Class: Etherlite::Contract::Base

Inherits:
Object
  • Object
show all
Includes:
Api::Address
Defined in:
lib/etherlite/contract/base.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Api::Address

#address, #get_balance

Constructor Details

#initialize(_connection, _normalized_address, _default_account) ⇒ Base

Returns a new instance of Base.



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# File 'lib/etherlite/contract/base.rb', line 25

def initialize(_connection, _normalized_address, )
  @connection = _connection
  @normalized_address = _normalized_address
   = 
end

Instance Attribute Details

#connection ⇒ Object (readonly)

Returns the value of attribute connection.



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# File 'lib/etherlite/contract/base.rb', line 23

def connection
  @connection
end

Class Method Details

.at(_address, client: nil, as: nil) ⇒ Object 



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# File 'lib/etherlite/contract/base.rb', line 13

def self.at(_address, client: nil, as: nil)
  client ||= ::Etherlite # use default client if no client is provided

  new(
    client.connection,
    Etherlite::Utils.normalize_address_param(_address),
    as || client.
  )
end

.events ⇒ Object 



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# File 'lib/etherlite/contract/base.rb', line 9

def self.events
  @events ||= []
end

.functions ⇒ Object 



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# File 'lib/etherlite/contract/base.rb', line 5

def self.functions
  @functions ||= []
end

Instance Method Details

#get_logs(events: nil, from_block: :earliest, to_block: :latest) ⇒ Object 



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# File 'lib/etherlite/contract/base.rb', line 31

def get_logs(events: nil, from_block: :earliest, to_block: :latest)
  params = {
    address: json_encoded_address,
    fromBlock: Etherlite::Utils.encode_block_param(from_block),
    toBlock: Etherlite::Utils.encode_block_param(to_block)
  }

  params[:topics] = [events.map { |e| event_topic e }] unless events.nil?

  event_map = Hash[(events || self.class.events).map { |e| [event_topic(e), e] }]

  logs = @connection.ipc_call(:eth_getLogs, params)
  logs.map do |log|
    event = event_map[log["topics"].first]
    # TODO: support anonymous events!
    event.decode(@connection, log) unless event.nil?
  end
end