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Working Block Polling for difficulty change in current block #171

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Working Block Polling for difficulty change in current block #171

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9c2b66e
Now updates diff correctly
Mar 10, 2019
6db683f
Working Dynamic Block Difficulty Change Polling
MerlinMagic2018 Mar 11, 2019
e0fc581
Forgot to include first commit change in second commit
Mar 11, 2019
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6 changes: 3 additions & 3 deletions lib/jobManager.js
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Original file line number Diff line number Diff line change
Expand Up @@ -126,13 +126,13 @@ var JobManager = module.exports = function JobManager(options){

};

//returns true if processed a new block
//returns true if processed a new block OR the current block difficulty has changed
this.processTemplate = function(rpcData){

/* Block is new if A) its the first block we have seen so far or B) the blockhash is different and the
block height is greater than the one we have */
block height is greater than the one we have OR the current block difficulty has changed*/
var isNewBlock = typeof(_this.currentJob) === 'undefined';
if (!isNewBlock && _this.currentJob.rpcData.previousblockhash !== rpcData.previousblockhash){
if (!isNewBlock && ( _this.currentJob.rpcData.previousblockhash !== rpcData.previousblockhash || _this.currentJob.rpcData.bits !== rpcData.bits)){
isNewBlock = true;

//If new block is outdated/out-of-sync than return
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5 changes: 4 additions & 1 deletion lib/pool.js
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Original file line number Diff line number Diff line change
Expand Up @@ -472,6 +472,9 @@ var pool = module.exports = function pool(options, authorizeFn){
}).on('broadcastTimeout', function(){
emitLog('No new blocks for ' + options.jobRebroadcastTimeout + ' seconds - updating transactions & rebroadcasting work');

// send getblocktemplate to coin daemon to force the update of dynamic difficulty changes in DarkGravityWave algorithm...
_this.daemon.cmd('getblocktemplate', [], function(){});

GetBlockTemplate(function(error, rpcData, processedBlock){
if (error || processedBlock) return;
_this.jobManager.updateCurrentJob(rpcData);
Expand Down Expand Up @@ -568,7 +571,7 @@ var pool = module.exports = function pool(options, authorizeFn){
blockPollingIntervalId = setInterval(function () {
GetBlockTemplate(function(error, result, foundNewBlock){
if (foundNewBlock)
emitLog('Block notification via RPC polling');
emitLog('Block notification or Block difficulty change via RPC polling');
});
}, pollingInterval);
}
Expand Down