gem "bitcore_rpc", github: "krtschmr/bitcore_rpc"

class BitcoinRPC < BitcoreRPC; end
class BitcoinCashRPC < BitcoreRPC; end
class DashRPC < BitcoreRPC; end
class LitecoinRPC < BitcoreRPC; end

$bitcoin_rpc = BitcoireRPC.new(user: "test", password: "myPazzwortz")
$litecoin_rpc = LitecoinRPC.new(user: "test", password: "swag", host: "myhost", debug: true)

$bitcoin_rpc.getnewaddress "myaddress", "bech32"

BitcoreRPC::ResponseError: Method not found (-32601)

# if RPC throws error, error will be printed with error code
# if RPC can't be reached, it throws ConnectionError, if wrong auth it gets Unauthenticated

# get_transactions ist alias method for listtransactions and accepts regular parameters

$bitcoin_rpc.get_transactions.each do |tx|
  tx_id = tx["txid"]
  address = tx["address"]
  amount = tx["amount"]
  confirmations = tx["confirmations"]  
  # do something
end