split UTXOs command

blocktrail · Feb 13, 2015 · 3e8fd5a · 3e8fd5a
1 parent 31839cf
commit 3e8fd5a
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Showing 3 changed files with 87 additions and 1 deletion.
diff --git a/src/Console/Application.php b/src/Console/Application.php
@@ -12,6 +12,7 @@
 use Blocktrail\SDK\Console\Commands\ListUTXOCommand;
 use Blocktrail\SDK\Console\Commands\ListWalletsCommand;
 use Blocktrail\SDK\Console\Commands\PayCommand;
+use Blocktrail\SDK\Console\Commands\SplitUTXOsCommand;
 use Blocktrail\SDK\Console\Commands\StoreWalletPassphraseCommand;
 use Blocktrail\SDK\Console\Commands\UseWalletCommand;
 use Symfony\Component\Console\Application as ConsoleApplication;
@@ -39,6 +40,7 @@ protected function getDefaultCommands() {
         $commands[] = new BalanceCommand();
         $commands[] = new DiscoveryCommand();
         $commands[] = new ListUTXOCommand();
+        $commands[] = new SplitUTXOsCommand();
 
         return $commands;
     }

diff --git a/src/Console/Commands/ListUTXOCommand.php b/src/Console/Commands/ListUTXOCommand.php
@@ -24,7 +24,7 @@ protected function configure() {
             // ->setAliases(['utxos'])
             ->setDescription("List UTXO set for a wallet")
             ->addOption('page', 'p', InputOption::VALUE_REQUIRED, 'pagination page', 1)
-            ->addOption('per-page', 'pp', InputOption::VALUE_REQUIRED, 'pagination limit', 50);;
+            ->addOption('per-page', 'pp', InputOption::VALUE_REQUIRED, 'pagination limit', 50);
 
         parent::configure();
     }

diff --git a/src/Console/Commands/SplitUTXOsCommand.php b/src/Console/Commands/SplitUTXOsCommand.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace Blocktrail\SDK\Console\Commands;
+
+use BitWasp\BitcoinLib\BitcoinLib;
+use Blocktrail\SDK\BlocktrailSDK;
+use Blocktrail\SDK\Console\Application;
+use Blocktrail\SDK\WalletInterface;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\Output;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\ConfirmationQuestion;
+use Symfony\Component\Console\Question\Question;
+
+class SplitUTXOsCommand extends AbstractWalletCommand {
+
+    protected function configure() {
+        $this
+            ->setName('split_utxos')
+            ->setDescription("Split UTXOs")
+            ->addArgument("count", InputArgument::REQUIRED, "the amount of chunks")
+            ->addArgument("value", InputArgument::REQUIRED, "the value of each chunk")
+            ->addOption('value-is-total', null, InputOption::VALUE_NONE, "the value argument should be devided by the count")
+            ->addOption('silent', 's', InputOption::VALUE_NONE, "don't ask for confirmation");
+
+        parent::configure();
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output) {
+        /** @var Output $output */
+        parent::execute($input, $output);
+
+        /** @var QuestionHelper $questionHelper */
+        $questionHelper = $this->getHelper('question');
+
+        $wallet = $this->getWallet($input, $output);
+
+        list($confirmed, $unconfirmed) = $wallet->getBalance();
+
+        $count = $input->getArgument('count');
+        $value = $input->getArgument('value');
+
+        if (strpos($value, ".") !== false || strpos($value, "," !== false)) {
+            $value = BlocktrailSDK::toSatoshi($value);
+        } else {
+            if (!$questionHelper->ask($input, $output, new ConfirmationQuestion("Did you specify this value in satoshi? [y/N] ", false))) {
+                $value = BlocktrailSDK::toSatoshi($value);
+            }
+        }
+
+        if ($input->getOption('value-is-total')) {
+            $value = (int)floor($value / $count);
+        }
+
+        if ($value * $count > $confirmed) {
+            $output->writeln("<error>You do not have enough confirmed balance; " . BlocktrailSDK::toBTCString($value * $count) . " BTC > " . BlocktrailSDK::toBTCString($confirmed) . " BTC) </error>");
+            exit(1);
+        }
+
+        $pay = [];
+        for ($i = 0; $i < $count; $i++) {
+            $pay[$wallet->getNewAddress()] = $value;
+        }
+
+        if (!$input->getOption('silent')) {
+            $output->writeln("Sending payment from [<bold>{$wallet->getIdentifier()}</bold>] to:");
+            foreach ($pay as $address => $value) {
+                $output->writeln("[{$address}] {$value} Satoshi = " . BlocktrailSDK::toBTCString($value) . " BTC");
+            }
+
+            if (!$questionHelper->ask($input, $output, new ConfirmationQuestion("Send? [Y/n] ", true))) {
+                exit(1);
+            }
+        }
+
+        $txHash = $wallet->pay($pay);
+
+        $output->writeln("TX {$txHash}");
+    }
+}