lib/etherlite/contract/base.rb in etherlite-0.1.4 vs lib/etherlite/contract/base.rb in etherlite-0.1.5

- old
+ new

@@ -1,25 +1,72 @@ module Etherlite::Contract + ## + # The base class for etherlite contract classes + # class Base include Etherlite::Api::Address + # The contract's registered functions def self.functions @functions ||= [] end + # The contract's registered events def self.events @events ||= [] end + # The contract's compiled bytecode in binary format (stored as hex) + def self.binary + @binary ||= begin + if /__[^_]+_+/ === unlinked_binary + raise UnlinkedContractError, 'compiled contract contains unresolved library references' + end + + unlinked_binary + end + end + + ## + # Deploys the contract and waits for the creation transaction to be mined. + # + # This method can be given a source account or client. If an account is given, the it will be + # used to send the creation transaction. If instead a client is given, the client + # `default_account` will be used to send the transaction. If no account nor client is given, + # then the default_account from the default client will be used (if configured). + # + # @param as (Object) The source account + # @param client (Object) The source client (no effect if :as is given) + # @param timeout (Integer) The transaction mining timeout in seconds, defaults to 120 seconds. + # + # This method also takes any parameters the underlying account.send_transaction accepts, like + # :gas, :gas_price, etc. + # + # @return [Object] instance of the contract class pointing the newly deployed contract address. + # + def self.deploy(_options = {}) + as = _options[:as] || _options[:client].try(:default_account) || Etherlite.default_account + + tx = as.send_transaction({ data: binary }.merge(_options)) + if tx.wait_for_block(timeout: _options.fetch(:timeout, 120)) + at tx.contract_address, as: as + end + end + + ## + # Creates a new instance of the contract class that points to a given address. + # + # + # def self.at(_address, client: nil, as: nil) _address = Etherlite::Utils.normalize_address_param _address if as new(as.connection, _address, as) else client ||= ::Etherlite - new(client.connection, _address, client.first_account) + new(client.connection, _address, client.default_account) end end attr_reader :connection @@ -27,9 +74,14 @@ @connection = _connection @normalized_address = _normalized_address @default_account = _default_account end + ## + # Searches for event logs emitted by this contract + # + # + # 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)