//加载web3的库
const Web3 = require('web3');
require("dotenv").config();
//读取ERC20的ABI文件
const ifoAbi = require('./ABI/ifo.json');
const erc20Abi = require('./ABI/erc20.json');
//设置BSC的RPC链接
const rpcUrl = 'https://bsc-dataseed1.binance.org/';
const rpcWeb3 = new Web3(new Web3.providers.HttpProvider(rpcUrl));
let web3 = rpcWeb3;
const contractAddress = "0x63914805A0864e9557eA3A5cC86cc1BA054ec64b"
const tokenAddress = "0x0e09fabb73bd3ade0a17ecc321fd13a19e81ce82";
/**
* 查看是否有授权
* @param {*} tokenAddress 代币的合约
* @param {*} myAddress 钱包地址
* @param {*} spender 给予授权的地址
* @returns 是否授权
*/
const hasApproved = async (tokenAddress, myAddress, spender) => {
const tokenContract = new web3.eth.Contract(erc20Abi, tokenAddress);
return (await tokenContract.methods.allowance(myAddress, spender).call()) > 0 ? true : false;
}
/**
* 授权
* @param {*} tokenAddress 代币的合约
* @param {*} myAddress 钱包地址
* @param {*} spender 给予授权的地址
* @returns 授权结果
*/
const approve = (tokenAddress, myAddress, spender, depositAmount) => {
return new Promise(async (resolve, reject) => {
const tokenContract = new web3.eth.Contract(erc20Abi, tokenAddress);
let maxAmount = web3.utils.toWei(depositAmount.toString(), 'ether');
let nounce = await web3.eth.getTransactionCount(myAddress);
let data = await tokenContract.methods.approve(spender, maxAmount).encodeABI();
let gasPrice = await web3.eth.getGasPrice();
const gasLimit = 420000;
let tx = {
nounce,
gasPrice,
gasLimit,
to: tokenAddress,
value: web3.utils.toWei((0).toString(), 'Gwei'),
data
};
web3.eth.accounts.signTransaction(tx, process.env.PRIVATE_KEY).then(signed => {
web3.eth.sendSignedTransaction(signed.rawTransaction).on('receipt', receipt => {
if (receipt.status) {
console.log("Contract Approved");
resolve(true);
} else {
console.log("Contract not approved");
reject(false);
}
})
});
});
}
const depositToPool = async (myAddress, pid, depositAmount) => {
const contract = new web3.eth.Contract(ifoAbi, contractAddress);
let nounce = await web3.eth.getTransactionCount(myAddress);
// ifo info
const amount = new web3.utils.toBN(depositAmount * (10 ** 18));
let gasPrice = await web3.eth.getGasPrice();
const gasLimit = 420000;
const data = contract.methods.depositPool(amount, pid).encodeABI();
let tx = {
nounce,
gasPrice,
gasLimit,
to: contractAddress,
value: web3.utils.toWei((0).toString(), 'Gwei'),
data: data
};
web3.eth.accounts.signTransaction(tx, process.env.PRIVATE_KEY).then(signed => {
web3.eth.sendSignedTransaction(signed.rawTransaction).on('receipt', receipt => {
if (receipt.status) {
console.log("成功存入");
} else {
console.log(receipt);
}
})
});
};
const harvestPool = async (myAddress, pid) => {
const contract = new web3.eth.Contract(ifoAbi, contractAddress);
let nounce = await web3.eth.getTransactionCount(myAddress);
let gasPrice = await web3.eth.getGasPrice();
const gasLimit = 420000;
const data = contract.methods.harvestPool(pid).encodeABI();
let tx = {
nounce,
gasPrice,
gasLimit,
to: contractAddress,
value: web3.utils.toWei((0).toString(), 'Gwei'),
data: data
};
web3.eth.accounts.signTransaction(tx, process.env.PRIVATE_KEY).then(signed => {
web3.eth.sendSignedTransaction(signed.rawTransaction).on('receipt', receipt => {
if (receipt.status) {
console.log("收菜成功");
} else {
console.log(receipt);
}
})
});
};
async function getEndBlock() {
const contract = new web3.eth.Contract(ifoAbi, contractAddress);
let endBlock = await contract.methods.endBlock().call();
return endBlock;
}
async function getStartBlock() {
const contract = new web3.eth.Contract(ifoAbi, contractAddress);
let endBlock = await contract.methods.startBlock().call();
return endBlock;
}
const sleep = (milliseconds) => {
return new Promise(resolve => setTimeout(resolve, milliseconds))
}
async function main() {
let account = web3.eth.accounts.privateKeyToAccount(process.env.PRIVATE_KEY);
const depositAmount = 9.039; //存入池子的币的数量 基础池子最多$100 无限池子任意
const pid = 0;//0: 基础池子 1: 无限池子
let currentBlock = await web3.eth.getBlockNumber();
let startBlock = await getStartBlock();
let endBlock = await getEndBlock();
console.log(`IFO在第${startBlock}区块开始`)
while (currentBlock < startBlock) {
let diff = startBlock - currentBlock;
console.log(`还差${diff}块IFO才开始`);
currentBlock = await web3.eth.getBlockNumber();
await sleep(5000);
}
let isApprove = await hasApproved(tokenAddress, account.address, contractAddress);
if (!isApprove) {
await approve(tokenAddress, account.address, contractAddress, depositAmount);
}
// 存入币参与IFO
console.log("正在存入币...");
depositToPool(account.address, pid, depositAmount);
while (currentBlock < endBlock) {
let diff = endBlock - currentBlock;
console.log(`还差${diff}块才能领取IFO币`);
currentBlock = await web3.eth.getBlockNumber();
await sleep(5000);
}
console.log("正在领取IFO币")
//收菜
harvestPool(account.address, pid);
}
main();
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