This Rust crate is a direct translation from the
C++ code of the Bitcoin Core. The
bitcoinleveldb-status crate is a subcomponent of
the Bitcoin system that provides a status code and
a status message for errors that may occur during
its operation.
Notice: This crate is part of a direct translation from C++ to Rust of the bitcoin core. As such, some of the function bodies may still be in the process of translation. Please note that this system will become testable once the translation process is complete.
The Status struct represents the status of
a Bitcoin system operation, with a StatusCode
indicating the type of error that occurred. These
codes are assigned with a corresponding error
message and can be checked programmatically to
handle errors in the system's operation.
The Bitcoin system is designed to be highly
reliable and robust, and the
bitcoinleveldb-status crate contributes to this
by providing error handling mechanisms through the
use of the Status and StatusCode
structs. These mechanisms ensure that errors are
detected and handled gracefully, which can help
prevent system crashes and data loss.
There are no mathematical ideas associated with the tokens in this crate.
73> which status codes do we have in leveldb?
In LevelDB, the StatusCode enum defines the
following status codes:
Ok: No error occurred.
NotFound: The specified key was not found in
the database.
Corruption: Data corruption occurred in the
database.
NotSupported: An unsupported operation was
attempted.
InvalidArgument: An invalid argument was
provided.
IOError: An I/O error occurred while accessing
the database.
MergeInProgress: A merge operation is already
in progress.
Incomplete: An operation was not completed
successfully.
ShutdownInProgress: The database is shutting
down.
TimedOut: A timed out error occurred.
Aborted: The operation was aborted.
Busy: The database is busy.
Expired: The requested key has expired.
TryAgain: A transient error occurred, and the
operation should be retried.
CompactionTooLarge: The requested compaction
is too large.
CompactionAborted: The requested compaction
was aborted.
IteratorError: An error occurred while
iterating over the database.
DatabaseDropped: The database was dropped.
BatchTooLarge: The batch is too large.
WriteBatchAborted: The write batch was
aborted.
74> which operations require a status to be returned?
In general, any operation that can result in an error or unexpected behavior may require a status to be returned. In the case of leveldb, this includes operations such as opening a database, reading or writing data, and managing database resources.
For example, when reading or writing data, the status may indicate whether the operation was successful or whether there was an error such as a corruption in the database file. When managing database resources, the status may indicate whether the database was successfully opened or closed, or whether there was an error such as an I/O error.