Also remember found hashes (and all relevant data to "prove" it).
[core.git] / contrib / chash / chash.php
index 7101f3d..45ce33d 100644 (file)
@@ -2,9 +2,13 @@
 error_reporting(E_ALL | E_STRICT);
 
 define('HASH_ALGO', MHASH_RIPEMD320);
-define('BLOCK_SIZE', 1000);
-define('NONCE_INCREMENT', 0.1);
+define('BLOCK_SIZE', 100);
+define('NONCE_INCREMENT', 0.0000000000000001);
 define('START_TIME', microtime(TRUE));
+define('CHECK_POINT', 'chash.pos');
+
+// Found hashes
+$foundHashes = array();
 
 /**
  * Continued-hashing
@@ -237,24 +241,46 @@ $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
+       // 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;
 
-       while ($hashesPerBlock <= BLOCK_SIZE) {
-               // Init counter
-               $iter = 0;
-
+       while (count($foundHashes) <= BLOCK_SIZE) {
                // Create hash from modulaHash ("genesis hash") and nonce
                $nonceHash = doubleHashString($modulaHash . $nonce);
 
@@ -262,21 +288,55 @@ while (TRUE) {
                $sumNonce  = calculateSumFromHash($nonceHash);
                $sumModula = calculateSumFromHash($modulaHash);
 
+               // Init counter
+               $iter = 0;
+               $iterSecond = 0;
+
                // Now start the "mining" ...
                $timeHash = microtime(TRUE);
-               while ($sumNonce <= $sumModula) {
-                       // Calculate sums
-                       $sumNonce  = calculateSumFromHash($nonceHash);
-                       $sumModula = calculateSumFromHash($modulaHash);
-
+               while ($sumNonce >= $sumModula) {
                        // Calculate new nonce
                        $nonce = calculateNonce($nonce);
 
                        // And hash again
                        $nonceHash = doubleHashString($modulaHash . $nonce);
 
+                       // Calculate sums
+                       $sumNonce  = calculateSumFromHash($nonceHash);
+
+                       // Time spend in loop
+                       $testTime = abs(microtime(TRUE) - $timeDisplay);
+
+                       // Calculate hashrate/sec
+                       $hashrate = 1 / $testTime * $iterSecond * 2;
+
+                       // Only every second
+                       if ($testTime >= 1) {
+                               // Display hash rate
+                               print ('hashrate=' . $hashrate . ' hashes/sec,iterSecond=' . $iterSecond . ' iterations/sec' . PHP_EOL);
+
+                               // Reset timer
+                               $timeDisplay = microtime(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++;
                        //print ('nonce=' . $nonce . ',iter=' . $iter . PHP_EOL);
                        //print ('nonceHash=' . $nonceHash . PHP_EOL);
                        //print ('sumNonce=' . $sumNonce . PHP_EOL);
@@ -285,41 +345,39 @@ while (TRUE) {
 
                // If the iteration is zero, then no hash is found
                if ($iter == 0) {
-                       // Bad block found
+                       // Bad hash found
                        $timeBadHashes += abs(microtime(TRUE) - $timeHash);
 
+                       // And next round
+                       //print('BAD:nonce=' . $nonce . PHP_EOL);
+
                        // Nothing found, so calculate new nonce
                        $nonce = calculateNonce($nonce);
-
-                       // And next round
                        continue;
                } // END - if
 
-               // Add amount of hashes to block (double-hash)
+               // Add amount of hashes per block (double-hash)
                $hashesPerBlock += $iter * 2 + 2;
 
-               // Time spend in loop
-               $testTime = abs(microtime(TRUE) - $timeDisplay);
+               // Push found hash
+               array_push($foundHashes, array(
+                       'modula_hash'  => $modulaHash,
+                       'nonce'        => $nonce,
+                       'iter'         => $iter,
+                       'hashes_block' => $hashesPerBlock,
+                       'nonce_hash'   => $nonceHash
+               ));
 
-               // Only every second
-               if ($testTime >= 1) {
-                       // Calculate hashrate/sec
-                       $timeHash = abs(microtime(TRUE) - $timeHash);
-                       $hashrate = 1 / $timeHash * $iter * 2 + 2;
-                       print ('hashesPerBlock=' . $hashesPerBlock . ',hashrate=' . $hashrate . ' hashes/sec.' . PHP_EOL);
+               // Found hash:
+               print ('FOUND: nonceHash=' . $nonceHash . ',nonce=' . $nonce . ',iter=' . $iter . PHP_EOL);
 
-                       // Reset timer
-                       $timeDisplay = microtime(TRUE); 
-               } // END - if
 
-               // Found hash:
-               //print ('nonceHash=' . $nonceHash .',iter=' . $iter . PHP_EOL);
+               // Use nonceHash as next modula hash
+               $modulaHash = $nonceHash;
        } // END - while
 
        // Time taken for one block
        $timeBlock = abs(microtime(TRUE) - $timeBlock);
-       //print ('calculateSumFromHash(modulaHash)=' . calculateSumFromHash($modulaHash) . PHP_EOL);
-       //print ('calculateSumFromHash(nonceHash)=' . calculateSumFromHash($nonceHash) . PHP_EOL);
 
        // Calculate reward
        $reward = abs($timeBlock - $timeBadHashes) / $hashrate * $hashesPerBlock / BLOCK_SIZE * 1000;
@@ -329,9 +387,7 @@ while (TRUE) {
        $totalHashes += $hashesPerBlock;
        $totalBlocks++;
        $hashesPerBlock = 0;
-
-       // Calculate next hash from both hashes
-       $modulaHash = doubleHashString(modulaHash($nonceHash, $modulaHash));
+       $foundHashes = array();
 
        // Calculate new nonce
        $nonce = calculateNonce($nonce);