lkt/liquidity.mjs

import base, { ChainId } from "iziswap-sdk/lib/base/index.js";
import Web3 from "web3";
import { BigNumber } from "bignumber.js";
import quoter from "iziswap-sdk/lib/quoter/index.js";
import swap from "iziswap-sdk/lib/swap/index.js";
import token from "iziswap-sdk/lib/base/token/index.js";
import liquidityManager from "iziswap-sdk/lib/liquidityManager/index.js";
import pool from "iziswap-sdk/lib/pool/index.js";
import { Wallet, Provider } from "zksync-web3";

const chainId = base.ChainId.ZkSyncAlphaTest;
const rpc = "https://zksync2-testnet.zksync.dev/";
const walletAddress = "0x93626e5d46772652a8100a3ffc34d7bad8b29e00";
const privateKey = "0xd768b0b3f8dedcb465ad680268453391f7da6ec4e1942a13fdfcdea8773aab3e";
const quoterAddress = "0xE93D1d35a63f7C6b51ef46a27434375761a7Db28";
const swapAddress = "0x3040EE148D09e5B92956a64CDC78b49f48C0cDdc";
const toTokenAddress = "0xA5900cce51c45Ab9730039943B3863C822342034";
const liquidityManagerAddress = "0x25727b360604E1e6B440c3B25aF368F54fc580B6";
const tokenAAddress = "0x00";
const tokenBAddress = "0xA5900cce51c45Ab9730039943B3863C822342034";

const provider = new Provider(rpc);
const wallet = new Wallet(privateKey).connect(provider);
const chain = base.initialChainTable[chainId];
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 liquidityManagerContract = liquidityManager.getLiquidityManagerContract(liquidityManagerAddress, web3);
console.log("liquidity manager address: ", liquidityManagerAddress);

const tokenA = base.getGasToken(chainId);
console.log("tokenA: ", tokenA);
const tokenB = await token.fetchToken(tokenBAddress, chain, web3);
console.log("tokenB: ", tokenB);

const fee = 2000; // 2000 means 0.2%
const poolAddress = await liquidityManager.getPoolAddress(liquidityManagerContract, tokenA, tokenB, fee);
console.log("pool address: ", poolAddress);

const poolContract = pool.getPoolContract(poolAddress, web3);
const state = await pool.getPoolState(poolContract);
console.log("pool state: ", state);
const currentPrice = base.point2PriceDecimal(tokenA, tokenB, state.currentPoint);
console.log("current price: ", currentPrice);

const point1 = base.priceDecimal2Point(
    tokenA,
    tokenB,
    currentPrice * 0.98,
    base.PriceRoundingType.PRICE_ROUNDING_NEAREST
);
const point2 = base.priceDecimal2Point(
    tokenA,
    tokenB,
    currentPrice * 1.02,
    base.PriceRoundingType.PRICE_ROUNDING_NEAREST
);
console.log("point range", point1, point2);
let leftPoint = Math.min(point1, point2);
let rightPoint = Math.max(point1, point2);
const pointDelta = await pool.getPointDelta(poolContract);
console.log("point delta: ", pointDelta);
leftPoint = base.pointDeltaRoundingDown(leftPoint, pointDelta);
rightPoint = base.pointDeltaRoundingUp(rightPoint, pointDelta);

const maxTestA = new BigNumber(0.0005).times(10 ** tokenA.decimal);
const maxTestB = liquidityManager.calciZiLiquidityAmountDesired(
    leftPoint,
    rightPoint,
    state.currentPoint,
    maxTestA,
    true,
    tokenA,
    tokenB
);
const mintParams = {
    tokenA: tokenA,
    tokenB: tokenB,
    fee,
    leftPoint,
    rightPoint,
    maxAmountA: maxTestA.toFixed(0),
    maxAmountB: maxTestB.toFixed(0),
    minAmountA: maxTestA.times(0.985).toFixed(0),
    minAmountB: maxTestB.times(0.985).toFixed(0),
};
console.log(JSON.stringify(mintParams, null, 4));
console.log(base.amount2Decimal(new BigNumber(maxTestB), tokenB));

const gasPrice = "5000000000";
const { mintCalling, options } = liquidityManager.getMintCall(
    liquidityManagerContract,
    account.address,
    chain,
    mintParams
);
let calling = mintCalling;
if (calling instanceof Array) {
    calling = liquidityManagerContract.methods.multicall(mintCalling);
}
console.log({ ...options, from: account.address });
const gasLimit = await calling.estimateGas({ from: account.address });
console.log("gas limit: ", gasLimit);

// sign transaction
const tx = await wallet.sendTransaction({
    from: options.from,
    value: Web3.utils.numberToHex(options.value),
    to: liquidityManagerAddress,
    data: calling.encodeABI(),
    gasLimit,
});
console.log("tx: ", tx);