//SPDX-License-Identifier: MIT pragma solidity ^0.7.0; pragma experimental ABIEncoderV2; /** * @title Hop. * @dev Cross chain Bridge. */ import { TokenInterface, MemoryInterface } from "../../common/interfaces.sol"; import { Stores } from "../../common/stores.sol"; import "./interface.sol"; import "./helpers.sol"; import "./events.sol"; abstract contract Resolver is Helpers { /** * @dev Bridge Token. * @notice Bridge Token on HOP. * @param params BridgeParams struct for bridging * @param getId ID to retrieve amount from last spell. */ function bridge(BridgeParams memory params, uint256 getId) external payable returns (string memory _eventName, bytes memory _eventParam) { if (params.targetChainId == 1) { require( params.destinationAmountOutMin == 0, "destinationAmountOutMin != 0, sending to L1" ); require( params.destinationDeadline == 0, "destinationDeadline != 0, sending to L1" ); } params.amount = getUint(getId, params.amount); TokenInterface tokenContract = TokenInterface(params.token); if (params.token == wmaticAddr) { convertWmaticToMatic(true, tokenContract, params.amount); params.token = maticAddr; } bool isNative = params.token == maticAddr; if (isNative) { params.amount = params.amount == uint256(-1) ? address(this).balance : params.amount; } else { params.amount = params.amount == uint256(-1) ? tokenContract.balanceOf(address(this)) : params.amount; } _swapAndSend(params, isNative); _eventName = "LogBridge(address,uint256,address,uint256,uint256,uint256,uint256,uint256,uint256,uint256)"; _eventParam = abi.encode( params.token, params.targetChainId, params.recipient, params.amount, params.bonderFee, params.sourceAmountOutMin, params.sourceDeadline, params.destinationAmountOutMin, params.destinationDeadline, getId ); } } contract ConnectV2HopPolygon is Resolver { string public constant name = "Hop-v1.0"; }