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Feat/pow support #161
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Feat/pow support #161
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c1ab643
feat: power implementation
hunjixin 6f04361
feat: simplly code
94984d2
chore: add a explain comment for target difficulty
3315281
fix typo
80af65a
fix: blocked error channel
b2d7287
chore: update dev toml sc address
44d8198
feat: change wrong log and add toml tag
f0ae8dc
fix: upgrade cowsay to v0.0.4
4211285
fix: update devent controller address
68ca34f
fix: Add POW config processor
bgins 072f997
feat: add pow address for testnet
AquiGorka 4f7caef
chore: update to latest controller address
AquiGorka a94fce7
chore: update contract addresses
arsen3d fcb82b4
build: add hardhat testnet config
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| package lilypad | ||
|
|
||
| import ( | ||
| "github.com/lilypad-tech/lilypad/pkg/options" | ||
| optionsfactory "github.com/lilypad-tech/lilypad/pkg/options" | ||
| "github.com/lilypad-tech/lilypad/pkg/system" | ||
| "github.com/lilypad-tech/lilypad/pkg/web3" | ||
| "github.com/rs/zerolog/log" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| func newPowSignalCmd() *cobra.Command { | ||
| options := optionsfactory.NewPowSignalOptions() | ||
|
|
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| powSignalCmd := &cobra.Command{ | ||
| Use: "pow-signal", | ||
| Short: "Send a pow signal to smart contract.", | ||
| Long: "Send a pow signal to smart contract.", | ||
| Example: "", | ||
| RunE: func(cmd *cobra.Command, _ []string) error { | ||
| network, _ := cmd.Flags().GetString("network") | ||
|
|
||
| options, err := optionsfactory.ProcessPowSignalOptions(options, network) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return runPowSignal(cmd, options) | ||
| }, | ||
| } | ||
|
|
||
| optionsfactory.AddPowSignalCliFlags(powSignalCmd, &options) | ||
|
|
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| return powSignalCmd | ||
| } | ||
|
|
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| func runPowSignal(cmd *cobra.Command, options options.PowSignalOptions) error { | ||
| commandCtx := system.NewCommandContext(cmd) | ||
| defer commandCtx.Cleanup() | ||
|
|
||
| web3SDK, err := web3.NewContractSDK(options.Web3) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| _, err = web3SDK.SendPowSignal(commandCtx.Ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| log.Info().Msgf("send pow signal successful.") | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.6; | ||
|
|
||
| import "@openzeppelin/contracts/access/Ownable.sol"; | ||
| import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; | ||
|
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| contract LilypadPow is Ownable, Initializable { | ||
| struct POWSubmission { | ||
| address walletAddress; | ||
| string nodeId; | ||
| uint256 nonce; | ||
| uint256 start_timestap; | ||
| uint256 complete_timestap; //used to estimate hashrate of this submission | ||
| bytes32 challenge; //record this to provent user never change challenge | ||
| uint256 difficulty; | ||
| } | ||
|
|
||
| struct Challenge { | ||
| bytes32 challenge; | ||
| uint256 difficulty; | ||
| string nodeId; | ||
| uint256 timestamp; | ||
| } | ||
|
|
||
| // todo difficulty may need to adjust in test | ||
| // this difficulty was calculate with this tool https://github.com/hunjixin/pow-tool/tree/main/difficulty | ||
| // Theoretically A machine with a hash rate of 2M has a probability of no more than 0.01% of not finding a nonce that meets the difficulty within 20 blocks. | ||
| // However, this issue has not been well validated in practice. it can solve nonce within one minute most of the time. | ||
| uint256 public immutable TARGET_DIFFICULTY = | ||
| 2221842798488549893930113429797694032668256326301844165995655665287168; | ||
| mapping(address => POWSubmission[]) public powSubmissions; | ||
| mapping(address => uint256) public minerSubmissionCount; //used for loop powsubmission | ||
| address[] public miners; | ||
|
|
||
| mapping(address => Challenge) public lastChallenges; | ||
| uint256 public validProofs; | ||
| uint256 public startTime; | ||
|
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| uint256 public window_start; | ||
| uint256 public window_end; | ||
| /** | ||
| * Init | ||
| */ | ||
|
|
||
| // https://docs.openzeppelin.com/upgrades-plugins/1.x/writing-upgradeable | ||
| function initialize() public initializer {} | ||
|
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| function getMiners() external view returns (address[] memory) { | ||
| return miners; | ||
| } | ||
|
|
||
| // generateChallenge gen a byte32 value as challenge value, Sc store this one for verify | ||
| function generateChallenge(string calldata nodeId) external { | ||
| checkTimeWindow(); | ||
|
|
||
| bytes32 challenge = keccak256( | ||
| abi.encodePacked(block.timestamp, window_start, msg.sender, nodeId) | ||
| ); | ||
|
|
||
| uint256 difficulty = calculate_difficulty(); | ||
| lastChallenges[msg.sender] = Challenge( | ||
| challenge, | ||
| difficulty, | ||
| nodeId, | ||
| block.timestamp | ||
| ); | ||
| emit GenerateChallenge(challenge, difficulty); | ||
| } | ||
|
|
||
| function calculate_difficulty() public view returns (uint256) { | ||
| uint256 percentChange = 90 + (block.prevrandao % 21); | ||
| return (TARGET_DIFFICULTY * percentChange) / 100; | ||
| } | ||
|
|
||
| // submitWork miner submint a nonce value, sc check the difficulty and emit a valid pow event when success | ||
| function submitWork(uint256 nonce, string calldata nodeId) external { | ||
| checkTimeWindow(); | ||
|
|
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| Challenge memory lastChallenge = lastChallenges[msg.sender]; | ||
| bytes32 challenge = keccak256( | ||
| abi.encodePacked( | ||
| lastChallenge.timestamp, | ||
| window_start, | ||
| msg.sender, | ||
| nodeId | ||
| ) | ||
| ); | ||
|
|
||
| require( | ||
| lastChallenge.challenge == challenge, | ||
| "Work submit not compatable with challenge" | ||
| ); | ||
|
|
||
| bytes32 hash = keccak256(abi.encodePacked(challenge, nonce)); | ||
| require( | ||
| uint256(hash) < lastChallenge.difficulty, | ||
| "Work does not meet difficulty target" | ||
| ); | ||
|
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| validProofs++; | ||
|
|
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| if (minerSubmissionCount[msg.sender] == 0) { | ||
| //first submit, append to miners | ||
| miners.push(msg.sender); | ||
| } | ||
|
|
||
| minerSubmissionCount[msg.sender]++; //increase miner's valid proofs | ||
| POWSubmission[] storage posSubmissions = powSubmissions[msg.sender]; | ||
| posSubmissions.push( | ||
| POWSubmission( | ||
| msg.sender, | ||
| nodeId, | ||
| nonce, | ||
| lastChallenge.timestamp, | ||
| block.timestamp, | ||
| lastChallenge.challenge, | ||
| lastChallenge.difficulty | ||
| ) | ||
| ); | ||
|
|
||
| //clean last challenge to submit the same proof | ||
| lastChallenges[msg.sender] = Challenge(0, 0, "", 0); | ||
| emit ValidPOWSubmitted( | ||
| msg.sender, | ||
| nodeId, | ||
| nonce, | ||
| block.timestamp, | ||
| lastChallenge.challenge, | ||
| lastChallenge.difficulty | ||
| ); | ||
| } | ||
|
|
||
| function triggerNewPowRound() external onlyOwner { | ||
| window_start = block.number; | ||
| window_end = block.number + 30; //todo arbitary value , need to discuss | ||
| emit NewPowRound(); | ||
| } | ||
|
|
||
| function checkTimeWindow() public view { | ||
| require(block.number < window_end, "proof windows has closed"); | ||
| } | ||
|
|
||
| event ValidPOWSubmitted( | ||
| address indexed walletAddress, | ||
| string nodeId, | ||
| uint256 nonce, | ||
| uint256 timestamp, | ||
| bytes32 challenge, | ||
| uint256 difficulty | ||
| ); | ||
| event GenerateChallenge(bytes32 challenge, uint256 difficulty); | ||
| event NewPowRound(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| import { HardhatRuntimeEnvironment } from 'hardhat/types' | ||
| import { DeployFunction } from 'hardhat-deploy/types' | ||
|
|
||
| const deployUsers: DeployFunction = async function (hre: HardhatRuntimeEnvironment) { | ||
| const { deployments, getNamedAccounts } = hre | ||
| const { deploy, execute } = deployments | ||
| const { | ||
| admin, | ||
| } = await getNamedAccounts() | ||
| await deploy("LilypadPow", { | ||
| from: admin, | ||
| args: [], | ||
| log: true, | ||
| }) | ||
| await execute( | ||
| 'LilypadPow', | ||
| { | ||
| from: admin, | ||
| log: true, | ||
| }, | ||
| 'initialize' | ||
| ) | ||
| return true | ||
| } | ||
|
|
||
| deployUsers.id = 'deployPow' | ||
|
|
||
| export default deployUsers | ||
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Please rename to
deployPow