Class: Eth::Abi::Event::LogDescription

Inherits:
Object
  • Object
show all
Defined in:
lib/eth/abi/event.rb

Overview

A decoded event log.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(event_interface, log) ⇒ LogDescription

Decodes event log argument values.

Parameters:

  • event_interface (Hash) —

    event ABI type.

  • log (Hash) —

    transaction receipt log



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# File 'lib/eth/abi/event.rb', line 79

def initialize(event_interface, log)
  @event_interface = event_interface

  inputs = event_interface.fetch("inputs")
  data = log.fetch("data")
  topics = log.fetch("topics", [])
  anonymous = event_interface.fetch("anonymous", false)

  @topic = topics[0] if !anonymous
  @args, @kwargs = Event.decode_log(inputs, data, topics, anonymous)
end

Instance Attribute Details

#args ⇒ Object

The the input argument of the event.



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# File 'lib/eth/abi/event.rb', line 67

def args
  @args
end

#event_interface ⇒ Object

The event ABI interface used to decode the log.



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# File 'lib/eth/abi/event.rb', line 64

def event_interface
  @event_interface
end

#kwargs ⇒ Object

The named input argument of the event.



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# File 'lib/eth/abi/event.rb', line 70

def kwargs
  @kwargs
end

#topic ⇒ Object

The topic hash.



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# File 'lib/eth/abi/event.rb', line 73

def topic
  @topic
end

Instance Method Details

#name ⇒ Object

The event name. (e.g. Transfer)



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# File 'lib/eth/abi/event.rb', line 92

def name
  @name ||= event_interface.fetch("name")
end

#signature ⇒ Object

The event signature. (e.g. Transfer(address,address,uint256))



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# File 'lib/eth/abi/event.rb', line 97

def signature
  @signature ||= Abi::Event.signature(event_interface)
end