X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=contrib%2Fchash%2Fchash.php;h=41af8db1c97077b765294049e5dbeb811a62e4e2;hb=95a008a7823f28fa6a1172798e0d7565385055d4;hp=77fc8949d6aaef7ba13507de7d393aeb5f7bd00e;hpb=f2b65a8a5ea9021bd4a3e06f68e85d2a3eec1e3c;p=core.git diff --git a/contrib/chash/chash.php b/contrib/chash/chash.php index 77fc8949..41af8db1 100644 --- a/contrib/chash/chash.php +++ b/contrib/chash/chash.php @@ -4,14 +4,27 @@ error_reporting(E_ALL | E_STRICT); define('START_TIME' , microtime(TRUE)); define('CHECK_POINT' , 'chash.pos'); +// Hashes needed to complete a "block" $GLOBALS['block_size'] = 100; -$GLOBALS['none_increment'] = (1 / pow(10, 12)); -$GLOBALS['hash_algo'] = MHASH_RIPEMD320; +$GLOBALS['none_increment'] = (1 / pow(10, 20)); + +// Hashing algorythm +$GLOBALS['hash_algo'] = MHASH_SHA256; + +// Automatic saving interval in seconds $GLOBALS['flush_file_time'] = 30; + +/* + * How long (in seconds) to try to find a proper hash until the best root hash + * is taken. + */ $GLOBALS['restart_search_time'] = 1800; // Hashes per call -$GLOBALS['hash_cycles'] = 3; +$GLOBALS['hash_cycles'] = 5; + +// Total restarts +$GLOBALS['total_restarts'] = 0; // Found hashes $GLOBALS['found_hashes'] = array(0 => array()); @@ -70,6 +83,9 @@ function modulaHash ($hash1, $hash2) { // Both must have same length assert(strlen($hash1) === strlen($hash2)); + // Init propability array with 256 zeros + $propability = array_fill(0, 256, 0); + // Init new hash $modulaHash = ''; @@ -82,6 +98,9 @@ function modulaHash ($hash1, $hash2) { $part1 = hexdec(substr($hash1, $idx, 2)); $part2 = hexdec(substr($hash2, $idx, 2)); + // Debug message + //* NOISY-DEBUG: */ print 'part1=' . $part1 . ',part2=' . $part2 . PHP_EOL; + /* * If part1 is larget part2, part1 is divident and vise-versa. But don't do it * if one is zero @@ -89,18 +108,43 @@ function modulaHash ($hash1, $hash2) { if (($part1 > $part2) && ($part2 > 0)) { // 'part1' is larger than 'part2' $mod = $part1 % $part2; - } elseif (($part1 < $part2) && ($part1 > 0)) { + } elseif (($part2 > $part1) && ($part1 > 0)) { // 'part2' is larger than 'part1' $mod = $part2 % $part1; } - // "Invert" the result against 255 + // $mod is now mostly a small number so try to "improve" it + //* NOISY-DEBUG: */ print 'mod[' . gettype($mod) . ']=' . $mod . ' - BEFORE!' . PHP_EOL; + $mod = (int) round(sqrt($mod * ($part1 + $part2 + $mod ^ 7) / 3)); + //* NOISY-DEBUG: */ print 'mod[' . gettype($mod) . ']=' . $mod . ' - AFTER!' . PHP_EOL; + + // Make sure it is valid + assert($mod >= 0); + assert($mod <= 255); + + // "Invert" the result against 255 as zeros are not good for later calculations $mod = 255 - $mod; + // Add it to propability array for debugging + $propability[$mod]++; + // Encode to hex, pre-pad it with zeros and add to new hash $modulaHash .= padHex($mod); } // END - for + // Debug propability array + $cnt = 0; + foreach ($propability as $value) { + // Is the value larger than one, means the number has been found at least once? + if ($value > 0) { + // Then count it + $cnt++; + } // END - if + } // END - foreach + + // Debug message + //* NOISY-DEBUG: */ print('cnt=' . $cnt . '/' . strlen($hash1) / 2 . PHP_EOL); + // Modula hash must have same length as input hash assert(strlen($modulaHash) === strlen($hash1)); @@ -207,7 +251,19 @@ function flushCheckPointFile ($hash) { $timer = microtime(TRUE); // Flush data - file_put_contents(CHECK_POINT, $GLOBALS['total_blocks'] . ':' . $GLOBALS['total_reward'] . ':' . $GLOBALS['total_hashes'] . ':' . $GLOBALS['hash_cycles'] . ':' . base64_encode($GLOBALS['nonce']) . ':' . $hash . ':' . $GLOBALS['root_hash'] . ':' . base64_encode(gzcompress(serialize($GLOBALS['found_hashes'])))); + file_put_contents( + CHECK_POINT, + $GLOBALS['total_blocks'] . ':' . + $GLOBALS['total_reward'] . ':' . + $GLOBALS['total_hashes'] . ':' . + $GLOBALS['total_found'] . ':' . + $GLOBALS['total_restarts'] . ':' . + $GLOBALS['hash_cycles'] . ':' . + base64_encode((float) $GLOBALS['nonce']) . ':' . + $hash . ':' . + $GLOBALS['root_hash'] . ':' . + base64_encode(gzcompress(json_encode($GLOBALS['found_hashes']))) + ); // Set time $GLOBALS['time_flush'] = microtime(TRUE); @@ -221,14 +277,14 @@ function flushCheckPointFile ($hash) { */ function addFoundHash ($hash) { // Increment counter - $GLOBALS['current_hashes']++; + $GLOBALS['total_found']++; // Add hash to array array_push($GLOBALS['found_hashes'][$GLOBALS['total_blocks']], array( 'modula_hash' => $GLOBALS['modula_hash'], 'genesis_hash' => $GLOBALS['genesis_hash'], 'root_hash' => $GLOBALS['root_hash'], - 'nonce' => $GLOBALS['nonce'], + 'nonce' => (float) $GLOBALS['nonce'], 'iter' => $GLOBALS['iteration'], 'hashes_block' => $GLOBALS['hashes_block'], 'hash_cycles' => $GLOBALS['hash_cycles'], @@ -236,7 +292,7 @@ function addFoundHash ($hash) { )); // Found hash: - print ('FOUND: hash=' . $hash . ',nonce=' . $GLOBALS['nonce'] . ',current_hashes=' . $GLOBALS['current_hashes'] . PHP_EOL); + print ('FOUND: hash=' . $hash . ',nonce=' . $GLOBALS['nonce'] . ',total_found=' . $GLOBALS['total_found'] . PHP_EOL); // Set time as a new hash was found $GLOBALS['found_time'] = microtime(TRUE); @@ -265,8 +321,8 @@ function initNonce () { * @return void */ function setModulaHash ($hash) { - $GLOBALS['modula_hash'] = $hash; - $GLOBALS['sum_modula'] = calculateSumFromHash($GLOBALS['modula_hash']); + $GLOBALS['modula_hash'] = $hash; + $GLOBALS['sum_modula'] = calculateSumFromHash($GLOBALS['modula_hash']); } /* @@ -291,7 +347,7 @@ $gensisHashes = array( // FlightGear - Fly free! multipleHashString('FlightGear - Fly free!'), // Quote from Linus Torwalds - multipleHashString('Your code is shit.. your argument is shit.'), + multipleHashString('Your code is shit. Your argument is shit.'), ); // Calculate "modula hash" from 1st/4th and 2nd/3rd @@ -327,8 +383,8 @@ print ('modulaHash=' . $GLOBALS['modula_hash'] . PHP_EOL); // Total reward + hashes $GLOBALS['total_reward'] = 0; $GLOBALS['total_hashes'] = 0; +$GLOBALS['total_found'] = 0; $GLOBALS['total_blocks'] = 0; -$GLOBALS['current_hashes'] = 0; $GLOBALS['found_time'] = microtime(TRUE); // Is the check point there? @@ -340,19 +396,21 @@ if (is_readable(CHECK_POINT)) { $data = explode(':', $checkPoint); // Assert on count - assert(count($data) == 8); + assert(count($data) == 10); // 1st element is nonce, 2nd hash, 3rd found hashes - $GLOBALS['total_blocks'] = $data[0]; - $GLOBALS['total_reward'] = $data[1]; - $GLOBALS['total_hashes'] = $data[2]; - $GLOBALS['hash_cycles'] = intval($data[3]); - $GLOBALS['nonce'] = base64_decode($data[4]); - $GLOBALS['root_hash'] = $data[6]; - $GLOBALS['found_hashes'] = unserialize(gzuncompress(base64_decode($data[7]))); + $GLOBALS['total_blocks'] = $data[0]; + $GLOBALS['total_reward'] = $data[1]; + $GLOBALS['total_hashes'] = $data[2]; + $GLOBALS['total_found'] = $data[3]; + $GLOBALS['total_restarts'] = $data[4]; + $GLOBALS['hash_cycles'] = intval($data[5]); + $GLOBALS['nonce'] = (float) base64_decode($data[6]); + $GLOBALS['root_hash'] = $data[8]; + $GLOBALS['found_hashes'] = json_decode(gzuncompress(base64_decode($data[9]))); // Set modula hash - setModulaHash($data[5]); + setModulaHash($data[7]); } else { // Create nonce (small) initNonce(); @@ -430,6 +488,12 @@ while (TRUE) { // Is the last found time to far away? if ($testTime >= $GLOBALS['restart_search_time']) { + // Count up restart + $GLOBALS['total_restarts']++; + + // Output message + print('total_restarts=' . $GLOBALS['total_restarts'] . ' - Restarting ...'); + // Count all root (genesis) hashes $rootHashes = array(); foreach ($GLOBALS['found_hashes'] as $block) { @@ -550,6 +614,3 @@ while (TRUE) { print ('totalReward=' . $GLOBALS['total_reward'] . ',blockValue=' . $blockValue . ',rewardPerHour=' . $rewardPerHour . PHP_EOL); } // END - while - -// [EOF] -?>