Method: Klay::Tx#decode

Defined in:
lib/klay/tx.rb

#decode(hex) ⇒ Klay::Tx

Decodes a transaction hex of any known type (2, 1, or legacy).

Parameters:

  • hex (String) —

    the raw transaction hex-string.

Returns:

Raises:



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# File 'lib/klay/tx.rb', line 106

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