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https://github.com/Instadapp/dsa-connectors.git
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Merge pull request #164 from Instadapp/1inch-Avalanche
[Avalanche] Created 1inch connector
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commit
fcb4cfb1ec
12
contracts/avalanche/connectors/1inch-v4/events.sol
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12
contracts/avalanche/connectors/1inch-v4/events.sol
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@ -0,0 +1,12 @@
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pragma solidity ^0.7.0;
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contract Events {
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event LogSell(
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address indexed buyToken,
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address indexed sellToken,
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uint256 buyAmt,
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uint256 sellAmt,
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uint256 getId,
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uint256 setId
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);
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}
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13
contracts/avalanche/connectors/1inch-v4/helpers.sol
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13
contracts/avalanche/connectors/1inch-v4/helpers.sol
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pragma solidity ^0.7.0;
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import { TokenInterface } from "../../common/interfaces.sol";
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import { DSMath } from "../../common/math.sol";
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import { Basic } from "../../common/basic.sol";
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abstract contract Helpers is DSMath, Basic {
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/**
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* @dev 1Inch Address
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*/
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address internal constant oneInchAddr = 0x1111111254fb6c44bAC0beD2854e76F90643097d;
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}
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30
contracts/avalanche/connectors/1inch-v4/interface.sol
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30
contracts/avalanche/connectors/1inch-v4/interface.sol
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pragma solidity ^0.7.0;
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import { TokenInterface } from "../../common/interfaces.sol";
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interface OneInchInterace {
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function swap(
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TokenInterface fromToken,
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TokenInterface toToken,
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uint256 fromTokenAmount,
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uint256 minReturnAmount,
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uint256 guaranteedAmount,
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address payable referrer,
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address[] calldata callAddresses,
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bytes calldata callDataConcat,
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uint256[] calldata starts,
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uint256[] calldata gasLimitsAndValues
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)
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external
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payable
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returns (uint256 returnAmount);
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}
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struct OneInchData {
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TokenInterface sellToken;
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TokenInterface buyToken;
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uint _sellAmt;
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uint _buyAmt;
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uint unitAmt;
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bytes callData;
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}
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111
contracts/avalanche/connectors/1inch-v4/main.sol
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111
contracts/avalanche/connectors/1inch-v4/main.sol
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@ -0,0 +1,111 @@
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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/**
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* @title 1InchV4.
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* @dev On-chain DEX Aggregator.
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*/
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// import files from common directory
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import { TokenInterface , MemoryInterface } from "../../common/interfaces.sol";
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import { Stores } from "../../common/stores.sol";
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import { OneInchInterace, OneInchData } from "./interface.sol";
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import { Helpers } from "./helpers.sol";
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import { Events } from "./events.sol";
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abstract contract OneInchResolver is Helpers, Events {
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/**
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* @dev 1inch API swap handler
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* @param oneInchData - contains data returned from 1inch API. Struct defined in interfaces.sol
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* @param avaxAmt - Avax to swap for .value()
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*/
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function oneInchSwap(
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OneInchData memory oneInchData,
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uint avaxAmt
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) internal returns (uint buyAmt) {
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TokenInterface buyToken = oneInchData.buyToken;
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(uint _buyDec, uint _sellDec) = getTokensDec(buyToken, oneInchData.sellToken);
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uint _sellAmt18 = convertTo18(_sellDec, oneInchData._sellAmt);
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uint _slippageAmt = convert18ToDec(_buyDec, wmul(oneInchData.unitAmt, _sellAmt18));
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uint initalBal = getTokenBal(buyToken);
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// solium-disable-next-line security/no-call-value
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(bool success, ) = oneInchAddr.call{value: avaxAmt}(oneInchData.callData);
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if (!success) revert("1Inch-swap-failed");
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uint finalBal = getTokenBal(buyToken);
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buyAmt = sub(finalBal, initalBal);
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require(_slippageAmt <= buyAmt, "Too much slippage");
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}
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}
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abstract contract OneInchResolverHelpers is OneInchResolver {
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/**
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* @dev Gets the swapping data from 1inch's API.
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* @param oneInchData Struct with multiple swap data defined in interfaces.sol
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* @param setId Set token amount at this ID in `InstaMemory` Contract.
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*/
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function _sell(
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OneInchData memory oneInchData,
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uint setId
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) internal returns (OneInchData memory) {
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TokenInterface _sellAddr = oneInchData.sellToken;
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uint avaxAmt;
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if (address(_sellAddr) == avaxAddr) {
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avaxAmt = oneInchData._sellAmt;
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} else {
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approve(TokenInterface(_sellAddr), oneInchAddr, oneInchData._sellAmt);
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}
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oneInchData._buyAmt = oneInchSwap(oneInchData, avaxAmt);
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setUint(setId, oneInchData._buyAmt);
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return oneInchData;
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}
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}
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abstract contract OneInch is OneInchResolverHelpers {
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/**
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* @dev Sell Avax/ERC20_Token using 1Inch.
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* @notice Swap tokens from exchanges like kyber, 0x etc, with calculation done off-chain.
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* @param buyAddr The address of the token to buy.(For Avax: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAddr The address of the token to sell.(For Avax: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAmt The amount of the token to sell.
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* @param unitAmt The amount of buyAmt/sellAmt with slippage.
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* @param callData Data from 1inch API.
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* @param setId ID stores the amount of token brought.
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*/
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function sell(
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address buyAddr,
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address sellAddr,
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uint sellAmt,
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uint unitAmt,
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bytes calldata callData,
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uint setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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OneInchData memory oneInchData = OneInchData({
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buyToken: TokenInterface(buyAddr),
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sellToken: TokenInterface(sellAddr),
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unitAmt: unitAmt,
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callData: callData,
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_sellAmt: sellAmt,
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_buyAmt: 0
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});
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oneInchData = _sell(oneInchData, setId);
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_eventName = "LogSell(address,address,uint256,uint256,uint256,uint256)";
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_eventParam = abi.encode(buyAddr, sellAddr, oneInchData._buyAmt, oneInchData._sellAmt, 0, setId);
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}
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}
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contract ConnectV2OneInchV4Avalanche is OneInch {
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string public name = "1Inch-v4";
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}
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@ -109,7 +109,6 @@ const config: HardhatUserConfig = {
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forking: {
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url: String(getNetworkUrl(String(process.env.networkType))),
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},
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gasPrice: 25000000000,
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},
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mainnet: createConfig("mainnet"),
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polygon: createConfig("polygon"),
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160
test/avalanche/1inch/oneInch.test.ts
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160
test/avalanche/1inch/oneInch.test.ts
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import hre from "hardhat";
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import axios from "axios";
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import { expect } from "chai";
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const { ethers } = hre; //check
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import { BigNumber } from "bignumber.js";
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import { deployAndEnableConnector } from "../../../scripts/tests/deployAndEnableConnector";
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import { buildDSAv2 } from "../../../scripts/tests/buildDSAv2";
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import { encodeSpells } from "../../../scripts/tests/encodeSpells";
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import { getMasterSigner } from "../../../scripts/tests/getMasterSigner";
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import { addresses } from "../../../scripts/tests/avalanche/addresses";
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import { abis } from "../../../scripts/constant/abis";
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import {ConnectV2OneInchV4Avalanche__factory } from "../../../typechain";
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import er20abi from "../../../scripts/constant/abi/basics/erc20.json";
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import type { Signer, Contract } from "ethers";
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describe("1Inch", function() {
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const connectorName = "1inch-connector-test";
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let dsaWallet0: Contract;
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let wallet0: Signer, wallet1: Signer;
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let masterSigner: Signer;
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let instaConnectorsV2: Contract;
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let connector: Contract;
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before(async () => {
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await hre.network.provider.request({
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method: "hardhat_reset",
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params: [
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{
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forking: {
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// @ts-ignore
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jsonRpcUrl: hre.config.networks.hardhat.forking.url,
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},
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},
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],
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});
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[wallet0, wallet1] = await ethers.getSigners();
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masterSigner = await getMasterSigner();
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instaConnectorsV2 = await ethers.getContractAt(
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abis.core.connectorsV2,
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addresses.core.connectorsV2
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);
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connector = await deployAndEnableConnector({
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connectorName,
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contractArtifact: ConnectV2OneInchV4Avalanche__factory,
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signer: masterSigner,
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connectors: instaConnectorsV2,
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});
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console.log("Connector address", connector.address);
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});
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it("Should have contracts deployed.", async function() {
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expect(!!instaConnectorsV2.address).to.be.true;
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expect(!!connector.address).to.be.true;
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expect(!!(await masterSigner.getAddress())).to.be.true;
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});
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describe("DSA wallet setup", function() {
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it("Should build DSA v2", async function() {
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dsaWallet0 = await buildDSAv2(await wallet0.getAddress());
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expect(!!dsaWallet0.address).to.be.true;
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});
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it("Deposit avax into DSA wallet", async function() {
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await wallet0.sendTransaction({
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to: dsaWallet0.address,
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value: ethers.utils.parseEther("10"),
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});
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expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(
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ethers.utils.parseEther("10")
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);
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});
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});
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describe("Main", function() {
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it("should swap the tokens", async function() {
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let buyTokenAmount: any;
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async function getArg() {
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// const slippage = 0.5;
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/* avax -> dai */
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const sellTokenAddress = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE"; // avax, decimals 18
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const sellTokenDecimals = 18;
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const buyTokenAddress = "0xd586e7f844cea2f87f50152665bcbc2c279d8d70"; // dai, decimals 18
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const buyTokenDecimals = 18;
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const amount = 1;
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const srcAmount = new BigNumber(amount)
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.times(new BigNumber(10).pow(sellTokenDecimals))
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.toFixed(0);
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let url = `https://api.1inch.exchange/v4.0/43114/swap`;
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const params = {
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toTokenAddress: buyTokenAddress,
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fromTokenAddress: sellTokenAddress,
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amount: "1000000000000000000", // Always denominated in wei
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fromAddress: dsaWallet0.address,
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slippage:1
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};
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const response = await axios
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.get(url, { params: params })
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.then((data: any) => data);
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buyTokenAmount = response.data.toTokenAmount;
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const calldata = response.data.tx.data;
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let caculateUnitAmt = () => {
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const buyTokenAmountRes = new BigNumber(buyTokenAmount)
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.dividedBy(new BigNumber(10).pow(buyTokenDecimals))
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.toFixed(8);
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let unitAmt: any = new BigNumber(buyTokenAmountRes).dividedBy(
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new BigNumber(amount)
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);
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unitAmt = unitAmt.multipliedBy((100 - 0.3) / 100);
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unitAmt = unitAmt.multipliedBy(1e18).toFixed(0);
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return unitAmt;
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};
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let unitAmt = caculateUnitAmt();
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return [
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buyTokenAddress,
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sellTokenAddress,
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srcAmount,
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unitAmt,
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calldata,
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0,
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];
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}
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let arg = await getArg();
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const spells = [
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{
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connector: connectorName,
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method: "sell",
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args: arg,
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},
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];
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const tx = await dsaWallet0
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.connect(wallet0)
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.cast(...encodeSpells(spells), await wallet1.getAddress());
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const receipt = await tx.wait();
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const daiToken = await ethers.getContractAt(
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er20abi,
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"0x8f3Cf7ad23Cd3CaDbD9735AFf958023239c6A063" // dai address
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);
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expect(await daiToken.balanceOf(dsaWallet0.address)).to.be.gte(
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buyTokenAmount
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);
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expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.lte(
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ethers.utils.parseEther("9")
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);
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});
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});
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});
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