module Eth::Tx

def decode(hex)

Raises:
  • (TransactionTypeError) - if the transaction type is unknown.

Returns:
  • (Eth::Tx) - transaction payload.

Parameters:
  • hex (String) -- the raw transaction hex-string. 
def decode(hex)
  hex = Util.remove_hex_prefix hex
  type = hex[0, 2].to_i(16)
  case type
  when TYPE_1559
    # EIP-1559 transaction (type 2)
    return Tx::Eip1559.decode hex
  when TYPE_2930
    # EIP-2930 transaction (type 1)
    return Tx::Eip2930.decode hex
  else
    # Legacy transaction if first byte is RLP (>= 192)
    if type >= 0xc0
      return Tx::Legacy.decode hex
    else
      raise TransactionTypeError, "Cannot decode unknown transaction type #{type}!"
    end
  end
end