Class: Bitcoin::ScriptWitness

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

Overview

witness

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stack = []) ⇒ ScriptWitness

Returns a new instance of ScriptWitness.



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# File 'lib/bitcoin/script_witness.rb', line 8

def initialize(stack = [])
  @stack = stack
end

Instance Attribute Details

#stack ⇒ Object (readonly)

Returns the value of attribute stack.



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# File 'lib/bitcoin/script_witness.rb', line 6

def stack
  @stack
end

Class Method Details

.parse_from_payload(payload) ⇒ Object 



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

def self.parse_from_payload(payload)
  buf = payload.is_a?(StringIO) ? payload : StringIO.new(payload)
  return self.new if buf.eof?
  size = Bitcoin.unpack_var_int_from_io(buf)
  stack = size.times.map do
    buf.read(Bitcoin.unpack_var_int_from_io(buf))
  end
  self.new(stack)
end

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bitcoin/script_witness.rb', line 22

def empty?
  stack.empty?
end

#to_payload ⇒ Object 



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# File 'lib/bitcoin/script_witness.rb', line 26

def to_payload
  p = Bitcoin.pack_var_int(stack.size)
  p << stack.map { |s|
    Bitcoin.pack_var_int(s.bytesize) << s
  }.join
end

#to_s ⇒ Object 



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

def to_s
  stack.map{|s|s.bth}.join(' ')
end