Class: CoinOp::Bit::Input

Inherits:
Object
  • Object
show all
Includes:
Encodings
Defined in:
lib/coin-op/bit/input.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Encodings

#base58, #decode_base58, #decode_hex, #hex

Constructor Details

#initialize(options = {}) ⇒ Input

Takes a Hash containing these fields:

  • :transaction - a Transaction instance

  • :index - the index of the input within the transaction

  • :output - a value representing this input’s unspent output

Optionally:

  • script_sig_asm - the string form of the scriptSig for this input



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# File 'lib/coin-op/bit/input.rb', line 21

def initialize(options={})
  @transaction, @index, @output, @network =
    options.values_at :transaction, :index, :output, :network

  script_sig_asm = options[:script_sig_asm]

  unless @output.is_a? Output
    @output = Output.new(@output, network: @network)
  end

  @native = Bitcoin::Protocol::TxIn.new

  # TODO: the reverse is cargo-culted from a function in bitcoin-ruby
  # that doesn't document the reason.  Find the explanation in the bitcoin
  # wiki or in the reference client source and document here.
  @native.prev_out = decode_hex(@output.transaction_hash).reverse
  @native.prev_out_index = @output.index

  if script_sig_asm
    self.script_sig = Bitcoin::Script.binary_from_string(script_sig_asm)
  end
  @signatures = []
end

Instance Attribute Details

#binary_sig_hash ⇒ Object

Returns the value of attribute binary_sig_hash.



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# File 'lib/coin-op/bit/input.rb', line 8

def binary_sig_hash
  @binary_sig_hash
end

#index ⇒ Object (readonly)

Returns the value of attribute index.



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# File 'lib/coin-op/bit/input.rb', line 8

def index
  @index
end

#native ⇒ Object (readonly)

Returns the value of attribute native.



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# File 'lib/coin-op/bit/input.rb', line 8

def native
  @native
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/coin-op/bit/input.rb', line 8

def output
  @output
end

#script_sig ⇒ Object

Returns the value of attribute script_sig.



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# File 'lib/coin-op/bit/input.rb', line 8

def script_sig
  @script_sig
end

#sig_hash ⇒ Object (readonly)

Returns the value of attribute sig_hash.



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# File 'lib/coin-op/bit/input.rb', line 8

def sig_hash
  @sig_hash
end

#signatures ⇒ Object (readonly)

Returns the value of attribute signatures.



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# File 'lib/coin-op/bit/input.rb', line 8

def signatures
  @signatures
end

Instance Method Details

#to_json(*a) ⇒ Object 



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# File 'lib/coin-op/bit/input.rb', line 64

def to_json(*a)
  {
    :output => self.output,
    :signatures => self.signatures.map {|b| hex(b) },
    :sig_hash => self.sig_hash || "",
    :script_sig => self.script_sig || ""
  }.to_json(*a)
end