smom-dbis-138/contracts/emoney/interfaces/IRailTriggerRegistry.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import "../libraries/RailTypes.sol";

interface IRailTriggerRegistry {
    struct Trigger {
        uint256 id;
        RailTypes.Rail rail;
        bytes32 msgType; // e.g., "pacs.008", "pain.001"
        bytes32 accountRefId; // hashed account reference
        bytes32 walletRefId; // hashed wallet reference (optional)
        address token; // eMoney token
        uint256 amount;
        bytes32 currencyCode; // e.g., "USD", "EUR"
        bytes32 instructionId; // end-to-end trace id
        RailTypes.State state;
        uint64 createdAt;
        uint64 updatedAt;
    }

    function createTrigger(Trigger calldata t) external returns (uint256 id);

    function updateState(uint256 id, RailTypes.State newState, bytes32 reason) external;

    function getTrigger(uint256 id) external view returns (Trigger memory);

    function getTriggerByInstructionId(bytes32 instructionId) external view returns (Trigger memory);

    function triggerExists(uint256 id) external view returns (bool);

    function instructionIdExists(bytes32 instructionId) external view returns (bool);

    event TriggerCreated(
        uint256 indexed id,
        uint8 rail,
        bytes32 msgType,
        bytes32 instructionId,
        bytes32 accountRefId,
        address token,
        uint256 amount
    );

    event TriggerStateUpdated(uint256 indexed id, uint8 oldState, uint8 newState, bytes32 reason);
}