Create PiWalletPro.js - Kelas Utama Dompet

PiWalletPro.js - Kelas Utama Dompet

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+// Import dependencies
+const bitcoin = require('bitcoinjs-lib');
+const bip39 = require('bip39');
+const { BIP32Factory } = require('bip32');
+const ecc = require('tiny-secp256k1');
+const axios = require('axios');
+const crypto = require('crypto');
+
+// Initialize BIP32 with ECC
+const bip32 = BIP32Factory(ecc);
+
+// PiWallet Pro class
+class PiWalletPro {
+    constructor() {
+        this.assets = [
+            { name: 'Pi Coin', balance: 100, symbol: 'PI' },
+            { name: 'Bitcoin', balance: 0.5, symbol: 'BTC' },
+        ];
+        this.secretKey = crypto.randomBytes(32).toString('hex'); // Random encryption key for sensitive data
+    }
+
+    // Generate a multi-signature address
+    createMultiSigAddress(pubKeys, m) {
+        const { address } = bitcoin.payments.p2sh({
+            redeem: bitcoin.payments.p2ms({ m, pubkeys: pubKeys.map(hex => Buffer.from(hex, 'hex')) }),
+        });
+        return address;
+    }
+
+    // Create a new HD Wallet with encryption
+    async createHDWallet(password) {
+        const mnemonic = bip39.generateMnemonic();
+        const seed = await bip39.mnemonicToSeed(mnemonic);
+        const root = bip32.fromSeed(seed);
+        const child = root.derivePath("m/44'/0'/0'/0/0");
+        const address = bitcoin.payments.p2pkh({ pubkey: child.publicKey }).address;
+
+        // Encrypt mnemonic
+        const encryptedMnemonic = this.encryptData(mnemonic, password);
+
+        return { encryptedMnemonic, address };
+    }
+
+    // Encrypt data
+    encryptData(data, password) {
+        const cipher = crypto.createCipher('aes-256-cbc', password);
+        let encrypted = cipher.update(data, 'utf8', 'hex');
+        encrypted += cipher.final('hex');
+        return encrypted;
+    }
+
+    // Decrypt data
+    decryptData(encryptedData, password) {
+        const decipher = crypto.createDecipher('aes-256-cbc', password);
+        let decrypted = decipher.update(encryptedData, 'hex', 'utf8');
+        decrypted += decipher.final('utf8');
+        return decrypted;
+    }
+
+    // Simulated biometric authentication
+    authenticateWithBiometrics(callback) {
+        console.log("Authenticating...");
+        setTimeout(() => {
+            const success = true;
+            if (success) {
+                callback(true);
+            } else {
+                callback(false);
+            }
+        }, 1000);
+    }
+
+    // Retrieve balance for a specific asset
+    getAssetBalance(symbol) {
+        const asset = this.assets.find(a => a.symbol === symbol);
+        return asset ? asset.balance : 0;
+    }
+
+    // Send a transaction using the Pi Network API
+    async sendTransaction(to, amount, token) {
+        try {
+            const response = await axios.post('https://api.pinetwork.com/transaction', {
+                to,
+                amount,
+                currency: 'PI'
+            }, {
+                headers: { Authorization: `Bearer ${token}` }
+            });
+            console.log("Transaction successful:", response.data);
+            return response.data;
+        } catch (error) {
+            console.error('Transaction failed', error);
+            throw error;
+        }
+    }
+}
+
+module.exports = PiWalletPro;