Class: Tapyrus::TxOut

Inherits:
Object
  • Object
show all
Includes:
OpenAssets::MarkerOutput, Color::ColoredOutput
Defined in:
lib/tapyrus/tx_out.rb

Overview

transaction output

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Color::ColoredOutput

#color_id, #colored?, #nft?, #non_reissuable?, #reissuable?

Methods included from OpenAssets::MarkerOutput

#oa_payload, #open_assets_marker?

Constructor Details

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

Returns a new instance of TxOut.



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# File 'lib/tapyrus/tx_out.rb', line 13

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/tapyrus/tx_out.rb', line 11

def script_pubkey
  @script_pubkey
end

#value ⇒ Object

Returns the value of attribute value.



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

def value
  @value
end

Class Method Details

.parse_from_payload(payload) ⇒ Object 



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# File 'lib/tapyrus/tx_out.rb', line 18

def self.parse_from_payload(payload)
  buf = payload.is_a?(String) ? StringIO.new(payload) : payload
  value = buf.read(8).unpack("q").first
  script_size = Tapyrus.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/tapyrus/tx_out.rb', line 43

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/tapyrus/tx_out.rb', line 55

def dust?
  value < dust_threshold
end

#size ⇒ Integer

Returns this output bytesize

Returns:



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# File 'lib/tapyrus/tx_out.rb', line 49

def size
  to_payload.bytesize
end

#to_empty_payload ⇒ Object 



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# File 'lib/tapyrus/tx_out.rb', line 30

def to_empty_payload
  "ffffffffffffffff00".htb
end

#to_h ⇒ Object 



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# File 'lib/tapyrus/tx_out.rb', line 39

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

#to_payload ⇒ Object 



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# File 'lib/tapyrus/tx_out.rb', line 25

def to_payload
  s = script_pubkey.to_payload
  [value].pack("Q") << Tapyrus.pack_var_int(s.length) << s
end

#value_to_btc ⇒ Object

convert satoshi to btc



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# File 'lib/tapyrus/tx_out.rb', line 35

def value_to_btc
  value / 100000000.0
end