X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=contrib%2Fchash%2Fchash.php;h=0e60d0fbbf183432ed64fff3605ff395c9f7d913;hb=fe43c3ca36e4281c54ddad5646d21f6858d79bc8;hp=6705b960e81887b67cc17d2974c6599fb32a26c8;hpb=0c60cb253ff32f11b35ea146777e29727d21c410;p=core.git

diff --git a/contrib/chash/chash.php b/contrib/chash/chash.php
index 6705b960..0e60d0fb 100644
--- a/contrib/chash/chash.php
+++ b/contrib/chash/chash.php
@@ -5,6 +5,7 @@ define('HASH_ALGO', MHASH_RIPEMD320);
 define('BLOCK_SIZE', 100);
 define('NONCE_INCREMENT', 0.0000000000000001);
 define('START_TIME', microtime(TRUE));
+define('CHECK_POINT', 'chash.pos');
 
 // Found hashes
 $foundHashes = array();
@@ -229,6 +230,9 @@ $sqrtHashes = array(
 // Calulcate modula hash
 $modulaHash = doubleHashString(modulaHash($sqrtHashes[0], $sqrtHashes[1]));
 
+// This is also the "genesis hash"
+$genesisHash = $modulaHash;
+
 // Output results
 print ('hashes=' . print_r($hashes, TRUE));
 print ('modulaHashes=' . print_r($modulaHashes, TRUE));
@@ -240,17 +244,41 @@ $totalReward = 0;
 $totalHashes = 0;
 $totalBlocks = 0;
 
-// Create nonce (small)
-$nonce = 1 / mt_rand();
+// Is the check point there?
+if (is_readable(CHECK_POINT)) {
+	// Then load it
+	$checkPoint = file_get_contents(CHECK_POINT);
+
+	// Explode it
+	$data = explode(':', $checkPoint);
+
+	// Assert on count
+	assert(count($data) == 3);
+
+	// 1st element is nonce, 2nd hash, 3rd found hashes
+	$nonce       = base64_decode($data[0]);
+	$modulaHash  = $data[1];
+	$foundHashes = unserialize(base64_decode($data[2]));
+} else {
+	// Create nonce (small)
+	$nonce = 1 / mt_rand();
+}
+
+// Output again
+print ('modulaHash=' . $modulaHash . PHP_EOL);
+print ('nonce=' . $nonce . PHP_EOL);
+print ('found=' . count($foundHashes) . PHP_EOL);
 
+// Start "mining"
 while (TRUE) {
 	// Init hash-per-block counter and hashrate
 	$hashesPerBlock = 0;
 	$hashrate = 0;
 
 	// Wait for BLOCK_SIZE iterations (= found hashes). This is one block
-	$timeBlock = microtime(TRUE);
+	$timeBlock   = microtime(TRUE);
 	$timeDisplay = $timeBlock;
+	$timeFlush   = $timeBlock;
 
 	// Time waited for a good block again (no iteration)
 	$timeBadHashes = 0;
@@ -295,6 +323,20 @@ while (TRUE) {
 				$iterSecond  = 0;
 			} // END - if
 
+			// Time spend from last flush
+			$testTime = abs(microtime(TRUE) - $timeFlush);
+
+			// Only once per 10 seconds
+			if ($testTime >= 10) {
+				// Display message
+				print ('FLUSHING: ' . count($foundHashes) . ' total found.' . PHP_EOL);
+
+				// Write check-point
+				file_put_contents(CHECK_POINT, base64_encode($nonce) . ':' . $modulaHash . ':' . base64_encode(serialize($foundHashes)));
+
+				$timeFlush = microtime(TRUE);
+			} // END - if
+
 			// Next round
 			$iter++;
 			$iterSecond++;
@@ -319,10 +361,20 @@ while (TRUE) {
 
 		// Add amount of hashes per block (double-hash)
 		$hashesPerBlock += $iter * 2 + 2;
-		array_push($foundHashes, $nonceHash);
+
+		// Push found hash
+		array_push($foundHashes, array(
+			'modula_hash'  => $modulaHash,
+			'genesis_hash' => $genesisHash,
+			'nonce'        => $nonce,
+			'iter'         => $iter,
+			'hashes_block' => $hashesPerBlock,
+			'nonce_hash'   => $nonceHash
+		));
 
 		// Found hash:
-		print ('FOUND: nonceHash=' . $nonceHash .',nonce=' . $nonce . ',iter=' . $iter . PHP_EOL);
+		print ('FOUND: nonceHash=' . $nonceHash . ',nonce=' . $nonce . ',iter=' . $iter . PHP_EOL);
+
 
 		// Use nonceHash as next modula hash
 		$modulaHash = $nonceHash;