metahash-js-example.js

// step 0: npm i metahash-js

// step 1: create file index.js
const MetaHash = require('metahash-js');

{ // create key
    const Wallet = MetaHash.Wallet;
    const wallet = new Wallet();
    console.log('you new metahash key', {
        address: wallet.address,
        publicKey: wallet.publicKey,
        privateKey: wallet.privateKey
    })
}

{ // using api
    const API = MetaHash.API;
    const api = new API();
    const address = '0x00fa2a5279f8f0fd2f0f9d3280ad70403f01f9d62f52373833';

    api.fetchBalance({ address: address }).then((result) => {
        console.log('fetchBalance', result);
    });

    api.fetchHistory({ address: address, countTxs: 5 }).then((result) => {
        console.log('fetchHistory', result);
    });

    api.getTx({ hash: '7f75fdfba4bc2fe674b37d4730533edf9cb047f1f93b4f6687f4cab819eb88b6' }).then((result) => {
        console.log('getTx', result);
    });
    
    api.fetchBalance({ address: address }).then((result) => {
        const currentBalance = (result.received - result.spent) / 1e6;
        console.log('current balance', { currentBalance });
    });
}

// step 2: node index.js