74 lines
1.7 KiB
PHP
74 lines
1.7 KiB
PHP
<?php
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// ---
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// --- Listening to blockchain.info to get the last block
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// ---
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// ---
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// --- La config globale
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// ---
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require_once '../../global/inc/config.php';
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// ---
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// --- External dependances
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// ---
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require TOPISTO_PATH.'/ressources/vendor/autoload.php';
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// ---
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// --- Internal dependances
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// ---
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require_once APP_PATH.'/blockchain/inc/block.php';
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// ---
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// --- Par défaut on cherche le dernier block
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// ---
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$block_hash = 'LAST';
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// ---
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// --- Le cas échéant, on cherche block passé en argument
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// ---
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if (isset($argv[1])) $block_hash = $argv[1];
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$nb_max=6;
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if (isset($argv[2])) $nb_max=intval($argv[2]);
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$width = 840;
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$height = 104;
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$final_hash = 'default';
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$img = imagecreatetruecolor($width, $height*$nb_max);
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$gris = imagecolorallocate($img, 180, 180, 180);
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$noir = imagecolorallocate($img, 0, 0, 0);
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$tr = imagecolorallocate($img, 220, 220, 220);
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imagecolortransparent($img, $tr);
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imagefilledrectangle($img, 0, 0, $width, $height*$nb_max, $tr);
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for($i=0; $i<$nb_max; $i++)
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{
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$the_block = blockchain::getBlockWithHash($block_hash);
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if ($the_block === FALSE) die();
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$block_hash = $the_block->prev_block;
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$hash=DATA_PATH.'/hashes/'.$the_block->hash.'.png';
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if ($final_hash == 'default') $final_hash = $hash;
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if (file_exists($hash))
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{
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$src_img = imagecreatefrompng($hash);
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if ($src_img)
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{
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if (FALSE === imagecopy($img, $src_img, 0, ($height*$i), 0, 0, $width, $height))
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echo "Erreur : problème de copie image".PHP_EOL;
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} else echo "Erreur: ".$hash." ne semble pas être une image PNG".PHP_EOL;
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} else echo "Erreur: ".$hash." n'a pas été trouvé".PHP_EOL;
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}
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imagepng($img, DATA_PATH.'/hashes2hashes/'.$final_hash.'.png');
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imagedestroy($img);
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?>
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