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Private Keys

Icon LinkCreating a wallet from a private key

A new wallet with a randomly generated private key can be created by supplying Wallet.generate.

import type { WalletLocked, WalletUnlocked } from 'fuels';
import { Provider, Wallet } from 'fuels';
 
import { LOCAL_NETWORK_URL } from '../../../env';
 
// We can use the `generate` to create a new unlocked wallet.
const provider = await Provider.create(LOCAL_NETWORK_URL);
const myWallet: WalletUnlocked = Wallet.generate({ provider });
 
// or use an Address to create a wallet
const someWallet: WalletLocked = Wallet.fromAddress(myWallet.address, provider);

Alternatively, you can create a wallet from a Private Key:

import type { WalletLocked, WalletUnlocked } from 'fuels';
import { Provider, Wallet } from 'fuels';
 
import {
  LOCAL_NETWORK_URL,
  WALLET_ADDRESS,
  WALLET_PVT_KEY,
} from '../../../../env';
 
const provider = await Provider.create(LOCAL_NETWORK_URL);
 
// Generate a locked wallet
const lockedWallet: WalletLocked = Wallet.fromAddress(WALLET_ADDRESS, provider);
 
// Unlock an existing unlocked wallet
let unlockedWallet: WalletUnlocked = lockedWallet.unlock(WALLET_PVT_KEY);
// Or directly from a private key
unlockedWallet = Wallet.fromPrivateKey(WALLET_PVT_KEY);

You can obtain an address to a private key using the Signer package

import { Signer } from 'fuels';
 
import { WALLET_PVT_KEY } from '../../../../env';
 
const signer = new Signer(WALLET_PVT_KEY);