dsa-connectors/contracts/avalanche/connectors/approve-tokens/main.sol
2023-04-14 15:31:53 +04:00

37 lines
1.3 KiB
Solidity

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "./events.sol";
import "./interface.sol";
contract ApproveTokensResolver is Events {
using SafeERC20 for IERC20;
IAvoFactory public constant AVO_FACTORY = IAvoFactory(0x3AdAE9699029AB2953F607AE1f62372681D35978);
function approveTokens(
address[] calldata tokens,
uint256[] calldata amounts
) public returns (string memory _eventName, bytes memory _eventParam) {
require(tokens.length == amounts.length, "array-length-mismatch");
address avocadoAddress = AVO_FACTORY.computeAddress(msg.sender);
for (uint256 i = 0; i < tokens.length; i++) {
uint256 allowanceAmount =
amounts[i] == type(uint256).max
? IERC20(tokens[i]).balanceOf(address(this))
: amounts[i];
IERC20(tokens[i]).safeApprove(avocadoAddress, allowanceAmount);
}
_eventName = "LogApproveTokens(address[],uint256[])";
_eventParam = abi.encode(tokens, amounts);
}
}
contract ConnectV2ApproveTokensAvalanche is ApproveTokensResolver {
string constant public name = "ApproveTokens-v1";
}