diff --git a/blockchain_integration/pi_network/PiComply/contracts/ComplianceProtocol.sol b/blockchain_integration/pi_network/PiComply/contracts/ComplianceProtocol.sol new file mode 100644 index 000000000..1ef4cec96 --- /dev/null +++ b/blockchain_integration/pi_network/PiComply/contracts/ComplianceProtocol.sol @@ -0,0 +1,75 @@ +pragma solidity ^0.8.0; + +import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/access/Roles.sol"; +import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/math/SafeMath.sol"; +import "https://github.com/chainlink/chainlink-contracts/contracts/src/v0.8/ChainlinkClient.sol"; + +contract ComplianceProtocol { + using Roles for address; + using SafeMath for uint256; + + // Events + event NewComplianceRequest(address indexed requester, uint256 requestId); + event ComplianceRequestFulfilled(address indexed requester, uint256 requestId, bool complianceStatus); + event ComplianceRequestRejected(address indexed requester, uint256 requestId, string reason); + + // Structs + struct ComplianceRequest { + address requester; + uint256 requestId; + string regulatoryRequirement; + uint256 timestamp; + bool fulfilled; + bool rejected; + } + + // Mapping of compliance requests + mapping (uint256 => ComplianceRequest) public complianceRequests; + + // Mapping of regulatory requirements to their corresponding compliance statuses + mapping (string => bool) public regulatoryCompliance; + + // Chainlink oracle address + address public oracleAddress; + + // Constructor + constructor(address _oracleAddress) public { + oracleAddress = _oracleAddress; + } + + // Function to request compliance check + function requestComplianceCheck(string memory _regulatoryRequirement) public { + uint256 requestId = uint256(keccak256(abi.encodePacked(_regulatoryRequirement, block.timestamp))); + ComplianceRequest storage request = complianceRequests[requestId]; + request.requester = msg.sender; + request.requestId = requestId; + request.regulatoryRequirement = _regulatoryRequirement; + request.timestamp = block.timestamp; + request.fulfilled = false; + request.rejected = false; + emit NewComplianceRequest(msg.sender, requestId); + } + + // Function to fulfill compliance request + function fulfillComplianceRequest(uint256 _requestId, bool _complianceStatus) public onlyOracle { + ComplianceRequest storage request = complianceRequests[_requestId]; + require(request.requester != address(0), "Invalid request ID"); + request.fulfilled = true; + regulatoryCompliance[request.regulatoryRequirement] = _complianceStatus; + emit ComplianceRequestFulfilled(request.requester, _requestId, _complianceStatus); + } + + // Function to reject compliance request + function rejectComplianceRequest(uint256 _requestId, string memory _reason) public onlyOracle { + ComplianceRequest storage request = complianceRequests[_requestId]; + require(request.requester != address(0), "Invalid request ID"); + request.rejected = true; + emit ComplianceRequestRejected(request.requester, _requestId, _reason); + } + + // Modifier to restrict access to only the oracle + modifier onlyOracle { + require(msg.sender == oracleAddress, "Only the oracle can fulfill or reject compliance requests"); + _; + } +}