RSC_PaymentEscrow

{{
  "language": "Solidity",
  "sources": {
    "src/RSC_PaymentEscrow.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import {Ownable} from "./utils/Ownable.sol";
import {ReentrancyGuard} from "./utils/ReentrancyGuard.sol";
import {IERC20} from "./interfaces/IERC20.sol";

/// @title RSC_PaymentEscrow
/// @notice Simple ETH/ERC20 escrow with deposit, release, refund and disputes
contract RSC_PaymentEscrow is Ownable, ReentrancyGuard {
    struct Deal {
        address payer;
        address payee;
        address token; // address(0) for ETH
        uint256 amount;
        bool released;
        bool refunded;
    }

    uint256 public dealCount;
    mapping(uint256 => Deal) public deals;

    event DealCreated(uint256 indexed id, address indexed payer, address indexed payee, address token, uint256 amount);
    event Released(uint256 indexed id, address indexed to);
    event Refunded(uint256 indexed id, address indexed to);

    function createEthDeal(address payee) external payable nonReentrant returns (uint256 id) {
        require(payee != address(0), "payee=0");
        require(msg.value > 0, "no eth");
        id = ++dealCount;
        deals[id] = Deal({payer: msg.sender, payee: payee, token: address(0), amount: msg.value, released: false, refunded: false});
        emit DealCreated(id, msg.sender, payee, address(0), msg.value);
    }

    function createErc20Deal(address payee, address token, uint256 amount) external nonReentrant returns (uint256 id) {
        require(payee != address(0) && token != address(0) && amount > 0, "bad args");
        bool ok = IERC20(token).transferFrom(msg.sender, address(this), amount);
        require(ok, "erc20 xferFrom");
        id = ++dealCount;
        deals[id] = Deal({payer: msg.sender, payee: payee, token: token, amount: amount, released: false, refunded: false});
        emit DealCreated(id, msg.sender, payee, token, amount);
    }

    function release(uint256 id) external nonReentrant {
        Deal storage d = deals[id];
        require(!d.released && !d.refunded, "done");
        require(msg.sender == d.payer || msg.sender == owner, "noauth");
        d.released = true;
        if (d.token == address(0)) {
            (bool ok, ) = d.payee.call{value: d.amount}("");
            require(ok, "eth xfer");
        } else {
            bool ok2 = IERC20(d.token).transfer(d.payee, d.amount);
            require(ok2, "erc20 xfer");
        }
        emit Released(id, d.payee);
    }

    function refund(uint256 id) external nonReentrant {
        Deal storage d = deals[id];
        require(!d.released && !d.refunded, "done");
        require(msg.sender == d.payee || msg.sender == owner, "noauth");
        d.refunded = true;
        if (d.token == address(0)) {
            (bool ok, ) = d.payer.call{value: d.amount}("");
            require(ok, "eth xfer");
        } else {
            require(IERC20(d.token).transfer(d.payer, d.amount), "erc20 xfer");
        }
        emit Refunded(id, d.payer);
    }
}


"
    },
    "src/utils/Ownable.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

/// @title Minimal Ownable utility
abstract contract Ownable {
    error NotOwner();

    address public owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor() {
        owner = msg.sender;
        emit OwnershipTransferred(address(0), msg.sender);
    }

    modifier onlyOwner() {
        if (msg.sender != owner) revert NotOwner();
        _;
    }

    function transferOwnership(address newOwner) external onlyOwner {
        require(newOwner != address(0), "Owner=zero");
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
    }
}


"
    },
    "src/utils/ReentrancyGuard.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

abstract contract ReentrancyGuard {
    uint256 private _status;
    error Reentrancy();

    constructor() {
        _status = 1;
    }

    modifier nonReentrant() {
        if (_status != 1) revert Reentrancy();
        _status = 2;
        _;
        _status = 1;
    }
}


"
    },
    "src/interfaces/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address to, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address from, address to, uint256 amount) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}
"
    }
  },
  "settings": {
    "remappings": [
      "forge-std/=lib/forge-std/src/",
      "reactive-lib/=lib/reactive-lib/src/"
    ],
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "metadata": {
      "useLiteralContent": false,
      "bytecodeHash": "ipfs",
      "appendCBOR": true
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "evmVersion": "cancun",
    "viaIR": true
  }
}}