol new file mode 100644 index 0000000..3cd5b1d --- /dev/null +++ b/contracts/mocks/AMBMock.sol @@ -0,0 +1,83 @@ +pragma solidity 0.7.5; + +contract AMBMock { + event MockedEvent(bytes32 indexed messageId, address executor, uint8 dataType, bytes data); + + address public messageSender; + uint256 public immutable maxGasPerTx; + bytes32 public transactionHash; + bytes32 public messageId; + uint256 public nonce; + uint256 public messageSourceChainId; + mapping(bytes32 => bool) public messageCallStatus; + mapping(bytes32 => address) public failedMessageSender; + mapping(bytes32 => address) public failedMessageReceiver; + mapping(bytes32 => bytes32) public failedMessageDataHash; + + constructor() { + maxGasPerTx = 1000000; + } + + function executeMessageCall( + address _contract, + address _sender, + bytes calldata _data, + bytes32 _messageId, + uint256 _gas + ) external { + messageSender = _sender; + messageId = _messageId; + transactionHash = _messageId; + messageSourceChainId = 1337; + (bool status, ) = _contract.call{ gas: _gas }(_data); + messageSender = address(0); + messageId = bytes32(0); + transactionHash = bytes32(0); + messageSourceChainId = 0; + + messageCallStatus[_messageId] = status; + if (!status) { + failedMessageDataHash[_messageId] = keccak256(_data); + failedMessageReceiver[_messageId] = _contract; + failedMessageSender[_messageId] = _sender; + } + } + + function requireToPassMessage( + address _contract, + bytes calldata _data, + uint256 _gas + ) external returns (bytes32) { + return _sendMessage(_contract, _data, _gas, 0x00); + } + + function requireToConfirmMessage( + address _contract, + bytes calldata _data, + uint256 _gas + ) external returns (bytes32) { + return _sendMessage(_contract, _data, _gas, 0x80); + } + + function _sendMessage( + address _contract, + bytes calldata _data, + uint256, + uint256 _dataType + ) internal returns (bytes32) { + require(messageId == bytes32(0)); + bytes32 bridgeId = + keccak256(abi.encodePacked(uint16(1337), address(this))) & + 0x00000000ffffffffffffffffffffffffffffffffffffffff0000000000000000; + + bytes32 _messageId = bytes32(uint256(0x11223344 << 224)) | bridgeId | bytes32(nonce); + nonce += 1; + + emit MockedEvent(_messageId, _contract, uint8(_dataType), _data); + return _messageId; + } + + function sourceChainId() external pure returns (uint256) { + return 1337; + } +} diff --git a/contracts/tokens/ERC721BridgeToken.sol b/contracts/tokens/ERC721BridgeToken.sol new file mode 100644 index 0000000..90d66ab --- /dev/null +++ b/contracts/tokens/ERC721BridgeToken.sol @@ -0,0 +1,85 @@ +pragma solidity 0.7.5; + +import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; +import "../interfaces/IOwnable.sol"; +import "../interfaces/IBurnableMintableERC721Token.sol"; + +/** + * @title ERC721BridgeToken + * @dev template token contract for bridged ERC721 tokens. + */ +contract ERC721BridgeToken is ERC721, IBurnableMintableERC721Token { + address public bridgeContract; + + constructor( + string memory _name, + string memory _symbol, + address _bridgeContract + ) ERC721(_name, _symbol) { + bridgeContract = _bridgeContract; + } + + /** + * @dev Throws if sender is not a bridge contract. + */ + modifier onlyBridge() { + require(msg.sender == bridgeContract); + _; + } + + /** + * @dev Throws if sender is not a bridge contract or bridge contract owner. + */ + modifier onlyOwner() { + require(msg.sender == bridgeContract || msg.sender == IOwnable(bridgeContract).owner()); + _; + } + + /** + * @dev Mint new ERC721 token. + * Only bridge contract is authorized to mint tokens. + * @param _to address of the newly created token owner. + * @param _tokenId unique identifier of the minted token. + */ + function mint(address _to, uint256 _tokenId) external override onlyBridge { + _safeMint(_to, _tokenId); + } + + /** + * @dev Burns some ERC721 token. + * Only bridge contract is authorized to burn tokens. + * @param _tokenId unique identifier of the burned token. + */ + function burn(uint256 _tokenId) external override onlyBridge { + _burn(_tokenId); + } + + /** + * @dev Sets the base URI for all tokens. + * Can be called by bridge owner after token contract was instantiated. + * @param _baseURI new base URI. + */ + function setBaseURI(string calldata _baseURI) external onlyOwner { + _setBaseURI(_baseURI); + } + + /** + * @dev Updates the bridge contract address. + * Can be called by bridge owner after token contract was instantiated. + * @param _bridgeContract address of the new bridge contract. + */ + function setBridgeContract(address _bridgeContract) external onlyOwner { + require(_bridgeContract != address(0)); + bridgeContract = _bridgeContract; + } + + /** + * @dev Sets the URI for the particular token. + * Can be called by bridge owner after token bridging. + * @param _tokenId URI for the bridged token metadata. + * @param _tokenURI new token URI. + */ + function setTokenURI(uint256 _tokenId, string calldata _tokenURI) external override onlyOwner { + _setTokenURI(_tokenId, _tokenURI); + } +} diff --git a/contracts/upgradeability/EternalStorage.sol b/contracts/upgradeability/EternalStorage.sol new file mode 100644 index 0000000..02f538a --- /dev/null +++ b/contracts/upgradeability/EternalStorage.sol @@ -0,0 +1,14 @@ +pragma solidity 0.7.5; + +/** + * @title EternalStorage + * @dev This contract holds all the necessary state variables to carry out the storage of any contract. + */ +contract EternalStorage { + mapping(bytes32 => uint256) internal uintStorage; + mapping(bytes32 => string) internal stringStorage; + mapping(bytes32 => address) internal addressStorage; + mapping(bytes32 => bytes) internal bytesStorage; + mapping(bytes32 => bool) internal boolStorage; + mapping(bytes32 => int256) internal intStorage; +} diff --git a/contracts/upgradeability/EternalStorageProxy.sol b/contracts/upgradeability/EternalStorageProxy.sol new file mode 100644 index 0000000..87d0563 --- /dev/null +++ b/contracts/upgradeability/EternalStorageProxy.sol @@ -0,0 +1,15 @@ +pragma solidity 0.7.5; + +import "./EternalStorage.sol"; +import "./OwnedUpgradeabilityProxy.sol"; + +/** + * @title EternalStorageProxy + * @dev This proxy holds the storage of the token contract and delegates every call to the current implementation set. + * Besides, it allows to upgrade the token's behaviour towards further implementations, and provides basic + * authorization control functionalities + */ +// solhint-disable-next-line no-empty-blocks +contract EternalStorageProxy is EternalStorage, OwnedUpgradeabilityProxy { + +} diff --git a/contracts/upgradeability/OwnedUpgradeabilityProxy.sol b/contracts/upgradeability/OwnedUpgradeabilityProxy.sol new file mode 100644 index 0000000..e285d1f --- /dev/null +++ b/contracts/upgradeability/OwnedUpgradeabilityProxy.sol @@ -0,0 +1,70 @@ +pragma solidity 0.7.5; + +import "./UpgradeabilityProxy.sol"; +import "./UpgradeabilityOwnerStorage.sol"; + +/** + * @title OwnedUpgradeabilityProxy + * @dev This contract combines an upgradeability proxy with basic authorization control functionalities + */ +contract OwnedUpgradeabilityProxy is UpgradeabilityOwnerStorage, UpgradeabilityProxy { + /** + * @dev Event to show ownership has been transferred + * @param previousOwner representing the address of the previous owner + * @param newOwner representing the address of the new owner + */ + event ProxyOwnershipTransferred(address previousOwner, address newOwner); + + /** + * @dev the constructor sets the original owner of the contract to the sender account. + */ + constructor() { + setUpgradeabilityOwner(msg.sender); + } + + /** + * @dev Throws if called by any account other than the owner. + */ + modifier onlyUpgradeabilityOwner() { + require(msg.sender == upgradeabilityOwner()); + _; + } + + /** + * @dev Allows the current owner to transfer control of the contract to a newOwner. + * @param newOwner The address to transfer ownership to. + */ + function transferProxyOwnership(address newOwner) external onlyUpgradeabilityOwner { + require(newOwner != address(0)); + emit ProxyOwnershipTransferred(upgradeabilityOwner(), newOwner); + setUpgradeabilityOwner(newOwner); + } + + /** + * @dev Allows the upgradeability owner to upgrade the current version of the proxy. + * @param version representing the version name of the new implementation to be set. + * @param implementation representing the address of the new implementation to be set. + */ + function upgradeTo(uint256 version, address implementation) public onlyUpgradeabilityOwner { + _upgradeTo(version, implementation); + } + + /** + * @dev Allows the upgradeability owner to upgrade the current version of the proxy and call the new implementation + * to initialize whatever is needed through a low level call. + * @param version representing the version name of the new implementation to be set. + * @param implementation representing the address of the new implementation to be set. + * @param data represents the msg.data to bet sent in the low level call. This parameter may include the function + * signature of the implementation to be called with the needed payload + */ + function upgradeToAndCall( + uint256 version, + address implementation, + bytes calldata data + ) external payable onlyUpgradeabilityOwner { + upgradeTo(version, implementation); + // solhint-disable-next-line avoid-call-value + (bool status, ) = address(this).call{ value: msg.value }(data); + require(status); + } +} diff --git a/contracts/upgradeability/Proxy.sol b/contracts/upgradeability/Proxy.sol new file mode 100644 index 0000000..33a3945 --- /dev/null +++ b/contracts/upgradeability/Proxy.sol @@ -0,0 +1,95 @@ +pragma solidity 0.7.5; + +/** + * @title Proxy + * @dev Gives the possibility to delegate any call to a foreign implementation. + */ +abstract contract Proxy { + /** + * @dev Tells the address of the implementation where every call will be delegated. + * @return address of the implementation to which it will be delegated + */ + function implementation() public view virtual returns (address); + + /** + * @dev Fallback function allowing to perform a delegatecall to the given implementation. + * This function will return whatever the implementation call returns + */ + fallback() external payable { + // solhint-disable-previous-line no-complex-fallback + address _impl = implementation(); + require(_impl != address(0)); + assembly { + /* + 0x40 is the "free memory slot", meaning a pointer to next slot of empty memory. mload(0x40) + loads the data in the free memory slot, so `ptr` is a pointer to the next slot of empty + memory. It's needed because we're going to write the return data of delegatecall to the + free memory slot. + */ + let ptr := mload(0x40) + /* + `calldatacopy` is copy calldatasize bytes from calldata + First argument is the destination to which data is copied(ptr) + Second argument specifies the start position of the copied data. + Since calldata is sort of its own unique location in memory, + 0 doesn't refer to 0 in memory or 0 in storage - it just refers to the zeroth byte of calldata. + That's always going to be the zeroth byte of the function selector. + Third argument, calldatasize, specifies how much data will be copied. + calldata is naturally calldatasize bytes long (same thing as msg.data.length) + */ + calldatacopy(ptr, 0, calldatasize()) + /* + delegatecall params explained: + gas: the amount of gas to provide for the call. `gas` is an Opcode that gives + us the amount of gas still available to execution + + _impl: address of the contract to delegate to + + ptr: to pass copied data + + calldatasize: loads the size of `bytes memory data`, same as msg.data.length + + 0, 0: These are for the `out` and `outsize` params. Because the output could be dynamic, + these are set to 0, 0 so the output data will not be written to memory. The output + data will be read using `returndatasize` and `returdatacopy` instead. + + result: This will be 0 if the call fails and 1 if it succeeds + */ + let result := delegatecall(gas(), _impl, ptr, calldatasize(), 0, 0) + /* + + */ + /* + ptr current points to the value stored at 0x40, + because we assigned it like ptr := mload(0x40). + Because we use 0x40 as a free memory pointer, + we want to make sure that the next time we want to allocate memory, + we aren't overwriting anything important. + So, by adding ptr and returndatasize, + we get a memory location beyond the end of the data we will be copying to ptr. + We place this in at 0x40, and any reads from 0x40 will now read from free memory + */ + mstore(0x40, add(ptr, returndatasize())) + /* + `returndatacopy` is an Opcode that copies the last return data to a slot. `ptr` is the + slot it will copy to, 0 means copy from the beginning of the return data, and size is + the amount of data to copy. + `returndatasize` is an Opcode that gives us the size of the last return data. In this case, that is the size of the data returned from delegatecall + */ + returndatacopy(ptr, 0, returndatasize()) + + /* + if `result` is 0, revert. + if `result` is 1, return `size` amount of data from `ptr`. This is the data that was + copied to `ptr` from the delegatecall return data + */ + switch result + case 0 { + revert(ptr, returndatasize()) + } + default { + return(ptr, returndatasize()) + } + } + } +} diff --git a/contracts/upgradeability/README.md b/contracts/upgradeability/README.md new file mode 100644 index 0000000..37f6f7e --- /dev/null +++ b/contracts/upgradeability/README.md @@ -0,0 +1,13 @@ +# Upgradeability contracts + +This directory contains contracts needed for the idea of upgradeable contracts. The source code for this contracts was originally taken from [openzeppelin-labs](https://github.com/OpenZeppelin/openzeppelin-labs/tree/8212ac638ce0a6517fd1c4c7f445fe9665925020/upgradeability_using_eternal_storage) repository. + +Since the original code is not recommended for production use, it is not directly imported into this project. + +During the development process and performing security audits, the following minor changes were introduced: +- Required solidity compiler version was fixed at `0.7.5`, since this version is used in the source code of other contracts. Deprecated syntax for constructors and emitting events was also updated to a new one. +- Access modifier `onlyProxyOwner` was renamed to `onlyUpgradeabilityOwner`. Function calls to `proxyOwner()` in `OwnedUpgradeabilityProxy.sol` were directly replaced by calls to `upgradeabilityOwner()`, in order to avoid possible ambiguity. See [#195](https://github.com/poanetwork/tokenbridge-contracts/issues/195). +- Functions modifier `public` was replaced by `external` where possible. +- Version field type was changed from `string` to `uint256`, as it reduces possible complexity and allows to easily introduce a version mutability requirement (`require(version > _version);` in `UpgradeabilityProxy.sol`). +- Additional assembly operation was introduced in `Proxy.sol`, opcodes in line `mstore(0x40, add(ptr, returndatasize))` guarantee the correct value of free memory pointer for execution of next instructions. +- Additional check in `UpgradeabilityProxy.sol` was added, `require(AddressUtils.isContract(implementation))` verifies that new implementation is not a regular address, but a contract. See [#256](https://github.com/poanetwork/tokenbridge-contracts/pull/256). diff --git a/contracts/upgradeability/UpgradeabilityOwnerStorage.sol b/contracts/upgradeability/UpgradeabilityOwnerStorage.sol new file mode 100644 index 0000000..bb5733d --- /dev/null +++ b/contracts/upgradeability/UpgradeabilityOwnerStorage.sol @@ -0,0 +1,25 @@ +pragma solidity 0.7.5; + +/** + * @title UpgradeabilityOwnerStorage + * @dev This contract keeps track of the upgradeability owner + */ +contract UpgradeabilityOwnerStorage { + // Owner of the contract + address internal _upgradeabilityOwner; + + /** + * @dev Tells the address of the owner + * @return the address of the owner + */ + function upgradeabilityOwner() public view returns (address) { + return _upgradeabilityOwner; + } + + /** + * @dev Sets the address of the owner + */ + function setUpgradeabilityOwner(address newUpgradeabilityOwner) internal { + _upgradeabilityOwner = newUpgradeabilityOwner; + } +} diff --git a/contracts/upgradeability/UpgradeabilityProxy.sol b/contracts/upgradeability/UpgradeabilityProxy.sol new file mode 100644 index 0000000..b4798ea --- /dev/null +++ b/contracts/upgradeability/UpgradeabilityProxy.sol @@ -0,0 +1,46 @@ +pragma solidity 0.7.5; + +import "@openzeppelin/contracts/utils/Address.sol"; +import "./Proxy.sol"; +import "./UpgradeabilityStorage.sol"; + +/** + * @title UpgradeabilityProxy + * @dev This contract represents a proxy where the implementation address to which it will delegate can be upgraded + */ +contract UpgradeabilityProxy is Proxy, UpgradeabilityStorage { + /** + * @dev This event will be emitted every time the implementation gets upgraded + * @param version representing the version name of the upgraded implementation + * @param implementation representing the address of the upgraded implementation + */ + event Upgraded(uint256 version, address indexed implementation); + + /** + * @dev Tells the address of the current implementation + * @return address of the current implementation + */ + function implementation() public view override(Proxy, UpgradeabilityStorage) returns (address) { + return UpgradeabilityStorage.implementation(); + } + + /** + * @dev Upgrades the implementation address + * @param version representing the version name of the new implementation to be set + * @param implementation representing the address of the new implementation to be set + */ + function _upgradeTo(uint256 version, address implementation) internal { + require(_implementation != implementation); + + // This additional check verifies that provided implementation is at least a contract + require(Address.isContract(implementation)); + + // This additional check guarantees that new version will be at least greater than the privios one, + // so it is impossible to reuse old versions, or use the last version twice + require(version > _version); + + _version = version; + _implementation = implementation; + emit Upgraded(version, implementation); + } +} diff --git a/contracts/upgradeability/UpgradeabilityStorage.sol b/contracts/upgradeability/UpgradeabilityStorage.sol new file mode 100644 index 0000000..62a4821 --- /dev/null +++ b/contracts/upgradeability/UpgradeabilityStorage.sol @@ -0,0 +1,29 @@ +pragma solidity 0.7.5; + +/** + * @title UpgradeabilityStorage + * @dev This contract holds all the necessary state variables to support the upgrade functionality + */ +contract UpgradeabilityStorage { + // Version name of the current implementation + uint256 internal _version; + + // Address of the current implementation + address internal _implementation; + + /** + * @dev Tells the version name of the current implementation + * @return uint256 representing the name of the current version + */ + function version() external view returns (uint256) { + return _version; + } + + /** + * @dev Tells the address of the current implementation + * @return address of the current implementation + */ + function implementation() public view virtual returns (address) { + return _implementation; + } +} diff --git a/contracts/upgradeable_contracts/BasicAMBMediator.sol b/contracts/upgradeable_contracts/BasicAMBMediator.sol new file mode 100644 index 0000000..5de429f --- /dev/null +++ b/contracts/upgradeable_contracts/BasicAMBMediator.sol @@ -0,0 +1,132 @@ +pragma solidity 0.7.5; + +import "./Ownable.sol"; +import "../interfaces/IAMB.sol"; +import "@openzeppelin/contracts/utils/Address.sol"; + +/** + * @title BasicAMBMediator + * @dev Basic storage and methods needed by mediators to interact with AMB bridge. + */ +contract BasicAMBMediator is Ownable { + bytes32 internal constant BRIDGE_CONTRACT = 0x811bbb11e8899da471f0e69a3ed55090fc90215227fc5fb1cb0d6e962ea7b74f; // keccak256(abi.encodePacked("bridgeContract")) + bytes32 internal constant MEDIATOR_CONTRACT = 0x98aa806e31e94a687a31c65769cb99670064dd7f5a87526da075c5fb4eab9880; // keccak256(abi.encodePacked("mediatorContract")) + bytes32 internal constant REQUEST_GAS_LIMIT = 0x2dfd6c9f781bb6bbb5369c114e949b69ebb440ef3d4dd6b2836225eb1dc3a2be; // keccak256(abi.encodePacked("requestGasLimit")) + + /** + * @dev Throws if caller on the other side is not an associated mediator. + */ + modifier onlyMediator { + _onlyMediator(); + _; + } + + /** + * @dev Internal function for reducing onlyMediator modifier bytecode overhead. + */ + function _onlyMediator() internal view { + require(msg.sender == address(bridgeContract())); + require(messageSender() == mediatorContractOnOtherSide()); + } + + /** + * @dev Sets the AMB bridge contract address. Only the owner can call this method. + * @param _bridgeContract the address of the bridge contract. + */ + function setBridgeContract(address _bridgeContract) external onlyOwner { + _setBridgeContract(_bridgeContract); + } + + /** + * @dev Sets the mediator contract address from the other network. Only the owner can call this method. + * @param _mediatorContract the address of the mediator contract. + */ + function setMediatorContractOnOtherSide(address _mediatorContract) external onlyOwner { + _setMediatorContractOnOtherSide(_mediatorContract); + } + + /** + * @dev Sets the gas limit to be used in the message execution by the AMB bridge on the other network. + * This value can't exceed the parameter maxGasPerTx defined on the AMB bridge. + * Only the owner can call this method. + * @param _requestGasLimit the gas limit for the message execution. + */ + function setRequestGasLimit(uint256 _requestGasLimit) external onlyOwner { + _setRequestGasLimit(_requestGasLimit); + } + + /** + * @dev Get the AMB interface for the bridge contract address + * @return AMB interface for the bridge contract address + */ + function bridgeContract() public view returns (IAMB) { + return IAMB(addressStorage[BRIDGE_CONTRACT]); + } + + /** + * @dev Tells the mediator contract address from the other network. + * @return the address of the mediator contract. + */ + function mediatorContractOnOtherSide() public view virtual returns (address) { + return addressStorage[MEDIATOR_CONTRACT]; + } + + /** + * @dev Tells the gas limit to be used in the message execution by the AMB bridge on the other network. + * @return the gas limit for the message execution. + */ + function requestGasLimit() public view returns (uint256) { + return uintStorage[REQUEST_GAS_LIMIT]; + } + + /** + * @dev Stores a valid AMB bridge contract address. + * @param _bridgeContract the address of the bridge contract. + */ + function _setBridgeContract(address _bridgeContract) internal { + require(Address.isContract(_bridgeContract)); + addressStorage[BRIDGE_CONTRACT] = _bridgeContract; + } + + /** + * @dev Stores the mediator contract address from the other network. + * @param _mediatorContract the address of the mediator contract. + */ + function _setMediatorContractOnOtherSide(address _mediatorContract) internal { + addressStorage[MEDIATOR_CONTRACT] = _mediatorContract; + } + + /** + * @dev Stores the gas limit to be used in the message execution by the AMB bridge on the other network. + * @param _requestGasLimit the gas limit for the message execution. + */ + function _setRequestGasLimit(uint256 _requestGasLimit) internal { + require(_requestGasLimit <= maxGasPerTx()); + uintStorage[REQUEST_GAS_LIMIT] = _requestGasLimit; + } + + /** + * @dev Tells the address that generated the message on the other network that is currently being executed by + * the AMB bridge. + * @return the address of the message sender. + */ + function messageSender() internal view returns (address) { + return bridgeContract().messageSender(); + } + + /** + * @dev Tells the id of the message originated on the other network. + * @return the id of the message originated on the other network. + */ + function messageId() internal view returns (bytes32) { + return bridgeContract().messageId(); + } + + /** + * @dev Tells the maximum gas limit that a message can use on its execution by the AMB bridge on the other network. + * @return the maximum gas limit value. + */ + function maxGasPerTx() internal view returns (uint256) { + return bridgeContract().maxGasPerTx(); + } +} diff --git a/contracts/upgradeable_contracts/Initializable.sol b/contracts/upgradeable_contracts/Initializable.sol new file mode 100644 index 0000000..8f736f3 --- /dev/null +++ b/contracts/upgradeable_contracts/Initializable.sol @@ -0,0 +1,15 @@ +pragma solidity 0.7.5; + +import "../upgradeability/EternalStorage.sol"; + +contract Initializable is EternalStorage { + bytes32 internal constant INITIALIZED = 0x0a6f646cd611241d8073675e00d1a1ff700fbf1b53fcf473de56d1e6e4b714ba; // keccak256(abi.encodePacked("isInitialized")) + + function setInitialize() internal { + boolStorage[INITIALIZED] = true; + } + + function isInitialized() public view returns (bool) { + return boolStorage[INITIALIZED]; + } +} diff --git a/contracts/upgradeable_contracts/Ownable.sol b/contracts/upgradeable_contracts/Ownable.sol new file mode 100644 index 0000000..1f58e51 --- /dev/null +++ b/contracts/upgradeable_contracts/Ownable.sol @@ -0,0 +1,67 @@ +pragma solidity 0.7.5; + +import "../upgradeability/EternalStorage.sol"; +import "../interfaces/IUpgradeabilityOwnerStorage.sol"; + +/** + * @title Ownable + * @dev This contract has an owner address providing basic authorization control + */ +contract Ownable is EternalStorage { + bytes4 internal constant UPGRADEABILITY_OWNER = 0x6fde8202; // upgradeabilityOwner() + + /** + * @dev Event to show ownership has been transferred + * @param previousOwner representing the address of the previous owner + * @param newOwner representing the address of the new owner + */ + event OwnershipTransferred(address previousOwner, address newOwner); + + /** + * @dev Throws if called by any account other than the owner. + */ + modifier onlyOwner() { + require(msg.sender == owner()); + _; + } + + /** + * @dev Throws if called through proxy by any account other than contract itself or an upgradeability owner. + */ + modifier onlyRelevantSender() { + (bool isProxy, bytes memory returnData) = address(this).call(abi.encodeWithSelector(UPGRADEABILITY_OWNER)); + require( + !isProxy || // covers usage without calling through storage proxy + (returnData.length == 32 && msg.sender == abi.decode(returnData, (address))) || // covers usage through regular proxy calls + msg.sender == address(this) // covers calls through upgradeAndCall proxy method + ); + _; + } + + bytes32 internal constant OWNER = 0x02016836a56b71f0d02689e69e326f4f4c1b9057164ef592671cf0d37c8040c0; // keccak256(abi.encodePacked("owner")) + + /** + * @dev Tells the address of the owner + * @return the address of the owner + */ + function owner() public view returns (address) { + return addressStorage[OWNER]; + } + + /** + * @dev Allows the current owner to transfer control of the contract to a newOwner. + * @param newOwner the address to transfer ownership to. + */ + function transferOwnership(address newOwner) external onlyOwner { + _setOwner(newOwner); + } + + /** + * @dev Sets a new owner address + */ + function _setOwner(address newOwner) internal { + require(newOwner != address(0)); + emit OwnershipTransferred(owner(), newOwner); + addressStorage[OWNER] = newOwner; + } +} diff --git a/contracts/upgradeable_contracts/ReentrancyGuard.sol b/contracts/upgradeable_contracts/ReentrancyGuard.sol new file mode 100644 index 0000000..b42554a --- /dev/null +++ b/contracts/upgradeable_contracts/ReentrancyGuard.sol @@ -0,0 +1,21 @@ +pragma solidity 0.7.5; + +contract ReentrancyGuard { + function lock() internal view returns (bool res) { + assembly { + // Even though this is not the same as boolStorage[keccak256(abi.encodePacked("lock"))], + // since solidity mapping introduces another level of addressing, such slot change is safe + // for temporary variables which are cleared at the end of the call execution. + res := sload(0x6168652c307c1e813ca11cfb3a601f1cf3b22452021a5052d8b05f1f1f8a3e92) // keccak256(abi.encodePacked("lock")) + } + } + + function setLock(bool _lock) internal { + assembly { + // Even though this is not the same as boolStorage[keccak256(abi.encodePacked("lock"))], + // since solidity mapping introduces another level of addressing, such slot change is safe + // for temporary variables which are cleared at the end of the call execution. + sstore(0x6168652c307c1e813ca11cfb3a601f1cf3b22452021a5052d8b05f1f1f8a3e92, _lock) // keccak256(abi.encodePacked("lock")) + } + } +} diff --git a/contracts/upgradeable_contracts/Upgradeable.sol b/contracts/upgradeable_contracts/Upgradeable.sol new file mode 100644 index 0000000..0712d76 --- /dev/null +++ b/contracts/upgradeable_contracts/Upgradeable.sol @@ -0,0 +1,11 @@ +pragma solidity 0.7.5; + +import "../interfaces/IUpgradeabilityOwnerStorage.sol"; + +contract Upgradeable { + // Avoid using onlyUpgradeabilityOwner name to prevent issues with implementation from proxy contract + modifier onlyIfUpgradeabilityOwner() { + require(msg.sender == IUpgradeabilityOwnerStorage(address(this)).upgradeabilityOwner()); + _; + } +} diff --git a/contracts/upgradeable_contracts/VersionableBridge.sol b/contracts/upgradeable_contracts/VersionableBridge.sol new file mode 100644 index 0000000..4445035 --- /dev/null +++ b/contracts/upgradeable_contracts/VersionableBridge.sol @@ -0,0 +1,14 @@ +pragma solidity 0.7.5; + +interface VersionableBridge { + function getBridgeInterfacesVersion() + external + pure + returns ( + uint64 major, + uint64 minor, + uint64 patch + ); + + function getBridgeMode() external pure returns (bytes4); +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/BasicNFTOmnibridge.sol b/contracts/upgradeable_contracts/omnibridge_nft/BasicNFTOmnibridge.sol new file mode 100644 index 0000000..32155cc --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/BasicNFTOmnibridge.sol @@ -0,0 +1,376 @@ +pragma solidity 0.7.5; + +import "../Initializable.sol"; +import "../Upgradeable.sol"; +import "./components/common/BridgeOperationsStorage.sol"; +import "./components/common/FailedMessagesProcessor.sol"; +import "./components/common/NFTBridgeLimits.sol"; +import "./components/common/ERC721Relayer.sol"; +import "./components/common/NFTOmnibridgeInfo.sol"; +import "./components/native/NativeTokensRegistry.sol"; +import "./components/native/ERC721Reader.sol"; +import "./components/bridged/BridgedTokensRegistry.sol"; +import "./components/bridged/TokenImageStorage.sol"; +import "./components/bridged/ERC721TokenProxy.sol"; +import "./components/native/NFTMediatorBalanceStorage.sol"; +import "../../tokens/ERC721BridgeToken.sol"; + +/** + * @title BasicNFTOmnibridge + * @dev Commong functionality for multi-token mediator for ERC721 tokens intended to work on top of AMB bridge. + */ +abstract contract BasicNFTOmnibridge is + Initializable, + Upgradeable, + BridgeOperationsStorage, + BridgedTokensRegistry, + NativeTokensRegistry, + NFTOmnibridgeInfo, + NFTBridgeLimits, + ERC721Reader, + TokenImageStorage, + ERC721Relayer, + NFTMediatorBalanceStorage, + FailedMessagesProcessor +{ + /** + * @dev Stores the initial parameters of the mediator. + * @param _bridgeContract the address of the AMB bridge contract. + * @param _mediatorContract the address of the mediator contract on the other network. + * @param _dailyLimit daily limit for outgoing transfers + * @param _executionDailyLimit daily limit for ingoing bridge operations + * @param _requestGasLimit the gas limit for the message execution. + * @param _owner address of the owner of the mediator contract. + * @param _image address of the ERC721 token image. + */ + function initialize( + address _bridgeContract, + address _mediatorContract, + uint256 _dailyLimit, + uint256 _executionDailyLimit, + uint256 _requestGasLimit, + address _owner, + address _image + ) external onlyRelevantSender returns (bool) { + require(!isInitialized()); + + _setBridgeContract(_bridgeContract); + _setMediatorContractOnOtherSide(_mediatorContract); + _setDailyLimit(address(0), _dailyLimit); + _setExecutionDailyLimit(address(0), _executionDailyLimit); + _setRequestGasLimit(_requestGasLimit); + _setOwner(_owner); + _setTokenImage(_image); + + setInitialize(); + + return isInitialized(); + } + + /** + * @dev Checks if specified token was already bridged at least once. + * @param _token address of the token contract. + * @return true, if token was already bridged. + */ + function isTokenRegistered(address _token) public view override returns (bool) { + return isRegisteredAsNativeToken(_token) || nativeTokenAddress(_token) != address(0); + } + + /** + * @dev Handles the bridged token for the first time, includes deployment of new ERC721TokenProxy contract. + * @param _token address of the native ERC721 token on the other side. + * @param _name name of the native token, name suffix will be appended, if empty, symbol will be used instead. + * @param _symbol symbol of the bridged token, if empty, name will be used instead. + * @param _recipient address that will receive the tokens. + * @param _tokenId unique id of the bridged token. + * @param _tokenURI URI for the bridged token instance. + */ + function deployAndHandleBridgedNFT( + address _token, + string calldata _name, + string calldata _symbol, + address _recipient, + uint256 _tokenId, + string calldata _tokenURI + ) external onlyMediator { + address bridgedToken = bridgedTokenAddress(_token); + if (bridgedToken == address(0)) { + string memory name = _name; + string memory symbol = _symbol; + if (bytes(name).length == 0) { + require(bytes(symbol).length > 0); + name = symbol; + } else if (bytes(symbol).length == 0) { + symbol = name; + } + bridgedToken = address(new ERC721TokenProxy(tokenImage(), _transformName(name), symbol, address(this))); + _setTokenAddressPair(_token, bridgedToken); + _initToken(bridgedToken); + } + + _handleTokens(bridgedToken, false, _recipient, _tokenId); + _setTokenURI(bridgedToken, _tokenId, _tokenURI); + } + + /** + * @dev Handles the bridged token for the already registered token pair. + * Checks that the bridged token is inside the execution limits and invokes the Mint accordingly. + * @param _token address of the native ERC721 token on the other side. + * @param _recipient address that will receive the tokens. + * @param _tokenId unique id of the bridged token. + * @param _tokenURI URI for the bridged token instance. + */ + function handleBridgedNFT( + address _token, + address _recipient, + uint256 _tokenId, + string calldata _tokenURI + ) external onlyMediator { + address token = bridgedTokenAddress(_token); + + _handleTokens(token, false, _recipient, _tokenId); + _setTokenURI(token, _tokenId, _tokenURI); + } + + /** + * @dev Handles the bridged token that are native to this chain. + * Checks that the bridged token is inside the execution limits and invokes the Unlock accordingly. + * @param _token address of the native ERC721 token contract. + * @param _recipient address that will receive the tokens. + * @param _tokenId unique id of the bridged token. + */ + function handleNativeNFT( + address _token, + address _recipient, + uint256 _tokenId + ) external onlyMediator { + require(isRegisteredAsNativeToken(_token)); + + _handleTokens(_token, true, _recipient, _tokenId); + } + + /** + * @dev Allows to pre-set the bridged token contract for not-yet bridged token. + * Only the owner can call this method. + * @param _nativeToken address of the token contract on the other side that was not yet bridged. + * @param _bridgedToken address of the bridged token contract. + */ + function setCustomTokenAddressPair(address _nativeToken, address _bridgedToken) external onlyOwner { + require(Address.isContract(_bridgedToken)); + require(!isTokenRegistered(_bridgedToken)); + require(bridgedTokenAddress(_nativeToken) == address(0)); + + _setTokenAddressPair(_nativeToken, _bridgedToken); + _initToken(_bridgedToken); + } + + /** + * @dev Allows to send to the other network some ERC721 token that can be forced into the contract + * without the invocation of the required methods. (e. g. regular transferFrom without a call to onERC721Received) + * @param _token address of the token contract. + * @param _receiver the address that will receive the token on the other network. + * @param _tokenId unique id of the bridged token. + */ + function fixMediatorBalance( + address _token, + address _receiver, + uint256 _tokenId + ) external onlyIfUpgradeabilityOwner { + require(_receiver != address(0) && _receiver != mediatorContractOnOtherSide()); + require(isRegisteredAsNativeToken(_token)); + require(!mediatorOwns(_token, _tokenId)); + require(IERC721(_token).ownerOf(_tokenId) == address(this)); + + _setMediatorOwns(_token, _tokenId, true); + + bytes memory data = abi.encodeWithSelector(this.handleBridgedNFT.selector, _token, _receiver, _tokenId); + + bytes32 _messageId = + bridgeContract().requireToPassMessage(mediatorContractOnOtherSide(), data, requestGasLimit()); + _recordBridgeOperation(false, _messageId, _token, _receiver, _tokenId); + } + + /** + * @dev Executes action on deposit of ERC721 token. + * @param _token address of the ERC721 token contract. + * @param _from address of token sender. + * @param _receiver address of token receiver on the other side. + * @param _tokenId unique id of the bridged token. + */ + function bridgeSpecificActionsOnTokenTransfer( + address _token, + address _from, + address _receiver, + uint256 _tokenId + ) internal override { + require(_receiver != address(0) && _receiver != mediatorContractOnOtherSide()); + + bool isKnownToken = isTokenRegistered(_token); + bool isNativeToken = !isKnownToken || isRegisteredAsNativeToken(_token); + bytes memory data; + + if (!isKnownToken) { + require(IERC721(_token).ownerOf(_tokenId) == address(this)); + + string memory name = _readName(_token); + string memory symbol = _readSymbol(_token); + string memory tokenURI = _readTokenURI(_token, _tokenId); + + require(bytes(name).length > 0 || bytes(symbol).length > 0); + _initToken(_token); + + data = abi.encodeWithSelector( + this.deployAndHandleBridgedNFT.selector, + _token, + name, + symbol, + _receiver, + _tokenId, + tokenURI + ); + } else if (isNativeToken) { + string memory tokenURI = _readTokenURI(_token, _tokenId); + data = abi.encodeWithSelector(this.handleBridgedNFT.selector, _token, _receiver, _tokenId, tokenURI); + } else { + IBurnableMintableERC721Token(_token).burn(_tokenId); + data = abi.encodeWithSelector( + this.handleNativeNFT.selector, + nativeTokenAddress(_token), + _receiver, + _tokenId + ); + } + + if (isNativeToken) { + _setMediatorOwns(_token, _tokenId, true); + } + + bytes32 _messageId = + bridgeContract().requireToPassMessage(mediatorContractOnOtherSide(), data, requestGasLimit()); + + _recordBridgeOperation(!isKnownToken, _messageId, _token, _from, _tokenId); + } + + /** + * @dev Unlock/Mint back the bridged token that was bridged to the other network but failed. + * @param _messageId id of the failed message. + * @param _token address that bridged token contract. + * @param _recipient address that will receive the tokens. + * @param _tokenId unique id of the bridged token. + */ + function executeActionOnFixedTokens( + bytes32 _messageId, + address _token, + address _recipient, + uint256 _tokenId + ) internal override { + bytes32 registrationMessageId = tokenRegistrationMessageId(_token); + if (_messageId == registrationMessageId) { + delete uintStorage[keccak256(abi.encodePacked("dailyLimit", _token))]; + delete uintStorage[keccak256(abi.encodePacked("executionDailyLimit", _token))]; + _setTokenRegistrationMessageId(_token, bytes32(0)); + } + + _releaseToken(_token, registrationMessageId != bytes32(0), _recipient, _tokenId); + } + + /** + * @dev Handles the bridged token that came from the other side of the bridge. + * Checks that the operation is inside the execution limits and invokes the Mint or Unlock accordingly. + * @param _token token contract address on this side of the bridge. + * @param _isNative true, if given token is native to this chain and Unlock should be used. + * @param _recipient address that will receive the tokens. + * @param _tokenId unique id of the bridged token. + */ + function _handleTokens( + address _token, + bool _isNative, + address _recipient, + uint256 _tokenId + ) internal { + require(withinExecutionLimit(_token)); + addTotalExecutedPerDay(_token); + + _releaseToken(_token, _isNative, _recipient, _tokenId); + + emit TokensBridged(_token, _recipient, _tokenId, messageId()); + } + + /** + * Internal function for setting token URI for the bridged token instance. + * @param _token address of the token contract. + * @param _tokenId unique id of the bridged token. + * @param _tokenURI URI for bridged token metadata. + */ + function _setTokenURI( + address _token, + uint256 _tokenId, + string calldata _tokenURI + ) internal { + if (bytes(_tokenURI).length > 0) { + IBurnableMintableERC721Token(_token).setTokenURI(_tokenId, _tokenURI); + } + } + + /** + * Internal function for unlocking/minting some specific ERC721 token. + * @param _token address of the token contract. + * @param _isNative true, if the token contract is native w.r.t to the bridge. + * @param _recipient address of the tokens receiver. + * @param _tokenId unique id of the bridged token. + */ + function _releaseToken( + address _token, + bool _isNative, + address _recipient, + uint256 _tokenId + ) internal { + if (_isNative) { + _setMediatorOwns(_token, _tokenId, false); + IERC721(_token).transferFrom(address(this), _recipient, _tokenId); + } else { + IBurnableMintableERC721Token(_token).mint(_recipient, _tokenId); + } + } + + /** + * @dev Internal function for recording bridge operation for further usage. + * Recorded information is used for fixing failed requests on the other side. + * @param _register true, if native token is bridged for the first time. + * @param _messageId id of the sent message. + * @param _token bridged token address. + * @param _sender address of the tokens sender. + * @param _tokenId unique id of the bridged token. + */ + function _recordBridgeOperation( + bool _register, + bytes32 _messageId, + address _token, + address _sender, + uint256 _tokenId + ) internal { + require(withinLimit(_token)); + addTotalSpentPerDay(_token); + + setMessageToken(_messageId, _token); + setMessageRecipient(_messageId, _sender); + setMessageValue(_messageId, _tokenId); + + if (_register) { + _setTokenRegistrationMessageId(_token, _messageId); + } + + emit TokensBridgingInitiated(_token, _sender, _tokenId, _messageId); + } + + /** + * @dev Internal function for initializing newly bridged token related information. + * @param _token address of the token contract. + */ + function _initToken(address _token) internal { + _setDailyLimit(_token, dailyLimit(address(0))); + _setExecutionDailyLimit(_token, executionDailyLimit(address(0))); + } + + function _transformName(string memory _name) internal pure virtual returns (string memory); +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/ForeignNFTOmnibridge.sol b/contracts/upgradeable_contracts/omnibridge_nft/ForeignNFTOmnibridge.sol new file mode 100644 index 0000000..f003c36 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/ForeignNFTOmnibridge.sol @@ -0,0 +1,19 @@ +pragma solidity 0.7.5; + +import "./BasicNFTOmnibridge.sol"; + +/** + * @title ForeignNFTOmnibridge + * @dev Foreign side implementation for multi-token ERC721 mediator intended to work on top of AMB bridge. + * It is designed to be used as an implementation contract of EternalStorageProxy contract. + */ +contract ForeignNFTOmnibridge is BasicNFTOmnibridge { + /** + * @dev Internal function for transforming the bridged token name. Appends a side-specific suffix. + * @param _name bridged token from the other side. + * @return token name for this side of the bridge. + */ + function _transformName(string memory _name) internal pure override returns (string memory) { + return string(abi.encodePacked(_name, " on Mainnet")); + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/HomeNFTOmnibridge.sol b/contracts/upgradeable_contracts/omnibridge_nft/HomeNFTOmnibridge.sol new file mode 100644 index 0000000..bfdeea9 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/HomeNFTOmnibridge.sol @@ -0,0 +1,19 @@ +pragma solidity 0.7.5; + +import "./BasicNFTOmnibridge.sol"; + +/** + * @title HomeNFTOmnibridge + * @dev Home side implementation for multi-token ERC721 mediator intended to work on top of AMB bridge. + * It is designed to be used as an implementation contract of EternalStorageProxy contract. + */ +contract HomeNFTOmnibridge is BasicNFTOmnibridge { + /** + * @dev Internal function for transforming the bridged token name. Appends a side-specific suffix. + * @param _name bridged token from the other side. + * @return token name for this side of the bridge. + */ + function _transformName(string memory _name) internal pure override returns (string memory) { + return string(abi.encodePacked(_name, " on xDai")); + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/bridged/BridgedTokensRegistry.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/bridged/BridgedTokensRegistry.sol new file mode 100644 index 0000000..772e69f --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/bridged/BridgedTokensRegistry.sol @@ -0,0 +1,41 @@ +pragma solidity 0.7.5; + +import "../../../../upgradeability/EternalStorage.sol"; + +/** + * @title BridgedTokensRegistry + * @dev Functionality for keeping track of registered bridged token pairs. + */ +contract BridgedTokensRegistry is EternalStorage { + event NewTokenRegistered(address indexed nativeToken, address indexed bridgedToken); + + /** + * @dev Retrieves address of the bridged token contract associated with a specific native token contract on the other side. + * @param _nativeToken address of the native token contract on the other side. + * @return address of the deployed bridged token contract. + */ + function bridgedTokenAddress(address _nativeToken) public view returns (address) { + return addressStorage[keccak256(abi.encodePacked("homeTokenAddress", _nativeToken))]; + } + + /** + * @dev Retrieves address of the native token contract associated with a specific bridged token contract. + * @param _bridgedToken address of the created bridged token contract on this side. + * @return address of the native token contract on the other side of the bridge. + */ + function nativeTokenAddress(address _bridgedToken) public view returns (address) { + return addressStorage[keccak256(abi.encodePacked("foreignTokenAddress", _bridgedToken))]; + } + + /** + * @dev Internal function for updating a pair of addresses for the bridged token. + * @param _nativeToken address of the native token contract on the other side. + * @param _bridgedToken address of the created bridged token contract on this side. + */ + function _setTokenAddressPair(address _nativeToken, address _bridgedToken) internal { + addressStorage[keccak256(abi.encodePacked("homeTokenAddress", _nativeToken))] = _bridgedToken; + addressStorage[keccak256(abi.encodePacked("foreignTokenAddress", _bridgedToken))] = _nativeToken; + + emit NewTokenRegistered(_nativeToken, _bridgedToken); + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/bridged/ERC721TokenProxy.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/bridged/ERC721TokenProxy.sol new file mode 100644 index 0000000..cb22150 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/bridged/ERC721TokenProxy.sol @@ -0,0 +1,76 @@ +pragma solidity 0.7.5; + +import "@openzeppelin/contracts/utils/Address.sol"; +import "../../../../upgradeability/Proxy.sol"; +import "../../../../interfaces/IOwnable.sol"; + +/** + * @title ERC721TokenProxy + * @dev Helps to reduces the size of the deployed bytecode for automatically created tokens, by using a proxy contract. + */ +contract ERC721TokenProxy is Proxy { + // storage layout is copied from ERC721BridgeToken.sol + mapping(bytes4 => bool) private _supportedInterfaces; + mapping(address => uint256) private _holderTokens; + + //EnumerableMap.UintToAddressMap private _tokenOwners; + uint256[] private _tokenOwnersEntries; + mapping(bytes32 => uint256) private _tokenOwnersIndexes; + + mapping(uint256 => address) private _tokenApprovals; + mapping(address => mapping(address => bool)) private _operatorApprovals; + string private name; + string private symbol; + mapping(uint256 => string) private _tokenURIs; + string private _baseURI; + address private bridgeContract; + + /** + * @dev Creates an upgradeable token proxy for ERC721BridgeToken.sol, initializes its eternalStorage. + * @param _tokenImage address of the token image used for mirroring all functions. + * @param _name token name. + * @param _symbol token symbol. + * @param _owner address of the owner for this contract. + */ + constructor( + address _tokenImage, + string memory _name, + string memory _symbol, + address _owner + ) { + assembly { + // EIP 1967 + // bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1) + sstore(0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc, _tokenImage) + } + name = _name; + symbol = _symbol; + bridgeContract = _owner; // _owner == HomeOmnibridgeNFT/ForeignOmnibridgeNFT mediator + } + + /** + * @dev Retrieves the implementation contract address, mirrored token image. + * @return impl token image address. + */ + function implementation() public view override returns (address impl) { + assembly { + impl := sload(0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc) + } + } + + /** + * @dev Updates the implementation contract address. + * Only the bridge and bridge owner can call this method. + * @param _implementation address of the new implementation. + */ + function setImplementation(address _implementation) external { + require(msg.sender == bridgeContract || msg.sender == IOwnable(bridgeContract).owner()); + require(_implementation != address(0)); + require(Address.isContract(_implementation)); + assembly { + // EIP 1967 + // bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1) + sstore(0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc, _implementation) + } + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/bridged/TokenImageStorage.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/bridged/TokenImageStorage.sol new file mode 100644 index 0000000..b1021d7 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/bridged/TokenImageStorage.sol @@ -0,0 +1,38 @@ +pragma solidity 0.7.5; + +import "@openzeppelin/contracts/utils/Address.sol"; +import "../../../Ownable.sol"; + +/** + * @title TokenImageStorage + * @dev Storage functionality for working with ERC721 image contract. + */ +contract TokenImageStorage is Ownable { + bytes32 internal constant TOKEN_IMAGE_CONTRACT = 0x20b8ca26cc94f39fab299954184cf3a9bd04f69543e4f454fab299f015b8130f; // keccak256(abi.encodePacked("tokenImageContract")) + + /** + * @dev Updates address of the used ERC721 token image. + * Only owner can call this method. + * @param _image address of the new token image. + */ + function setTokenImage(address _image) external onlyOwner { + _setTokenImage(_image); + } + + /** + * @dev Tells the address of the used ERC721 token image. + * @return address of the used token image. + */ + function tokenImage() public view returns (address) { + return addressStorage[TOKEN_IMAGE_CONTRACT]; + } + + /** + * @dev Internal function for updating address of the used ERC721 token image. + * @param _image address of the new token image. + */ + function _setTokenImage(address _image) internal { + require(Address.isContract(_image)); + addressStorage[TOKEN_IMAGE_CONTRACT] = _image; + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/common/BridgeOperationsStorage.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/common/BridgeOperationsStorage.sol new file mode 100644 index 0000000..6813c7d --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/common/BridgeOperationsStorage.sol @@ -0,0 +1,60 @@ +pragma solidity 0.7.5; + +import "../../../../upgradeability/EternalStorage.sol"; + +/** + * @title BridgeOperationsStorage + * @dev Functionality for storing processed bridged operations. + */ +abstract contract BridgeOperationsStorage is EternalStorage { + /** + * @dev Stores the bridged token of a message sent to the AMB bridge. + * @param _messageId of the message sent to the bridge. + * @param _token bridged token address. + */ + function setMessageToken(bytes32 _messageId, address _token) internal { + addressStorage[keccak256(abi.encodePacked("messageToken", _messageId))] = _token; + } + + /** + * @dev Tells the bridged token address of a message sent to the AMB bridge. + * @return address of a token contract. + */ + function messageToken(bytes32 _messageId) internal view returns (address) { + return addressStorage[keccak256(abi.encodePacked("messageToken", _messageId))]; + } + + /** + * @dev Stores the value of a message sent to the AMB bridge. + * @param _messageId of the message sent to the bridge. + * @param _value amount of tokens bridged. + */ + function setMessageValue(bytes32 _messageId, uint256 _value) internal { + uintStorage[keccak256(abi.encodePacked("messageValue", _messageId))] = _value; + } + + /** + * @dev Tells the amount of tokens of a message sent to the AMB bridge. + * @return value representing amount of tokens. + */ + function messageValue(bytes32 _messageId) internal view returns (uint256) { + return uintStorage[keccak256(abi.encodePacked("messageValue", _messageId))]; + } + + /** + * @dev Stores the receiver of a message sent to the AMB bridge. + * @param _messageId of the message sent to the bridge. + * @param _recipient receiver of the tokens bridged. + */ + function setMessageRecipient(bytes32 _messageId, address _recipient) internal { + addressStorage[keccak256(abi.encodePacked("messageRecipient", _messageId))] = _recipient; + } + + /** + * @dev Tells the receiver of a message sent to the AMB bridge. + * @return address of the receiver. + */ + function messageRecipient(bytes32 _messageId) internal view returns (address) { + return addressStorage[keccak256(abi.encodePacked("messageRecipient", _messageId))]; + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/common/ERC721Relayer.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/common/ERC721Relayer.sol new file mode 100644 index 0000000..71a1cb7 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/common/ERC721Relayer.sol @@ -0,0 +1,100 @@ +pragma solidity 0.7.5; + +import "../../../../interfaces/IBurnableMintableERC721Token.sol"; +import "../../../../libraries/Bytes.sol"; +import "../../../ReentrancyGuard.sol"; +import "../../../BasicAMBMediator.sol"; + +/** + * @title ERC721Relayer + * @dev Functionality for bridging multiple tokens to the other side of the bridge. + */ +abstract contract ERC721Relayer is BasicAMBMediator, ReentrancyGuard { + /** + * @dev ERC721 transfer callback function. + * @param _from address of token sender. + * @param _tokenId id of the transferred token. + * @param _data additional transfer data, can be used for passing alternative receiver address. + */ + function onERC721Received( + address, + address _from, + uint256 _tokenId, + bytes calldata _data + ) external returns (bytes4) { + if (!lock()) { + bridgeSpecificActionsOnTokenTransfer(msg.sender, _from, chooseReceiver(_from, _data), _tokenId); + } + return msg.sig; + } + + /** + * @dev Initiate the bridge operation for some token from msg.sender. + * The user should first call Approve method of the ERC721 token. + * @param token bridged token contract address. + * @param _receiver address that will receive the token on the other network. + * @param _tokenId id of the token to be transferred to the other network. + */ + function relayToken( + IERC721 token, + address _receiver, + uint256 _tokenId + ) external { + _relayToken(token, _receiver, _tokenId); + } + + /** + * @dev Initiate the bridge operation for some token from msg.sender to msg.sender on the other side. + * The user should first call Approve method of the ERC721 token. + * @param token bridged token contract address. + * @param _tokenId id of token to be transferred to the other network. + */ + function relayToken(IERC721 token, uint256 _tokenId) external { + _relayToken(token, msg.sender, _tokenId); + } + + /** + * @dev Validates that the token amount is inside the limits, calls transferFrom to transfer the token to the contract + * and invokes the method to burn/lock the token and unlock/mint the token on the other network. + * The user should first call Approve method of the ERC721 token. + * @param _token bridge token contract address. + * @param _receiver address that will receive the token on the other network. + * @param _tokenId id of the token to be transferred to the other network. + */ + function _relayToken( + IERC721 _token, + address _receiver, + uint256 _tokenId + ) internal { + // This lock is to prevent calling bridgeSpecificActionsOnTokenTransfer twice. + // When transferFrom is called, after the transfer, the ERC721 token might call onERC721Received from this contract + // which will call bridgeSpecificActionsOnTokenTransfer. + require(!lock()); + + setLock(true); + _token.transferFrom(msg.sender, address(this), _tokenId); + setLock(false); + bridgeSpecificActionsOnTokenTransfer(address(_token), msg.sender, _receiver, _tokenId); + } + + /** + * @dev Helper function for alternative receiver feature. Chooses the actual receiver out of sender and passed data. + * @param _from address of the token sender. + * @param _data passed data in the transfer message. + * @return recipient address of the receiver on the other side. + */ + function chooseReceiver(address _from, bytes memory _data) internal pure returns (address recipient) { + recipient = _from; + if (_data.length > 0) { + require(_data.length == 20); + recipient = Bytes.bytesToAddress(_data); + } + } + + function bridgeSpecificActionsOnTokenTransfer( + address _token, + address _from, + address _receiver, + uint256 _tokenId + ) internal virtual; +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/common/FailedMessagesProcessor.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/common/FailedMessagesProcessor.sol new file mode 100644 index 0000000..d0d50b8 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/common/FailedMessagesProcessor.sol @@ -0,0 +1,66 @@ +pragma solidity 0.7.5; + +import "../../../BasicAMBMediator.sol"; +import "./BridgeOperationsStorage.sol"; + +/** + * @title FailedMessagesProcessor + * @dev Functionality for fixing failed bridging operations. + */ +abstract contract FailedMessagesProcessor is BasicAMBMediator, BridgeOperationsStorage { + event FailedMessageFixed(bytes32 indexed messageId, address token, address recipient, uint256 value); + + /** + * @dev Method to be called when a bridged message execution failed. It will generate a new message requesting to + * fix/roll back the transferred assets on the other network. + * @param _messageId id of the message which execution failed. + */ + function requestFailedMessageFix(bytes32 _messageId) external { + require(!bridgeContract().messageCallStatus(_messageId)); + require(bridgeContract().failedMessageReceiver(_messageId) == address(this)); + require(bridgeContract().failedMessageSender(_messageId) == mediatorContractOnOtherSide()); + + bytes4 methodSelector = this.fixFailedMessage.selector; + bytes memory data = abi.encodeWithSelector(methodSelector, _messageId); + bridgeContract().requireToPassMessage(mediatorContractOnOtherSide(), data, requestGasLimit()); + } + + /** + * @dev Handles the request to fix transferred assets which bridged message execution failed on the other network. + * It uses the information stored by passMessage method when the assets were initially transferred + * @param _messageId id of the message which execution failed on the other network. + */ + function fixFailedMessage(bytes32 _messageId) public onlyMediator { + require(!messageFixed(_messageId)); + + address token = messageToken(_messageId); + address recipient = messageRecipient(_messageId); + uint256 value = messageValue(_messageId); + setMessageFixed(_messageId); + executeActionOnFixedTokens(_messageId, token, recipient, value); + emit FailedMessageFixed(_messageId, token, recipient, value); + } + + /** + * @dev Tells if a message sent to the AMB bridge has been fixed. + * @return bool indicating the status of the message. + */ + function messageFixed(bytes32 _messageId) public view returns (bool) { + return boolStorage[keccak256(abi.encodePacked("messageFixed", _messageId))]; + } + + /** + * @dev Sets that the message sent to the AMB bridge has been fixed. + * @param _messageId of the message sent to the bridge. + */ + function setMessageFixed(bytes32 _messageId) internal { + boolStorage[keccak256(abi.encodePacked("messageFixed", _messageId))] = true; + } + + function executeActionOnFixedTokens( + bytes32 _messageId, + address _token, + address _recipient, + uint256 _value + ) internal virtual; +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/common/NFTBridgeLimits.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/common/NFTBridgeLimits.sol new file mode 100644 index 0000000..2b2d696 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/common/NFTBridgeLimits.sol @@ -0,0 +1,145 @@ +pragma solidity 0.7.5; + +import "../../../Ownable.sol"; + +/** + * @title NFTBridgeLimits + * @dev Functionality for keeping track of bridging limits for multiple ERC721 tokens. + */ +abstract contract NFTBridgeLimits is Ownable { + // token == 0x00..00 represents default limits for all newly created tokens + event DailyLimitChanged(address indexed token, uint256 newLimit); + event ExecutionDailyLimitChanged(address indexed token, uint256 newLimit); + + /** + * @dev Checks if specified token was already bridged at least once. + * @param _token address of the token contract. + * @return true, if token was already bridged. + */ + function isTokenRegistered(address _token) public view virtual returns (bool); + + /** + * @dev Retrieves the total spent amount for particular token during specific day. + * @param _token address of the token contract. + * @param _day day number for which spent amount if requested. + * @return amount of tokens sent through the bridge to the other side. + */ + function totalSpentPerDay(address _token, uint256 _day) public view returns (uint256) { + return uintStorage[keccak256(abi.encodePacked("totalSpentPerDay", _token, _day))]; + } + + /** + * @dev Retrieves the total executed amount for particular token during specific day. + * @param _token address of the token contract. + * @param _day day number for which spent amount if requested. + * @return amount of tokens received from the bridge from the other side. + */ + function totalExecutedPerDay(address _token, uint256 _day) public view returns (uint256) { + return uintStorage[keccak256(abi.encodePacked("totalExecutedPerDay", _token, _day))]; + } + + /** + * @dev Retrieves current daily limit for a particular token contract. + * @param _token address of the token contract. + * @return daily limit on tokens that can be sent through the bridge per day. + */ + function dailyLimit(address _token) public view returns (uint256) { + return uintStorage[keccak256(abi.encodePacked("dailyLimit", _token))]; + } + + /** + * @dev Retrieves current execution daily limit for a particular token contract. + * @param _token address of the token contract. + * @return daily limit on tokens that can be received from the bridge on the other side per day. + */ + function executionDailyLimit(address _token) public view returns (uint256) { + return uintStorage[keccak256(abi.encodePacked("executionDailyLimit", _token))]; + } + + /** + * @dev Checks that bridged amount of tokens conforms to the configured limits. + * @param _token address of the token contract. + * @return true, if specified amount can be bridged. + */ + function withinLimit(address _token) public view returns (bool) { + return dailyLimit(address(0)) > 0 && dailyLimit(_token) > totalSpentPerDay(_token, getCurrentDay()); + } + + /** + * @dev Checks that bridged amount of tokens conforms to the configured execution limits. + * @param _token address of the token contract. + * @return true, if specified amount can be processed and executed. + */ + function withinExecutionLimit(address _token) public view returns (bool) { + return + executionDailyLimit(address(0)) > 0 && + executionDailyLimit(_token) > totalExecutedPerDay(_token, getCurrentDay()); + } + + /** + * @dev Returns current day number. + * @return day number. + */ + function getCurrentDay() public view returns (uint256) { + // solhint-disable-next-line not-rely-on-time + return block.timestamp / 1 days; + } + + /** + * @dev Updates daily limit for the particular token. Only owner can call this method. + * @param _token address of the token contract, or address(0) for configuring the efault limit. + * @param _dailyLimit daily allowed amount of bridged tokens, should be greater than maxPerTx. + * 0 value is also allowed, will stop the bridge operations in outgoing direction. + */ + function setDailyLimit(address _token, uint256 _dailyLimit) external onlyOwner { + require(_token == address(0) || isTokenRegistered(_token)); + _setDailyLimit(_token, _dailyLimit); + } + + /** + * @dev Updates execution daily limit for the particular token. Only owner can call this method. + * @param _token address of the token contract, or address(0) for configuring the default limit. + * @param _dailyLimit daily allowed amount of executed tokens, should be greater than executionMaxPerTx. + * 0 value is also allowed, will stop the bridge operations in incoming direction. + */ + function setExecutionDailyLimit(address _token, uint256 _dailyLimit) external onlyOwner { + require(_token == address(0) || isTokenRegistered(_token)); + _setExecutionDailyLimit(_token, _dailyLimit); + } + + /** + * @dev Internal function for adding spent amount for some token. + * @param _token address of the token contract. + */ + function addTotalSpentPerDay(address _token) internal { + uintStorage[keccak256(abi.encodePacked("totalSpentPerDay", _token, getCurrentDay()))] += 1; + } + + /** + * @dev Internal function for adding executed amount for some token. + * @param _token address of the token contract. + */ + function addTotalExecutedPerDay(address _token) internal { + uintStorage[keccak256(abi.encodePacked("totalExecutedPerDay", _token, getCurrentDay()))] += 1; + } + + /** + * @dev Internal function for initializing limits for some token. + * @param _token address of the token contract. + * @param _dailyLimit daily limit for the given token. + */ + function _setDailyLimit(address _token, uint256 _dailyLimit) internal { + uintStorage[keccak256(abi.encodePacked("dailyLimit", _token))] = _dailyLimit; + emit DailyLimitChanged(_token, _dailyLimit); + } + + /** + * @dev Internal function for initializing execution limits for some token. + * @param _token address of the token contract. + * @param _dailyLimit daily execution limit for the given token. + */ + function _setExecutionDailyLimit(address _token, uint256 _dailyLimit) internal { + uintStorage[keccak256(abi.encodePacked("executionDailyLimit", _token))] = _dailyLimit; + emit ExecutionDailyLimitChanged(_token, _dailyLimit); + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/common/NFTOmnibridgeInfo.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/common/NFTOmnibridgeInfo.sol new file mode 100644 index 0000000..300e897 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/common/NFTOmnibridgeInfo.sol @@ -0,0 +1,44 @@ +pragma solidity 0.7.5; + +import "../../../VersionableBridge.sol"; + +/** + * @title NFTOmnibridgeInfo + * @dev Functionality for versioning NFTOmnibridge mediator. + */ +contract NFTOmnibridgeInfo is VersionableBridge { + event TokensBridgingInitiated( + address indexed token, + address indexed sender, + uint256 tokenId, + bytes32 indexed messageId + ); + event TokensBridged(address indexed token, address indexed recipient, uint256 tokenId, bytes32 indexed messageId); + + /** + * @dev Tells the bridge interface version that this contract supports. + * @return major value of the version + * @return minor value of the version + * @return patch value of the version + */ + function getBridgeInterfacesVersion() + external + pure + override + returns ( + uint64 major, + uint64 minor, + uint64 patch + ) + { + return (1, 0, 0); + } + + /** + * @dev Tells the bridge mode that this contract supports. + * @return _data 4 bytes representing the bridge mode + */ + function getBridgeMode() external pure override returns (bytes4 _data) { + return 0xca7fc3dc; // bytes4(keccak256(abi.encodePacked("multi-nft-to-nft-amb"))) + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/native/ERC721Reader.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/native/ERC721Reader.sol new file mode 100644 index 0000000..879c725 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/native/ERC721Reader.sol @@ -0,0 +1,62 @@ +pragma solidity 0.7.5; + +import "@openzeppelin/contracts/utils/Strings.sol"; +import "@openzeppelin/contracts/token/ERC721/IERC721Metadata.sol"; +import "../../../Ownable.sol"; + +/** + * @title ERC721Reader + * @dev Functionality for reading metadata from the ERC721 tokens. + */ +contract ERC721Reader is Ownable { + /** + * @dev Sets the custom metadata for the given ERC721 token. + * Only owner can call this method. + * Useful when original NFT token does not implement neither name() nor symbol() methods. + * @param _token address of the token contract. + * @param _name custom name for the token contract. + * @param _symbol custom symbol for the token contract. + */ + function setCustomMetadata( + address _token, + string calldata _name, + string calldata _symbol + ) external onlyOwner { + stringStorage[keccak256(abi.encodePacked("customName", _token))] = _name; + stringStorage[keccak256(abi.encodePacked("customSymbol", _token))] = _symbol; + } + + /** + * @dev Internal function for reading ERC721 token name. + * Use custom predefined name in case name() function is not implemented. + * @param _token address of the ERC721 token contract. + * @return name for the token. + */ + function _readName(address _token) internal view returns (string memory) { + (bool status, bytes memory data) = _token.staticcall(abi.encodeWithSelector(IERC721Metadata.name.selector)); + return status ? abi.decode(data, (string)) : stringStorage[keccak256(abi.encodePacked("customName", _token))]; + } + + /** + * @dev Internal function for reading ERC721 token symbol. + * Use custom predefined symbol in case symbol() function is not implemented. + * @param _token address of the ERC721 token contract. + * @return symbol for the token. + */ + function _readSymbol(address _token) internal view returns (string memory) { + (bool status, bytes memory data) = _token.staticcall(abi.encodeWithSelector(IERC721Metadata.symbol.selector)); + return status ? abi.decode(data, (string)) : stringStorage[keccak256(abi.encodePacked("customSymbol", _token))]; + } + + /** + * @dev Internal function for reading ERC721 token URI. + * @param _token address of the ERC721 token contract. + * @param _tokenId unique identifier for the token. + * @return token URI for the particular token, if any. + */ + function _readTokenURI(address _token, uint256 _tokenId) internal view returns (string memory) { + (bool status, bytes memory data) = + _token.staticcall(abi.encodeWithSelector(IERC721Metadata.tokenURI.selector, _tokenId)); + return status ? abi.decode(data, (string)) : ""; + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/native/NFTMediatorBalanceStorage.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/native/NFTMediatorBalanceStorage.sol new file mode 100644 index 0000000..31c7abe --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/native/NFTMediatorBalanceStorage.sol @@ -0,0 +1,34 @@ +pragma solidity 0.7.5; + +import "../../../../upgradeability/EternalStorage.sol"; + +/** + * @title NFTMediatorBalanceStorage + * @dev Functionality for storing expected mediator balance for native tokens. + */ +contract NFTMediatorBalanceStorage is EternalStorage { + /** + * @dev Tells if mediator owns the given token. More strict than regular token.ownerOf() check, + * since does not take into account forced tokens. + * @param _token address of token contract. + * @param _tokenId id of the new owned token. + * @return true, if given token is already accounted in the mediator balance. + */ + function mediatorOwns(address _token, uint256 _tokenId) public view returns (bool) { + return boolStorage[keccak256(abi.encodePacked("mediatorOwns", _token, _tokenId))]; + } + + /** + * @dev Updates ownership information for the particular token. + * @param _token address of token contract. + * @param _tokenId id of the new owned token. + * @param _owns true, if new token is received. false, when token is released. + */ + function _setMediatorOwns( + address _token, + uint256 _tokenId, + bool _owns + ) internal { + boolStorage[keccak256(abi.encodePacked("mediatorOwns", _token, _tokenId))] = _owns; + } +} diff --git a/contracts/upgradeable_contracts/omnibridge_nft/components/native/NativeTokensRegistry.sol b/contracts/upgradeable_contracts/omnibridge_nft/components/native/NativeTokensRegistry.sol new file mode 100644 index 0000000..973c041 --- /dev/null +++ b/contracts/upgradeable_contracts/omnibridge_nft/components/native/NativeTokensRegistry.sol @@ -0,0 +1,36 @@ +pragma solidity 0.7.5; + +import "../../../../upgradeability/EternalStorage.sol"; + +/** + * @title NativeTokensRegistry + * @dev Functionality for keeping track of registered native tokens. + */ +contract NativeTokensRegistry is EternalStorage { + /** + * @dev Checks if a given token is a bridged token that is native to this side of the bridge. + * @param _token address of token contract. + * @return message id of the send message. + */ + function isRegisteredAsNativeToken(address _token) public view returns (bool) { + return tokenRegistrationMessageId(_token) != bytes32(0); + } + + /** + * @dev Returns message id where specified token was first seen and deploy on the other side was requested. + * @param _token address of token contract. + * @return message id of the send message. + */ + function tokenRegistrationMessageId(address _token) public view returns (bytes32) { + return bytes32(uintStorage[keccak256(abi.encodePacked("tokenRegistrationMessageId", _token))]); + } + + /** + * @dev Updates message id where specified token was first seen and deploy on the other side was requested. + * @param _token address of token contract. + * @param _messageId message id of the send message. + */ + function _setTokenRegistrationMessageId(address _token, bytes32 _messageId) internal { + uintStorage[keccak256(abi.encodePacked("tokenRegistrationMessageId", _token))] = uint256(_messageId); + } +} diff --git a/deploy.sh b/deploy.sh new file mode 100755 index 0000000..2f464b4 --- /dev/null +++ b/deploy.sh @@ -0,0 +1,31 @@ +#!/bin/bash + +if [ -f /.dockerenv ]; then + # the script is run within the container + echo "Omnibridge contract deployment started" + yarn deploy + if [ -f bridgeDeploymentResults.json ]; then + cat bridgeDeploymentResults.json + echo + fi + exit 0 +fi + +which docker-compose > /dev/null +if [ "$?" == "1" ]; then + echo "docker-compose is needed to use this type of deployment" + exit 1 +fi + +if [ ! -f ./deploy/.env ]; then + echo "The .env file not found in the 'deploy' directory" + exit 3 +fi + +docker-compose images bridge-contracts >/dev/null 2>/dev/null +if [ "$?" == "1" ]; then + echo "Docker image 'bridge-contracts' not found" + exit 2 +fi + +docker-compose run bridge-contracts deploy.sh "$@" diff --git a/deploy/.env.example b/deploy/.env.example new file mode 100644 index 0000000..15e65b8 --- /dev/null +++ b/deploy/.env.example @@ -0,0 +1,38 @@ +BRIDGE_MODE=OMNIBRIDGE_NFT + +DEPLOYMENT_ACCOUNT_PRIVATE_KEY=67..14 +DEPLOYMENT_GAS_LIMIT_EXTRA=0.2 +HOME_DEPLOYMENT_GAS_PRICE=10000000000 +FOREIGN_DEPLOYMENT_GAS_PRICE=10000000000 + +HOME_RPC_URL=https://sokol.poa.network +HOME_BRIDGE_OWNER=0x +HOME_VALIDATORS_OWNER=0x +HOME_UPGRADEABLE_ADMIN=0x +HOME_DAILY_LIMIT=100 + +FOREIGN_RPC_URL=https://sokol.poa.network +FOREIGN_BRIDGE_OWNER=0x +FOREIGN_VALIDATORS_OWNER=0x +FOREIGN_UPGRADEABLE_ADMIN=0x +FOREIGN_DAILY_LIMIT=100 + +# Addresses of the AMB contracts on both sides of the bridge +HOME_AMB_BRIDGE= +FOREIGN_AMB_BRIDGE= + +# Request gas limit to be used when passing a message to the other side of the bridge +HOME_MEDIATOR_REQUEST_GAS_LIMIT= +FOREIGN_MEDIATOR_REQUEST_GAS_LIMIT= + +# Supported explorers: Blockscout, etherscan +HOME_EXPLORER_URL=https://blockscout.com/poa/sokol/api +HOME_EXPLORER_API_KEY= + +# Supported explorers: Blockscout, etherscan +FOREIGN_EXPLORER_URL=https://api-kovan.etherscan.io/api +FOREIGN_EXPLORER_API_KEY= + +HOME_ERC721_TOKEN_IMAGE=0x + +FOREIGN_ERC721_TOKEN_IMAGE=0x diff --git a/deploy/README.md b/deploy/README.md new file mode 100644 index 0000000..009c897 --- /dev/null +++ b/deploy/README.md @@ -0,0 +1,102 @@ +# How to Deploy POA Bridge Contracts + +In order to deploy bridge contracts you must run `yarn` to install all dependencies. For more information, see the [project README](../README.md). + +1. Compile the source contracts. +``` +cd .. +yarn compile +``` + +2. Create a `.env` file. +``` +cd deploy +cp env.example .env +``` + +3. If necessary, deploy and configure a multi-sig wallet contract to manage the bridge contracts after deployment. We have not audited any wallets for security, but have used https://github.com/gnosis/MultiSigWallet/ with success. + +4. Adjust the parameters in the `.env` file depending on the desired bridge mode. See below for comments related to each parameter. + +5. Add funds to the deployment accounts in both the Home and Foreign networks. + +6. Run `yarn deploy`. + +## `OMNIBRIDGE_NFT` Bridge Mode Configuration Example. + +This example of an `.env` file for the `OMNIBRIDGE_NFT` bridge mode includes comments describing each parameter. + +```bash +# The type of bridge. Defines set of contracts to be deployed. +BRIDGE_MODE=OMNIBRIDGE_NFT + +# The private key hex value of the account responsible for contracts +# deployments and initial configuration. The account's balance must contain +# funds from both networks. +DEPLOYMENT_ACCOUNT_PRIVATE_KEY=67..14 +# Extra gas added to the estimated gas of a particular deployment/configuration transaction +# E.g. if estimated gas returns 100000 and the parameter is 0.2, +# the transaction gas limit will be (100000 + 100000 * 0.2) = 120000 +DEPLOYMENT_GAS_LIMIT_EXTRA=0.2 +# The "gasPrice" parameter set in every deployment/configuration transaction on +# Home network (in Wei). +HOME_DEPLOYMENT_GAS_PRICE=10000000000 +# The "gasPrice" parameter set in every deployment/configuration transaction on +# Foreign network (in Wei). +FOREIGN_DEPLOYMENT_GAS_PRICE=10000000000 + +# The RPC channel to a Home node able to handle deployment/configuration +# transactions. +HOME_RPC_URL=https://core.poa.network +# Address on Home network with permissions to change parameters of the bridge contract. +# For extra security we recommended using a multi-sig wallet contract address here. +HOME_BRIDGE_OWNER=0x +# Address on Home network with permissions to upgrade the bridge contract +HOME_UPGRADEABLE_ADMIN=0x +# The default daily limit in number of tokens. As soon as this limit is exceeded, any +# transaction which requests to relay assets will fail. +HOME_DAILY_LIMIT=100 + +# The RPC channel to a Foreign node able to handle deployment/configuration +# transactions. +FOREIGN_RPC_URL=https://mainnet.infura.io +# Address on Foreign network with permissions to change parameters of the bridge contract. +# For extra security we recommended using a multi-sig wallet contract address here. +FOREIGN_BRIDGE_OWNER=0x +# Address on Foreign network with permissions to upgrade the bridge contract and the +# bridge validator contract. +FOREIGN_UPGRADEABLE_ADMIN=0x +# The default daily limit in number of tokens. As soon as this limit is exceeded, any +# transaction requesting to relay assets will fail. +FOREIGN_DAILY_LIMIT=100 + +# The address of the existing AMB bridge in the Home network that will be used to pass messages +# to the Foreign network. +HOME_AMB_BRIDGE=0x +# The address of the existing AMB bridge in the Foreign network that will be used to pass messages +# to the Home network. +FOREIGN_AMB_BRIDGE=0x +# The gas limit that will be used in the execution of the message passed to the mediator contract +# in the Foreign network. +HOME_MEDIATOR_REQUEST_GAS_LIMIT=2000000 +# The gas limit that will be used in the execution of the message passed to the mediator contract +# in the Home network. +FOREIGN_MEDIATOR_REQUEST_GAS_LIMIT=2000000 + +# address of an already deployed ERC721BridgeToken contract that will be used as an implementation for all bridged tokens on the Home side +# leave empty, if you want to deploy a new ERC721BridgeToken for further usage +HOME_ERC721_TOKEN_IMAGE= + +# address of an already deployed ERC721BridgeToken contract that will be used as an implementation for all bridged tokens on the Foreign side +# leave empty, if you want to deploy a new ERC721BridgeToken for further usage +FOREIGN_ERC721_TOKEN_IMAGE= + +# The api url of an explorer to verify all the deployed contracts in Home network. Supported explorers: Blockscout, etherscan +#HOME_EXPLORER_URL=https://blockscout.com/poa/core/api +# The api key of the explorer api, if required, used to verify all the deployed contracts in Home network. +#HOME_EXPLORER_API_KEY= +# The api url of an explorer to verify all the deployed contracts in Foreign network. Supported explorers: Blockscout, etherscan +#FOREIGN_EXPLORER_URL=https://api.etherscan.io/api +# The api key of the explorer api, if required, used to verify all the deployed contracts in Foreign network. +#FOREIGN_EXPLORER_API_KEY= +``` diff --git a/deploy/deploy.js b/deploy/deploy.js new file mode 100644 index 0000000..456608e --- /dev/null +++ b/deploy/deploy.js @@ -0,0 +1,61 @@ +const fs = require('fs') +const path = require('path') +const env = require('./src/loadEnv') + +const { BRIDGE_MODE } = env + +const deployResultsPath = path.join(__dirname, './bridgeDeploymentResults.json') + +function writeDeploymentResults(data) { + fs.writeFileSync(deployResultsPath, JSON.stringify(data, null, 4)) + console.log('Contracts Deployment have been saved to `bridgeDeploymentResults.json`') +} + +async function deployOmnibridgeNFT() { + const preDeploy = require('./src/omnibridge_nft/preDeploy') + const deployHome = require('./src/omnibridge_nft/home') + const deployForeign = require('./src/omnibridge_nft/foreign') + const initializeHome = require('./src/omnibridge_nft/initializeHome') + const initializeForeign = require('./src/omnibridge_nft/initializeForeign') + await preDeploy() + const { homeBridgeMediator, tokenImage: homeTokenImage } = await deployHome() + const { foreignBridgeMediator, tokenImage: foreignTokenImage } = await deployForeign() + + await initializeHome({ + homeBridge: homeBridgeMediator.address, + foreignBridge: foreignBridgeMediator.address, + tokenImage: homeTokenImage.address, + }) + + await initializeForeign({ + foreignBridge: foreignBridgeMediator.address, + homeBridge: homeBridgeMediator.address, + tokenImage: foreignTokenImage.address, + }) + + console.log('\nDeployment has been completed.\n\n') + console.log(`[ Home ] Bridge Mediator: ${homeBridgeMediator.address}`) + console.log(`[ Foreign ] Bridge Mediator: ${foreignBridgeMediator.address}`) + writeDeploymentResults({ + homeBridge: { + homeBridgeMediator, + }, + foreignBridge: { + foreignBridgeMediator, + }, + }) +} + +async function main() { + console.log(`Bridge mode: ${BRIDGE_MODE}`) + switch (BRIDGE_MODE) { + case 'OMNIBRIDGE_NFT': + await deployOmnibridgeNFT() + break + default: + console.log(BRIDGE_MODE) + throw new Error('Please specify BRIDGE_MODE: OMNIBRIDGE_NFT') + } +} + +main().catch((e) => console.log('Error:', e)) diff --git a/deploy/src/constants.js b/deploy/src/constants.js new file mode 100644 index 0000000..0cba4aa --- /dev/null +++ b/deploy/src/constants.js @@ -0,0 +1,15 @@ +const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000' + +const EXPLORER_TYPES = { + ETHERSCAN: 'etherscan', + BLOCKSCOUT: 'blockscout', +} +const REQUEST_STATUS = { + OK: 'OK', +} + +module.exports = { + ZERO_ADDRESS, + EXPLORER_TYPES, + REQUEST_STATUS, +} diff --git a/deploy/src/deploymentUtils.js b/deploy/src/deploymentUtils.js new file mode 100644 index 0000000..b7c8407 --- /dev/null +++ b/deploy/src/deploymentUtils.js @@ -0,0 +1,176 @@ +/* eslint-disable no-param-reassign */ +const BigNumber = require('bignumber.js') +const Web3Utils = require('web3').utils +const assert = require('assert') +const { + web3Home, + web3Foreign, + deploymentAddress, + GAS_LIMIT_EXTRA, + HOME_DEPLOYMENT_GAS_PRICE, + FOREIGN_DEPLOYMENT_GAS_PRICE, + HOME_EXPLORER_URL, + FOREIGN_EXPLORER_URL, + HOME_EXPLORER_API_KEY, + FOREIGN_EXPLORER_API_KEY, + DEPLOYMENT_ACCOUNT_PRIVATE_KEY, +} = require('./web3') +const verifier = require('./utils/verifier') + +async function deployContract(contractJson, args, { network, nonce }) { + let web3 + let apiUrl + let apiKey + if (network === 'foreign') { + web3 = web3Foreign + apiUrl = FOREIGN_EXPLORER_URL + apiKey = FOREIGN_EXPLORER_API_KEY + } else { + web3 = web3Home + apiUrl = HOME_EXPLORER_URL + apiKey = HOME_EXPLORER_API_KEY + } + const instance = new web3.eth.Contract(contractJson.abi) + const result = instance + .deploy({ + data: contractJson.bytecode, + arguments: args, + }) + .encodeABI() + const receipt = await sendTx(network, { + data: result, + nonce, + to: null, + }) + instance.options.address = receipt.contractAddress + instance.deployedBlockNumber = receipt.blockNumber + + if (apiUrl) { + let constructorArguments + if (args.length) { + constructorArguments = result.substring(contractJson.bytecode.length) + } + await verifier({ artifact: contractJson, constructorArguments, address: receipt.contractAddress, apiUrl, apiKey }) + } + + return instance +} + +function sendTx(network, options) { + return (network === 'foreign' ? sendRawTxForeign : sendRawTxHome)(options) +} + +async function sendRawTxHome(options) { + return sendRawTx({ + ...options, + gasPrice: HOME_DEPLOYMENT_GAS_PRICE, + web3: web3Home, + }) +} + +async function sendRawTxForeign(options) { + return sendRawTx({ + ...options, + gasPrice: FOREIGN_DEPLOYMENT_GAS_PRICE, + web3: web3Foreign, + }) +} + +async function sendRawTx({ data, nonce, to, web3, gasPrice, value }) { + try { + const estimatedGas = new BigNumber( + await web3.eth.estimateGas({ + from: deploymentAddress, + value, + to, + data, + }) + ) + + const blockData = await web3.eth.getBlock('latest') + const blockGasLimit = new BigNumber(blockData.gasLimit) + if (estimatedGas.isGreaterThan(blockGasLimit)) { + throw new Error( + `estimated gas greater (${estimatedGas.toString()}) than the block gas limit (${blockGasLimit.toString()})` + ) + } + let gas = estimatedGas.multipliedBy(new BigNumber(1 + GAS_LIMIT_EXTRA)) + if (gas.isGreaterThan(blockGasLimit)) { + gas = blockGasLimit + } else { + gas = gas.toFixed(0) + } + + const rawTx = { + nonce, + gasPrice: Web3Utils.toHex(gasPrice), + gasLimit: Web3Utils.toHex(gas), + to, + data, + value, + } + + const signedTx = await new Promise((res) => + web3.eth.accounts.signTransaction(rawTx, DEPLOYMENT_ACCOUNT_PRIVATE_KEY, (err, signedTx) => res(signedTx)) + ) + const receipt = await web3.eth + .sendSignedTransaction(signedTx.rawTransaction) + .once('transactionHash', (txHash) => console.log('pending txHash', txHash)) + .on('error', (e) => { + throw e + }) + assert.ok(receipt.status, 'Transaction Failed') + return receipt + } catch (e) { + console.error(e) + } + return null +} + +async function upgradeProxy({ proxy, implementationAddress, version, nonce, network }) { + await sendTx(network, { + data: proxy.methods.upgradeTo(version, implementationAddress).encodeABI(), + nonce, + to: proxy.options.address, + }) +} + +async function transferProxyOwnership({ proxy, newOwner, nonce, network }) { + await sendTx(network, { + data: proxy.methods.transferProxyOwnership(newOwner).encodeABI(), + nonce, + to: proxy.options.address, + }) +} + +async function transferOwnership({ contract, newOwner, nonce, network }) { + await sendTx(network, { + data: contract.methods.transferOwnership(newOwner).encodeABI(), + nonce, + to: contract.options.address, + }) +} + +async function setBridgeContract({ contract, bridgeAddress, nonce, network }) { + await sendTx(network, { + data: contract.methods.setBridgeContract(bridgeAddress).encodeABI(), + nonce, + to: contract.options.address, + }) +} + +async function isContract(web3, address) { + const code = await web3.eth.getCode(address) + return code !== '0x' && code !== '0x0' +} + +module.exports = { + deployContract, + sendRawTxHome, + sendRawTxForeign, + upgradeProxy, + transferProxyOwnership, + transferOwnership, + setBridgeContract, + isContract, +} diff --git a/deploy/src/loadContracts.js b/deploy/src/loadContracts.js new file mode 100644 index 0000000..19e177f --- /dev/null +++ b/deploy/src/loadContracts.js @@ -0,0 +1,6 @@ +module.exports = { + EternalStorageProxy: require(`../../build/contracts/EternalStorageProxy.json`), + HomeNFTOmnibridge: require(`../../build/contracts/HomeNFTOmnibridge.json`), + ForeignNFTOmnibridge: require(`../../build/contracts/ForeignNFTOmnibridge.json`), + ERC721BridgeToken: require(`../../build/contracts/ERC721BridgeToken.json`), +} diff --git a/deploy/src/loadEnv.js b/deploy/src/loadEnv.js new file mode 100644 index 0000000..35f2f20 --- /dev/null +++ b/deploy/src/loadEnv.js @@ -0,0 +1,57 @@ +const path = require('path') +require('dotenv').config({ + path: path.join(__dirname, '..', '.env'), +}) +const { isAddress, toBN } = require('web3').utils +const envalid = require('envalid') + +const bigNumValidator = envalid.makeValidator((x) => toBN(x)) +const validateAddress = (address) => { + if (isAddress(address)) { + return address + } + + throw new Error(`Invalid address: ${address}`) +} +const validateOptionalAddress = (address) => (address ? validateAddress(address) : '') +const addressValidator = envalid.makeValidator(validateAddress) +const optionalAddressValidator = envalid.makeValidator(validateOptionalAddress) + +const { BRIDGE_MODE } = process.env + +// Types validations + +let validations = { + DEPLOYMENT_ACCOUNT_PRIVATE_KEY: envalid.str(), + DEPLOYMENT_GAS_LIMIT_EXTRA: envalid.num(), + HOME_DEPLOYMENT_GAS_PRICE: bigNumValidator(), + FOREIGN_DEPLOYMENT_GAS_PRICE: bigNumValidator(), + HOME_RPC_URL: envalid.str(), + HOME_BRIDGE_OWNER: addressValidator(), + HOME_UPGRADEABLE_ADMIN: addressValidator(), + FOREIGN_RPC_URL: envalid.str(), + FOREIGN_BRIDGE_OWNER: addressValidator(), + FOREIGN_UPGRADEABLE_ADMIN: addressValidator(), +} + +switch (BRIDGE_MODE) { + case 'OMNIBRIDGE_NFT': + validations = { + ...validations, + HOME_AMB_BRIDGE: addressValidator(), + FOREIGN_AMB_BRIDGE: addressValidator(), + HOME_MEDIATOR_REQUEST_GAS_LIMIT: bigNumValidator(), + FOREIGN_MEDIATOR_REQUEST_GAS_LIMIT: bigNumValidator(), + FOREIGN_DAILY_LIMIT: bigNumValidator(), + HOME_DAILY_LIMIT: bigNumValidator(), + HOME_ERC721_TOKEN_IMAGE: optionalAddressValidator(), + FOREIGN_ERC721_TOKEN_IMAGE: optionalAddressValidator(), + } + break + default: + throw new Error(`Invalid BRIDGE_MODE=${BRIDGE_MODE}. Only OMNIBRIDGE_NFT is supported.`) +} + +const env = envalid.cleanEnv(process.env, validations) + +module.exports = env diff --git a/deploy/src/omnibridge_nft/foreign.js b/deploy/src/omnibridge_nft/foreign.js new file mode 100644 index 0000000..640945a --- /dev/null +++ b/deploy/src/omnibridge_nft/foreign.js @@ -0,0 +1,53 @@ +const { web3Foreign, deploymentAddress } = require('../web3') +const { deployContract, upgradeProxy } = require('../deploymentUtils') +const { EternalStorageProxy, ForeignNFTOmnibridge, ERC721BridgeToken } = require('../loadContracts') +const { FOREIGN_ERC721_TOKEN_IMAGE } = require('../loadEnv') +const { ZERO_ADDRESS } = require('../constants') + +async function deployForeign() { + let nonce = await web3Foreign.eth.getTransactionCount(deploymentAddress) + + console.log('\n[Foreign] Deploying Bridge Mediator storage\n') + const foreignBridgeStorage = await deployContract(EternalStorageProxy, [], { + network: 'foreign', + nonce: nonce++, + }) + console.log('[Foreign] Bridge Mediator Storage: ', foreignBridgeStorage.options.address) + + let tokenImage = FOREIGN_ERC721_TOKEN_IMAGE + if (!tokenImage) { + console.log('\n[Foreign] Deploying new token image') + const image = await deployContract(ERC721BridgeToken, ['', '', ZERO_ADDRESS], { + network: 'foreign', + nonce: nonce++, + }) + tokenImage = image.options.address + console.log('\n[Foreign] New token image has been deployed: ', tokenImage) + } else { + console.log('\n[Foreign] Using existing token image: ', tokenImage) + } + + console.log('\n[Foreign] Deploying Bridge Mediator implementation\n') + const foreignBridgeImplementation = await deployContract(ForeignNFTOmnibridge, [], { + network: 'foreign', + nonce: nonce++, + }) + console.log('[Foreign] Bridge Mediator Implementation: ', foreignBridgeImplementation.options.address) + + console.log('\n[Foreign] Hooking up Mediator storage to Mediator implementation') + await upgradeProxy({ + network: 'foreign', + proxy: foreignBridgeStorage, + implementationAddress: foreignBridgeImplementation.options.address, + version: '1', + nonce: nonce++, + }) + + console.log('\nForeign part of OMNIBRIDGE_NFT has been deployed\n') + return { + foreignBridgeMediator: { address: foreignBridgeStorage.options.address }, + tokenImage: { address: tokenImage }, + } +} + +module.exports = deployForeign diff --git a/deploy/src/omnibridge_nft/home.js b/deploy/src/omnibridge_nft/home.js new file mode 100644 index 0000000..b2bab51 --- /dev/null +++ b/deploy/src/omnibridge_nft/home.js @@ -0,0 +1,49 @@ +const { web3Home, deploymentAddress } = require('../web3') +const { deployContract, upgradeProxy } = require('../deploymentUtils') +const { EternalStorageProxy, HomeNFTOmnibridge, ERC721BridgeToken } = require('../loadContracts') +const { HOME_ERC721_TOKEN_IMAGE } = require('../loadEnv') +const { ZERO_ADDRESS } = require('../constants') + +async function deployHome() { + let nonce = await web3Home.eth.getTransactionCount(deploymentAddress) + + console.log('\n[Home] Deploying Bridge Mediator storage\n') + const homeBridgeStorage = await deployContract(EternalStorageProxy, [], { + nonce: nonce++, + }) + console.log('[Home] Bridge Mediator Storage: ', homeBridgeStorage.options.address) + + let tokenImage = HOME_ERC721_TOKEN_IMAGE + if (!tokenImage) { + console.log('\n[Home] Deploying new token image') + const image = await deployContract(ERC721BridgeToken, ['', '', ZERO_ADDRESS], { + nonce: nonce++, + }) + tokenImage = image.options.address + console.log('\n[Home] New token image has been deployed: ', tokenImage) + } else { + console.log('\n[Home] Using existing token image: ', tokenImage) + } + + console.log('\n[Home] Deploying Bridge Mediator implementation\n') + const homeBridgeImplementation = await deployContract(HomeNFTOmnibridge, [], { + nonce: nonce++, + }) + console.log('[Home] Bridge Mediator Implementation: ', homeBridgeImplementation.options.address) + + console.log('\n[Home] Hooking up Mediator storage to Mediator implementation') + await upgradeProxy({ + proxy: homeBridgeStorage, + implementationAddress: homeBridgeImplementation.options.address, + version: '1', + nonce: nonce++, + }) + + console.log('\nHome part of OMNIBRIDGE_NFT has been deployed\n') + return { + homeBridgeMediator: { address: homeBridgeStorage.options.address }, + tokenImage: { address: tokenImage }, + } +} + +module.exports = deployHome diff --git a/deploy/src/omnibridge_nft/initializeForeign.js b/deploy/src/omnibridge_nft/initializeForeign.js new file mode 100644 index 0000000..7f01983 --- /dev/null +++ b/deploy/src/omnibridge_nft/initializeForeign.js @@ -0,0 +1,68 @@ +const { fromWei } = require('web3').utils +const { web3Foreign, deploymentAddress } = require('../web3') +const { EternalStorageProxy, ForeignNFTOmnibridge } = require('../loadContracts') +const { sendRawTxForeign, transferProxyOwnership } = require('../deploymentUtils') + +const { + HOME_DAILY_LIMIT, + FOREIGN_DAILY_LIMIT, + FOREIGN_BRIDGE_OWNER, + FOREIGN_UPGRADEABLE_ADMIN, + FOREIGN_AMB_BRIDGE, + FOREIGN_MEDIATOR_REQUEST_GAS_LIMIT, +} = require('../loadEnv') + +async function initializeMediator({ + contract, + params: { bridgeContract, mediatorContract, dailyLimit, executionDailyLimit, requestGasLimit, owner, tokenImage }, +}) { + console.log(` + AMB contract: ${bridgeContract}, + Mediator contract: ${mediatorContract}, + DAILY_LIMIT : ${dailyLimit} which is ${fromWei(dailyLimit)} in eth, + EXECUTION_DAILY_LIMIT : ${executionDailyLimit} which is ${fromWei(executionDailyLimit)} in eth, + MEDIATOR_REQUEST_GAS_LIMIT : ${requestGasLimit}, + OWNER: ${owner}, + TOKEN_IMAGE: ${tokenImage}`) + + return contract.methods + .initialize(bridgeContract, mediatorContract, dailyLimit, executionDailyLimit, requestGasLimit, owner, tokenImage) + .encodeABI() +} + +async function initialize({ homeBridge, foreignBridge, tokenImage }) { + let nonce = await web3Foreign.eth.getTransactionCount(deploymentAddress) + const contract = new web3Foreign.eth.Contract(ForeignNFTOmnibridge.abi, foreignBridge) + + console.log('\n[Foreign] Initializing Bridge Mediator with following parameters:') + + const initializeData = await initializeMediator({ + contract, + params: { + bridgeContract: FOREIGN_AMB_BRIDGE, + mediatorContract: homeBridge, + requestGasLimit: FOREIGN_MEDIATOR_REQUEST_GAS_LIMIT, + owner: FOREIGN_BRIDGE_OWNER, + dailyLimit: FOREIGN_DAILY_LIMIT, + executionDailyLimit: HOME_DAILY_LIMIT, + tokenImage, + }, + }) + + await sendRawTxForeign({ + data: initializeData, + nonce: nonce++, + to: foreignBridge, + }) + + console.log('\n[Foreign] Transferring bridge mediator proxy ownership to upgradeability admin') + const proxy = new web3Foreign.eth.Contract(EternalStorageProxy.abi, foreignBridge) + await transferProxyOwnership({ + network: 'foreign', + proxy, + newOwner: FOREIGN_UPGRADEABLE_ADMIN, + nonce: nonce++, + }) +} + +module.exports = initialize diff --git a/deploy/src/omnibridge_nft/initializeHome.js b/deploy/src/omnibridge_nft/initializeHome.js new file mode 100644 index 0000000..9ea02bf --- /dev/null +++ b/deploy/src/omnibridge_nft/initializeHome.js @@ -0,0 +1,67 @@ +const { fromWei } = require('web3').utils +const { web3Home, deploymentAddress } = require('../web3') +const { EternalStorageProxy, HomeNFTOmnibridge } = require('../loadContracts') +const { sendRawTxHome, transferProxyOwnership } = require('../deploymentUtils') + +const { + HOME_DAILY_LIMIT, + FOREIGN_DAILY_LIMIT, + HOME_AMB_BRIDGE, + HOME_MEDIATOR_REQUEST_GAS_LIMIT, + HOME_BRIDGE_OWNER, + HOME_UPGRADEABLE_ADMIN, +} = require('../loadEnv') + +async function initializeMediator({ + contract, + params: { bridgeContract, mediatorContract, dailyLimit, executionDailyLimit, requestGasLimit, owner, tokenImage }, +}) { + console.log(` + AMB contract: ${bridgeContract}, + Mediator contract: ${mediatorContract}, + DAILY_LIMIT : ${dailyLimit} which is ${fromWei(dailyLimit)} in eth, + EXECUTION_DAILY_LIMIT : ${executionDailyLimit} which is ${fromWei(executionDailyLimit)} in eth, + MEDIATOR_REQUEST_GAS_LIMIT : ${requestGasLimit}, + OWNER: ${owner}, + TOKEN_IMAGE: ${tokenImage}`) + + return contract.methods + .initialize(bridgeContract, mediatorContract, dailyLimit, executionDailyLimit, requestGasLimit, owner, tokenImage) + .encodeABI() +} + +async function initialize({ homeBridge, foreignBridge, tokenImage }) { + let nonce = await web3Home.eth.getTransactionCount(deploymentAddress) + const mediatorContract = new web3Home.eth.Contract(HomeNFTOmnibridge.abi, homeBridge) + + console.log('\n[Home] Initializing Bridge Mediator with following parameters:') + + const initializeMediatorData = await initializeMediator({ + contract: mediatorContract, + params: { + bridgeContract: HOME_AMB_BRIDGE, + mediatorContract: foreignBridge, + requestGasLimit: HOME_MEDIATOR_REQUEST_GAS_LIMIT, + owner: HOME_BRIDGE_OWNER, + dailyLimit: HOME_DAILY_LIMIT, + executionDailyLimit: FOREIGN_DAILY_LIMIT, + tokenImage, + }, + }) + + await sendRawTxHome({ + data: initializeMediatorData, + nonce: nonce++, + to: homeBridge, + }) + + console.log('\n[Home] Transferring bridge mediator proxy ownership to upgradeability admin') + const mediatorProxy = new web3Home.eth.Contract(EternalStorageProxy.abi, homeBridge) + await transferProxyOwnership({ + proxy: mediatorProxy, + newOwner: HOME_UPGRADEABLE_ADMIN, + nonce: nonce++, + }) +} + +module.exports = initialize diff --git a/deploy/src/omnibridge_nft/preDeploy.js b/deploy/src/omnibridge_nft/preDeploy.js new file mode 100644 index 0000000..4c7983e --- /dev/null +++ b/deploy/src/omnibridge_nft/preDeploy.js @@ -0,0 +1,34 @@ +const { web3Home, web3Foreign } = require('../web3') +const { + HOME_AMB_BRIDGE, + FOREIGN_AMB_BRIDGE, + HOME_ERC721_TOKEN_IMAGE, + FOREIGN_ERC721_TOKEN_IMAGE, +} = require('../loadEnv') +const { isContract } = require('../deploymentUtils') + +async function preDeploy() { + const isHomeAMBAContract = await isContract(web3Home, HOME_AMB_BRIDGE) + if (!isHomeAMBAContract) { + throw new Error(`HOME_AMB_BRIDGE should be a contract address`) + } + + const isForeignAMBAContract = await isContract(web3Foreign, FOREIGN_AMB_BRIDGE) + if (!isForeignAMBAContract) { + throw new Error(`FOREIGN_AMB_BRIDGE should be a contract address`) + } + + if (HOME_ERC721_TOKEN_IMAGE) { + if (!(await isContract(web3Home, HOME_ERC721_TOKEN_IMAGE))) { + throw new Error(`HOME_ERC721_TOKEN_IMAGE should be a contract address`) + } + } + + if (FOREIGN_ERC721_TOKEN_IMAGE) { + if (!(await isContract(web3Foreign, FOREIGN_ERC721_TOKEN_IMAGE))) { + throw new Error(`FOREIGN_ERC721_TOKEN_IMAGE should be a contract address`) + } + } +} + +module.exports = preDeploy diff --git a/deploy/src/utils/verifier.js b/deploy/src/utils/verifier.js new file mode 100644 index 0000000..10e9fb3 --- /dev/null +++ b/deploy/src/utils/verifier.js @@ -0,0 +1,114 @@ +const axios = require('axios') +const querystring = require('querystring') +const fs = require('fs') +const path = require('path') +const promiseRetry = require('promise-retry') +const { EXPLORER_TYPES, REQUEST_STATUS } = require('../constants') + +const basePath = path.join(__dirname, '..', '..', '..', 'flats') + +const flat = async (contractPath) => { + const pathArray = contractPath.split('/') + const name = pathArray[pathArray.length - 1] + + const flatName = name.replace('.sol', '_flat.sol') + + const filePath = path.join(basePath, flatName) + + return fs.readFileSync(filePath).toString() +} + +const sendRequest = (url, queries) => axios.post(url, querystring.stringify(queries)) + +const sendVerifyRequestEtherscan = async (contractPath, options) => { + const contract = await flat(contractPath) + const postQueries = { + apikey: options.apiKey, + module: 'contract', + action: 'verifysourcecode', + contractaddress: options.address, + sourceCode: contract, + codeformat: 'solidity-single-file', + contractname: options.contractName, + compilerversion: options.compiler, + optimizationUsed: options.optimizationUsed ? 1 : 0, + runs: options.runs, + constructorArguements: options.constructorArguments, + evmversion: options.evmVersion, + } + + return sendRequest(options.apiUrl, postQueries) +} + +const sendVerifyRequestBlockscout = async (contractPath, options) => { + const contract = await flat(contractPath) + const postQueries = { + module: 'contract', + action: 'verify', + addressHash: options.address, + contractSourceCode: contract, + name: options.contractName, + compilerVersion: options.compiler, + optimization: options.optimizationUsed, + optimizationRuns: options.runs, + constructorArguments: options.constructorArguments, + evmVersion: options.evmVersion, + } + + return sendRequest(options.apiUrl, postQueries) +} + +const getExplorerType = (apiUrl) => + apiUrl && apiUrl.includes('etherscan') ? EXPLORER_TYPES.ETHERSCAN : EXPLORER_TYPES.BLOCKSCOUT + +const verifyContract = async (contract, params, type) => { + try { + const verify = type === EXPLORER_TYPES.ETHERSCAN ? sendVerifyRequestEtherscan : sendVerifyRequestBlockscout + const result = await verify(contract, params) + if (result.data.message === REQUEST_STATUS.OK) { + console.log(`${params.address} verified in ${type}`) + return true + } + return false + } catch (e) { + return false + } +} + +const verifier = async ({ artifact, address, constructorArguments, apiUrl, apiKey }) => { + console.log(`verifying contract ${address}`) + const type = getExplorerType(apiUrl) + + let metadata + try { + metadata = JSON.parse(artifact.metadata) + } catch (e) { + console.log('Error on decoding values from artifact') + } + + const contract = artifact.sourcePath + const params = { + address, + contractName: artifact.contractName, + constructorArguments, + compiler: `v${artifact.compiler.version.replace('.Emscripten.clang', '')}`, + optimizationUsed: metadata.settings.optimizer.enabled, + runs: metadata.settings.optimizer.runs, + evmVersion: metadata.settings.evmVersion, + apiUrl, + apiKey, + } + + try { + await promiseRetry(async (retry) => { + const verified = await verifyContract(contract, params, type) + if (!verified) { + retry() + } + }) + } catch (e) { + console.log(`It was not possible to verify ${address} in ${type}`) + } +} + +module.exports = verifier diff --git a/deploy/src/web3.js b/deploy/src/web3.js new file mode 100644 index 0000000..a539179 --- /dev/null +++ b/deploy/src/web3.js @@ -0,0 +1,39 @@ +const Web3 = require('web3') +const env = require('./loadEnv') + +const { + HOME_RPC_URL, + FOREIGN_RPC_URL, + DEPLOYMENT_ACCOUNT_PRIVATE_KEY, + HOME_EXPLORER_URL, + FOREIGN_EXPLORER_URL, + HOME_EXPLORER_API_KEY, + FOREIGN_EXPLORER_API_KEY, +} = env + +const homeProvider = new Web3.providers.HttpProvider(HOME_RPC_URL) +const web3Home = new Web3(homeProvider) + +const foreignProvider = new Web3.providers.HttpProvider(FOREIGN_RPC_URL) +const web3Foreign = new Web3(foreignProvider) + +const { HOME_DEPLOYMENT_GAS_PRICE, FOREIGN_DEPLOYMENT_GAS_PRICE } = env +const GAS_LIMIT_EXTRA = env.DEPLOYMENT_GAS_LIMIT_EXTRA + +const deploymentAddress = web3Home.eth.accounts.privateKeyToAccount(DEPLOYMENT_ACCOUNT_PRIVATE_KEY).address + +module.exports = { + web3Home, + web3Foreign, + deploymentAddress, + HOME_RPC_URL, + FOREIGN_RPC_URL, + GAS_LIMIT_EXTRA, + HOME_DEPLOYMENT_GAS_PRICE, + FOREIGN_DEPLOYMENT_GAS_PRICE, + HOME_EXPLORER_URL, + FOREIGN_EXPLORER_URL, + HOME_EXPLORER_API_KEY, + FOREIGN_EXPLORER_API_KEY, + DEPLOYMENT_ACCOUNT_PRIVATE_KEY, +} diff --git a/docker-compose.yml b/docker-compose.yml new file mode 100644 index 0000000..c394170 --- /dev/null +++ b/docker-compose.yml @@ -0,0 +1,12 @@ +version: "3.3" +services: + bridge-contracts: + build: . + command: "true" + env_file: ./deploy/.env + dev: + build: + context: . + dockerfile: Dockerfile.dev + command: "true" + env_file: ./deploy/.env diff --git a/flatten.sh b/flatten.sh new file mode 100755 index 0000000..d127631 --- /dev/null +++ b/flatten.sh @@ -0,0 +1,26 @@ +#!/usr/bin/env bash + +if [ -d flats ]; then + rm -rf flats +fi + +mkdir flats + +FLATTENER=./node_modules/.bin/truffle-flattener +BRIDGE_CONTRACTS_DIR=contracts/upgradeable_contracts +TOKEN_CONTRACTS_DIR=contracts/tokens + +echo "Flattening common bridge contracts" +${FLATTENER} contracts/upgradeability/EternalStorageProxy.sol > flats/EternalStorageProxy_flat.sol + +echo "Flattening contracts related to NFT Omnibridge" +${FLATTENER} ${BRIDGE_CONTRACTS_DIR}/omnibridge_nft/HomeNFTOmnibridge.sol > flats/HomeNFTOmnibridge_flat.sol +${FLATTENER} ${BRIDGE_CONTRACTS_DIR}/omnibridge_nft/ForeignNFTOmnibridge.sol > flats/ForeignNFTOmnibridge_flat.sol +${FLATTENER} ${BRIDGE_CONTRACTS_DIR}/omnibridge_nft/components/bridged/ERC721TokenProxy.sol > flats/ERC721TokenProxy_flat.sol + +echo "Flattening token contracts" +${FLATTENER} ${TOKEN_CONTRACTS_DIR}/ERC721BridgeToken.sol > flats/ERC721BridgeToken_flat.sol + +for file in flats/*.sol; do + grep -v SPDX "$file" > tmp; mv tmp "$file" +done diff --git a/package.json b/package.json new file mode 100644 index 0000000..9eb8a62 --- /dev/null +++ b/package.json @@ -0,0 +1,53 @@ +{ + "name": "omnibridge-nft", + "version": "1.0.0", + "description": "Omnibridge NFT AMB extension", + "main": "index.js", + "scripts": { + "test": "scripts/test.sh", + "coverage": "SOLIDITY_COVERAGE=true scripts/test.sh", + "compile": "truffle compile", + "flatten": "bash flatten.sh 2>/dev/null", + "lint": "yarn run lint:js && yarn run lint:sol", + "lint:js": "eslint .", + "lint:js:fix": "eslint . --fix", + "lint:sol": "solhint --max-warnings 0 \"contracts/**/*.sol\"", + "lint:sol:prettier:fix": "prettier --write \"contracts/**/*.sol\"", + "deploy": "node deploy/deploy.js" + }, + "dependencies": { + "axios": "^0.21.0", + "bignumber.js": "^9.0.1", + "dotenv": "^8.2.0", + "envalid": "^6.0.2", + "promise-retry": "^2.0.1", + "querystring": "^0.2.0", + "web3": "^1.3.0" + }, + "devDependencies": { + "@openzeppelin/contracts": "3.2.2-solc-0.7", + "chai": "^4.2.0", + "chai-as-promised": "^7.1.1", + "chai-bn": "^0.2.1", + "eslint": "^7.14.0", + "eslint-config-airbnb-base": "^14.2.1", + "eslint-config-prettier": "^6.15.0", + "eslint-plugin-import": "^2.22.1", + "eslint-plugin-node": "^11.1.0", + "eslint-plugin-prettier": "^3.1.4", + "ethereumjs-util": "5.2.0", + "ganache-cli": "^6.12.1", + "prettier": "^2.2.0", + "prettier-plugin-solidity": "^1.0.0-beta.1", + "solhint": "^3.3.2", + "solhint-plugin-prettier": "0.0.5", + "solidity-coverage": "^0.7.12", + "truffle": "^5.1.55", + "truffle-flattener": "^1.4.2" + }, + "engines": { + "node": ">= 14" + }, + "author": "POA Network", + "license": "GPL-3.0" +} diff --git a/scripts/test.sh b/scripts/test.sh new file mode 100755 index 0000000..fdb2fc8 --- /dev/null +++ b/scripts/test.sh @@ -0,0 +1,41 @@ +#!/usr/bin/env bash + +# Exit script as soon as a command fails. +set -o errexit +node_modules/.bin/truffle version +# Executes cleanup function at script exit. +trap cleanup EXIT + +cleanup() { + # Kill the ganache instance that we started (if we started one and if it's still running). + if [ -n "$ganache_pid" ] && ps -p $ganache_pid > /dev/null; then + kill -9 $ganache_pid + fi +} + +kill -9 $(lsof -t -i:8080) > /dev/null 2>&1 || true + +echo "Starting our own ganache instance" + +# We define 10 accounts with balance 1M ether, needed for high-value tests. +accounts=( + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501200,1000000000000000000000000" + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501201,1000000000000000000000000" + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501202,1000000000000000000000000" + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501203,1000000000000000000000000" + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501204,1000000000000000000000000" + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501205,1000000000000000000000000" + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501206,1000000000000000000000000" + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501207,1000000000000000000000000" + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501208,1000000000000000000000000" + --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501209,1000000000000000000000000" + --account="0x19fba401d77e4113b15095e9aa7117bcd25adcfac7f6111f8298894eef443600,1000000000000000000000000" +) + +if [ "$SOLIDITY_COVERAGE" != true ]; then + node --max-old-space-size=4096 node_modules/.bin/ganache-cli --gasLimit 0xfffffffffff "${accounts[@]}" > /dev/null & + ganache_pid=$! + node --max-old-space-size=4096 node_modules/.bin/truffle test --network ganache "$@" +else + node --max-old-space-size=4096 node_modules/.bin/truffle run coverage --network ganache 2>/dev/null +fi diff --git a/test/helpers/helpers.js b/test/helpers/helpers.js new file mode 100644 index 0000000..760fa32 --- /dev/null +++ b/test/helpers/helpers.js @@ -0,0 +1,204 @@ +const { expect } = require('chai') +const { BN } = require('../setup') + +// returns a Promise that resolves with a hex string that is the signature of +// `data` signed with the key of `address` +function sign(address, data) { + return new Promise((resolve, reject) => { + web3.eth.sign(data, address, (err, result) => { + if (err !== null) { + return reject(err) + } + return resolve(normalizeSignature(result)) + // return resolve(result); + }) + }) +} +module.exports.sign = sign + +// geth && testrpc has different output of eth_sign than parity +// https://github.com/ethereumjs/testrpc/issues/243#issuecomment-326750236 +function normalizeSignature(rawSignature) { + const signature = strip0x(rawSignature) + + // increase v by 27... + return `0x${signature.substr(0, 128)}${(parseInt(signature.substr(128), 16) + 27).toString(16)}` +} +module.exports.normalizeSignature = normalizeSignature + +// strips leading "0x" if present +function strip0x(input) { + return input.replace(/^0x/, '') +} +module.exports.strip0x = strip0x + +// extracts and returns the `v`, `r` and `s` values from a `signature`. +function signatureToVRS(rawSignature) { + assert.equal(rawSignature.length, 2 + 32 * 2 + 32 * 2 + 2) + const signature = strip0x(rawSignature) + const v = signature.substr(64 * 2) + const r = signature.substr(0, 32 * 2) + const s = signature.substr(32 * 2, 32 * 2) + return { v, r, s } +} +module.exports.signatureToVRS = signatureToVRS + +function packSignatures(array) { + const length = strip0x(web3.utils.toHex(array.length)) + const msgLength = length.length === 1 ? `0${length}` : length + let v = '' + let r = '' + let s = '' + array.forEach((e) => { + v = v.concat(e.v) + r = r.concat(e.r) + s = s.concat(e.s) + }) + return `0x${msgLength}${v}${r}${s}` +} +module.exports.packSignatures = packSignatures + +// returns BigNumber `num` converted to a little endian hex string +// that is exactly 32 bytes long. +// `num` must represent an unsigned integer +function bigNumberToPaddedBytes32(num) { + let result = strip0x(num.toString(16)) + while (result.length < 64) { + result = `0${result}` + } + return `0x${result}` +} +module.exports.bigNumberToPaddedBytes32 = bigNumberToPaddedBytes32 + +// returns an promise that resolves to an object +// that maps `addresses` to their current balances +function getBalances(addresses) { + return Promise.all( + addresses.map((address) => { + return web3.eth.getBalance(address) + }) + ).then((balancesArray) => { + const addressToBalance = {} + addresses.forEach((address, index) => { + addressToBalance[address] = balancesArray[index] + }) + return addressToBalance + }) +} +module.exports.getBalances = getBalances + +// returns hex string of the bytes of the message +// composed from `recipient`, `value` and `transactionHash` +// that is relayed from `foreign` to `home` on withdraw +function createMessage(rawRecipient, rawValue, rawTransactionHash, rawContractAddress) { + const recipient = strip0x(rawRecipient) + assert.equal(recipient.length, 20 * 2) + + const value = strip0x(bigNumberToPaddedBytes32(rawValue)) + assert.equal(value.length, 64) + + const transactionHash = strip0x(rawTransactionHash) + assert.equal(transactionHash.length, 32 * 2) + + const contractAddress = strip0x(rawContractAddress) + assert.equal(contractAddress.length, 20 * 2) + + const message = `0x${recipient}${value}${transactionHash}${contractAddress}` + const expectedMessageLength = (20 + 32 + 32 + 20) * 2 + 2 + assert.equal(message.length, expectedMessageLength) + return message +} +module.exports.createMessage = createMessage + +// returns array of integers progressing from `start` up to, but not including, `end` +function range(start, end) { + const result = [] + for (let i = start; i < end; i++) { + result.push(i) + } + return result +} +module.exports.range = range + +// just used to signal/document that we're explicitely ignoring/expecting an error +function ignoreExpectedError() {} +module.exports.ignoreExpectedError = ignoreExpectedError + +const getEvents = (truffleInstance, filter, fromBlock = 0, toBlock = 'latest') => + truffleInstance.contract.getPastEvents(filter.event, { fromBlock, toBlock }) + +module.exports.getEvents = getEvents + +function ether(n) { + return new BN(web3.utils.toWei(n, 'ether')) +} + +module.exports.ether = ether + +function expectEventInLogs(logs, eventName, eventArgs = {}) { + const events = logs.filter((e) => e.event === eventName) + expect(events.length > 0).to.equal(true, `There is no '${eventName}'`) + + const exception = [] + const event = events.find((e) => { + for (const [k, v] of Object.entries(eventArgs)) { + try { + contains(e.args, k, v) + } catch (error) { + exception.push(error) + return false + } + } + return true + }) + + if (event === undefined) { + throw exception[0] + } + + return event +} + +function contains(args, key, value) { + expect(key in args).to.equal(true, `Unknown event argument '${key}'`) + + if (value === null) { + expect(args[key]).to.equal(null) + } else if (isBN(args[key])) { + expect(args[key]).to.be.bignumber.equal(value) + } else { + expect(args[key]).to.be.equal(value) + } +} + +function isBN(object) { + return BN.isBN(object) || object instanceof BN +} + +module.exports.expectEventInLogs = expectEventInLogs + +function createAccounts(web3, amount) { + const array = [] + for (let i = 0; i < amount; i++) { + array[i] = web3.eth.accounts.create().address + } + return array +} + +module.exports.createAccounts = createAccounts + +function createFullAccounts(web3, amount) { + const array = [] + for (let i = 0; i < amount; i++) { + array[i] = web3.eth.accounts.create() + } + return array +} + +module.exports.createFullAccounts = createFullAccounts + +async function delay(ms) { + return new Promise((res) => setTimeout(res, ms)) +} + +module.exports.delay = delay diff --git a/test/omnibridge_nft/common.test.js b/test/omnibridge_nft/common.test.js new file mode 100644 index 0000000..9b4cf8b --- /dev/null +++ b/test/omnibridge_nft/common.test.js @@ -0,0 +1,935 @@ +const HomeNFTOmnibridge = artifacts.require('HomeNFTOmnibridge') +const ForeignNFTOmnibridge = artifacts.require('ForeignNFTOmnibridge') +const EternalStorageProxy = artifacts.require('EternalStorageProxy') +const AMBMock = artifacts.require('AMBMock') +const ERC721BridgeToken = artifacts.require('ERC721BridgeToken') + +const { expect } = require('chai') +const { getEvents, ether, expectEventInLogs } = require('../helpers/helpers') +const { ZERO_ADDRESS, toBN } = require('../setup') + +const ZERO = toBN(0) +const exampleMessageId = '0xf308b922ab9f8a7128d9d7bc9bce22cd88b2c05c8213f0e2d8104d78e0a9ecbb' +const otherMessageId = '0x35d3818e50234655f6aebb2a1cfbf30f59568d8a4ec72066fac5a25dbe7b8121' +const failedMessageId = '0x2ebc2ccc755acc8eaf9252e19573af708d644ab63a39619adb080a3500a4ff2e' + +function runTests(accounts, isHome) { + const Mediator = isHome ? HomeNFTOmnibridge : ForeignNFTOmnibridge + const modifyName = (name) => name + (isHome ? ' on xDai' : ' on Mainnet') + const uriFor = (tokenId) => `https://example.com/${tokenId}` + const otherSideMediator = '0x1e33FBB006F47F78704c954555a5c52C2A7f409D' + const otherSideToken1 = '0xAfb77d544aFc1e2aD3dEEAa20F3c80859E7Fc3C9' + const otherSideToken2 = '0x876bD892b01D1c9696D873f74cbeF8fc9Bfb1142' + + let contract + let token + let ambBridgeContract + let currentDay + let tokenImage + const owner = accounts[0] + const user = accounts[1] + const user2 = accounts[2] + + const mintNewNFT = (() => { + let tokenId = 100 + return async () => { + await token.mint(user, tokenId) + await token.setTokenURI(tokenId, uriFor(tokenId)) + return tokenId++ + } + })() + + async function executeMessageCall(messageId, data, options) { + const opts = options || {} + await ambBridgeContract.executeMessageCall( + opts.executor || contract.address, + opts.messageSender || otherSideMediator, + data, + messageId, + opts.gas || 1000000 + ).should.be.fulfilled + return ambBridgeContract.messageCallStatus(messageId) + } + + async function initialize(options) { + const opts = options || {} + const args = [ + opts.ambContract || ambBridgeContract.address, + opts.otherSideMediator || otherSideMediator, + opts.dailyLimit || 20, + opts.executionDailyLimit || 10, + opts.requestGasLimit || 1000000, + opts.owner || owner, + opts.tokenImage || tokenImage.address, + ] + return contract.initialize(...args) + } + + const sendFunctions = [ + async function noAlternativeReceiver(tokenId) { + const id = tokenId || (await mintNewNFT()) + const method = token.methods['safeTransferFrom(address,address,uint256)'] + return method(user, contract.address, id, { from: user }).then(() => user) + }, + async function sameAlternativeReceiver(tokenId) { + const id = tokenId || (await mintNewNFT()) + const method = token.methods['safeTransferFrom(address,address,uint256,bytes)'] + return method(user, contract.address, id, user, { from: user }).then(() => user) + }, + async function differentAlternativeReceiver(tokenId) { + const id = tokenId || (await mintNewNFT()) + const method = token.methods['safeTransferFrom(address,address,uint256,bytes)'] + return method(user, contract.address, id, user2, { from: user }).then(() => user2) + }, + async function simpleRelayToken1(tokenId) { + const id = tokenId || (await mintNewNFT()) + await token.approve(contract.address, id, { from: user }).should.be.fulfilled + const method = contract.methods['relayToken(address,uint256)'] + return method(token.address, id, { from: user }).then(() => user) + }, + async function simpleRelayToken2(tokenId) { + const id = tokenId || (await mintNewNFT()) + await token.approve(contract.address, id, { from: user }).should.be.fulfilled + const method = contract.methods['relayToken(address,address,uint256)'] + return method(token.address, user, id, { from: user }).then(() => user) + }, + async function relayTokenWithAlternativeReceiver(tokenId) { + const id = tokenId || (await mintNewNFT()) + await token.approve(contract.address, id, { from: user }).should.be.fulfilled + const method = contract.methods['relayToken(address,address,uint256)'] + return method(token.address, user2, id, { from: user }).then(() => user2) + }, + ] + + before(async () => { + tokenImage = await ERC721BridgeToken.new('TEST', 'TST', owner) + }) + + beforeEach(async () => { + contract = await Mediator.new() + ambBridgeContract = await AMBMock.new() + token = await ERC721BridgeToken.new('TEST', 'TST', owner) + currentDay = await contract.getCurrentDay() + }) + + describe('getBridgeMode', () => { + it('should return mediator mode and interface', async function () { + const bridgeModeHash = '0xca7fc3dc' // 4 bytes of keccak256('multi-nft-to-nft-amb') + expect(await contract.getBridgeMode()).to.be.equal(bridgeModeHash) + + const { major, minor, patch } = await contract.getBridgeInterfacesVersion() + major.should.be.bignumber.gte(ZERO) + minor.should.be.bignumber.gte(ZERO) + patch.should.be.bignumber.gte(ZERO) + }) + }) + + describe('initialize', () => { + it('should initialize parameters', async () => { + // Given + expect(await contract.isInitialized()).to.be.equal(false) + expect(await contract.bridgeContract()).to.be.equal(ZERO_ADDRESS) + expect(await contract.mediatorContractOnOtherSide()).to.be.equal(ZERO_ADDRESS) + expect(await contract.dailyLimit(ZERO_ADDRESS)).to.be.bignumber.equal(ZERO) + expect(await contract.executionDailyLimit(ZERO_ADDRESS)).to.be.bignumber.equal(ZERO) + expect(await contract.requestGasLimit()).to.be.bignumber.equal(ZERO) + expect(await contract.owner()).to.be.equal(ZERO_ADDRESS) + expect(await contract.tokenImage()).to.be.equal(ZERO_ADDRESS) + + // When + // not valid bridge address + await initialize({ ambContract: ZERO_ADDRESS }).should.be.rejected + + // maxGasPerTx > bridge maxGasPerTx + await initialize({ requestGasLimit: ether('1') }).should.be.rejected + + // not valid owner + await initialize({ owner: ZERO_ADDRESS }).should.be.rejected + + // token factory is not a contract + await initialize({ tokenImage: owner }).should.be.rejected + + const { logs } = await initialize().should.be.fulfilled + + // already initialized + await initialize().should.be.rejected + + // Then + expect(await contract.isInitialized()).to.be.equal(true) + expect(await contract.bridgeContract()).to.be.equal(ambBridgeContract.address) + expect(await contract.mediatorContractOnOtherSide()).to.be.equal(otherSideMediator) + expect(await contract.dailyLimit(ZERO_ADDRESS)).to.be.bignumber.equal('20') + expect(await contract.executionDailyLimit(ZERO_ADDRESS)).to.be.bignumber.equal('10') + expect(await contract.requestGasLimit()).to.be.bignumber.equal('1000000') + expect(await contract.owner()).to.be.equal(owner) + expect(await contract.tokenImage()).to.be.equal(tokenImage.address) + + expectEventInLogs(logs, 'ExecutionDailyLimitChanged', { token: ZERO_ADDRESS, newLimit: '10' }) + expectEventInLogs(logs, 'DailyLimitChanged', { token: ZERO_ADDRESS, newLimit: '20' }) + }) + }) + + describe('afterInitialization', () => { + beforeEach(async () => { + await initialize().should.be.fulfilled + + const initialEvents = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(initialEvents.length).to.be.equal(0) + }) + + describe('update mediator parameters', () => { + describe('limits', () => { + it('should allow to update default daily limits', async () => { + await contract.setDailyLimit(ZERO_ADDRESS, 10, { from: user }).should.be.rejected + await contract.setExecutionDailyLimit(ZERO_ADDRESS, 5, { from: user }).should.be.rejected + await contract.setDailyLimit(ZERO_ADDRESS, 10, { from: owner }).should.be.fulfilled + await contract.setExecutionDailyLimit(ZERO_ADDRESS, 5, { from: owner }).should.be.fulfilled + + expect(await contract.dailyLimit(ZERO_ADDRESS)).to.be.bignumber.equal('10') + expect(await contract.executionDailyLimit(ZERO_ADDRESS)).to.be.bignumber.equal('5') + + await contract.setDailyLimit(ZERO_ADDRESS, ZERO, { from: owner }).should.be.fulfilled + await contract.setExecutionDailyLimit(ZERO_ADDRESS, ZERO, { from: owner }).should.be.fulfilled + + expect(await contract.dailyLimit(ZERO_ADDRESS)).to.be.bignumber.equal(ZERO) + expect(await contract.executionDailyLimit(ZERO_ADDRESS)).to.be.bignumber.equal(ZERO) + }) + + it('should only allow to update parameters for known tokens', async () => { + await contract.setDailyLimit(token.address, 10, { from: owner }).should.be.rejected + await contract.setExecutionDailyLimit(token.address, 5, { from: owner }).should.be.rejected + + await token.safeTransferFrom(user, contract.address, await mintNewNFT(), { from: user }).should.be.fulfilled + + await contract.setDailyLimit(token.address, 10, { from: owner }).should.be.fulfilled + await contract.setExecutionDailyLimit(token.address, 5, { from: owner }).should.be.fulfilled + + expect(await contract.dailyLimit(token.address)).to.be.bignumber.equal('10') + expect(await contract.executionDailyLimit(token.address)).to.be.bignumber.equal('5') + + const args = [otherSideToken1, 'Test', 'TST', user, 1, uriFor(1)] + const data = contract.contract.methods.deployAndHandleBridgedNFT(...args).encodeABI() + expect(await executeMessageCall(exampleMessageId, data)).to.be.equal(true) + const bridgedToken = await contract.bridgedTokenAddress(otherSideToken1) + + await contract.setDailyLimit(bridgedToken, 10, { from: owner }).should.be.fulfilled + await contract.setExecutionDailyLimit(bridgedToken, 5, { from: owner }).should.be.fulfilled + + expect(await contract.dailyLimit(bridgedToken)).to.be.bignumber.equal('10') + expect(await contract.executionDailyLimit(bridgedToken)).to.be.bignumber.equal('5') + }) + }) + + describe('preset token address pair', () => { + it('should allow to set address pair for not yet bridged token', async () => { + await contract.setCustomTokenAddressPair(otherSideToken1, token.address, { from: user }).should.be.rejected + await contract.setCustomTokenAddressPair(otherSideToken1, user).should.be.rejected + await contract.setCustomTokenAddressPair(otherSideToken1, token.address).should.be.fulfilled + await contract.setCustomTokenAddressPair(otherSideToken1, token.address).should.be.rejected + + const events = await getEvents(contract, { event: 'NewTokenRegistered' }) + expect(events.length).to.be.equal(1) + const { nativeToken, bridgedToken } = events[0].returnValues + expect(nativeToken).to.be.equal(otherSideToken1) + expect(bridgedToken).to.be.equal(token.address) + + expect(await contract.nativeTokenAddress(bridgedToken)).to.be.equal(nativeToken) + expect(await contract.bridgedTokenAddress(nativeToken)).to.be.equal(bridgedToken) + }) + + it('should not allow to set address pair if native token is already bridged', async () => { + const args = [otherSideToken1, 'Test', 'TST', user, 1, uriFor(1)] + const data = contract.contract.methods.deployAndHandleBridgedNFT(...args).encodeABI() + expect(await executeMessageCall(exampleMessageId, data)).to.be.equal(true) + + await contract.setCustomTokenAddressPair(otherSideToken1, token.address).should.be.rejected + }) + + it('should not allow to set address pair if bridged token is already registered', async () => { + await sendFunctions[0]() + + await contract.setCustomTokenAddressPair(otherSideToken1, token.address).should.be.rejected + }) + }) + }) + + describe('native tokens', () => { + describe('initialization', () => { + it(`should initialize limits`, async () => { + await sendFunctions[0]().should.be.fulfilled + + expect(await contract.dailyLimit(token.address)).to.be.bignumber.equal('20') + expect(await contract.executionDailyLimit(token.address)).to.be.bignumber.equal('10') + }) + }) + + describe('tokens relay', () => { + for (const send of sendFunctions) { + it(`should make calls to deployAndHandleBridgedNFT and handleBridgedNFT using ${send.name}`, async () => { + const tokenId1 = await mintNewNFT() + const receiver = await send(tokenId1).should.be.fulfilled + + let events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(1) + const { data, messageId, dataType, executor } = events[0].returnValues + expect(data.slice(2, 10)).to.be.equal('3c91b105') + const args = web3.eth.abi.decodeParameters( + ['address', 'string', 'string', 'address', 'uint256', 'string'], + data.slice(10) + ) + expect(executor).to.be.equal(otherSideMediator) + expect(args[0]).to.be.equal(token.address) + expect(args[1]).to.be.equal(await token.name()) + expect(args[2]).to.be.equal(await token.symbol()) + expect(args[3]).to.be.equal(receiver) + expect(args[4]).to.be.equal(tokenId1.toString()) + expect(args[5]).to.be.equal(uriFor(tokenId1)) + expect(await contract.tokenRegistrationMessageId(token.address)).to.be.equal(messageId) + + const tokenId2 = await mintNewNFT() + await send(tokenId2).should.be.fulfilled + + events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(2) + const { data: data2, dataType: dataType2 } = events[1].returnValues + expect(data2.slice(2, 10)).to.be.equal('fbc547ce') + const args2 = web3.eth.abi.decodeParameters(['address', 'address', 'uint256', 'string'], data2.slice(10)) + expect(args2[0]).to.be.equal(token.address) + expect(args2[1]).to.be.equal(receiver) + expect(args2[2]).to.be.equal(tokenId2.toString()) + expect(args2[3]).to.be.equal(uriFor(tokenId2)) + + expect(dataType).to.be.equal('0') + expect(dataType2).to.be.equal('0') + expect(await contract.totalSpentPerDay(token.address, currentDay)).to.be.bignumber.equal('2') + expect(await contract.mediatorOwns(token.address, tokenId1)).to.be.equal(true) + expect(await contract.mediatorOwns(token.address, tokenId2)).to.be.equal(true) + expect(await contract.isTokenRegistered(token.address)).to.be.equal(true) + expect(await token.balanceOf(contract.address)).to.be.bignumber.equal('2') + expect(await token.tokenURI(tokenId1)).to.be.equal(uriFor(tokenId1)) + expect(await token.tokenURI(tokenId2)).to.be.equal(uriFor(tokenId2)) + + const depositEvents = await getEvents(contract, { event: 'TokensBridgingInitiated' }) + expect(depositEvents.length).to.be.equal(2) + expect(depositEvents[0].returnValues.token).to.be.equal(token.address) + expect(depositEvents[0].returnValues.sender).to.be.equal(user) + expect(depositEvents[0].returnValues.tokenId).to.be.equal(tokenId1.toString()) + expect(depositEvents[0].returnValues.messageId).to.include('0x11223344') + expect(depositEvents[1].returnValues.token).to.be.equal(token.address) + expect(depositEvents[1].returnValues.sender).to.be.equal(user) + expect(depositEvents[1].returnValues.tokenId).to.be.equal(tokenId2.toString()) + expect(depositEvents[1].returnValues.messageId).to.include('0x11223344') + }) + } + + it('should respect global shutdown', async () => { + await contract.setDailyLimit(ZERO_ADDRESS, ZERO).should.be.fulfilled + for (const send of sendFunctions) { + await send().should.be.rejected + } + await contract.setDailyLimit(ZERO_ADDRESS, 10).should.be.fulfilled + for (const send of sendFunctions) { + await send().should.be.fulfilled + } + }) + + it('should respect limits', async () => { + await contract.setDailyLimit(ZERO_ADDRESS, 3).should.be.fulfilled + await sendFunctions[0]().should.be.fulfilled + await sendFunctions[0]().should.be.fulfilled + await sendFunctions[0]().should.be.fulfilled + await sendFunctions[0]().should.be.rejected + }) + + describe('fixFailedMessage', () => { + for (const send of sendFunctions) { + it(`should fix tokens locked via ${send.name}`, async () => { + // User transfer tokens twice + const tokenId1 = await mintNewNFT() + const tokenId2 = await mintNewNFT() + await send(tokenId1) + await send(tokenId2) + + expect(await token.balanceOf(contract.address)).to.be.bignumber.equal('2') + expect(await contract.mediatorOwns(token.address, tokenId1)).to.be.equal(true) + expect(await contract.mediatorOwns(token.address, tokenId2)).to.be.equal(true) + + const events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(2) + const transferMessageId1 = events[0].returnValues.messageId + const transferMessageId2 = events[1].returnValues.messageId + expect(await contract.messageFixed(transferMessageId1)).to.be.equal(false) + expect(await contract.messageFixed(transferMessageId2)).to.be.equal(false) + + await contract.fixFailedMessage(transferMessageId2, { from: user }).should.be.rejected + await contract.fixFailedMessage(transferMessageId2, { from: owner }).should.be.rejected + const fixData1 = await contract.contract.methods.fixFailedMessage(transferMessageId1).encodeABI() + const fixData2 = await contract.contract.methods.fixFailedMessage(transferMessageId2).encodeABI() + + // Should be called by mediator from other side so it will fail + expect(await executeMessageCall(failedMessageId, fixData2, { messageSender: owner })).to.be.equal(false) + + expect(await ambBridgeContract.messageCallStatus(failedMessageId)).to.be.equal(false) + expect(await contract.messageFixed(transferMessageId2)).to.be.equal(false) + + expect(await executeMessageCall(exampleMessageId, fixData2)).to.be.equal(true) + expect(await token.balanceOf(contract.address)).to.be.bignumber.equal('1') + expect(await contract.mediatorOwns(token.address, tokenId2)).to.be.equal(false) + expect(await contract.messageFixed(transferMessageId1)).to.be.equal(false) + expect(await contract.messageFixed(transferMessageId2)).to.be.equal(true) + expect(await contract.tokenRegistrationMessageId(token.address)).to.be.equal(transferMessageId1) + + expect(await executeMessageCall(otherMessageId, fixData1)).to.be.equal(true) + expect(await token.balanceOf(contract.address)).to.be.bignumber.equal('0') + expect(await contract.mediatorOwns(token.address, tokenId1)).to.be.equal(false) + expect(await contract.messageFixed(transferMessageId1)).to.be.equal(true) + expect(await contract.tokenRegistrationMessageId(token.address)).to.be.equal('0x'.padEnd(66, '0')) + expect(await contract.dailyLimit(token.address)).to.be.bignumber.equal('0') + expect(await contract.executionDailyLimit(token.address)).to.be.bignumber.equal('0') + + const event = await getEvents(contract, { event: 'FailedMessageFixed' }) + expect(event.length).to.be.equal(2) + expect(event[0].returnValues.messageId).to.be.equal(transferMessageId2) + expect(event[0].returnValues.token).to.be.equal(token.address) + expect(event[0].returnValues.recipient).to.be.equal(user) + expect(event[0].returnValues.value).to.be.equal(tokenId2.toString()) + expect(event[1].returnValues.messageId).to.be.equal(transferMessageId1) + expect(event[1].returnValues.token).to.be.equal(token.address) + expect(event[1].returnValues.recipient).to.be.equal(user) + expect(event[1].returnValues.value).to.be.equal(tokenId1.toString()) + + expect(await executeMessageCall(failedMessageId, fixData1)).to.be.equal(false) + expect(await executeMessageCall(failedMessageId, fixData2)).to.be.equal(false) + }) + } + }) + + describe('fixMediatorBalance', () => { + let tokenId1 + let tokenId2 + let tokenId3 + beforeEach(async () => { + const storageProxy = await EternalStorageProxy.new() + await storageProxy.upgradeTo('1', contract.address).should.be.fulfilled + contract = await Mediator.at(storageProxy.address) + + tokenId1 = await mintNewNFT() + tokenId2 = await mintNewNFT() + tokenId3 = await mintNewNFT() + + await initialize().should.be.fulfilled + + await sendFunctions[0](tokenId1).should.be.fulfilled + await token.transferFrom(user, contract.address, tokenId2, { from: user }).should.be.fulfilled + await token.transferFrom(user, contract.address, tokenId3, { from: user }).should.be.fulfilled + + expect(await contract.mediatorOwns(token.address, tokenId1)).to.be.equal(true) + expect(await contract.mediatorOwns(token.address, tokenId2)).to.be.equal(false) + expect(await contract.mediatorOwns(token.address, tokenId3)).to.be.equal(false) + expect(await token.balanceOf(contract.address)).to.be.bignumber.equal('3') + expect(await contract.totalSpentPerDay(token.address, currentDay)).to.be.bignumber.equal('1') + const events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(1) + }) + + it('should allow to fix extra mediator balance', async () => { + await contract.setDailyLimit(token.address, 2).should.be.fulfilled + + await contract.fixMediatorBalance(token.address, owner, tokenId2, { from: user }).should.be.rejected + await contract.fixMediatorBalance(ZERO_ADDRESS, owner, tokenId2, { from: owner }).should.be.rejected + await contract.fixMediatorBalance(token.address, ZERO_ADDRESS, tokenId2, { from: owner }).should.be.rejected + await contract.fixMediatorBalance(token.address, owner, tokenId1, { from: owner }).should.be.rejected + await contract.fixMediatorBalance(token.address, owner, tokenId2, { from: owner }).should.be.fulfilled + await contract.fixMediatorBalance(token.address, owner, tokenId2, { from: owner }).should.be.rejected + + expect(await contract.mediatorOwns(token.address, tokenId2)).to.be.equal(true) + expect(await token.balanceOf(contract.address)).to.be.bignumber.equal('3') + expect(await contract.totalSpentPerDay(token.address, currentDay)).to.be.bignumber.equal('2') + const events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(2) + const { data, dataType, executor } = events[1].returnValues + expect(data.slice(2, 10)).to.be.equal('fbc547ce') + const args = web3.eth.abi.decodeParameters(['address', 'address', 'uint256'], data.slice(10)) + expect(executor).to.be.equal(otherSideMediator) + expect(dataType).to.be.bignumber.equal('0') + expect(args[0]).to.be.equal(token.address) + expect(args[1]).to.be.equal(owner) + expect(args[2]).to.be.bignumber.equal(tokenId2.toString()) + }) + + it('should allow to fix extra mediator balance with respect to limits', async () => { + await contract.setDailyLimit(token.address, 2).should.be.fulfilled + + await contract.fixMediatorBalance(token.address, owner, tokenId2, { from: owner }).should.be.fulfilled + await contract.fixMediatorBalance(token.address, owner, tokenId3, { from: owner }).should.be.rejected + + await contract.setDailyLimit(token.address, 5).should.be.fulfilled + + await contract.fixMediatorBalance(token.address, owner, tokenId3, { from: owner }).should.be.fulfilled + + expect(await contract.mediatorOwns(token.address, tokenId1)).to.be.equal(true) + expect(await contract.mediatorOwns(token.address, tokenId2)).to.be.equal(true) + expect(await contract.mediatorOwns(token.address, tokenId3)).to.be.equal(true) + }) + }) + }) + + describe('handleNativeNFT', () => { + it('should unlock tokens on message from amb', async () => { + const tokenId1 = await mintNewNFT() + const tokenId2 = await mintNewNFT() + await sendFunctions[0](tokenId1).should.be.fulfilled + await sendFunctions[0](tokenId2).should.be.fulfilled + + expect(await token.balanceOf(contract.address)).to.be.bignumber.equal('2') + expect(await contract.mediatorOwns(token.address, tokenId1)).to.be.equal(true) + expect(await contract.mediatorOwns(token.address, tokenId2)).to.be.equal(true) + + // can't be called by user + await contract.handleNativeNFT(token.address, user, tokenId1, { from: user }).should.be.rejected + + // can't be called by owner + await contract.handleNativeNFT(token.address, user, tokenId1, { from: owner }).should.be.rejected + + const data = await contract.contract.methods.handleNativeNFT(token.address, user, tokenId1).encodeABI() + + // message must be generated by mediator contract on the other network + expect(await executeMessageCall(failedMessageId, data, { messageSender: owner })).to.be.equal(false) + + expect(await executeMessageCall(exampleMessageId, data)).to.be.equal(true) + + expect(await contract.totalExecutedPerDay(token.address, currentDay)).to.be.bignumber.equal('1') + expect(await contract.mediatorOwns(token.address, tokenId1)).to.be.equal(false) + expect(await contract.mediatorOwns(token.address, tokenId2)).to.be.equal(true) + expect(await token.balanceOf(user)).to.be.bignumber.equal('1') + expect(await token.balanceOf(contract.address)).to.be.bignumber.equal('1') + + const event = await getEvents(contract, { event: 'TokensBridged' }) + expect(event.length).to.be.equal(1) + expect(event[0].returnValues.token).to.be.equal(token.address) + expect(event[0].returnValues.recipient).to.be.equal(user) + expect(event[0].returnValues.tokenId).to.be.equal(tokenId1.toString()) + expect(event[0].returnValues.messageId).to.be.equal(exampleMessageId) + }) + + it('should not allow to use unregistered tokens', async () => { + const otherToken = await ERC721BridgeToken.new('Test', 'TST', owner) + await otherToken.mint(user, 1).should.be.fulfilled + await otherToken.transferFrom(user, contract.address, 1, { from: user }).should.be.fulfilled + + const data = await contract.contract.methods.handleNativeNFT(otherToken.address, user, 1).encodeABI() + + expect(await executeMessageCall(failedMessageId, data)).to.be.equal(false) + }) + + it('should not allow to operate when global shutdown is enabled', async () => { + const tokenId1 = await mintNewNFT() + await sendFunctions[0](tokenId1).should.be.fulfilled + + const data = await contract.contract.methods.handleNativeNFT(token.address, user, tokenId1).encodeABI() + + await contract.setExecutionDailyLimit(ZERO_ADDRESS, ZERO).should.be.fulfilled + + expect(await executeMessageCall(failedMessageId, data)).to.be.equal(false) + + await contract.setExecutionDailyLimit(ZERO_ADDRESS, 10).should.be.fulfilled + + expect(await executeMessageCall(otherMessageId, data)).to.be.equal(true) + }) + }) + + describe('requestFailedMessageFix', () => { + it('should allow to request a failed message fix', async () => { + const msgData = contract.contract.methods.handleNativeNFT(token.address, user, 1).encodeABI() + expect(await executeMessageCall(failedMessageId, msgData)).to.be.equal(false) + + await contract.requestFailedMessageFix(failedMessageId).should.be.fulfilled + + const events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(1) + const { data } = events[0].returnValues + expect(data.slice(2, 10)).to.be.equal('0950d515') + const args = web3.eth.abi.decodeParameters(['bytes32'], data.slice(10)) + expect(args[0]).to.be.equal(failedMessageId) + }) + + it('should be a failed transaction', async () => { + const tokenId = await mintNewNFT() + const msgData = contract.contract.methods.handleNativeNFT(token.address, user, tokenId).encodeABI() + await sendFunctions[0](tokenId).should.be.fulfilled + + expect(await executeMessageCall(exampleMessageId, msgData)).to.be.equal(true) + + await contract.requestFailedMessageFix(exampleMessageId).should.be.rejected + }) + + it('should be the receiver of the failed transaction', async () => { + const msgData = contract.contract.methods.handleNativeNFT(token.address, user, 1).encodeABI() + expect( + await executeMessageCall(failedMessageId, msgData, { executor: ambBridgeContract.address }) + ).to.be.equal(false) + + await contract.requestFailedMessageFix(failedMessageId).should.be.rejected + }) + + it('message sender should be mediator from other side', async () => { + const msgData = contract.contract.methods.handleNativeNFT(token.address, user, 1).encodeABI() + expect(await executeMessageCall(failedMessageId, msgData, { messageSender: owner })).to.be.equal(false) + + await contract.requestFailedMessageFix(failedMessageId).should.be.rejected + }) + + it('should allow to request a fix multiple times', async () => { + const msgData = contract.contract.methods.handleNativeNFT(token.address, user, 1).encodeABI() + expect(await executeMessageCall(failedMessageId, msgData)).to.be.equal(false) + + await contract.requestFailedMessageFix(failedMessageId).should.be.fulfilled + await contract.requestFailedMessageFix(failedMessageId).should.be.fulfilled + + const events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(2) + expect(events[0].returnValues.data.slice(2, 10)).to.be.equal('0950d515') + expect(events[1].returnValues.data.slice(2, 10)).to.be.equal('0950d515') + }) + }) + }) + + describe('bridged tokens', () => { + describe('tokens relay', () => { + beforeEach(async () => { + await contract.setExecutionDailyLimit(ZERO_ADDRESS, 10).should.be.fulfilled + const args = [otherSideToken1, 'Test', 'TST', user, 1, ''] + const deployData = contract.contract.methods.deployAndHandleBridgedNFT(...args).encodeABI() + expect(await executeMessageCall(exampleMessageId, deployData)).to.be.equal(true) + token = await ERC721BridgeToken.at(await contract.bridgedTokenAddress(otherSideToken1)) + }) + + for (const send of sendFunctions) { + it(`should make calls to handleNativeNFT using ${send.name} for bridged token`, async () => { + const bridgeData = contract.contract.methods + .handleBridgedNFT(otherSideToken1, user, 2, uriFor(2)) + .encodeABI() + expect(await executeMessageCall(exampleMessageId, bridgeData)).to.be.equal(true) + const receiver = await send(1).should.be.fulfilled + + let events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(1) + const { data, dataType, executor } = events[0].returnValues + expect(data.slice(2, 10)).to.be.equal('e3ae3984') + const args = web3.eth.abi.decodeParameters(['address', 'address', 'uint256'], data.slice(10)) + expect(executor).to.be.equal(otherSideMediator) + expect(args[0]).to.be.equal(otherSideToken1) + expect(args[1]).to.be.equal(receiver) + expect(args[2]).to.be.equal('1') + expect(await contract.tokenRegistrationMessageId(otherSideToken1)).to.be.equal('0x'.padEnd(66, '0')) + expect(await contract.tokenRegistrationMessageId(token.address)).to.be.equal('0x'.padEnd(66, '0')) + + await send(2).should.be.fulfilled + + events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(2) + const { data: data2, dataType: dataType2 } = events[1].returnValues + expect(data2.slice(2, 10)).to.be.equal('e3ae3984') + const args2 = web3.eth.abi.decodeParameters(['address', 'address', 'uint256'], data2.slice(10)) + expect(args2[0]).to.be.equal(otherSideToken1) + expect(args2[1]).to.be.equal(receiver) + expect(args2[2]).to.be.equal('2') + + expect(dataType).to.be.equal('0') + expect(dataType2).to.be.equal('0') + expect(await contract.totalSpentPerDay(token.address, currentDay)).to.be.bignumber.equal('2') + expect(await contract.isTokenRegistered(token.address)).to.be.equal(true) + expect(await token.balanceOf(contract.address)).to.be.bignumber.equal(ZERO) + + const depositEvents = await getEvents(contract, { event: 'TokensBridgingInitiated' }) + expect(depositEvents.length).to.be.equal(2) + expect(depositEvents[0].returnValues.token).to.be.equal(token.address) + expect(depositEvents[0].returnValues.sender).to.be.equal(user) + expect(depositEvents[0].returnValues.tokenId).to.be.equal('1') + expect(depositEvents[0].returnValues.messageId).to.include('0x11223344') + expect(depositEvents[1].returnValues.token).to.be.equal(token.address) + expect(depositEvents[1].returnValues.sender).to.be.equal(user) + expect(depositEvents[1].returnValues.tokenId).to.be.equal('2') + expect(depositEvents[1].returnValues.messageId).to.include('0x11223344') + }) + } + + it('should respect global shutdown', async () => { + await contract.setDailyLimit(ZERO_ADDRESS, ZERO).should.be.fulfilled + for (const send of sendFunctions) { + await send(1).should.be.rejected + } + await contract.setDailyLimit(ZERO_ADDRESS, 10).should.be.fulfilled + await sendFunctions[0](1).should.be.fulfilled + }) + + it('should respect limits', async () => { + const bridgeData1 = contract.contract.methods.handleBridgedNFT(otherSideToken1, user, 2, '').encodeABI() + const bridgeData2 = contract.contract.methods.handleBridgedNFT(otherSideToken1, user, 3, '').encodeABI() + expect(await executeMessageCall(exampleMessageId, bridgeData1)).to.be.equal(true) + expect(await executeMessageCall(exampleMessageId, bridgeData2)).to.be.equal(true) + + await contract.setDailyLimit(token.address, 2).should.be.fulfilled + await sendFunctions[0](1).should.be.fulfilled + await sendFunctions[0](2).should.be.fulfilled + await sendFunctions[0](3).should.be.rejected + }) + + describe('fixFailedMessage', () => { + for (const send of sendFunctions) { + it(`should fix tokens locked via ${send.name}`, async () => { + // User transfer tokens + await send(1) + + const events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(1) + const transferMessageId = events[0].returnValues.messageId + expect(await contract.messageFixed(transferMessageId)).to.be.equal(false) + + await contract.fixFailedMessage(transferMessageId, { from: user }).should.be.rejected + await contract.fixFailedMessage(transferMessageId, { from: owner }).should.be.rejected + const fixData = await contract.contract.methods.fixFailedMessage(transferMessageId).encodeABI() + + // Should be called by mediator from other side so it will fail + expect(await executeMessageCall(failedMessageId, fixData, { messageSender: owner })).to.be.equal(false) + + expect(await ambBridgeContract.messageCallStatus(failedMessageId)).to.be.equal(false) + expect(await contract.messageFixed(transferMessageId)).to.be.equal(false) + + expect(await executeMessageCall(exampleMessageId, fixData)).to.be.equal(true) + expect(await token.ownerOf(1)).to.be.equal(user) + expect(await contract.messageFixed(transferMessageId)).to.be.equal(true) + + const event = await getEvents(contract, { event: 'FailedMessageFixed' }) + expect(event.length).to.be.equal(1) + expect(event[0].returnValues.messageId).to.be.equal(transferMessageId) + expect(event[0].returnValues.token).to.be.equal(token.address) + expect(event[0].returnValues.recipient).to.be.equal(user) + expect(event[0].returnValues.value).to.be.equal('1') + + expect(await executeMessageCall(failedMessageId, fixData)).to.be.equal(false) + }) + } + }) + }) + + describe('deployAndHandleBridgedNFT', () => { + it('should deploy contract and mint tokens on first message from amb', async () => { + // can't be called by user + const args = [otherSideToken1, 'Test', 'TST', user, 1, uriFor(1)] + await contract.deployAndHandleBridgedNFT(...args, { from: user }).should.be.rejected + + // can't be called by owner + await contract.deployAndHandleBridgedNFT(...args, { from: owner }).should.be.rejected + + const data = contract.contract.methods.deployAndHandleBridgedNFT(...args).encodeABI() + + // message must be generated by mediator contract on the other network + expect(await executeMessageCall(failedMessageId, data, { messageSender: owner })).to.be.equal(false) + + expect(await executeMessageCall(exampleMessageId, data)).to.be.equal(true) + + const events = await getEvents(contract, { event: 'NewTokenRegistered' }) + expect(events.length).to.be.equal(1) + const { nativeToken, bridgedToken } = events[0].returnValues + expect(nativeToken).to.be.equal(otherSideToken1) + const deployedToken = await ERC721BridgeToken.at(bridgedToken) + + expect(await deployedToken.name()).to.be.equal(modifyName('Test')) + expect(await deployedToken.symbol()).to.be.equal('TST') + expect(await contract.nativeTokenAddress(bridgedToken)).to.be.equal(nativeToken) + expect(await contract.bridgedTokenAddress(nativeToken)).to.be.equal(bridgedToken) + expect(await contract.totalExecutedPerDay(deployedToken.address, currentDay)).to.be.bignumber.equal('1') + expect(await deployedToken.ownerOf(1)).to.be.bignumber.equal(user) + expect(await deployedToken.balanceOf(contract.address)).to.be.bignumber.equal(ZERO) + expect(await deployedToken.tokenURI(1)).to.be.equal(uriFor(1)) + + const event = await getEvents(contract, { event: 'TokensBridged' }) + expect(event.length).to.be.equal(1) + expect(event[0].returnValues.token).to.be.equal(deployedToken.address) + expect(event[0].returnValues.recipient).to.be.equal(user) + expect(event[0].returnValues.tokenId).to.be.equal('1') + expect(event[0].returnValues.messageId).to.be.equal(exampleMessageId) + }) + + it('should not deploy new contract if token is already deployed', async () => { + const args = [otherSideToken1, 'Test', 'TST', user] + const data1 = contract.contract.methods.deployAndHandleBridgedNFT(...args, 1, '').encodeABI() + const data2 = contract.contract.methods.deployAndHandleBridgedNFT(...args, 2, '').encodeABI() + + expect(await executeMessageCall(exampleMessageId, data1)).to.be.equal(true) + + expect(await executeMessageCall(otherSideToken1, data2)).to.be.equal(true) + + const events = await getEvents(contract, { event: 'NewTokenRegistered' }) + expect(events.length).to.be.equal(1) + const event = await getEvents(contract, { event: 'TokensBridged' }) + expect(event.length).to.be.equal(2) + }) + + it('should use modified symbol instead of name if empty', async () => { + const args = [otherSideToken1, '', 'TST', user, 1, ''] + const data = contract.contract.methods.deployAndHandleBridgedNFT(...args).encodeABI() + + expect(await executeMessageCall(exampleMessageId, data)).to.be.equal(true) + + const deployedToken = await ERC721BridgeToken.at(await contract.bridgedTokenAddress(otherSideToken1)) + expect(await deployedToken.name()).to.be.equal(modifyName('TST')) + expect(await deployedToken.symbol()).to.be.equal('TST') + }) + + it('should use modified name instead of symbol if empty', async () => { + const args = [otherSideToken1, 'Test', '', user, 1, ''] + const data = contract.contract.methods.deployAndHandleBridgedNFT(...args).encodeABI() + + expect(await executeMessageCall(exampleMessageId, data)).to.be.equal(true) + + const deployedToken = await ERC721BridgeToken.at(await contract.bridgedTokenAddress(otherSideToken1)) + expect(await deployedToken.name()).to.be.equal(modifyName('Test')) + expect(await deployedToken.symbol()).to.be.equal('Test') + }) + + it('should not allow to operate when global shutdown is enabled', async () => { + const args = [otherSideToken1, 'Test', 'TST', user, 1, ''] + const data = contract.contract.methods.deployAndHandleBridgedNFT(...args).encodeABI() + + await contract.setExecutionDailyLimit(ZERO_ADDRESS, ZERO).should.be.fulfilled + + expect(await executeMessageCall(failedMessageId, data)).to.be.equal(false) + + await contract.setExecutionDailyLimit(ZERO_ADDRESS, 10).should.be.fulfilled + + expect(await executeMessageCall(otherMessageId, data)).to.be.equal(true) + }) + }) + + describe('handleBridgedNFT', () => { + let deployedToken + beforeEach(async () => { + const args = [otherSideToken1, 'Test', 'TST', user, 1, ''] + const data = contract.contract.methods.deployAndHandleBridgedNFT(...args).encodeABI() + + expect(await executeMessageCall(exampleMessageId, data)).to.be.equal(true) + + const events = await getEvents(contract, { event: 'NewTokenRegistered' }) + expect(events.length).to.be.equal(1) + const { nativeToken, bridgedToken } = events[0].returnValues + expect(nativeToken).to.be.equal(otherSideToken1) + deployedToken = await ERC721BridgeToken.at(bridgedToken) + + expect(await contract.totalExecutedPerDay(deployedToken.address, currentDay)).to.be.bignumber.equal('1') + expect(await deployedToken.balanceOf(user)).to.be.bignumber.equal('1') + expect(await deployedToken.balanceOf(contract.address)).to.be.bignumber.equal(ZERO) + expect(await contract.mediatorOwns(deployedToken.address, 1)).to.be.equal(false) + }) + + it('should mint existing tokens on repeated messages from amb', async () => { + const args = [otherSideToken1, user, 2, uriFor(2)] + // can't be called by user + await contract.handleBridgedNFT(...args, { from: user }).should.be.rejected + + // can't be called by owner + await contract.handleBridgedNFT(...args, { from: owner }).should.be.rejected + + const data = contract.contract.methods.handleBridgedNFT(...args).encodeABI() + + // message must be generated by mediator contract on the other network + expect(await executeMessageCall(failedMessageId, data, { messageSender: owner })).to.be.equal(false) + + expect(await executeMessageCall(exampleMessageId, data)).to.be.equal(true) + + expect(await contract.totalExecutedPerDay(deployedToken.address, currentDay)).to.be.bignumber.equal('2') + expect(await contract.mediatorOwns(deployedToken.address, 2)).to.be.equal(false) + expect(await deployedToken.balanceOf(user)).to.be.bignumber.equal('2') + expect(await deployedToken.balanceOf(contract.address)).to.be.bignumber.equal(ZERO) + expect(await deployedToken.tokenURI(2)).to.be.equal(uriFor(2)) + + const event = await getEvents(contract, { event: 'TokensBridged' }) + expect(event.length).to.be.equal(2) + expect(event[1].returnValues.token).to.be.equal(deployedToken.address) + expect(event[1].returnValues.recipient).to.be.equal(user) + expect(event[1].returnValues.tokenId).to.be.equal('2') + expect(event[1].returnValues.messageId).to.be.equal(exampleMessageId) + }) + + it('should not allow to process unknown tokens', async () => { + const data = contract.contract.methods.handleBridgedNFT(otherSideToken2, user, 2, '').encodeABI() + + expect(await executeMessageCall(failedMessageId, data)).to.be.equal(false) + }) + + it('should not allow to operate when global shutdown is enabled', async () => { + const data = contract.contract.methods.handleBridgedNFT(otherSideToken1, user, 2, '').encodeABI() + + await contract.setExecutionDailyLimit(ZERO_ADDRESS, ZERO).should.be.fulfilled + + expect(await executeMessageCall(failedMessageId, data)).to.be.equal(false) + + await contract.setExecutionDailyLimit(ZERO_ADDRESS, 10).should.be.fulfilled + + expect(await executeMessageCall(otherMessageId, data)).to.be.equal(true) + }) + }) + + describe('requestFailedMessageFix', () => { + let msgData + beforeEach(() => { + const args = [otherSideToken1, 'Test', 'TST', user, 1, ''] + msgData = contract.contract.methods.deployAndHandleBridgedNFT(...args).encodeABI() + }) + it('should allow to request a failed message fix', async () => { + expect(await executeMessageCall(failedMessageId, msgData, { gas: 100 })).to.be.equal(false) + + await contract.requestFailedMessageFix(failedMessageId).should.be.fulfilled + + const events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(1) + const { data } = events[0].returnValues + expect(data.slice(2, 10)).to.be.equal('0950d515') + const args = web3.eth.abi.decodeParameters(['bytes32'], data.slice(10)) + expect(args[0]).to.be.equal(failedMessageId) + }) + + it('should be a failed transaction', async () => { + expect(await executeMessageCall(exampleMessageId, msgData)).to.be.equal(true) + + await contract.requestFailedMessageFix(exampleMessageId).should.be.rejected + }) + + it('should be the receiver of the failed transaction', async () => { + expect( + await executeMessageCall(failedMessageId, msgData, { executor: ambBridgeContract.address }) + ).to.be.equal(false) + + await contract.requestFailedMessageFix(failedMessageId).should.be.rejected + }) + + it('message sender should be mediator from other side', async () => { + expect(await executeMessageCall(failedMessageId, msgData, { messageSender: owner })).to.be.equal(false) + + await contract.requestFailedMessageFix(failedMessageId).should.be.rejected + }) + + it('should allow to request a fix multiple times', async () => { + expect(await executeMessageCall(failedMessageId, msgData, { gas: 100 })).to.be.equal(false) + + await contract.requestFailedMessageFix(failedMessageId).should.be.fulfilled + await contract.requestFailedMessageFix(failedMessageId).should.be.fulfilled + + const events = await getEvents(ambBridgeContract, { event: 'MockedEvent' }) + expect(events.length).to.be.equal(2) + expect(events[0].returnValues.data.slice(2, 10)).to.be.equal('0950d515') + expect(events[1].returnValues.data.slice(2, 10)).to.be.equal('0950d515') + }) + }) + }) + }) +} + +contract('ForeignNFTOmnibridge', (accounts) => { + runTests(accounts, false) +}) + +contract('HomeNFTOmnibridge', (accounts) => { + runTests(accounts, true) +}) diff --git a/test/setup.js b/test/setup.js new file mode 100644 index 0000000..5d5ac99 --- /dev/null +++ b/test/setup.js @@ -0,0 +1,13 @@ +const { BN, toBN } = web3.utils + +require('chai').use(require('chai-as-promised')).use(require('chai-bn')(BN)) + +require('chai/register-should') + +exports.BN = BN +exports.toBN = toBN +exports.ERROR_MSG = 'VM Exception while processing transaction: revert' +exports.ERROR_MSG_OPCODE = 'VM Exception while processing transaction: invalid opcode' +exports.ZERO_ADDRESS = '0x0000000000000000000000000000000000000000' +exports.F_ADDRESS = '0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF' +exports.INVALID_ARGUMENTS = 'Invalid number of arguments to Solidity function' diff --git a/truffle-config.js b/truffle-config.js new file mode 100644 index 0000000..9e133ff --- /dev/null +++ b/truffle-config.js @@ -0,0 +1,26 @@ +module.exports = { + contracts_build_directory: './build/contracts', + networks: { + ganache: { + host: '127.0.0.1', + port: 8545, + network_id: '*', + gasPrice: 100000000000, + gas: 10000000, + disableConfirmationListener: true, + }, + }, + compilers: { + solc: { + version: '0.7.5', + settings: { + optimizer: { + enabled: true, + runs: 200, + }, + evmVersion: 'istanbul', + }, + }, + }, + plugins: ['solidity-coverage'], +} diff 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