Smart Mining Ethernode

eth-smart-mine.js

/* global eth, miner, admin, net, web3 */
// For Ethereum Networks with light activity
// automatically enable and disbale miner
//
// set var `thread` in global geth instance to change CPUs
//
// in geth console `geth attach`
// > loadScript('eth-smart-mine.js')
//
// adhered to standardjs.com/
// (function (eth, miner, admin, net, web3) {
'use strict'
var threads = 1
// change fallback for correct networkid!!
eth.defaultAccount = eth.accounts[0] || '0xbcf647384f0d9fac697264449fe3baf1508e5350'

function checkWork (_err, _block) {
  if (_err) {
    console.log('ERROR xx ', _err)
    return
  }
  console.log('+ ~ + ~ + + ~ + ~ + + ~ + ~ + + ~ + ~ + ~ + + ~ + ~ + + ~ + ~ +')
  console.log('Block          ', JSON.stringify(_block))
  console.log('Pending Transactions', eth.pendingTransactions.length)

  if (eth.pendingTransactions.length > 0) {
    if (eth.mining) return
    console.log('== Pending transactions! Mining. Threads: ', threads)
    miner.start(threads)
  } else {
    miner.stop()
    console.log('== No transactions! Mining stopped.')
  }
  console.log('+ ~ + ~ + + ~ + ~ + + ~ + ~ + + ~ + ~ + ~ + + ~ + ~ + + ~ + ~ +')
}

eth.filter('latest', function (err, block) {
  checkWork(err, block)
})
eth.filter('pending', function (err, block) {
  checkWork(err, block)
})

// check for base to be set!
if (!eth.coinbase) {
  miner.setEtherbase(eth.defaultAccount)
}

if (net.listening) {
  console.log('+ ~ + ~ + + ~ + ~ + + ~ + ~ + + ~ + ~ + ~ + + ~ + ~ + + ~ + ~ +')
  console.log('                * Smart Mining Active *')
  console.log('+ ~ + ~ + + ~ + ~ + + ~ + ~ + + ~ + ~ + ~ + + ~ + ~ + + ~ + ~ +')
  console.log('Etherbase      ', eth.coinbase)
  console.log('CPU Threads    ', threads)
  console.log('Network Id     ', net.version)
  console.log('Peers          ', admin.peers.length)
  console.log('+ ~ + ~ + + ~ + ~ + + ~ + ~ + + ~ + ~ + ~ + + ~ + ~ + + ~ + ~ +')
} else {
  console.log(net)
  console.log('You are not connected to an Ethereum JSON-RPC')
}

function setThreads (_ts) {
  threads = _ts
  return threads
}
// helpers
function balance (acct) {
  return web3.fromWei(web3.eth.getBalance(acct), 'ether').toNumber()
}

// get all balances
function checkAllBalances () {
  var totalBal = 0
  console.log('+ ~ + ~ + + ~ + ~ + + ~ + ~ + + ~ + ~ + ~ + + ~ + ~ + + ~ + ~ +')
  console.log('                * All Balances *')
  for (var acctNum in eth.accounts) {
    var acct = eth.accounts[acctNum]
    var acctBal = web3.fromWei(eth.getBalance(acct), 'ether')
    totalBal += parseFloat(acctBal)
    console.log('+ ~ + ~ + + ~ + ~ + + ~ + ~ + + ~ + ~ + ~ + + ~ + ~ + + ~ + ~ +')
    console.log('Reference        ', acct)
    console.log('Account Number   ', acctNum)
    console.log('Balance          ' + acctBal + ' ETH')
    console.log('+ ~ + ~ + + ~ + ~ + + ~ + ~ + + ~ + ~ + ~ + + ~ + ~ + + ~ + ~ +')
  }
  console.log('TOTAL            ' + totalBal + ' ETH')
  console.log('+ ~ + ~ + + ~ + ~ + + ~ + ~ + + ~ + ~ + ~ + + ~ + ~ + + ~ + ~ +')
}
//   return {
//     balance: balance,
//     checkAllBalances: checkAllBalances,
//     checkWork: checkWork,
//     threads: threads,
//     setThreads: setThreads
//   }
// })(eth, miner, admin, net, web3)
// var tools = { /* ignore */
//   balance: balance,
//   checkAllBalances: checkAllBalances,
//   checkWork: checkWork,
//   threads: threads,
//   setThreads: setThreads
// }