public function testBase58CheckEncodeP2SH()
{
$cnt = (getenv('BITCOINLIB_EXTENSIVE_TESTING') ?: 1) * 50;
for ($i = 0; $i < $cnt; $i++) {
// random, 20-byte string.
$hex = (string) bin2hex(mcrypt_create_iv(20, \MCRYPT_DEV_URANDOM));
// 'manually' create address
$encode = BitcoinLib::base58_encode_checksum($this->p2shAddressVersion . $hex);
$decode = BitcoinLib::base58_decode_checksum($encode);
// validate 'manually' created address
$this->assertTrue(BitcoinLib::validate_address($encode, $this->addressVersion, $this->p2shAddressVersion));
// validate 'manually' created address without specifying the address version
// relying on the defaults
$this->assertTrue(BitcoinLib::validate_address($encode));
// validate 'manually' created address
// disable address version and P2S address version specifically
$this->assertTrue(BitcoinLib::validate_address($encode, false, null));
$this->assertFalse(BitcoinLib::validate_address($encode, null, false));
// validate 'manually'
$this->assertTrue($hex == $decode);
// create address
$check2 = BitcoinLib::hash160_to_address($hex, $this->p2shAddressVersion);
// validate created address
$this->assertTrue(BitcoinLib::validate_address($check2, $this->addressVersion, $this->p2shAddressVersion));
// validate created address without specifying the address version
// relying on the defaults
$this->assertTrue(BitcoinLib::validate_address($check2));
// validate created address
// disable address version and P2S address version specifically
$this->assertTrue(BitcoinLib::validate_address($check2, false, null));
$this->assertFalse(BitcoinLib::validate_address($check2, null, false));
// validate 'manually'
$this->assertTrue($check2 == $encode);
// create address, without specifying the address version
// relying on the defaults
$check3 = BitcoinLib::hash160_to_address($hex, 'p2sh');
// validate created address
$this->assertTrue(BitcoinLib::validate_address($check3, $this->addressVersion, $this->p2shAddressVersion));
// validate created address without specifying the address version
// relying on the defaults
$this->assertTrue(BitcoinLib::validate_address($check3));
// validate created address
// disable address version and P2S address version specifically
$this->assertTrue(BitcoinLib::validate_address($check3, false, null));
$this->assertFalse(BitcoinLib::validate_address($check3, null, false));
// validate 'manually'
$this->assertTrue($check3 == $encode);
}
}
/**
* Encode
*
* This function accepts an array of information describing the
* extended key. It will determine the magic bytes depending on the
* network, testnet, and type indexes. The fingerprint is accepted
* as-is, because the CKD() and master_key() functions work that out
* themselves. The child number is fixed at '00000000'. Private key's
* are padded with \x00 to ensure they are 33 bytes. This information
* is concatenated and converted to base58check encoding.
* The input array has the same indexes as the output from the import()
* function to ensure compatibility.
*
* @param array $data
* @return string
*/
public static function encode($data)
{
// Magic Byte - 4 bytes / 8 characters - left out for now
$magic_byte_var = strtolower($data['network']) . "_" . ($data['testnet'] == true ? 'testnet' : 'mainnet') . "_{$data['type']}";
$magic_byte = self::${$magic_byte_var};
$fingerprint = $data['fingerprint'];
$child_number = $data['i'];
$depth = BitcoinLib::hex_encode($data['depth']);
$chain_code = $data['chain_code'];
$key_data = $data['type'] == 'public' ? $data['key'] : '00' . $data['key'];
$string = $magic_byte . $depth . $fingerprint . $child_number . $chain_code . $key_data;
return BitcoinLib::base58_encode_checksum($string);
}
