mirror of
https://github.com/Instadapp/dsa-connectors.git
synced 2024-07-29 22:37:00 +00:00
Merge pull request #153 from Instadapp/uniswapv3-router
[mainnet] uniswap v3 auto router
This commit is contained in:
commit
af8ff0a769
|
@ -0,0 +1,12 @@
|
|||
pragma solidity ^0.7.0;
|
||||
|
||||
contract Events {
|
||||
event LogSwap(
|
||||
address indexed buyToken,
|
||||
address indexed sellToken,
|
||||
uint256 buyAmt,
|
||||
uint256 sellAmt,
|
||||
uint256 getId,
|
||||
uint256 setId
|
||||
);
|
||||
}
|
|
@ -0,0 +1,80 @@
|
|||
pragma solidity ^0.7.0;
|
||||
|
||||
import { TokenInterface } from "../../../common/interfaces.sol";
|
||||
import { DSMath } from "../../../common/math.sol";
|
||||
import { Basic } from "../../../common/basic.sol";
|
||||
import { SwapData } from "./interface.sol";
|
||||
|
||||
abstract contract Helpers is DSMath, Basic {
|
||||
/**
|
||||
* @dev UniswapV3 Swap Router Address
|
||||
*/
|
||||
address internal constant V3_SWAP_ROUTER_ADDRESS =
|
||||
0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45;
|
||||
|
||||
/**
|
||||
* @dev UniswapV3 swapHelper
|
||||
* @param swapData - Struct defined in interfaces.sol
|
||||
*/
|
||||
function _swapHelper(SwapData memory swapData)
|
||||
internal
|
||||
returns (uint256 buyAmt)
|
||||
{
|
||||
(uint256 _buyDec, uint256 _sellDec) = getTokensDec(
|
||||
swapData.buyToken,
|
||||
swapData.sellToken
|
||||
);
|
||||
uint256 _sellAmt18 = convertTo18(_sellDec, swapData._sellAmt);
|
||||
uint256 _slippageAmt = convert18ToDec(
|
||||
_buyDec,
|
||||
wmul(swapData.unitAmt, _sellAmt18)
|
||||
);
|
||||
|
||||
uint256 initalBal = getTokenBal(swapData.buyToken);
|
||||
|
||||
// solium-disable-next-line security/no-call-value
|
||||
(bool success, ) = V3_SWAP_ROUTER_ADDRESS.call(swapData.callData);
|
||||
if (!success) revert("uniswapV3-swap-failed");
|
||||
|
||||
uint256 finalBal = getTokenBal(swapData.buyToken);
|
||||
|
||||
buyAmt = sub(finalBal, initalBal);
|
||||
require(_slippageAmt <= buyAmt, "Too much slippage");
|
||||
}
|
||||
|
||||
/**
|
||||
* @dev Gets the swapping data from auto router sdk
|
||||
* @param swapData Struct with multiple swap data defined in interfaces.sol
|
||||
* @param setId Set token amount at this ID in `InstaMemory` Contract.
|
||||
*/
|
||||
function _swap(SwapData memory swapData, uint256 setId)
|
||||
internal
|
||||
returns (SwapData memory)
|
||||
{
|
||||
bool isEthSellToken = address(swapData.sellToken) == ethAddr;
|
||||
bool isEthBuyToken = address(swapData.buyToken) == ethAddr;
|
||||
|
||||
swapData.sellToken = isEthSellToken
|
||||
? TokenInterface(wethAddr)
|
||||
: swapData.sellToken;
|
||||
swapData.buyToken = isEthBuyToken
|
||||
? TokenInterface(wethAddr)
|
||||
: swapData.buyToken;
|
||||
|
||||
convertEthToWeth(isEthSellToken, swapData.sellToken, swapData._sellAmt);
|
||||
|
||||
approve(
|
||||
TokenInterface(swapData.sellToken),
|
||||
V3_SWAP_ROUTER_ADDRESS,
|
||||
swapData._sellAmt
|
||||
);
|
||||
|
||||
swapData._buyAmt = _swapHelper(swapData);
|
||||
|
||||
convertWethToEth(isEthBuyToken, swapData.buyToken, swapData._buyAmt);
|
||||
|
||||
setUint(setId, swapData._buyAmt);
|
||||
|
||||
return swapData;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,12 @@
|
|||
pragma solidity ^0.7.0;
|
||||
|
||||
import { TokenInterface } from "../../../common/interfaces.sol";
|
||||
|
||||
struct SwapData {
|
||||
TokenInterface sellToken;
|
||||
TokenInterface buyToken;
|
||||
uint256 _sellAmt;
|
||||
uint256 _buyAmt;
|
||||
uint256 unitAmt;
|
||||
bytes callData;
|
||||
}
|
64
contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
Normal file
64
contracts/mainnet/connectors/uniswap/v3_auto_router/main.sol
Normal file
|
@ -0,0 +1,64 @@
|
|||
pragma solidity ^0.7.0;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
/**
|
||||
* @title UniswapV3_autoRouter.
|
||||
* @dev DEX.
|
||||
*/
|
||||
|
||||
// import files from common directory
|
||||
import { TokenInterface, MemoryInterface } from "../../../common/interfaces.sol";
|
||||
import { Stores } from "../../../common/stores.sol";
|
||||
import { SwapData } from "./interface.sol";
|
||||
import { Helpers } from "./helpers.sol";
|
||||
import { Events } from "./events.sol";
|
||||
|
||||
abstract contract AutoRouter is Helpers, Events {
|
||||
/**
|
||||
* @dev Sell ETH/ERC20_Token using uniswap v3 auto router.
|
||||
* @notice Swap tokens from getting an optimized trade routes
|
||||
* @param buyAddr The address of the token to buy.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
|
||||
* @param sellAddr The address of the token to sell.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
|
||||
* @param sellAmt The amount of the token to sell.
|
||||
* @param unitAmt The amount of buyAmt/sellAmt with slippage.
|
||||
* @param callData Data from Uniswap V3 auto router SDK.
|
||||
* @param setId ID stores the amount of token brought.
|
||||
*/
|
||||
function sell(
|
||||
address buyAddr,
|
||||
address sellAddr,
|
||||
uint256 sellAmt,
|
||||
uint256 unitAmt,
|
||||
bytes calldata callData,
|
||||
uint256 setId
|
||||
)
|
||||
external
|
||||
payable
|
||||
returns (string memory _eventName, bytes memory _eventParam)
|
||||
{
|
||||
SwapData memory swapData = SwapData({
|
||||
buyToken: TokenInterface(buyAddr),
|
||||
sellToken: TokenInterface(sellAddr),
|
||||
unitAmt: unitAmt,
|
||||
callData: callData,
|
||||
_sellAmt: sellAmt,
|
||||
_buyAmt: 0
|
||||
});
|
||||
|
||||
swapData = _swap(swapData, setId);
|
||||
|
||||
_eventName = "LogSwap(address,address,uint256,uint256,uint256,uint256)";
|
||||
_eventParam = abi.encode(
|
||||
buyAddr,
|
||||
sellAddr,
|
||||
swapData._buyAmt,
|
||||
swapData._sellAmt,
|
||||
0,
|
||||
setId
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
contract ConnectV2UniswapV3AutoRouter is AutoRouter {
|
||||
string public name = "UniswapV3-Auto-Router-v1";
|
||||
}
|
|
@ -3,67 +3,86 @@ pragma solidity ^0.7.0;
|
|||
import { TokenInterface } from "../../../common/interfaces.sol";
|
||||
import { DSMath } from "../../../common/math.sol";
|
||||
import { Basic } from "../../../common/basic.sol";
|
||||
import {SwapData} from "./interface.sol";
|
||||
import { SwapData } from "./interface.sol";
|
||||
|
||||
abstract contract Helpers is DSMath, Basic {
|
||||
/**
|
||||
* @dev UniswapV3 Swap Router Address
|
||||
*/
|
||||
address internal constant V3_SWAP_ROUTER_ADDRESS = 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45;
|
||||
/**
|
||||
* @dev UniswapV3 Swap Router Address
|
||||
*/
|
||||
address internal constant V3_SWAP_ROUTER_ADDRESS =
|
||||
0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45;
|
||||
|
||||
/**
|
||||
* @dev UniswapV3 swapHelper
|
||||
* @param swapData - Struct defined in interfaces.sol
|
||||
*/
|
||||
function _swapHelper(
|
||||
SwapData memory swapData
|
||||
) internal returns (uint buyAmt) {
|
||||
|
||||
(uint _buyDec, uint _sellDec) = getTokensDec(swapData.buyToken, swapData.sellToken);
|
||||
uint _sellAmt18 = convertTo18(_sellDec, swapData._sellAmt);
|
||||
uint _slippageAmt = convert18ToDec(_buyDec, wmul(swapData.unitAmt, _sellAmt18));
|
||||
/**
|
||||
* @dev UniswapV3 swapHelper
|
||||
* @param swapData - Struct defined in interfaces.sol
|
||||
*/
|
||||
function _swapHelper(SwapData memory swapData)
|
||||
internal
|
||||
returns (uint256 buyAmt)
|
||||
{
|
||||
(uint256 _buyDec, uint256 _sellDec) = getTokensDec(
|
||||
swapData.buyToken,
|
||||
swapData.sellToken
|
||||
);
|
||||
uint256 _sellAmt18 = convertTo18(_sellDec, swapData._sellAmt);
|
||||
uint256 _slippageAmt = convert18ToDec(
|
||||
_buyDec,
|
||||
wmul(swapData.unitAmt, _sellAmt18)
|
||||
);
|
||||
|
||||
uint initalBal = getTokenBal(swapData.buyToken);
|
||||
uint256 initalBal = getTokenBal(swapData.buyToken);
|
||||
|
||||
// solium-disable-next-line security/no-call-value
|
||||
(bool success, ) = V3_SWAP_ROUTER_ADDRESS.call(swapData.callData);
|
||||
if (!success) revert("uniswapV3-swap-failed");
|
||||
// solium-disable-next-line security/no-call-value
|
||||
(bool success, ) = V3_SWAP_ROUTER_ADDRESS.call(swapData.callData);
|
||||
if (!success) revert("uniswapV3-swap-failed");
|
||||
|
||||
uint finalBal = getTokenBal(swapData.buyToken);
|
||||
uint256 finalBal = getTokenBal(swapData.buyToken);
|
||||
|
||||
buyAmt = sub(finalBal, initalBal);
|
||||
require(_slippageAmt <= buyAmt, "Too much slippage");
|
||||
buyAmt = sub(finalBal, initalBal);
|
||||
require(_slippageAmt <= buyAmt, "Too much slippage");
|
||||
}
|
||||
|
||||
}
|
||||
/**
|
||||
* @dev Gets the swapping data from auto router sdk
|
||||
* @param swapData Struct with multiple swap data defined in interfaces.sol
|
||||
* @param setId Set token amount at this ID in `InstaMemory` Contract.
|
||||
*/
|
||||
function _swap(SwapData memory swapData, uint256 setId)
|
||||
internal
|
||||
returns (SwapData memory)
|
||||
{
|
||||
bool isMaticSellToken = address(swapData.sellToken) == maticAddr;
|
||||
bool isMaticBuyToken = address(swapData.buyToken) == maticAddr;
|
||||
|
||||
/**
|
||||
* @dev Gets the swapping data from auto router sdk
|
||||
* @param swapData Struct with multiple swap data defined in interfaces.sol
|
||||
* @param setId Set token amount at this ID in `InstaMemory` Contract.
|
||||
*/
|
||||
function _swap(
|
||||
SwapData memory swapData,
|
||||
uint setId
|
||||
) internal returns (SwapData memory) {
|
||||
swapData.sellToken = isMaticSellToken
|
||||
? TokenInterface(wmaticAddr)
|
||||
: swapData.sellToken;
|
||||
swapData.buyToken = isMaticBuyToken
|
||||
? TokenInterface(wmaticAddr)
|
||||
: swapData.buyToken;
|
||||
|
||||
bool isMaticSellToken = address(swapData.sellToken) == maticAddr;
|
||||
bool isMaticBuyToken = address(swapData.buyToken) == maticAddr;
|
||||
convertMaticToWmatic(
|
||||
isMaticSellToken,
|
||||
swapData.sellToken,
|
||||
swapData._sellAmt
|
||||
);
|
||||
|
||||
swapData.sellToken = isMaticSellToken ? TokenInterface(wmaticAddr) : swapData.sellToken;
|
||||
swapData.buyToken = isMaticBuyToken ? TokenInterface(wmaticAddr) : swapData.buyToken;
|
||||
approve(
|
||||
TokenInterface(swapData.sellToken),
|
||||
V3_SWAP_ROUTER_ADDRESS,
|
||||
swapData._sellAmt
|
||||
);
|
||||
|
||||
convertMaticToWmatic(isMaticSellToken, swapData.sellToken, swapData._sellAmt);
|
||||
swapData._buyAmt = _swapHelper(swapData);
|
||||
|
||||
approve(TokenInterface(swapData.sellToken), V3_SWAP_ROUTER_ADDRESS, swapData._sellAmt);
|
||||
|
||||
swapData._buyAmt = _swapHelper(swapData);
|
||||
convertWmaticToMatic(
|
||||
isMaticBuyToken,
|
||||
swapData.buyToken,
|
||||
swapData._buyAmt
|
||||
);
|
||||
|
||||
convertWmaticToMatic(isMaticBuyToken,swapData.buyToken,swapData._buyAmt);
|
||||
setUint(setId, swapData._buyAmt);
|
||||
|
||||
setUint(setId, swapData._buyAmt);
|
||||
|
||||
return swapData;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
return swapData;
|
||||
}
|
||||
}
|
||||
|
|
308
test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
Normal file
308
test/mainnet/uniswapV3Router/uniswapV3Router.test.ts
Normal file
|
@ -0,0 +1,308 @@
|
|||
import hre from "hardhat";
|
||||
import { expect } from "chai";
|
||||
const { ethers } = hre; //check
|
||||
import { BigNumber } from "bignumber.js";
|
||||
import { deployAndEnableConnector } from "../../../scripts/tests/deployAndEnableConnector";
|
||||
import { buildDSAv2 } from "../../../scripts/tests/buildDSAv2";
|
||||
import { encodeSpells } from "../../../scripts/tests/encodeSpells";
|
||||
import { getMasterSigner } from "../../../scripts/tests/getMasterSigner";
|
||||
import { addresses } from "../../../scripts/tests/mainnet/addresses";
|
||||
import { addLiquidity } from "../../../scripts/tests/addLiquidity";
|
||||
import { abis } from "../../../scripts/constant/abis";
|
||||
import { ConnectV2UniswapV3AutoRouter__factory } from "../../../typechain";
|
||||
import er20abi from "../../../scripts/constant/abi/basics/erc20.json";
|
||||
import type { Signer, Contract } from "ethers";
|
||||
import { CurrencyAmount, Token, TradeType, Currency, Percent } from "@uniswap/sdk-core";
|
||||
import { AlphaRouter } from "@uniswap/smart-order-router";
|
||||
const provider = new ethers.providers.JsonRpcProvider(process.env.ETH_NODE_URL);
|
||||
const router = new AlphaRouter({ chainId: 1, provider: provider });
|
||||
|
||||
describe("Auto Router", function () {
|
||||
const connectorName = "Auto-Router-test";
|
||||
|
||||
let dsaWallet0: Contract;
|
||||
let wallet0: Signer, wallet1: Signer;
|
||||
let masterSigner: Signer;
|
||||
let instaConnectorsV2: Contract;
|
||||
let connector: Contract;
|
||||
|
||||
// @ts-ignore
|
||||
const provider = new ethers.providers.JsonRpcProvider(hre.config.networks.hardhat.forking.url);
|
||||
const router = new AlphaRouter({ chainId: 1, provider });
|
||||
|
||||
before(async () => {
|
||||
await hre.network.provider.request({
|
||||
method: "hardhat_reset",
|
||||
params: [
|
||||
{
|
||||
forking: {
|
||||
// @ts-ignore
|
||||
jsonRpcUrl: hre.config.networks.hardhat.forking.url
|
||||
}
|
||||
}
|
||||
]
|
||||
});
|
||||
[wallet0, wallet1] = await ethers.getSigners();
|
||||
|
||||
masterSigner = await getMasterSigner();
|
||||
instaConnectorsV2 = await ethers.getContractAt(abis.core.connectorsV2, addresses.core.connectorsV2);
|
||||
connector = await deployAndEnableConnector({
|
||||
connectorName,
|
||||
contractArtifact: ConnectV2UniswapV3AutoRouter__factory,
|
||||
signer: masterSigner,
|
||||
connectors: instaConnectorsV2
|
||||
});
|
||||
console.log("Connector address", connector.address);
|
||||
});
|
||||
|
||||
it("Should have contracts deployed.", async function () {
|
||||
expect(!!instaConnectorsV2.address).to.be.true;
|
||||
expect(!!connector.address).to.be.true;
|
||||
expect(!!(await masterSigner.getAddress())).to.be.true;
|
||||
});
|
||||
|
||||
describe("DSA wallet setup", function () {
|
||||
it("Should build DSA v2", async function () {
|
||||
dsaWallet0 = await buildDSAv2(await wallet0.getAddress());
|
||||
expect(!!dsaWallet0.address).to.be.true;
|
||||
});
|
||||
|
||||
it("Deposit ETH and DAI into DSA wallet", async function () {
|
||||
await wallet0.sendTransaction({
|
||||
to: dsaWallet0.address,
|
||||
value: ethers.utils.parseEther("10")
|
||||
});
|
||||
await addLiquidity("dai", dsaWallet0.address, ethers.utils.parseEther("5000"));
|
||||
// console.log(dsaWallet0.address);
|
||||
const daiToken = await ethers.getContractAt(
|
||||
er20abi,
|
||||
"0x6b175474e89094c44da98b954eedeac495271d0f" // dai address
|
||||
);
|
||||
|
||||
expect(await daiToken.balanceOf(dsaWallet0.address)).to.be.gte(10);
|
||||
expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(ethers.utils.parseEther("10"));
|
||||
});
|
||||
});
|
||||
|
||||
describe("Main", function () {
|
||||
it("should swap the tokens ", async function () {
|
||||
const buyTokenAddress = "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"; //usdc
|
||||
const sellTokenAddress = "0x6b175474e89094c44da98b954eedeac495271d0f"; //dai
|
||||
const sellTokenDecimals = 18;
|
||||
const buyTokenDecimals = 6;
|
||||
const amount = 1;
|
||||
|
||||
const srcAmount = new BigNumber(amount).times(new BigNumber(10).pow(sellTokenDecimals)).toFixed(0);
|
||||
const sellToken = new Token(1, sellTokenAddress, sellTokenDecimals);
|
||||
const buyToken = new Token(1, buyTokenAddress, buyTokenDecimals);
|
||||
const daiAmount = CurrencyAmount.fromRawAmount(sellToken, srcAmount);
|
||||
|
||||
const deadline = 1696000000 // Fri Sep 29 2023 15:06:40 GMT+0000
|
||||
const route = await router.route(daiAmount, buyToken , TradeType.EXACT_INPUT, {
|
||||
recipient: dsaWallet0.address,
|
||||
slippageTolerance: new Percent(5, 100),
|
||||
deadline
|
||||
});
|
||||
|
||||
const calldata = route?.methodParameters?.calldata;
|
||||
|
||||
const _buyAmount = route?.quote.toFixed();
|
||||
const buyTokenAmount = new BigNumber(String(_buyAmount)).times(new BigNumber(10).pow(buyTokenDecimals)).toFixed(0);
|
||||
|
||||
|
||||
function caculateUnitAmt(
|
||||
buyAmount: any,
|
||||
sellAmount: any,
|
||||
buyDecimal: any,
|
||||
sellDecimal: any,
|
||||
maxSlippage: any
|
||||
) {
|
||||
let unitAmt: any;
|
||||
unitAmt = new BigNumber(buyAmount)
|
||||
.dividedBy(10 ** buyDecimal)
|
||||
.dividedBy(new BigNumber(sellAmount).dividedBy(10 ** sellDecimal));
|
||||
unitAmt = unitAmt.multipliedBy((100 - maxSlippage) / 100);
|
||||
unitAmt = unitAmt.multipliedBy(1e18).toFixed(0);
|
||||
return unitAmt;
|
||||
}
|
||||
|
||||
const unitAmt = caculateUnitAmt(
|
||||
buyTokenAmount,
|
||||
srcAmount,
|
||||
buyTokenDecimals,
|
||||
sellTokenDecimals,
|
||||
1
|
||||
);
|
||||
const spells = [
|
||||
{
|
||||
connector: connectorName,
|
||||
method: "sell",
|
||||
args: [buyTokenAddress, sellTokenAddress, srcAmount, unitAmt, calldata, 0]
|
||||
}
|
||||
];
|
||||
|
||||
const buyTokenContract = await ethers.getContractAt(
|
||||
er20abi,
|
||||
buyTokenAddress,
|
||||
);
|
||||
|
||||
const initialBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
|
||||
|
||||
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), await wallet1.getAddress());
|
||||
const receipt = await tx.wait();
|
||||
|
||||
const finalBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
|
||||
|
||||
|
||||
expect(finalBuyTokenBalance).to.be.gt(initialBuyTokenBalance);
|
||||
});
|
||||
|
||||
it("should swap the tokens when selltoken is eth in the spell", async function () {
|
||||
const buyTokenAddress = "0x6b175474e89094c44da98b954eedeac495271d0f"; //dai
|
||||
const sellTokenAddress = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE"; //eth
|
||||
const sellTokenDecimals = 18;
|
||||
const buyTokenDecimals = 18;
|
||||
const amount = 1;
|
||||
|
||||
const wethAddr = "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2";
|
||||
|
||||
const srcAmount = new BigNumber(amount).times(new BigNumber(10).pow(sellTokenDecimals)).toFixed(0);
|
||||
const sellToken = new Token(1, wethAddr, sellTokenDecimals);
|
||||
const buyToken = new Token(1, buyTokenAddress, buyTokenDecimals);
|
||||
const sellAmount = CurrencyAmount.fromRawAmount(sellToken, srcAmount);
|
||||
|
||||
const deadline = 1696000000 // Fri Sep 29 2023 15:06:40 GMT+0000
|
||||
const route = await router.route(sellAmount, buyToken, TradeType.EXACT_INPUT, {
|
||||
recipient: dsaWallet0.address,
|
||||
slippageTolerance: new Percent(5, 100),
|
||||
deadline
|
||||
});
|
||||
|
||||
const calldata = route?.methodParameters?.calldata;
|
||||
|
||||
const _buyAmount = route?.quote.toFixed();
|
||||
const buyTokenAmount = new BigNumber(String(_buyAmount)).times(new BigNumber(10).pow(buyTokenDecimals)).toFixed(0);
|
||||
|
||||
|
||||
function caculateUnitAmt(
|
||||
buyAmount: any,
|
||||
sellAmount: any,
|
||||
buyDecimal: any,
|
||||
sellDecimal: any,
|
||||
maxSlippage: any
|
||||
) {
|
||||
let unitAmt: any;
|
||||
unitAmt = new BigNumber(buyAmount)
|
||||
.dividedBy(10 ** buyDecimal)
|
||||
.dividedBy(new BigNumber(sellAmount).dividedBy(10 ** sellDecimal));
|
||||
unitAmt = unitAmt.multipliedBy((100 - maxSlippage) / 100);
|
||||
unitAmt = unitAmt.multipliedBy(1e18).toFixed(0);
|
||||
return unitAmt;
|
||||
}
|
||||
|
||||
const unitAmt = caculateUnitAmt(
|
||||
buyTokenAmount,
|
||||
srcAmount,
|
||||
buyTokenDecimals,
|
||||
sellTokenDecimals,
|
||||
1
|
||||
);
|
||||
|
||||
const spells = [
|
||||
{
|
||||
connector: connectorName,
|
||||
method: "sell",
|
||||
args: [buyTokenAddress, sellTokenAddress, srcAmount, unitAmt, calldata, 0]
|
||||
}
|
||||
];
|
||||
|
||||
const buyTokenContract = await ethers.getContractAt(
|
||||
er20abi,
|
||||
buyTokenAddress,
|
||||
);
|
||||
|
||||
const initialBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
|
||||
|
||||
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), await wallet1.getAddress());
|
||||
const receipt = await tx.wait();
|
||||
|
||||
const finalBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
|
||||
|
||||
|
||||
expect(finalBuyTokenBalance).to.be.gt(initialBuyTokenBalance);
|
||||
});
|
||||
|
||||
it("should swap the tokens when buytoken is weth in the spell", async function () {
|
||||
const buyTokenAddress = "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"; // weth
|
||||
const sellTokenAddress = "0x6b175474e89094c44da98b954eedeac495271d0f"; // dai
|
||||
const sellTokenDecimals = 18;
|
||||
const buyTokenDecimals = 18;
|
||||
const amount = 4000;
|
||||
|
||||
const srcAmount = new BigNumber(amount).times(new BigNumber(10).pow(sellTokenDecimals)).toFixed(0);
|
||||
const sellToken = new Token(1, sellTokenAddress, sellTokenDecimals);
|
||||
const buyToken = new Token(1, buyTokenAddress, buyTokenDecimals);
|
||||
const daiAmount = CurrencyAmount.fromRawAmount(sellToken, srcAmount);
|
||||
|
||||
const deadline = 1696000000 // Fri Sep 29 2023 15:06:40 GMT+0000
|
||||
const route = await router.route(daiAmount, buyToken , TradeType.EXACT_INPUT, {
|
||||
recipient: dsaWallet0.address,
|
||||
slippageTolerance: new Percent(5, 100),
|
||||
deadline
|
||||
});
|
||||
|
||||
const calldata = route?.methodParameters?.calldata;
|
||||
|
||||
const _buyAmount = route?.quote.toFixed();
|
||||
const buyTokenAmount = new BigNumber(String(_buyAmount)).times(new BigNumber(10).pow(buyTokenDecimals)).toFixed(0);
|
||||
|
||||
|
||||
function caculateUnitAmt(
|
||||
buyAmount: any,
|
||||
sellAmount: any,
|
||||
buyDecimal: any,
|
||||
sellDecimal: any,
|
||||
maxSlippage: any
|
||||
) {
|
||||
let unitAmt: any;
|
||||
unitAmt = new BigNumber(buyAmount)
|
||||
.dividedBy(10 ** buyDecimal)
|
||||
.dividedBy(new BigNumber(sellAmount).dividedBy(10 ** sellDecimal));
|
||||
unitAmt = unitAmt.multipliedBy((100 - maxSlippage) / 100);
|
||||
unitAmt = unitAmt.multipliedBy(1e18).toFixed(0);
|
||||
return unitAmt;
|
||||
}
|
||||
|
||||
const unitAmt = caculateUnitAmt(
|
||||
buyTokenAmount,
|
||||
srcAmount,
|
||||
buyTokenDecimals,
|
||||
sellTokenDecimals,
|
||||
1
|
||||
);
|
||||
|
||||
const spells = [
|
||||
{
|
||||
connector: connectorName,
|
||||
method: "sell",
|
||||
args: [buyTokenAddress, sellTokenAddress, srcAmount, unitAmt, calldata, 0]
|
||||
}
|
||||
];
|
||||
|
||||
const buyTokenContract = await ethers.getContractAt(
|
||||
er20abi,
|
||||
buyTokenAddress,
|
||||
);
|
||||
|
||||
const initialBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
|
||||
|
||||
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), await wallet1.getAddress());
|
||||
const receipt = await tx.wait();
|
||||
|
||||
const finalBuyTokenBalance = await buyTokenContract.balanceOf(dsaWallet0.address)
|
||||
|
||||
|
||||
expect(finalBuyTokenBalance).to.be.gt(initialBuyTokenBalance);
|
||||
});
|
||||
});
|
||||
});
|
Loading…
Reference in New Issue
Block a user