const Web3 = require('web3');
const express = require('express');
const bodyParser = require('body-parser');

const app = express();
const web3 = new Web3('http://localhost:8545'); // כתובת הנוד שלך

app.use(bodyParser.json());

// יצירת ארנק חדש
app.post('/createWallet', (req, res) => {
    const account = web3.eth.accounts.create();
    res.json({
        address: account.address,
        privateKey: account.privateKey
    });
});

// קבלת יתרה של כתובת
app.get('/balance/:address', async (req, res) => {
    const balance = await web3.eth.getBalance(req.params.address);
    res.json({ balance: web3.utils.fromWei(balance, 'ether') });
});

// שליחת טרנזקציה
app.post('/sendTransaction', async (req, res) => {
    const { from, to, amount, privateKey } = req.body;

    const signedTx = await web3.eth.accounts.signTransaction({
        from,
        to,
        value: web3.utils.toWei(amount, 'ether'),
        gas: 2000000
    }, privateKey);

    const receipt = await web3.eth.sendSignedTransaction(signedTx.rawTransaction);
    res.json({ receipt });
});

app.listen(3000, () => {
    console.log('Server running on port 3000');
});

curl -X POST http://localhost:3000/createWallet