Class: Pochette::BaseTransactionBuilder

Inherits:
Object
  • Object
show all
Includes:
Contracts::Core
Defined in:
lib/pochette/base_transaction_builder.rb

Overview

Builds transactions from a list of source addresses and a list of recipients. Uses Pochette.backend to fetch unspent outputs and related transaction data. Instantiating will perform all the given queries, you’ll be left with a TransactionBuilder object that is either valid? or not, and if valid you can query the results via to_hash.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ BaseTransactionBuilder

Returns a new instance of BaseTransactionBuilder.



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# File 'lib/pochette/base_transaction_builder.rb', line 29

def initialize(options)
  self.backend = options[:backend] if options[:backend]
  initialize_options(options)
  initialize_fee
  initialize_outputs
  return unless valid?
  select_utxos
  add_change_output
  validate_final_amounts
end

Instance Attribute Details

#errors ⇒ Object

Returns the value of attribute errors.



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# File 'lib/pochette/base_transaction_builder.rb', line 63

def errors
  @errors
end

Class Method Details

.backend ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/pochette/base_transaction_builder.rb', line 11

def self.backend
  raise NotImplementedError
end

Instance Method Details

#as_hash ⇒ Object 



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# File 'lib/pochette/base_transaction_builder.rb', line 48

def as_hash
  return nil unless valid?
  { input_total: inputs_amount.to_i,
    output_total: outputs_amount.to_i,
    fee: (inputs_amount - outputs_amount).to_i,
    inputs: inputs,
    outputs: outputs,
    utxos_to_blacklist: inputs.collect{|i| [i[1], i[2]] },
  }
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pochette/base_transaction_builder.rb', line 59

def valid?
  errors.size == 0
end