mirror of
https://github.com/Instadapp/dsa-connectors.git
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93 lines
2.5 KiB
Solidity
93 lines
2.5 KiB
Solidity
//SPDX-License-Identifier: MIT
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pragma solidity ^0.7.6;
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pragma experimental ABIEncoderV2;
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/**
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* @title Socket.
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* @dev Multi-chain Bridge Aggregator.
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*/
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import { Basic } from "../../common/basic.sol";
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import { TokenInterface } from "../../common/interfaces.sol";
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import "./events.sol";
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import "./interface.sol";
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abstract contract SocketConnectorBridge is Basic {
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address constant registry = 0xc30141B657f4216252dc59Af2e7CdB9D8792e1B0;
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/**
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* @dev socket API bridge handler
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* @param _txData - contains data returned from socket build-tx API. Struct defined in interfaces.sol
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* @param _ethAmt - Eth to bridge for .value()
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*/
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function socketBridge(
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bytes memory _txData,
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uint _ethAmt
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) internal returns (bool _success) {
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(_success, ) = registry.call{value: _ethAmt}(_txData);
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require(_success, "Socket-swap-failed");
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}
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}
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abstract contract SocketConnectorResolver is SocketConnectorBridge {
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/**
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* @dev Gets Allowance target from registry.
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* @param _route route number
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*/
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function getAllowanceTarget(uint _route) internal view returns (address _allowanceTarget) {
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ISocketRegistry.RouteData memory data = ISocketRegistry(registry).routes(_route);
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return data.route;
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}
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}
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abstract contract SocketConnector is SocketConnectorResolver {
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/**
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* @dev Bridge Token.
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* @notice Bridge Token on Socket.
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* @param _token token address on source chain
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* @param _txData tx data for calling
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* @param _route route number
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* @param _amount amount to bridge
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* @param _sourceChain Source chain id
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* @param _targetChain Source chain id
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* @param _recipient address of recipient
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*/
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function bridge (
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address _token,
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bytes memory _txData,
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uint256 _route,
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uint256 _amount,
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uint256 _targetChain,
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address _recipient
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)
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external payable returns (string memory _eventName, bytes memory _eventParam)
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{
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uint _ethAmt;
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if(_token == ethAddr) {
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_ethAmt = _amount;
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} else {
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TokenInterface _tokenContract = TokenInterface(_token);
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_tokenContract.approve(getAllowanceTarget(_route), _amount);
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}
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socketBridge(_txData, _ethAmt);
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_eventName = "LogSocketBridge(address,uint256,uint256,uint256,address)";
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_eventParam = abi.encode(
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_token,
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_amount,
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_sourceChain,
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_targetChain,
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_recipient
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);
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}
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}
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contract ConnectV2Socket is SocketConnector {
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string public constant name = "Socket-v1.0";
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}
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