$line = trim(fgets(STDIN));
$decode_redeem_script = RawTransaction::decode_redeem_script($line);
if ($decode_redeem_script == FALSE) {
echo "[ERROR]- Not a valid script!\n";
unset($decode_redeem_script);
} else {
$redeem_script = $line;
echo "Learned about {$decode_redeem_script['m']} of {$decode_redeem_script['n']} address: " . BitcoinLib::public_key_to_address($redeem_script, '05') . "\n";
}
}
echo "Enter WIF encoded private keys: \n (1): ";
$private_keys = array();
while ("\n" != ($line = fgets(STDIN))) {
$line = trim($line);
$t = BitcoinLib::validate_WIF($line, '80');
var_dump($t);
if (BitcoinLib::validate_WIF($line, '80') == TRUE) {
$private_keys[] = $line;
} else {
echo "Not a valid private key.\n";
}
echo " (" . (count($private_keys) + 1) . "): ";
}
// Initialize wallet
$wallet = array();
RawTransaction::private_keys_to_wallet($wallet, $private_keys, '00');
RawTransaction::redeem_scripts_to_wallet($wallet, array($redeem_script), '05');
$raw_transaction = '01000000018240b84b90a3ae326e13219dc8a2781661fa28e23129b26fea848dd8e01a0c520000000000ffffffff02d8270000000000001976a914b7119dfb9b5c8aa7157fec48fbe640ea347dc92b88ac584d0000000000001976a914592fb6dc8cf6cd561ec86fd5fbc2a140e5ac7bc988ac00000000';
$json = '[{"txid":"520c1ae0d88d84ea6fb22931e228fa611678a2c89d21136e32aea3904bb84082","vout":0,"scriptPubKey":"a914fb56f0d4845487cc9da00c3e91e63503245f151787","redeemScript":"52210385fae44cb9f0cf858e0d404baecf78d026fae4cc9dd4343b8562059473c2af7b2102f34a1b64155db258d3a910625bd80fae6adf67d7e5b5f3de03265a4208b552d841040fa9a86f3237237423dd8331dc481c0a949fe11594c5dfa0b54bdc105daa319f9de6547d97c22296d4211073e7cffa71c8d6cd4da639607ca64fca2705e562a353ae"}]';
$sign = RawTransaction::sign($wallet, $raw_transaction, $json);
print_r($sign);
/**
* signs a raw transaction
*
* @param $rawTransaction
* @param $inputs
* @return array
*/
protected function signTransaction($rawTransaction, $inputs)
{
$wallet = [];
$keys = [];
$redeemScripts = [];
foreach ($inputs as $input) {
//create private keys for signing
$path = BIP32Path::path($input['path'])->privatePath();
$keys[] = $this->primaryPrivateKey->buildKey($path);
$keys[] = $this->backupPrivateKey->buildKey($path->unhardenedPath());
$redeemScripts[] = $input['redeemScript'];
}
//add the keys and redeem scripts to a wallet to sign the transaction with
BIP32::bip32_keys_to_wallet($wallet, array_map(function (BIP32Key $key) {
return $key->tuple();
}, $keys));
RawTransaction::redeem_scripts_to_wallet($wallet, $redeemScripts);
return RawTransaction::sign($wallet, $rawTransaction, json_encode($inputs));
}
$inputs = array(array('txid' => '6737e1355be0566c583eecd48bf8a5e1fcdf2d9f51cc7be82d4393ac9555611c', 'vout' => 0, 'value' => 0.0002, 'scriptPubKey' => '76a9147e3f939e8ded8c0d93695310d6d481ae5da3961688ac'));
// sum up the total amount of coins we're spending
$inputsTotal = 0;
foreach ($inputs as $input) {
$inputsTotal += $input['value'];
}
// fixed fee
$fee = 0.0001;
// information of who we're sending coins to and how much
$to = '1PGa6cMAzzrBpTtfvQTzX5PmUxsDiFzKyW';
$send = 5.0E-5;
// calculate change
$change = $inputsTotal - $send - $fee;
// this is our own address
$changeAddress = "1CWYJZ4vSoemSCrfBvXreqEtojEeCUeKw3";
// create ouputs, one to recipient and one to change
$outputs = array($to => BitcoinLib::toSatoshi($send), $changeAddress => BitcoinLib::toSatoshi($change));
// import private key
$wallet = array();
RawTransaction::private_keys_to_wallet($wallet, array('L2V4QgXVUyWVoMGejTj7PrRUUCEi9D9Y1AhUM8E6f5yJm7gemgN6'), '00');
// crate unsigned raw transaction
$raw_transaction = RawTransaction::create($inputs, $outputs);
// sign the transaction
// to broadcast transaction take this value and `bitcoin-cli sendrawtransaction <hex>`
$sign = RawTransaction::sign($wallet, $raw_transaction, json_encode($inputs));
print_r($sign);
echo "\n";
// set the transaction hash from the raw transaction
$txid = RawTransaction::txid_from_raw($sign['hex']);
print_r($txid);
echo "\n";
echo " : " . BIP32::key_to_address($pub[0]) . "\n";
/////////////////////////////
// We're gonna spent the first txout from this tx:
// https://www.blocktrail.com/BTC/tx/4a2231e13182cdb64fa2f9aae38fca46549891e9dc15e8aaf484d82fc6e0a1d8
// Set up inputs here
$inputs = array(array('txid' => '4a2231e13182cdb64fa2f9aae38fca46549891e9dc15e8aaf484d82fc6e0a1d8', 'vout' => 0));
// Set up outputs here
$outputs = array('1KuE17Fbcdsn3Ns5T9Wzi1epurRnKC9qVr' => BitcoinLib::toSatoshi(0.0004));
////////////////////////////
// Parameters for signing.
// Create JSON inputs parameter
// - These can come from bitcoind, or just knowledge of the txid/vout/scriptPubKey,
// and redeemScript if needed.
$json_inputs = json_encode(array(array('txid' => '4a2231e13182cdb64fa2f9aae38fca46549891e9dc15e8aaf484d82fc6e0a1d8', 'vout' => 0, 'scriptPubKey' => '76a914' . 'bf012bde5bd12eb7f9a66de5697b241b65a9a3c9' . '88ac')));
// build wallet from private key(s)
$wallet = array();
BIP32::bip32_keys_to_wallet($wallet, array($key), '00');
// Create raw transaction
$raw_transaction = RawTransaction::create($inputs, $outputs);
// Sign the transaction
$signed = RawTransaction::sign($wallet, $raw_transaction, $json_inputs);
print_r($signed);
echo "\n";
// Decode and print the TX
// print_r(RawTransaction::decode($sign['hex']));
// To broadcast the transaction onto the network
// - grab the $signed['hex']
// - `bitcoind sendrawtransaction <singed HEX>`
// or use an API that supports sendraw
// This transaction was broadcasted and confirmed here:
// https://www.blocktrail.com/BTC/tx/e04c14270b2a9fcff548bc0bdd16b22ec6c2903ea6aaf9f7656b81f1c4c6153b
public function testSign()
{
// 1 loop takes ~0.22s
$cnt = (getenv('BITCOINLIB_EXTENSIVE_TESTING') ?: 1) * 5;
$inputs = array(array('txid' => '6737e1355be0566c583eecd48bf8a5e1fcdf2d9f51cc7be82d4393ac9555611c', 'vout' => 0));
$outputs = array('1PGa6cMAzzrBpTtfvQTzX5PmUxsDiFzKyW' => BitcoinLib::toSatoshi(0.00015));
$json_inputs = json_encode(array(array('txid' => '6737e1355be0566c583eecd48bf8a5e1fcdf2d9f51cc7be82d4393ac9555611c', 'vout' => 0, 'scriptPubKey' => '76a914' . '7e3f939e8ded8c0d93695310d6d481ae5da39616' . '88ac')));
$wallet = array();
RawTransaction::private_keys_to_wallet($wallet, array('L2V4QgXVUyWVoMGejTj7PrRUUCEi9D9Y1AhUM8E6f5yJm7gemgN6'), '00');
$raw_transaction = RawTransaction::create($inputs, $outputs);
for ($i = 0; $i < $cnt; $i++) {
$sign = RawTransaction::sign($wallet, $raw_transaction, $json_inputs);
$this->assertTrue(RawTransaction::validate_signed_transaction($sign['hex'], $json_inputs));
}
}
/**
* sign a raw transaction with the private keys that we have
*
* @param string $raw_transaction
* @param array[] $inputs
* @return array response from RawTransaction::sign
* @throws \Exception
*/
protected function signTransaction($raw_transaction, array $inputs)
{
$wallet = [];
$keys = [];
$redeemScripts = [];
foreach ($inputs as $input) {
$redeemScript = null;
$key = null;
if (isset($input['redeemScript'], $input['path'])) {
$redeemScript = $input['redeemScript'];
$path = BIP32Path::path($input['path'])->privatePath();
$key = $this->primaryPrivateKey->buildKey($path);
$address = $this->getAddressFromKey($key, $path);
if ($address != $input['address']) {
throw new \Exception("Generated address does not match expected address!");
}
} else {
throw new \Exception("No redeemScript/path for input");
}
if ($redeemScript && $key) {
$keys[] = $key;
$redeemScripts[] = $redeemScript;
}
}
BIP32::bip32_keys_to_wallet($wallet, array_map(function (BIP32Key $key) {
return $key->tuple();
}, $keys));
RawTransaction::redeem_scripts_to_wallet($wallet, $redeemScripts);
return RawTransaction::sign($wallet, $raw_transaction, json_encode($inputs));
}
$redeem_script = "522103c0b1fd07752ebdd43c75c0a60d67958eeac8d4f5245884477eae094c4361418d2102ab1fae8dacd465460ad8e0c08cb9c25871782aa539a58b65f9bf1264c355d0982102dc43b58ee5313d1969b939718d2c8104a3365d45f12f91753bfc950d16d3e82e53ae";
$inputs = array(array("txid" => "83c5c88e94d9c518f314e30ca0529ab3f8e5e4f14a8936db4a32070005e3b61f", "vout" => 0, "scriptPubKey" => "a9145fe34588f475c5251ff994eafb691a5ce197d18b87", "redeemScript" => $redeem_script));
$outputs = array("n3P94USXs7LzfF4BKJVyGv2uCfBQRbvMZJ" => BitcoinLib::toSatoshi(0.0001));
$raw_transaction = RawTransaction::create($inputs, $outputs);
/*
* sign with first key
*/
$wallet = array();
RawTransaction::private_keys_to_wallet($wallet, array("cV2BRcdtWoZMSovYCpoY9gyvjiVK5xufpAwdAFk1jdonhGZq1cCm"));
RawTransaction::redeem_scripts_to_wallet($wallet, array($redeem_script));
$sign = RawTransaction::sign($wallet, $raw_transaction, json_encode($inputs));
print_r($sign);
var_dump(2 == $sign['req_sigs'], 1 == $sign['sign_count'], 'false' === $sign['complete']);
/*
* sign with second key
*/
$wallet = array();
RawTransaction::private_keys_to_wallet($wallet, array("cMps8Dg4Z1ThcwvPiPpshR6cbosYoTrgUwgLcFasBSxsdLHwzoUK"));
RawTransaction::redeem_scripts_to_wallet($wallet, array($redeem_script));
$sign = RawTransaction::sign($wallet, $sign['hex'], json_encode($inputs));
print_r($sign);
var_dump(2 == $sign['req_sigs'], 2 == $sign['sign_count'], 'true' === $sign['complete']);
/*
* sign with third key
*/
$wallet = array();
RawTransaction::private_keys_to_wallet($wallet, array("cNn72iUvQhuzZCWg3TC31fvyNDYttL8emHgMcFJzhF4xnFo8LYCk"));
RawTransaction::redeem_scripts_to_wallet($wallet, array($redeem_script));
$sign = RawTransaction::sign($wallet, $sign['hex'], json_encode($inputs));
print_r($sign);
var_dump(2 == $sign['req_sigs'], 3 == $sign['sign_count'], 'true' === $sign['complete']);