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Contents
module Glueby
module Contract
module FeeEstimator
# It calculates actual minimum fee to broadcast txs.
class Auto
include FeeEstimator
# This is same with Tapyrus Core's default min_relay_fee value.(tapyrus/kB)
DEFAULT_FEE_RATE = 1_000
# @!attribute [r] fee_rate
# @return [Integer] the fee rate(tapyrus/kB) that is used actual fee calculation
attr_reader :fee_rate
class << self
# @!attribute [rw] default_fee_rate
# @return [Integer] The global fee rate configuration. All instances use this value as the default.
attr_accessor :default_fee_rate
end
# @param [Integer] fee_rate
def initialize(fee_rate: Auto.default_fee_rate || DEFAULT_FEE_RATE)
@fee_rate = fee_rate
end
private
def estimate_fee(tx)
fee = ((tx.size / 1000.0) * fee_rate).ceil
# TODO: Eliminate the below block after https://github.com/chaintope/tapyrus-core/issues/191 will be done.
if tx.outputs.find(&:colored?)
# Tapyrus Core requires more over 1 from the just amount fee if the tx has colored outputs
fee + 1
else
fee
end
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems