pancakeswap的IFO脚本抢购（多号）

// testnet
// const rpcUrl = "https://data-seed-prebsc-1-s1.binance.org:8545"

// mainnet
const rpcUrl = "https://bsc-dataseed1.ninicoin.io"

const Tx = require(ethereumjs-tx);
const Web3 = require(web3)
const web3 = new Web3(rpcUrl)

// Contract
const abi = require(../abi/cakeIFOInitializable.json)
const contractAddress = "0xFDFf29dD0b4DD49Bf5E991A30b8593eaA34B4580"
const contract = new web3.eth.Contract(
	abi,
	contractAddress
)

// account
const pvt = require(../pvt.json);
const count = pvt.length;

// ifo info
const amount = new web3.utils.toBN(5.42888 * (10 ** 18));
const pid = 0;

for (let i = 0; i < count; ++ i) {
          
   
	const pvtLine = pvt[i].split($);
	const account = pvtLine[0];
	const accountPvt = pvtLine[1];
	const usePvt = Buffer.from(accountPvt, hex);
	const data = contract.methods.depositPool(amount, pid).encodeABI();

	contract.methods.depositPool(amount, pid).estimateGas({
          
   
		from: account,
	})
		.then(gasLimit => {
          
   
			web3.eth.getTransactionCount(account, (err, txCount) => {
          
   
				// create transaction object
				const txObject = {
          
   
					nonce: web3.utils.toHex(txCount),
					gasLimit: web3.utils.toHex(gasLimit),
					gasPrice: web3.utils.toHex(web3.utils.toWei(16, gwei)),
					to: contractAddress,
					data: data
				}
		
				// sign the transaction
				const tx = new Tx(txObject);
				tx.sign(usePvt);
				const serializedTx = tx.serialize()
				const raw = 0x + serializedTx.toString(hex)

				// console.log(gasLimit)
				// Broodcast the transaction
				web3.eth.sendSignedTransaction(raw, (err, txHash) => {
          
   
					if (err) {
          
   
						console.log(`[Failured] ${
            
     account}`);
					} else {
          
   
						console.log(`[ACCOUNT] ${
            
     account}`)
						console.log(`[OK] SCAN URL: https://bscscan.com/tx/${
            
     txHash}`)
					}
				}) 
			})
		})
}

用pvt.json文件保存多个地址/私钥，实现多账号同时抢购，其中amount记得按照最终分得的份额比例替换，如果这个值出错会被拒绝。