lkt/burn.mjs

import Web3, { eth } from "web3";
import { BigNumber } from "bignumber.js";
import { Wallet, Provider } from "zksync-web3";
import SyncSwapPoolAbi from "./SyncSwapClassicPool.json" assert { type: "json" };
import SyncSwapPoolFactoryAbi from "./SyncSwapClassicPoolFactory.json" assert { type: "json" };
import SyncSwapRouterAbi from "./SyncSwapRouter.json" assert { type: "json" };
import { ethers } from "ethers";

const rpc = "https://zksync2-testnet.zksync.dev/";
const walletAddress = "0x93626e5d46772652a8100a3ffc34d7bad8b29e00";
const privateKey = "0xd768b0b3f8dedcb465ad680268453391f7da6ec4e1942a13fdfcdea8773aab3e";
const poolFactoryAddress = "0xf2FD2bc2fBC12842aAb6FbB8b1159a6a83E72006";
const routerAddress = "0xB3b7fCbb8Db37bC6f572634299A58f51622A847e";
const wethAddress = "0x20b28b1e4665fff290650586ad76e977eab90c5d";
const usdcAddress = "0x0faF6df7054946141266420b43783387A78d82A9";

const provider = new Provider(rpc);
const wallet = new Wallet(privateKey).connect(provider);
console.log("rpc: ", rpc);
const web3 = new Web3(new Web3.providers.HttpProvider(rpc));
const account = web3.eth.accounts.privateKeyToAccount(privateKey);
console.log("address: ", account.address);

const poolFactory = new web3.eth.Contract(SyncSwapPoolFactoryAbi, poolFactoryAddress);
const poolAddress = await poolFactory.methods.getPool(wethAddress, usdcAddress).call();
console.log("poolAddress: ", poolAddress);

const pool = new web3.eth.Contract(SyncSwapPoolAbi, poolAddress);
const liquidity = await pool.methods.balanceOf(walletAddress).call();
console.log("liquidity: ", liquidity);

const router = new web3.eth.Contract(SyncSwapRouterAbi, routerAddress);
const burnLiquiditySingle = router.methods.burnLiquiditySingle(
    poolAddress,
    liquidity,
    ethers.utils.defaultAbiCoder.encode(
        ["uint256", "uint256", "uint8"],
        [ethers.constants.AddressZero, walletAddress, "0"]
    ),
    "0",
    ethers.constants.AddressZero,
    "0x"
);
const gasLimit = await burnLiquiditySingle.estimateGas({
    from: walletAddress,
});
console.log("gasLimit: ", gasLimit);
const tx = await wallet.sendTransaction({
    // from: wallet.address,
    to: routerAddress,
    data: burnLiquiditySingle.encodeABI(),
    gasLimit,
});
console.log("tx: ", tx);