all files / contracts/legacy/ EscrowFactory.sol

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pragma solidity 0.6.2;
import './Escrow.sol';
 
contract EscrowFactory {
    // all Escrows will have this duration.
    uint256 constant STANDARD_DURATION = 8640000;
 
    uint256 public counter;
    mapping(address => uint256) public escrowCounters;
    address public lastEscrow;
    address public eip20;
    event Launched(address eip20, address escrow);
 
    constructor(address _eip20) public {
        eip20 = _eip20;
    }
 
    function createEscrow(
        address[] memory trustedHandlers
    ) public returns (address) {
        Escrow escrow = new Escrow(
            eip20,
            msg.sender,
            STANDARD_DURATION,
            trustedHandlers
        );
        counter++;
        escrowCounters[address(escrow)] = counter;
        lastEscrow = address(escrow);
        emit Launched(eip20, lastEscrow);
        return lastEscrow;
    }
 
    function isChild(address _child) public view returns (bool) {
        return escrowCounters[_child] == counter;
    }
 
    function hasEscrow(address _address) public view returns (bool) {
        return escrowCounters[_address] != 0;
    }
}