Class: Hashrate

Inherits:
Object
  • Object
show all
Defined in:
lib/hashrate.rb

Constant Summary collapse

BTC_PER_BLOCK = 
25
MH = 
1e6
GH = 
1e9
TH = 
1e12

Class Method Summary collapse

Class Method Details

.earning(start, stop, hashrate) ⇒ Object

Calculate expected earnings for a bitcoin miner based on a timespan and hashrate.

Example (six months ago to now with 100 GH/s):

>> Hashrate.earning(Time.new.to_i - (60 * 60 * 24 * 30 * 6), Time.new.to_i, 1000 * Hashrate::GH)
=> 201.08229099734106

Arguments:

start: starting mining time
stop: stopping mining time
hashrate: rate of mining in hashes per second



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# File 'lib/hashrate.rb', line 22

def self.earning(start, stop, hashrate)
  # make sure this is loaded before doing anything else
  # (mmmm, spaghetti)
  self.get_difficulties

  # ensure start and stop are in the right format and order
  start, stop = [start, stop].map{|t|
    # convert datetime to time
    t = t.to_time if t.respond_to? :to_time

    # convert time to unix timestamp
    t.to_i
  }.sort

  difficulty = self.average_difficulty(start, stop)
  # puts "difficulty: #{difficulty}"
  # puts "time: #{(stop-start)}"

  # time to find one share between start and stop (in seconds)
  # with your hashrate
  time_for_one_share = (difficulty * 2**32 / hashrate)

  # number of shares we'll find in (stop-start) time
  expected_shares = (stop-start) / time_for_one_share

  # difficulty_time(start, stop) * hashrate * BTC_PER_BLOCK
  # btc_per_second = average_difficulty(start, stop) * BTC_PER_BLOCK / hashrate

  expected_shares * self::BTC_PER_BLOCK
end