Bit-Wasp/bitcoin-php 的简单使用：创建钱包 + 进行交易

 <?php
 namespace App\Jobs\Bitcoin;
 use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Queue\InteractsWithQueue;
 use Illuminate\Queue\SerializesModels;
 use App\Models\Bitcoin\Wallet;
 use BitWasp\Bitcoin\Address\PayToPubKeyHashAddress;
 use BitWasp\Bitcoin\Bitcoin;
 use BitWasp\Bitcoin\Crypto\Random\Random;
 use BitWasp\Bitcoin\Key\Factory\PrivateKeyFactory;
 class GenerateWallet implements ShouldQueue
 {
     use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
     /**
      * Execute the job.
      *
      * @return void
      */
     public function handle()
     {
         $random = new Random();
         $private_key_factory = new PrivateKeyFactory();
         $private_key = $private_key_factory->generateCompressed($random);
         $public_key = $private_key->getPublicKey();
         // p2pkh 格式的地址
         $address = new PayToPubKeyHashAddress($public_key->getPubKeyHash());
         // 将生成的钱包保存到数据库中
         $wallet = new Wallet;
         $wallet->wif = $private_key->toWif($network);
         $wallet->address = $address->getAddress();
         $wallet->save();
         // 保存到日志文件中
         $log  = "wif: ". $wallet->wif . PHP_EOL .
                 "address: ". $wallet->address . PHP_EOL .
                 "-------------". date('Y-m-d Hs') ."------------" . PHP_EOL;
         file_put_contents('./wallets.log', $log, FILE_APPEND);
     }
 }

<?php
namespace App\Jobs\Bitcoin;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use BitWasp\Bitcoin\Address\PayToPubKeyHashAddress;
use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Bitcoin\Key\Factory\PrivateKeyFactory;
use BitWasp\Bitcoin\Script\Interpreter\InterpreterInterface as I;
use BitWasp\Bitcoin\Script\ScriptFactory;
use BitWasp\Bitcoin\Transaction\Factory\Signer;
use BitWasp\Bitcoin\Transaction\Factory\TxBuilder;
use BitWasp\Bitcoin\Transaction\OutPoint;
use BitWasp\Bitcoin\Transaction\TransactionOutput;
use BitWasp\Buffertools\Buffer;
use BitWasp\Bitcoin\Transaction\Factory\SignData;
use BitWasp\Bitcoin\Script\WitnessScript;
use BitWasp\Bitcoin\Script\P2shScript;
use BitWasp\Bitcoin\Address\SegwitAddress;
use BitWasp\Bitcoin\Script\WitnessProgram;
use BitWasp\Bitcoin\Address\AddressCreator;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\ClientException;
class Transfer implements ShouldQueue
{
 use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
 /**
  * Execute the job.
  *
  * @return void
  */
 public function handle()
 {
     // 支付钱包的私钥（wif 格式）
     $wif = 'KxwUMCtXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXxEGooz';
     // 支付钱包上一次交易的 id
     $txid = '4c7a031a31fe794e64ef5ca2714bdd9dd10ceae44650bce025952282bdeeda8b';
     // 收款钱包地址（p2pkh 格式）
     $address = '1LRqwmjqLNNybJ3M2zQHiwvyA6ikbQQkyS';
     $privKeyFactory = new PrivateKeyFactory;
     $key = $privKeyFactory->fromWif($wif);
     $witnessScript = new WitnessScript(
         ScriptFactory::scriptPubKey()->payToPubKeyHash($key->getPubKeyHash())
     );
     $dest = new SegwitAddress(
         WitnessProgram::v0(
             (new AddressCreator())->fromString($address)->getHash()
         )
     );
     // UTXO
     $outpoint = new OutPoint(Buffer::hex($txid, 32), 0);
     // 这里一共将支出 100000 聪（0.00000001 BTC = 1 聪）
     $txOut = new TransactionOutput(100000, $witnessScript);
     // 收款人将收到 90000 聪，中间的差将作为矿工的手续费
     $builder = (new TxBuilder())
         ->spendOutPoint($outpoint)
         ->payToAddress(90000, $dest);
     // 签署交易
     $signer = new Signer($builder->get(), Bitcoin::getEcAdapter());
     $input = $signer->input(0, $txOut);
     $input->sign($key);
     $signed = $signer->get();
     // 需要进行广播的交易
     $broadcast = $signed->getBaseSerialization()->getHex();
     // 我这里使用 blockchain.info 的接口进行广播，你可以使用你自己的结点，或者现成的 RPC 接口
     $client = new Client;
     try {
         $response = $client->request('POST', 'https://blockchain.info/pushtx', [
             'form_params' => [
                 'tx' => $signed->getBaseSerialization()->getHex()
             ]
         ]);
         var_dump(json_decode($response->getBody(), true));
     } catch (ClientException $e) {
         var_dump($e->getResponse());
     }
 }