Module interviewpuzzle::engine

Syncronous engine for payment proccessing

Structs

ChargedbackTransacionError

ERROR: Transaction has been chargedback - no further action is possible.

DuplicateTransaction

ERROR: Deposit or Withdrawal transaction with the same ID already exists in the ledger.

InvalidRequestError

ERROR: Transaction has been chargedback - no further action is possible.

NonExistingTransaction

ERROR: Attempted to postprocess a non existent transaction.

PaymentEngine

Syncronous engine for payment proccessing