<?php
use BitWasp\BitcoinLib\BitcoinLib;
use BitWasp\BitcoinLib\Electrum;
require_once __DIR__ . '/../vendor/autoload.php';
$magic_byte = '00';
$string = trim('teach start paradise collect blade chill gay childhood creek picture creator branch');
$seed = Electrum::decode_mnemonic($string);
echo "Words: {$string}\n";
echo "Seed: {$seed}\n";
$secexp = Electrum::stretch_seed($seed);
$secexp = $secexp['seed'];
echo "Secret Exponent: {$secexp}\n";
$mpk = Electrum::generate_mpk($seed);
echo "MPK: {$mpk}\n";
for ($i = 0; $i < 5; $i++) {
$privkey = Electrum::generate_private_key($secexp, $i, 0);
echo "Private key: {$privkey}\n";
echo "Private WIF: " . BitcoinLib::private_key_to_WIF($privkey, FALSE, $magic_byte) . "\n";
$public_key = Electrum::public_key_from_mpk($mpk, $i);
echo "Public Key: {$public_key}\n";
$address = BitcoinLib::public_key_to_address($public_key, $magic_byte);
echo "Public derivation: {$address}.\n";
$address = BitcoinLib::private_key_to_address($privkey, $magic_byte);
echo "Private derivation: {$address}.\n";
echo "-----------\n";
}
public function testGetPrivKeyWif()
{
$cnt = (getenv('BITCOINLIB_EXTENSIVE_TESTING') ?: 1) * 5;
for ($i = 0; $i < $cnt; $i++) {
$hex = (string) str_pad(bin2hex(mcrypt_create_iv(32, \MCRYPT_DEV_URANDOM)), 64, '0', STR_PAD_LEFT);
// create private key and WIF
$wif = BitcoinLib::private_key_to_WIF($hex, FALSE, $this->addressVersion);
$key = BitcoinLib::WIF_to_private_key($wif);
$this->assertTrue($key['key'] == $hex);
// create private key and WIF, without specifying address version
$wif = BitcoinLib::private_key_to_WIF($hex, FALSE);
$key = BitcoinLib::WIF_to_private_key($wif);
$this->assertTrue($key['key'] == $hex);
}
}
$seed = $seed['seed'];
$master_public_key = Electrum::generate_mpk($seed);
$private_keys = array();
$have_keys = 0;
$done = FALSE;
// Loop until the user is satisfied they have found all keys.
$j = 0;
$offset = 30;
while ($done == FALSE) {
$start = $offset * $j;
echo "Trying keys {$start} to " . ($start + $offset) . "\n";
// Do public derivation to learn which private keys to derive.
for ($i = $start; $i < $start + $offset; $i++) {
$pubkey = Electrum::public_key_from_mpk($master_public_key, $i);
if (in_array($pubkey, $decode_redeem_script['keys'])) {
$private_keys[] = BitcoinLib::private_key_to_WIF(Electrum::generate_private_key($seed, $i), FALSE, '00');
$have_keys++;
}
if ($have_keys == $decode_redeem_script['m']) {
$done = TRUE;
break;
}
}
$j++;
// See if we should continue searching.
$ask = FALSE;
if ($done == FALSE) {
echo "Have " . count($private_keys) . " private keys we can sign with. Look for more? (y/n) ";
while ($ask == FALSE) {
switch (trim(fgets(STDIN))) {
case 'y':
