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44 changes: 44 additions & 0 deletions
44
helix-contract/contracts/ln/messager/Eth2ScrollReceiveService.sol
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| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.17; | ||
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| import "./interface/IScrollMessenger.sol"; | ||
| import "../base/LnAccessController.sol"; | ||
| import "../interface/ILowLevelMessager.sol"; | ||
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| // from ethereum to arbitrum messager | ||
| contract Eth2ScrollReceiveService is ILowLevelMessageReceiver, LnAccessController { | ||
| uint256 immutable public REMOTE_CHAINID; | ||
| address immutable public scrollMessager; | ||
| address public remoteMessager; | ||
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| mapping(address=>address) public appPairs; | ||
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| modifier onlyRemoteBridge() { | ||
| require(msg.sender == scrollMessager, "invalid caller"); | ||
| require(remoteMessager == IScrollMessenger(scrollMessager).xDomainMessageSender(), "invalid remote caller"); | ||
| _; | ||
| } | ||
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| constructor(address _dao, address _scrollMessager, uint256 _remoteChainId) { | ||
| _initialize(_dao); | ||
| REMOTE_CHAINID = _remoteChainId; | ||
| scrollMessager = _scrollMessager; | ||
| } | ||
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| function setRemoteMessager(address _remoteMessager) onlyDao external { | ||
| remoteMessager = _remoteMessager; | ||
| } | ||
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| function registerRemoteSender(uint256 _remoteChainId, address _remoteBridge) onlyWhiteListCaller external { | ||
| require(_remoteChainId == REMOTE_CHAINID, "invalid remote chainId"); | ||
| appPairs[msg.sender] = _remoteBridge; | ||
| } | ||
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| function recvMessage(address _remoteApp, address _localApp, bytes memory _message) onlyRemoteBridge external { | ||
| address remoteAppAddress = appPairs[_localApp]; | ||
| require(remoteAppAddress == _remoteApp, "invalid remote app"); | ||
| (bool result,) = _localApp.call(_message); | ||
| require(result == true, "local call failed"); | ||
| } | ||
| } | ||
|
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62 changes: 62 additions & 0 deletions
62
helix-contract/contracts/ln/messager/Eth2ScrollSendService.sol
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,62 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.17; | ||
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| import "./interface/IScrollMessenger.sol"; | ||
| import "../base/LnAccessController.sol"; | ||
| import "../interface/ILowLevelMessager.sol"; | ||
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| contract Eth2ScrollSendService is ILowLevelMessageSender, LnAccessController { | ||
| uint256 immutable public REMOTE_CHAINID; | ||
| IScrollMessenger immutable public scrollMessager; | ||
| address public remoteMessager; | ||
| mapping(address=>address) public appPairs; | ||
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| constructor(address _dao, address _scrollMessager, uint256 _remoteChainId) { | ||
| _initialize(_dao); | ||
| scrollMessager = IScrollMessenger(_scrollMessager); | ||
| REMOTE_CHAINID = _remoteChainId; | ||
| } | ||
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| function setRemoteMessager(address _remoteMessager) onlyDao external { | ||
| remoteMessager = _remoteMessager; | ||
| } | ||
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| function registerRemoteReceiver(uint256 _remoteChainId, address _remoteBridge) onlyWhiteListCaller external { | ||
| require(_remoteChainId == REMOTE_CHAINID, "invalid remote chainId"); | ||
| appPairs[msg.sender] = _remoteBridge; | ||
| } | ||
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| function sendMessage(uint256 _remoteChainId, bytes memory _message, bytes memory _params) onlyWhiteListCaller external payable { | ||
| require(_remoteChainId == REMOTE_CHAINID, "invalid remote chainId"); | ||
| address remoteAppAddress = appPairs[msg.sender]; | ||
| require(remoteAppAddress != address(0), "app not registered"); | ||
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| (uint256 l2GasLimit, address refunder) = abi.decode(_params, (uint256, address)); | ||
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| bytes memory remoteReceiveCall = abi.encodeWithSelector( | ||
| ILowLevelMessageReceiver.recvMessage.selector, | ||
| msg.sender, | ||
| remoteAppAddress, | ||
| _message | ||
| ); | ||
| scrollMessager.sendMessage{value: msg.value}( | ||
| remoteMessager, | ||
| 0, | ||
| remoteReceiveCall, | ||
| l2GasLimit, | ||
| refunder | ||
| ); | ||
| } | ||
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| function fee(uint256 _l2GasLimit) external view returns(uint256) { | ||
| address messageQueue = scrollMessager.messageQueue(); | ||
| return IL1MessageQueue(messageQueue).estimateCrossDomainMessageFee(_l2GasLimit); | ||
| } | ||
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| function encodeParams( | ||
| uint256 _l2GasLimit, | ||
| address _refunder | ||
| ) external pure returns(bytes memory) { | ||
| return abi.encode(_l2GasLimit, _refunder); | ||
| } | ||
| } |
12 changes: 12 additions & 0 deletions
12
helix-contract/contracts/ln/messager/interface/IScrollMessenger.sol
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,12 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.17; | ||
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| interface IScrollMessenger { | ||
| function sendMessage(address target, uint256 value, bytes calldata message, uint256 gasLimit, address refundAddress) external payable; | ||
| function messageQueue() external view returns (address); | ||
| function xDomainMessageSender() external view returns (address); | ||
| } | ||
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| interface IL1MessageQueue { | ||
| function estimateCrossDomainMessageFee(uint256 gasLimit) external view returns(uint256); | ||
| } |
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