104 lines
2.5 KiB
Solidity
104 lines
2.5 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.19;
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/**
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* @title IPaymentChannelManager
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* @notice Interface for payment channel manager (open, update state, cooperative/unilateral close, challenge)
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*/
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interface IPaymentChannelManager {
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enum ChannelStatus {
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None,
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Open,
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Dispute,
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Closed
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}
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struct Channel {
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address participantA;
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address participantB;
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uint256 depositA;
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uint256 depositB;
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ChannelStatus status;
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uint256 disputeNonce;
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uint256 disputeBalanceA;
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uint256 disputeBalanceB;
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uint256 disputeDeadline;
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}
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event ChannelOpened(
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uint256 indexed channelId,
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address indexed participantA,
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address indexed participantB,
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uint256 depositA,
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uint256 depositB
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);
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event ChannelClosed(
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uint256 indexed channelId,
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uint256 balanceA,
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uint256 balanceB,
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bool cooperative
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);
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event ChallengeSubmitted(
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uint256 indexed channelId,
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uint256 nonce,
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uint256 balanceA,
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uint256 balanceB,
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uint256 newDeadline
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);
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event AdminChanged(address indexed newAdmin);
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event Paused();
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event Unpaused();
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event ChallengeWindowUpdated(uint256 oldWindow, uint256 newWindow);
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function openChannel(address participantB) external payable returns (uint256 channelId);
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function fundChannel(uint256 channelId) external payable;
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function closeChannelCooperative(
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uint256 channelId,
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uint256 nonce,
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uint256 balanceA,
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uint256 balanceB,
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uint8 vA,
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bytes32 rA,
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bytes32 sA,
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uint8 vB,
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bytes32 rB,
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bytes32 sB
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) external;
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function submitClose(
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uint256 channelId,
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uint256 nonce,
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uint256 balanceA,
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uint256 balanceB,
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uint8 vA,
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bytes32 rA,
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bytes32 sA,
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uint8 vB,
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bytes32 rB,
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bytes32 sB
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) external;
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function challengeClose(
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uint256 channelId,
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uint256 nonce,
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uint256 balanceA,
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uint256 balanceB,
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uint8 vA,
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bytes32 rA,
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bytes32 sA,
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uint8 vB,
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bytes32 rB,
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bytes32 sB
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) external;
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function finalizeClose(uint256 channelId) external;
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function getChannel(uint256 channelId) external view returns (Channel memory);
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function getChannelCount() external view returns (uint256);
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function getChannelId(address participantA, address participantB) external view returns (uint256);
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}
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