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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,62 +1,69 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.19; | ||
|
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| // solhint-disable-next-line no-unused-import | ||
| import {Module, IModule} from '@defi-wonderland/prophet-core-contracts/solidity/contracts/Module.sol'; | ||
| import {IOracle} from '@defi-wonderland/prophet-core-contracts/solidity/interfaces/IOracle.sol'; | ||
|
|
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| import {IArbitratorModule} from '../../../interfaces/modules/resolution/IArbitratorModule.sol'; | ||
| import {IArbitrator} from '../../../interfaces/IArbitrator.sol'; | ||
|
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| contract ArbitratorModule is Module, IArbitratorModule { | ||
| /** | ||
| * @notice The status of all disputes | ||
| */ | ||
| mapping(bytes32 _disputeId => ArbitrationStatus _status) internal _disputeData; | ||
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| constructor(IOracle _oracle) Module(_oracle) {} | ||
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| /// @inheritdoc IModule | ||
| function moduleName() external pure returns (string memory _moduleName) { | ||
| return 'ArbitratorModule'; | ||
| } | ||
|
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| /// @inheritdoc IArbitratorModule | ||
| function decodeRequestData(bytes calldata _data) public pure returns (RequestParameters memory _params) { | ||
| _params = abi.decode(_data, (RequestParameters)); | ||
| } | ||
|
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| /// @inheritdoc IArbitratorModule | ||
| function getStatus(bytes32 _disputeId) external view returns (ArbitrationStatus _disputeStatus) { | ||
| _disputeStatus = _disputeData[_disputeId]; | ||
| } | ||
|
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| /// @inheritdoc IArbitratorModule | ||
| function startResolution( | ||
| bytes32 _disputeId, | ||
| IOracle.Request calldata _request, | ||
| IOracle.Response calldata _response, | ||
| IOracle.Dispute calldata _dispute | ||
| ) external onlyOracle { | ||
| RequestParameters memory _params = decodeRequestData(_request.resolutionModuleData); | ||
| if (_params.arbitrator == address(0)) revert ArbitratorModule_InvalidArbitrator(); | ||
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| _disputeData[_disputeId] = ArbitrationStatus.Active; | ||
| IArbitrator(_params.arbitrator).resolve(_disputeId); | ||
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| emit ResolutionStarted(_dispute.requestId, _disputeId); | ||
| } | ||
|
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| /// @inheritdoc IArbitratorModule | ||
| function resolveDispute( | ||
| bytes32 _disputeId, | ||
| IOracle.Request calldata _request, | ||
| IOracle.Response calldata _response, | ||
| IOracle.Dispute calldata _dispute | ||
| ) external onlyOracle { | ||
| if (ORACLE.disputeStatus(_disputeId) != IOracle.DisputeStatus.Escalated) revert ArbitratorModule_InvalidDisputeId(); | ||
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| RequestParameters memory _params = decodeRequestData(_request.resolutionModuleData); | ||
| IOracle.DisputeStatus _status = IArbitrator(_params.arbitrator).getAnswer(_disputeId); | ||
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| if (_status <= IOracle.DisputeStatus.Escalated) revert ArbitratorModule_InvalidResolutionStatus(); | ||
| _disputeData[_disputeId] = ArbitrationStatus.Resolved; | ||
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| ORACLE.updateDisputeStatus(_request, _response, _dispute, _status); | ||
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| emit DisputeResolved(_dispute.requestId, _disputeId, _status); | ||
| } | ||
| } | ||
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Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,84 +1,106 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.19; | ||
|
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| import {IOracle} from '@defi-wonderland/prophet-core-contracts/solidity/interfaces/IOracle.sol'; | ||
| import {IResolutionModule} from | ||
| '@defi-wonderland/prophet-core-contracts/solidity/interfaces/modules/resolution/IResolutionModule.sol'; | ||
|
|
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| /* | ||
| * @title ArbitratorModule | ||
| * @notice Module allowing an external arbitrator contract | ||
| * to resolve a dispute. | ||
| */ | ||
| interface IArbitratorModule is IResolutionModule { | ||
| /*/////////////////////////////////////////////////////////////// | ||
| ERRORS | ||
| //////////////////////////////////////////////////////////////*/ | ||
|
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| /** | ||
| * @notice Thrown when an unauthorized caller calls a function only the arbitrator can call | ||
| */ | ||
| error ArbitratorModule_OnlyArbitrator(); | ||
|
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| /** | ||
| * @notice Thrown when trying to resolve a dispute that is not escalated | ||
| */ | ||
| error ArbitratorModule_InvalidDisputeId(); | ||
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| /** | ||
| * @notice Thrown when the arbitrator address is the address zero | ||
| */ | ||
| error ArbitratorModule_InvalidArbitrator(); | ||
|
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| /** | ||
| * @notice Thrown when the arbitrator returns an invalid resolution status | ||
| */ | ||
| error ArbitratorModule_InvalidResolutionStatus(); | ||
|
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| /*/////////////////////////////////////////////////////////////// | ||
| STRUCTS | ||
| //////////////////////////////////////////////////////////////*/ | ||
| /** | ||
| * @notice Parameters of the request as stored in the module | ||
| * @param arbitrator The address of the arbitrator | ||
| */ | ||
| struct RequestParameters { | ||
| address arbitrator; | ||
| } | ||
|
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| /*/////////////////////////////////////////////////////////////// | ||
| ENUMS | ||
| //////////////////////////////////////////////////////////////*/ | ||
|
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| /** | ||
| * @notice Available status of the arbitration process | ||
| */ | ||
| enum ArbitrationStatus { | ||
| Unknown, // The arbitration process has not started (default) | ||
| Active, // The arbitration process is active | ||
| Resolved // The arbitration process is resolved | ||
| } | ||
|
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| /*/////////////////////////////////////////////////////////////// | ||
| LOGIC | ||
| //////////////////////////////////////////////////////////////*/ | ||
|
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| /** | ||
| * @notice Returns the current arbitration status of a dispute | ||
| * @param _disputeId The ID of the dispute | ||
| * @return _disputeStatus The `ArbitrationStatus` of the dispute | ||
| */ | ||
| function getStatus(bytes32 _disputeId) external view returns (ArbitrationStatus _disputeStatus); | ||
|
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| /** | ||
| * @notice Starts the arbitration process by calling `resolve` on the | ||
| * arbitrator and flags the dispute as Active | ||
| * @dev Only callable by the Oracle | ||
| * @dev Will revert if the arbitrator address is the address zero | ||
| * @param _disputeId The ID of the dispute | ||
| */ | ||
| function startResolution( | ||
| bytes32 _disputeId, | ||
| IOracle.Request calldata _request, | ||
| IOracle.Response calldata _response, | ||
| IOracle.Dispute calldata _dispute | ||
| ) external; | ||
|
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| /** | ||
| * @notice Resolves the dispute by getting the answer from the arbitrator | ||
| * and updating the dispute status | ||
| * @dev Only callable by the Oracle | ||
| * @param _disputeId The ID of the dispute | ||
| */ | ||
| function resolveDispute( | ||
| bytes32 _disputeId, | ||
| IOracle.Request calldata _request, | ||
| IOracle.Response calldata _response, | ||
| IOracle.Dispute calldata _dispute | ||
| ) external; | ||
|
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| /** | ||
| * @notice Returns the decoded data for a request | ||
| * @param _data The encoded request parameters | ||
| * @return _params The struct containing the parameters for the request | ||
| */ | ||
| function decodeRequestData(bytes calldata _data) external view returns (RequestParameters memory _params); | ||
| } | ||
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