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nft_bot.js
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nft_bot.js
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const { ethers } = require("ethers");
const { getMethodData } = require("./etherscan");
const { Network, Alchemy } = require('alchemy-sdk');
// 微信机器�
const wechat = require("./wechat_api");
const settings = {
apiKey: "",
network: Network.ETH_MAINNET,
};
const alchemy = new Alchemy(settings);
async function sleep(ms) {
return new Promise((resolve) => setTimeout(resolve, ms));
}
// 验è¯åˆçº¦æ˜¯å¦ä¸ºERC721 ERC1155
async function verifyConstract2(tx, provider){
//let tokenType = alchemy.nft.getContractMetadata(tx);
alchemy.nft.getContractMetadata(tx.to)
.then(console.log);
//console.log(tokenType);
}
module.exports = class Watcher{
_options = {};
onMint = null;
_provider = null;
constructor(options) {
if (options) {
Object.assign(this._options, options);
}
}
_provider = new ethers.providers.AlchemyProvider(
"mainnet",
"ySSVjvQ8CsFvqxW6TAeDw14XlY9FpZOy"
);
async run() {
const queue = [];
this._provider.on(
[
ethers.utils.id("Transfer(address,address,uint256)"),
ethers.utils.hexZeroPad(ethers.constants.HashZero, 32),
],
(log) => {
if (log.topics.length == 4 && log.data == "0x") {
queue.push(log);
}
}
);
const CONTRACT_CACHE = {};
while (true) {
let log = queue.pop();
if (!log) {
await sleep(1000);
continue;
}
//if (this.onMint) {
try {
const tx = await this._provider.getTransaction(log.transactionHash);
//console.log(tx.value);
// åªèŽ·å–free mintçš„nft
if (tx.value.toBigInt() > 0) {
continue;
}
const address = tx.to; // tokenåˆçº¦
if (!(address in CONTRACT_CACHE)) {
CONTRACT_CACHE[address] = true;
// 获å–åˆçº¦metadata
let metadata = await alchemy.nft.getContractMetadata(tx.to);
if (metadata.tokenType == "ERC721" || metadata.tokenType === "ERC1155") {
let gasprice = await alchemy.core.getFeeData();
console.log(gasprice);
// åˆçº¦å‡½æ•°è°ƒç”¨æ•°æ®
let msg = "[Free Mint NFT]";
msg = msg + "\rName :" + metadata.name + "\r[address]:" + metadata.address;
msg = msg + "\rMint :https://etherscan.io/address/" + metadata.address + "#writeContract";
msg = msg + "\rOpensea :https://opensea.io/assets/ethereum/ethereum/" + metadata.address;
msg = msg + "\r-----------------------------------";
msg = msg + "\rgas : " + parseInt(gasprice.lastBaseFeePerGas/10**9) +" "+parseInt(gasprice.maxFeePerGas/10**9);
console.log(msg);
wechat.SendMsg(msg);
}
}
} catch (e) {
console.error("出现异常� + e);
}
//}
}
}
};