81 lines
2.4 KiB
Solidity
81 lines
2.4 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.19;
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import "./interfaces/ILabRegistry.sol";
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import "@openzeppelin/contracts/utils/math/SafeMath.sol";
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library LabHelper {
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using SafeMath for uint256;
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struct LabMetadata {
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address owner;
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uint256 createdAt;
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uint256 lastUpdated;
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uint256 totalContributions;
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bool isActive;
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uint8 reputationScore;
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}
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struct ContributionRecord {
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address contributor;
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uint256 amount;
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uint256 timestamp;
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bytes32 recordHash;
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bool isValidated;
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}
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event ContributionRecorded(
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address indexed contributor,
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uint256 amount,
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uint256 timestamp
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);
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function validateContribution(
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ContributionRecord memory record,
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uint256 minContributionAmount
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) internal pure returns (bool) {
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require(record.amount >= minContributionAmount, "Contribution below minimum threshold");
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require(record.contributor != address(0), "Invalid contributor address");
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require(record.timestamp > 0, "Invalid contribution timestamp");
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return true;
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}
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function calculateContributionScore(
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ContributionRecord memory record
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) internal view returns (uint8) {
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uint256 timeSinceContribution = block.timestamp.sub(record.timestamp);
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if (timeSinceContribution <= 30 days) return 10;
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if (timeSinceContribution <= 90 days) return 7;
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if (timeSinceContribution <= 180 days) return 4;
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return 1;
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}
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function generateRecordHash(
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address contributor,
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uint256 amount,
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uint256 timestamp
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) internal pure returns (bytes32) {
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return keccak256(abi.encodePacked(contributor, amount, timestamp));
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}
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function updateLabMetadata(
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LabMetadata storage metadata,
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uint256 contributionAmount
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) internal {
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metadata.totalContributions = metadata.totalContributions.add(contributionAmount);
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metadata.lastUpdated = block.timestamp;
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if (contributionAmount > 1 ether) {
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metadata.reputationScore = metadata.reputationScore < 100
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? metadata.reputationScore + 5
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: 100;
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}
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}
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function isLabActive(LabMetadata memory metadata) internal pure returns (bool) {
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return metadata.isActive && metadata.reputationScore > 20;
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}
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} |