Tradehub.Tx.Type.validate-exclamation-mark

You're seeing just the callback validate-exclamation-mark, go back to Tradehub.Tx.Type module for more information.

Specs

validate!(term()) :: term()

This function trying to validate the given payload and returns the payload itself, if no errors found. Or else, an Tradehub.Tx.MsgInvalid error will be raised.