Include prefix to calculate total data length
Include prefix to calculate total data length

CounterpartyXCP/counterparty-lib,F483/counterparty-lib,monaparty/counterparty-lib,tokenly/counterparty-lib,F483/counterparty-lib,monaparty/counterparty-lib,jarymoth/counterpartyd,stefcrypto/counterparty-lib,coinwarp/dogeparty-lib,CounterpartyXCP/counterparty-lib