Class: EthereumContractABI::Decoders::FunctionDecoder

Inherits:
Object
  • Object
show all
Defined in:
lib/ethereum-contract-abi/decoders/function_decoder.rb

Instance Method Summary collapse

Constructor Details

#initialize(function_outputs) ⇒ FunctionDecoder 



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# File 'lib/ethereum-contract-abi/decoders/function_decoder.rb', line 8

def initialize(function_outputs)
  @function_outputs = function_outputs
end

Instance Method Details

#decode_dynamic_output(encoded_output) ⇒ Object 



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# File 'lib/ethereum-contract-abi/decoders/function_decoder.rb', line 12

def decode_dynamic_output(encoded_output)
  hex = Util.toHexByteString(encoded_output)
  @function_outputs.map.with_index  do |output, index|
    head = get_head_by_index(encoded_output, index)
    head_offset = IntDecoder.decode(head)
    output_bytes = hex.byteslice(head_offset, hex.bytesize)
    output.type.decode_value(Util.fromHexByteString(output_bytes, with_prefix: false))
  end
end

#decode_static_output(encoded_output) ⇒ Object 



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# File 'lib/ethereum-contract-abi/decoders/function_decoder.rb', line 22

def decode_static_output(encoded_output)
  @function_outputs.map.with_index  do |output, index|
    bytes = encoded_output.slice!(0, output.type.bytesize * 2)
    output.type.decode_value(bytes)
  end
end