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Added WETH Arbitrum connector

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This commit is contained in:
Thrilok Kumar 2021-09-24 01:44:28 +05:30
parent fc24c73b55
commit 2788906002
3 changed files with 79 additions and 0 deletions
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6
contracts/arbitrum/connectors/weth/events.sol Normal file
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pragma solidity ^0.7.0;
contract Events {
event LogDeposit(uint256 tokenAmt, uint256 getId, uint256 setId);
event LogWithdraw(uint256 tokenAmt, uint256 getId, uint256 setId);
}

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contracts/arbitrum/connectors/weth/helpers.sol Normal file
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pragma solidity ^0.7.0;
import { TokenInterface } from "../../common/interfaces.sol";
abstract contract Helpers {
TokenInterface constant internal wethContract = TokenInterface(0x82aF49447D8a07e3bd95BD0d56f35241523fBab1);
}

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contracts/arbitrum/connectors/weth/main.sol Normal file
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pragma solidity ^0.7.0;
/**
* @title WETH.
* @dev Wrap and Unwrap WETH.
*/
import { DSMath } from "../../common/math.sol";
import { Basic } from "../../common/basic.sol";
import { Events } from "./events.sol";
import { Helpers } from "./helpers.sol";
abstract contract Resolver is Events, DSMath, Basic, Helpers {
/**
* @dev Deposit ETH into WETH.
* @notice Wrap ETH into WETH
* @param amt The amount of ETH to deposit. (For max: `uint256(-1)`)
* @param getId ID to retrieve amt.
* @param setId ID stores the amount of ETH deposited.
*/
function deposit(
uint256 amt,
uint256 getId,
uint256 setId
) public payable returns (string memory _eventName, bytes memory _eventParam) {
uint _amt = getUint(getId, amt);
_amt = _amt == uint(-1) ? address(this).balance : _amt;
wethContract.deposit{value: _amt}();
setUint(setId, _amt);
_eventName = "LogDeposit(uint256,uint256,uint256)";
_eventParam = abi.encode(_amt, getId, setId);
}
/**
* @dev Withdraw ETH from WETH from Smart Account
* @notice Unwrap ETH from WETH
* @param amt The amount of weth to withdraw. (For max: `uint256(-1)`)
* @param getId ID to retrieve amt.
* @param setId ID stores the amount of ETH withdrawn.
*/
function withdraw(
uint amt,
uint getId,
uint setId
) public payable returns (string memory _eventName, bytes memory _eventParam) {
uint _amt = getUint(getId, amt);
_amt = _amt == uint(-1) ? wethContract.balanceOf(address(this)) : _amt;
approve(wethContract, wethAddr, _amt);
wethContract.withdraw(_amt);
setUint(setId, _amt);
_eventName = "LogWithdraw(uint256,uint256,uint256)";
_eventParam = abi.encode(_amt, getId, setId);
}
}
contract ConnectV2WETHArbitrum is Resolver {
string constant public name = "WETH-v1.0";
}