mirror of
https://github.com/Instadapp/dsa-connectors.git
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56 lines
2.0 KiB
Solidity
56 lines
2.0 KiB
Solidity
//SPDX-License-Identifier: MIT
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pragma solidity ^0.7.0;
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import { TokenInterface } from "./interfaces.sol";
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import { Stores } from "./stores.sol";
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import { DSMath } from "./math.sol";
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abstract contract Basic is DSMath, Stores {
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function convert18ToDec(uint _dec, uint256 _amt) internal pure returns (uint256 amt) {
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amt = (_amt / 10 ** (18 - _dec));
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}
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function convertTo18(uint _dec, uint256 _amt) internal pure returns (uint256 amt) {
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amt = mul(_amt, 10 ** (18 - _dec));
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}
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function getTokenBal(TokenInterface token) internal view returns(uint _amt) {
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_amt = address(token) == avaxAddr ? address(this).balance : token.balanceOf(address(this));
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}
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function getTokensDec(TokenInterface buyAddr, TokenInterface sellAddr) internal view returns(uint buyDec, uint sellDec) {
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buyDec = address(buyAddr) == avaxAddr ? 18 : buyAddr.decimals();
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sellDec = address(sellAddr) == avaxAddr ? 18 : sellAddr.decimals();
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}
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function encodeEvent(string memory eventName, bytes memory eventParam) internal pure returns (bytes memory) {
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return abi.encode(eventName, eventParam);
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}
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function approve(TokenInterface token, address spender, uint256 amount) internal {
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try token.approve(spender, amount) {
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} catch {
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token.approve(spender, 0);
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token.approve(spender, amount);
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}
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}
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function changeAvaxAddress(address buy, address sell) internal pure returns(TokenInterface _buy, TokenInterface _sell){
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_buy = buy == avaxAddr ? TokenInterface(wavaxAddr) : TokenInterface(buy);
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_sell = sell == avaxAddr ? TokenInterface(wavaxAddr) : TokenInterface(sell);
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}
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function convertAvaxToWavax(bool isAvax, TokenInterface token, uint amount) internal {
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if(isAvax) token.deposit{value: amount}();
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}
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function convertWavaxToAvax(bool isAvax, TokenInterface token, uint amount) internal {
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if(isAvax) {
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approve(token, address(token), amount);
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token.withdraw(amount);
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}
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}
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}
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