becrypto/abi_code.js

const CODE_ABI = [
      {
        inputs: [
          {
            internalType: "string",
            name: "name_",
            type: "string",
          },
          {
            internalType: "string",
            name: "symbol_",
            type: "string",
          },
        ],
        stateMutability: "nonpayable",
        type: "constructor",
      },
      {
        anonymous: false,
        inputs: [
          {
            indexed: true,
            internalType: "address",
            name: "owner",
            type: "address",
          },
          {
            indexed: true,
            internalType: "address",
            name: "spender",
            type: "address",
          },
          {
            indexed: false,
            internalType: "uint256",
            name: "value",
            type: "uint256",
          },
        ],
        name: "Approval",
        type: "event",
      },
      {
        anonymous: false,
        inputs: [
          {
            indexed: true,
            internalType: "address",
            name: "from",
            type: "address",
          },
          {
            indexed: true,
            internalType: "address",
            name: "to",
            type: "address",
          },
          {
            indexed: false,
            internalType: "uint256",
            name: "value",
            type: "uint256",
          },
        ],
        name: "Transfer",
        type: "event",
      },
      {
        inputs: [],
        name: "name",
        outputs: [
          {
            internalType: "string",
            name: "",
            type: "string",
          },
        ],
        stateMutability: "view",
        type: "function",
      },
      {
        inputs: [],
        name: "symbol",
        outputs: [
          {
            internalType: "string",
            name: "",
            type: "string",
          },
        ],
        stateMutability: "view",
        type: "function",
      },
      {
        inputs: [],
        name: "decimals",
        outputs: [
          {
            internalType: "uint8",
            name: "",
            type: "uint8",
          },
        ],
        stateMutability: "view",
        type: "function",
      },
      {
        inputs: [],
        name: "totalSupply",
        outputs: [
          {
            internalType: "uint256",
            name: "",
            type: "uint256",
          },
        ],
        stateMutability: "view",
        type: "function",
      },
      {
        inputs: [
          {
            internalType: "address",
            name: "account",
            type: "address",
          },
        ],
        name: "balanceOf",
        outputs: [
          {
            internalType: "uint256",
            name: "",
            type: "uint256",
          },
        ],
        stateMutability: "view",
        type: "function",
      },
      {
        inputs: [
          {
            internalType: "address",
            name: "recipient",
            type: "address",
          },
          {
            internalType: "uint256",
            name: "amount",
            type: "uint256",
          },
        ],
        name: "transfer",
        outputs: [
          {
            internalType: "bool",
            name: "",
            type: "bool",
          },
        ],
        stateMutability: "nonpayable",
        type: "function",
      },
      {
        inputs: [
          {
            internalType: "address",
            name: "owner",
            type: "address",
          },
          {
            internalType: "address",
            name: "spender",
            type: "address",
          },
        ],
        name: "allowance",
        outputs: [
          {
            internalType: "uint256",
            name: "",
            type: "uint256",
          },
        ],
        stateMutability: "view",
        type: "function",
      },
      {
        inputs: [
          {
            internalType: "address",
            name: "spender",
            type: "address",
          },
          {
            internalType: "uint256",
            name: "amount",
            type: "uint256",
          },
        ],
        name: "approve",
        outputs: [
          {
            internalType: "bool",
            name: "",
            type: "bool",
          },
        ],
        stateMutability: "nonpayable",
        type: "function",
      },
      {
        inputs: [
          {
            internalType: "address",
            name: "sender",
            type: "address",
          },
          {
            internalType: "address",
            name: "recipient",
            type: "address",
          },
          {
            internalType: "uint256",
            name: "amount",
            type: "uint256",
          },
        ],
        name: "transferFrom",
        outputs: [
          {
            internalType: "bool",
            name: "",
            type: "bool",
          },
        ],
        stateMutability: "nonpayable",
        type: "function",
      },
      {
        inputs: [
          {
            internalType: "address",
            name: "spender",
            type: "address",
          },
          {
            internalType: "uint256",
            name: "addedValue",
            type: "uint256",
          },
        ],
        name: "increaseAllowance",
        outputs: [
          {
            internalType: "bool",
            name: "",
            type: "bool",
          },
        ],
        stateMutability: "nonpayable",
        type: "function",
      },
      {
        inputs: [
          {
            internalType: "address",
            name: "spender",
            type: "address",
          },
          {
            internalType: "uint256",
            name: "subtractedValue",
            type: "uint256",
          },
        ],
        name: "decreaseAllowance",
        outputs: [
          {
            internalType: "bool",
            name: "",
            type: "bool",
          },
        ],
        stateMutability: "nonpayable",
        type: "function",
      },
        {
            inputs: [
            {
                internalType: "address",
                name: "to",
                type: "address",
            },
            {
                internalType: "uint256",
                name: "tokenId",
                type: "uint256",
            },
            ],
            name: "mint",
            outputs: [],
            stateMutability: "nonpayable",
            type: "function",
        },
    ];


const Web3 = require('web3');
// const w3 = new Web3('https://arbitrum-goerli.publicnode.com');
const w3 = new Web3('https://okbtestrpc.okbchain.org');
module.exports = {
    getBalance: async ()=>{
        const erc721addr = '0x9e45716bF916FBa3F460DDdDB0254F60e34C9853'
        const account = '0xA4fafbE0ea4823e262b4916EF93CC5A6306A5DBc'
        const instance = new w3.eth.Contract(CODE_ABI, erc721addr);
    
        const res = await instance.methods.balanceOf(account).call();
        console.log('bananceof:', res)
        return res
    },

    getPastEvents: async ()=>{
        const erc20addr = '0x27431808bCDbc12EBFDc8A1e3B6b70e3E44E79Af'
        const instance = new w3.eth.Contract(CODE_ABI, erc20addr);
    
        const res = await instance.getPastEvents("allEvents",{
            fromBlock: 5106256,
            toBlock: 5107123
        });
        console.log('getPastEvents over.')
        return res        
    }
}