Class: Web3::Eth::EthModule

Inherits:
Object
  • Object
show all
Includes:
Utility
Defined in:
lib/web3ethereum/eth_module.rb

Constant Summary collapse

PREFIX = 
'eth_'

Instance Method Summary collapse

Methods included from Utility

#from_hex, #hex, #remove_0x_head, #wei_to_ether

Constructor Details

#initialize(web3_rpc) ⇒ EthModule

Returns a new instance of EthModule.



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# File 'lib/web3ethereum/eth_module.rb', line 10

def initialize web3_rpc
  @web3_rpc = web3_rpc
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args) ⇒ Object 



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# File 'lib/web3ethereum/eth_module.rb', line 45

def method_missing m, *args
  @web3_rpc.request "#{PREFIX}#{m}", args[0]
end

Instance Method Details

#blockNumber ⇒ Object 



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# File 'lib/web3ethereum/eth_module.rb', line 24

def blockNumber
  from_hex @web3_rpc.request("#{PREFIX}#{__method__}")
end

#contract(abi) ⇒ Object 



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# File 'lib/web3ethereum/eth_module.rb', line 36

def contract abi
  Web3::Eth::Contract.new abi, @web3_rpc
end

#getBalance(address, block = 'latest', convert_to_eth = true) ⇒ Object 



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# File 'lib/web3ethereum/eth_module.rb', line 14

def getBalance address, block = 'latest', convert_to_eth = true
  wei = @web3_rpc.request("#{PREFIX}#{__method__}", [address, block]).to_i 16
  convert_to_eth ? wei_to_ether(wei) : wei
end

#getBlockByNumber(block, full = true, convert_to_object = true) ⇒ Object 



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# File 'lib/web3ethereum/eth_module.rb', line 19

def getBlockByNumber block, full = true, convert_to_object = true
  resp = @web3_rpc.request("#{PREFIX}#{__method__}", [hex(block), full])
  convert_to_object ? Block.new(resp) : resp
end

#getTransactionByHash(tx_hash) ⇒ Object 



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# File 'lib/web3ethereum/eth_module.rb', line 28

def getTransactionByHash tx_hash
  Transaction.new @web3_rpc.request("#{PREFIX}#{__method__}", [tx_hash])
end

#getTransactionReceipt(tx_hash) ⇒ Object 



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# File 'lib/web3ethereum/eth_module.rb', line 32

def getTransactionReceipt tx_hash
  TransactionReceipt.new @web3_rpc.request("#{PREFIX}#{__method__}", [tx_hash])
end

#load_contract(etherscan_api, contract_address) ⇒ Object 



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# File 'lib/web3ethereum/eth_module.rb', line 40

def load_contract etherscan_api, contract_address
  contract(etherscan_api.contract_getabi address: contract_address).at contract_address
end