Geth mining script, run as last argument of geth via `js geth_mine.js` - source: https://gist.github.com/makevoid/5a618d73c4eff110a21c
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// fork of mine.js script on embark-framework, this script mines only if there are new transactions in the pool | |
var eth, config, main, pendingTransactions, startTransactionMining; | |
eth = web3.eth; | |
console.log('geth_mine.js: start'); | |
console.log("node infos: " + (JSON.stringify(admin.nodeInfo))); | |
config = { | |
threads: 2 // set this to the number of threads you machine can handle, remember to set a low difficulty in your genesis block to mine faster | |
}; | |
main = function() { | |
var miner_obj; | |
miner_obj = admin.miner === void 0 ? miner : admin.miner; | |
miner_obj.stop(); | |
startTransactionMining(miner_obj); | |
return true; | |
}; | |
pendingTransactions = function() { | |
if (!eth.pendingTransactions) { | |
return txpool.status.pending || txpool.status.queued; | |
} else if (typeof eth.pendingTransactions === 'function') { | |
return eth.pendingTransactions().length > 0; | |
} else { | |
return eth.pendingTransactions.length > 0 || eth.getBlock('pending').transactions.length > 0; | |
} | |
}; | |
startTransactionMining = function(miner_obj) { | |
eth.filter('pending').watch(function() { | |
if (miner_obj.hashrate > 0) { | |
return; | |
} | |
console.log('== Pending transactions! Looking for next block...'); | |
miner_obj.start(config.threads); | |
}); | |
return eth.filter('latest').watch(function() { | |
if (!pendingTransactions()) { | |
console.log('== No transactions left. Stopping miner...'); | |
miner_obj.stop(); | |
} | |
}); | |
}; | |
main(); |
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