68 lines
1.6 KiB
JavaScript
68 lines
1.6 KiB
JavaScript
/*
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* Ce module permet d'écouter la blockchain
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* Il maintient un tableau de hooks
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* Il vérifie l'existence d'un nouveau block toutes les 30s
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* Si un nouveau block est détecté, les hooks sont lancés un par un
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*/
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blockchainListener = function(){
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var _last_block = null;
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var _last_block_hooks = [];
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function _logBlockHash(leblock, flag)
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{
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if (flag) return "logBlockHash";
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console.log('Last Block detected : '+leblock.hash);
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};
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function _isBlockNew(leblock)
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{
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return ((_last_block == null)||(_last_block.hash != leblock.hash));
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};
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function _lastBlockTrigger()
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{
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$.get( "data/getBlockInfo.php", function( data ) {
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if (_last_block_hooks.length > 0)
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{
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if (_isBlockNew(data))
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{
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if (_last_block = data != null)
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{
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_last_block_hooks.forEach(function(trigger) {
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if (trigger instanceof Function) trigger(data);
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});
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}
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_last_block = data;
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}
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}
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}, "json" );
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setTimeout(_lastBlockTrigger, 30000);
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};
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function _addBlockHook(addBlockHook){
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var hookname = addBlockHook(null, true);
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var flag_add = true;
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_last_block_hooks.forEach(function(trigger) {
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if (trigger instanceof Function)
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{
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var local_hookname = trigger(null, true);
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flag_add = flag_add && (local_hookname == hookname);
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}
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});
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if (flag_add) _last_block_hooks.push(addBlockHook);
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};
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function _init(){
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_addBlockHook(_logBlockHash);
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_lastBlockTrigger();
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};
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return {init: _init, addBlockHook: _addBlockHook};
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}();
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$(document).ready(function() {
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blockchainListener.init();
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});
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