/**
* @param $primaryMnemonic
* @param $primaryPassphrase
* @param $backupMnemonic
* @param array $blocktrailPublicKeys
* @param BlockchainDataServiceInterface $bitcoinClient
* @param string $network
* @param bool $testnet
* @throws \Exception
*/
public function __construct($primaryMnemonic, $primaryPassphrase, $backupMnemonic, array $blocktrailPublicKeys, BlockchainDataServiceInterface $bitcoinClient, $network = 'btc', $testnet = false)
{
// normalize network and set bitcoinlib to the right magic-bytes
list($this->network, $this->testnet) = $this->normalizeNetwork($network, $testnet);
BitcoinLib::setMagicByteDefaults($this->network . ($this->testnet ? '-testnet' : ''));
//create BIP32 keys for the Blocktrail public keys
foreach ($blocktrailPublicKeys as $blocktrailKey) {
$this->blocktrailPublicKeys[$blocktrailKey['keyIndex']] = BIP32Key::create($blocktrailKey['pubkey'], $blocktrailKey['path']);
}
//set the unspent output finder, using the given bitcoin data service provider
$this->bitcoinClient = $bitcoinClient;
$this->utxoFinder = new UnspentOutputFinder($this->bitcoinClient);
// cleanup copy paste errors from mnemonics
$primaryMnemonic = str_replace(" ", " ", str_replace("\r\n", " ", str_replace("\n", " ", trim($primaryMnemonic))));
$backupMnemonic = str_replace(" ", " ", str_replace("\r\n", " ", str_replace("\n", " ", trim($backupMnemonic))));
// convert the primary and backup mnemonics to seeds (using BIP39), then create private keys (using BIP32)
$primarySeed = BIP39::mnemonicToSeedHex($primaryMnemonic, $primaryPassphrase);
$backupSeed = BIP39::mnemonicToSeedHex($backupMnemonic, "");
$this->primaryPrivateKey = BIP32Key::create(BIP32::master_key($primarySeed, $this->network, $this->testnet));
$this->backupPrivateKey = BIP32Key::create(BIP32::master_key($backupSeed, $this->network, $this->testnet));
}
/**
* generate a new mnemonic from some random entropy (512 bit)
*
* @param string $forceEntropy forced entropy instead of random entropy for testing purposes
* @return string
* @throws \Exception
*/
protected function generateNewMnemonic($forceEntropy = null)
{
if ($forceEntropy === null) {
$entropy = BIP39::generateEntropy(512);
} else {
$entropy = $forceEntropy;
}
return BIP39::entropyToMnemonic($entropy);
}
public function testNewBlankWithoutMnemonicsWallet()
{
$client = $this->setupBlocktrailSDK();
$identifier = $this->getRandomTestIdentifier();
$primaryPrivateKey = BIP32::master_key(BIP39::mnemonicToSeedHex(BIP39::entropyToMnemonic(BIP39::generateEntropy(512)), "password"), 'bitcoin', true);
$backupPublicKey = BIP32::extended_private_to_public(BIP32::master_key(BIP39::mnemonicToSeedHex(BIP39::entropyToMnemonic(BIP39::generateEntropy(512)), "password"), 'bitcoin', true));
/**
* @var $wallet \Blocktrail\SDK\Wallet
*/
$e = null;
try {
$wallet = $client->initWallet(["identifier" => $identifier]);
} catch (ObjectNotFound $e) {
list($wallet, $primaryMnemonic, $backupMnemonic, $blocktrailPublicKeys) = $client->createNewWallet(["identifier" => $identifier, "primary_private_key" => $primaryPrivateKey, "backup_public_key" => $backupPublicKey, "key_index" => 9999]);
}
$this->assertTrue(!!$e, "New wallet with ID [{$identifier}] already exists...");
$wallet = $client->initWallet(["identifier" => $identifier, "primary_private_key" => $primaryPrivateKey]);
$this->wallets[] = $wallet;
// store for cleanup
$this->assertEquals(0, $wallet->getBalance()[0]);
$e = null;
try {
$wallet->pay(["2N6Fg6T74Fcv1JQ8FkPJMs8mYmbm9kitTxy" => BlocktrailSDK::toSatoshi(0.001)]);
} catch (\Exception $e) {
}
$this->assertTrue(!!$e, "Wallet without balance is able to pay...");
}
/**
* unlock wallet so it can be used for payments
*
* @param $options ['primary_private_key' => key] OR ['passphrase' => pass]
* @param callable $fn
* @return bool
* @throws \Exception
*/
public function unlock($options, callable $fn = null)
{
// explode the wallet data
$password = isset($options['passphrase']) ? $options['passphrase'] : (isset($options['password']) ? $options['password'] : null);
$primaryMnemonic = $this->primaryMnemonic;
$primaryPrivateKey = isset($options['primary_private_key']) ? $options['primary_private_key'] : null;
if ($primaryMnemonic && $primaryPrivateKey) {
throw new \InvalidArgumentException("Can't specify Primary Mnemonic and Primary PrivateKey");
}
if (!$primaryMnemonic && !$primaryPrivateKey) {
throw new \InvalidArgumentException("Can't init wallet with Primary Mnemonic or Primary PrivateKey");
}
if ($primaryMnemonic && !$password) {
throw new \InvalidArgumentException("Can't init wallet with Primary Mnemonic without a passphrase");
}
if ($primaryPrivateKey) {
if (is_string($primaryPrivateKey)) {
$primaryPrivateKey = [$primaryPrivateKey, "m"];
}
} else {
// convert the mnemonic to a seed using BIP39 standard
$primarySeed = BIP39::mnemonicToSeedHex($primaryMnemonic, $password);
// create BIP32 private key from the seed
$primaryPrivateKey = BIP32::master_key($primarySeed, $this->network, $this->testnet);
}
$this->primaryPrivateKey = BIP32Key::create($primaryPrivateKey);
// create checksum (address) of the primary privatekey to compare to the stored checksum
$checksum = BIP32::key_to_address($primaryPrivateKey[0]);
if ($checksum != $this->checksum) {
throw new \Exception("Checksum [{$checksum}] does not match [{$this->checksum}], most likely due to incorrect password");
}
$this->locked = false;
// if the response suggests we should upgrade to a different blocktrail cosigning key then we should
if (isset($data['upgrade_key_index'])) {
$this->upgradeKeyIndex($data['upgrade_key_index']);
}
if ($fn) {
$fn($this);
$this->lock();
}
}
public function testGenerate()
{
for ($i = 0; $i < 100; $i++) {
$entropy = BIP39::generateEntropy(128);
$this->assertTrue(!!$entropy);
$mnemonic = BIP39::entropyToMnemonic($entropy);
$this->assertTrue(!!$entropy);
$entropy2 = BIP39::mnemonicToEntropy($mnemonic);
$this->assertTrue(!!$entropy2);
$this->assertEquals($entropy, $entropy2);
$bip32 = BIP32::master_key(BIP39::mnemonicToSeedHex($mnemonic, 'PASSWORD'));
$this->assertTrue(!!$bip32);
}
for ($i = 0; $i < 100; $i++) {
$entropy = BIP39::generateEntropy(256);
$this->assertTrue(!!$entropy);
$mnemonic = BIP39::entropyToMnemonic($entropy);
$this->assertTrue(!!$entropy);
$entropy2 = BIP39::mnemonicToEntropy($mnemonic);
$this->assertTrue(!!$entropy2);
$this->assertEquals($entropy, $entropy2);
$bip32 = BIP32::master_key(BIP39::mnemonicToSeedHex($mnemonic, 'PASSWORD'));
$this->assertTrue(!!$bip32);
}
for ($i = 0; $i < 100; $i++) {
$entropy = BIP39::generateEntropy(512);
$this->assertTrue(!!$entropy);
$mnemonic = BIP39::entropyToMnemonic($entropy);
$this->assertTrue(!!$entropy);
$entropy2 = BIP39::mnemonicToEntropy($mnemonic);
$this->assertTrue(!!$entropy2);
$this->assertEquals($entropy, $entropy2);
$bip32 = BIP32::master_key(BIP39::mnemonicToSeedHex($mnemonic, 'PASSWORD'));
$this->assertTrue(!!$bip32);
}
}
<?php use BitWasp\BitcoinLib\BIP32; use BitWasp\BitcoinLib\BIP39\BIP39; require_once __DIR__ . '/../vendor/autoload.php'; $password = "******"; $entropy = BIP39::generateEntropy(256); $mnemonic = BIP39::entropyToMnemonic($entropy); $seed = BIP39::mnemonicToSeedHex($mnemonic, $password); unset($entropy); // ignore, forget about this, don't use it! var_dump($mnemonic); // this is what you print on a piece of paper, etc var_dump($password); // this is secret of course var_dump($seed); // this is what you use to generate a key $key = BIP32::master_key($seed); // enjoy
