Method: Web3::Eth::Contract::ContractMethod#parse_event_args

Defined in:
lib/web3/eth/contract.rb

#parse_event_args(log) ⇒ Object



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# File 'lib/web3/eth/contract.rb', line 52

def parse_event_args log

  log_data = remove_0x_head log.raw_data['data']
  indexed_types = abi['inputs'].select{|a| a['indexed']}.collect{|a| parse_component_type a }
  not_indexed_types = abi['inputs'].select{|a| !a['indexed']}.collect{|a| parse_component_type a }

  indexed_args = log.indexed_args

  if indexed_args.size==indexed_types.size

    indexed_values = [indexed_types, indexed_args].transpose.collect{|arg|
      decode_typed_data( arg.first, [arg.second].pack('H*') )
    }

    not_indexed_values = not_indexed_types.empty? ? [] :
                             decode_abi(not_indexed_types, [log_data].pack('H*') )

    i = j = 0

    abi['inputs'].collect{|input|
      input['indexed'] ? (i+=1; indexed_values[i-1]) : (j+=1;not_indexed_values[j-1])
    }

  elsif !indexed_args.empty? || !log_data.empty?
    all_types = abi['inputs'].collect{|a| parse_component_type a }
    [all_types[0...indexed_args.size], indexed_args].transpose.collect{|arg|
      decode_typed_data( arg.first, [arg.second].pack('H*') )
    } + decode_abi(all_types[indexed_args.size..-1], [log_data].pack('H*') )
  else
    []
  end

end