Class: Bitcoin::TxOut

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

Overview

transaction output

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value: 0, script_pubkey: nil) ⇒ TxOut

Returns a new instance of TxOut.



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# File 'lib/bitcoin/tx_out.rb', line 12

def initialize(value: 0, script_pubkey: nil)
  @value = value
  @script_pubkey = script_pubkey
end

Instance Attribute Details

#script_pubkey ⇒ Object

Returns the value of attribute script_pubkey.



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# File 'lib/bitcoin/tx_out.rb', line 10

def script_pubkey
  @script_pubkey
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/bitcoin/tx_out.rb', line 9

def value
  @value
end

Class Method Details

.parse_from_payload(payload) ⇒ Object 



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# File 'lib/bitcoin/tx_out.rb', line 17

def self.parse_from_payload(payload)
  buf = payload.is_a?(String) ? StringIO.new(payload) : payload
  value = buf.read(8).unpack1('q')
  script_size = Bitcoin.unpack_var_int_from_io(buf)
  new(value: value, script_pubkey: Script.parse_from_payload(buf.read(script_size)))
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/bitcoin/tx_out.rb', line 41

def ==(other)
  to_payload == other.to_payload
end

#dust? ⇒ Boolean

Whether this output is dust or not

Returns:

  • (Boolean) 


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# File 'lib/bitcoin/tx_out.rb', line 53

def dust?
  value < dust_threshold
end

#size ⇒ Integer

Returns this output bytesize

Returns:



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# File 'lib/bitcoin/tx_out.rb', line 47

def size
  to_payload.bytesize
end

#to_empty_payload ⇒ Object 



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# File 'lib/bitcoin/tx_out.rb', line 28

def to_empty_payload
  'ffffffffffffffff00'.htb
end

#to_h ⇒ Object 



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# File 'lib/bitcoin/tx_out.rb', line 37

def to_h
  {value: value_to_btc, script_pubkey: script_pubkey.to_h}
end

#to_payload ⇒ Object 



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# File 'lib/bitcoin/tx_out.rb', line 24

def to_payload
  [value].pack('Q') << script_pubkey.to_payload(true)
end

#value_to_btc ⇒ Object

convert satoshi to btc



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# File 'lib/bitcoin/tx_out.rb', line 33

def value_to_btc
  value / 100000000.0
end