* [NOD-828] Reimplement FFLDB (#663)
* [NOD-828] Create the database2 package that will some day replace the database package.
* [NOD-828] Implement a "bucket" key mechanism.
* [NOD-828] Move bucket.go into the ffldb2 package.
* [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway.
* [NOD-828] Copy over + fixup flat file structs from the old ffldb.
* [NOD-828] Implement flatFilePath.
* [NOD-828] Implement flatFileStore.write().
* [NOD-828] Implement flatFileStore.read().
* [NOD-828] Implement flatFileStore.rollback().
* [NOD-828] Sync the file to disk at the end of write().
* [NOD-828] Extract crc32ByteOrder to a separate variable.
* [NOD-828] Add a sanity test.
* [NOD-828] Remove context-unrelated methods from the Database interface.
* [NOD-828] Create an ffldb object. Simply work against a context.
* [NOD-828] Open the new database on start.
* [NOD-828] Create the leveldb package.
* [NOD-828] Implement opening/closing leveldb.
* [NOD-828] Implement get/put out of/into leveldb.
* [NOD-828] Implement transactions and make them implement a generic database interface.
* [NOD-828] Write sanity tests for leveldb with and without transactions.
* [NOD-828] Add another case to the transaction sanity test.
* [NOD-828] Implement AppendBlock/RetrieveBlock.
* [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package.
* [NOD-828] Add RollbackFlatData to the database interface.
* [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket.
* [NOD-828] Implement StoreBlock.
* [NOD-828] Implement FetchBlock.
* [NOD-828] Implement HasBlock.
* [NOD-828] Write a sanity test for block insertion.
* [NOD-828] Implement CurrentFlatDataLocation.
* [NOD-828] Implement storing the current block location.
* [NOD-828] Implement initializing/syncing the flat file block store and the "metadata".
* [NOD-828] Add InitBlockStore to TestBlockStoreSanity.
* [NOD-828] Fix rename errors.
* [NOD-828] Fix lint errors in the root database package.
* [NOD-828] Fix lint errors in the ffldb.go.
* [NOD-828] Fix lint errors in the flatfile/db.go.
* [NOD-828] Rename packages in such a way to make the linter happy.
* [NOD-828] Finish satisfying the linter.
* [NOD-828] Fix doc.go.
* [NOD-828] Fix comments in block.go.
* [NOD-828] Move dbaccess out of the database package.
* [NOD-828] Move opening/closing the database to dbaccess.
* [NOD-828] Move the Database interface to the root database package, since it's meant to be generic.
* [NOD-828] Make ffldb generic to later support additional databases.
* [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported.
* [NOD-828] Fix comments.
* [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore.
* [NOD-828] Make buckets nicer to use.
* [NOD-828] Implement cursors that iterate over some bucket.
* [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb.
* [NOD-828] Write a test making sure that flat file repair works.
* [NOD-828] Properly close the database in TestRepairFlatFiles.
* [NOD-828] Add a comment warning against putting and getting the same data within the same transaction.
* [NOD-828] Fix the flatFilesBucket description.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Fix the ffldb description.
* [NOD-828] Rename Database to DataAccessor and rename Handle to Database.
* [NOD-828] Make Get return nil if the value doesn't exist.
* [NOD-828] Attempt to close leveldb even if closing ffdb failed.
* [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket.
* [NOD-828] Fix not updating the store location in ffldb transactions.
* [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found.
* [NOD-828] Update the README and doc.go.
* [NOD-828] Simplify Bucket.Path().
* [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly.
* [NOD-828] Combine two lines into one.
* [NOD-828] Combine another two lines into one.
* [NOD-828] Move a misplaced comment.
* [NOD-828] Use Wrapf instead of Errorf where appropriate.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Fix Wrapf calls.
* [NOD-828] Fix comments.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Add a comment explaining the use of batches and snapshots.
* [NOD-828] Implement RollbackUnlessClosed().
* [NOD-828] Return both errors in StoreBlock rollback.
* [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor.
* [NOD-828] Make bucket a type alias instead of a struct.
* [NOD-828] Fix a typo.
* [NOD-828] Use copy instead of append in Bucket.
* [NOD-828] Extract flatFileLocationSerializedSize to a const.
* [NOD-828] Debugf -> Warnf in rollback.go.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Remove data length from flat file data format.
* [NOD-828] Rearrange TestLevelDBTransactionSanity a bit.
* [NOD-828] Add stack traces to all errors that come out of library functions.
* [NOD-828] Return errors from rollback().
* [NOD-828] Remove an irrelevant comment.
* [NOD-828] Remove redundant whitespace.
* [NOD-828] Handle nil in FetchBlock.
* [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct.
* Revert "[NOD-828] Make bucket a type alias instead of a struct."
This reverts commit 1fd39652
* [NOD-828] Fix revert errors.
* Revert "[NOD-828] Remove data length from flat file data format."
This reverts commit ef408e32
* [NOD-862] Move Cursor() into the DataAccessor interface.
* [NOD-828] Add Delete to DataAccessor.
* [NOD-828] Fix a couple of places that erroneously referenced blocks.
* [NOD-828] Add a comment on top of flatFileLocationSerializedSize.
* [NOD-828] Add Seek to Cursor.
* [NOD-828] Add First to Cursor.
* [NOD-828] Rename db to accessor in Context.
* [NOD-828] Make Get/Fetch calls return a boolean to indicate whether the requested item was found.
* [NOD-828] Name the output parameters of all Get functions.
* [NOD-828] Make RetrieveFromStore return whether the data was found.
* [NOD-887] Add a couple of QoL features to Cursor (#674)
* [NOD-887] Changed First to not return an error.
* [NOD-887] Fix merge error.
* [NOD-887] Make Cursor.Key not return the entire key path.
* [NOD-888] Add RollbackUnlessClosed to Context (#676)
* [NOD-888] Add RollbackUnlessClosed to Context.
* [NOD-888] Fix copy+paste error.
* [NOD-889] Instead of returning a boolean for not-found, return an error (#677)
* [NOD-889] Instead of returning a boolean for not-found, return an error.
* [NOD-889] Wrapped ErrNotFound for Get calls with nicer error messages.
* [NOD-889] Fix format.
* [NOD-889] Fix double space in a comment.
* [NOD-889] Add IsNotFoundError to dbaccess.
* [NOD-862] Replace calls to Tx.StoreBlock, Tx.HasBlock, Tx.FetchBlock with appropriate calls in dbaccess (#672)
* [NOD-828] Create the database2 package that will some day replace the database package.
* [NOD-828] Implement a "bucket" key mechanism.
* [NOD-828] Move bucket.go into the ffldb2 package.
* [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway.
* [NOD-828] Copy over + fixup flat file structs from the old ffldb.
* [NOD-828] Implement flatFilePath.
* [NOD-828] Implement flatFileStore.write().
* [NOD-828] Implement flatFileStore.read().
* [NOD-828] Implement flatFileStore.rollback().
* [NOD-828] Sync the file to disk at the end of write().
* [NOD-828] Extract crc32ByteOrder to a separate variable.
* [NOD-828] Add a sanity test.
* [NOD-828] Remove context-unrelated methods from the Database interface.
* [NOD-828] Create an ffldb object. Simply work against a context.
* [NOD-828] Open the new database on start.
* [NOD-828] Create the leveldb package.
* [NOD-828] Implement opening/closing leveldb.
* [NOD-828] Implement get/put out of/into leveldb.
* [NOD-828] Implement transactions and make them implement a generic database interface.
* [NOD-828] Write sanity tests for leveldb with and without transactions.
* [NOD-828] Add another case to the transaction sanity test.
* [NOD-828] Implement AppendBlock/RetrieveBlock.
* [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package.
* [NOD-828] Add RollbackFlatData to the database interface.
* [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket.
* [NOD-828] Implement StoreBlock.
* [NOD-828] Implement FetchBlock.
* [NOD-828] Implement HasBlock.
* [NOD-828] Write a sanity test for block insertion.
* [NOD-828] Implement CurrentFlatDataLocation.
* [NOD-828] Implement storing the current block location.
* [NOD-828] Implement initializing/syncing the flat file block store and the "metadata".
* [NOD-828] Add InitBlockStore to TestBlockStoreSanity.
* [NOD-828] Fix rename errors.
* [NOD-828] Fix lint errors in the root database package.
* [NOD-828] Fix lint errors in the ffldb.go.
* [NOD-828] Fix lint errors in the flatfile/db.go.
* [NOD-828] Rename packages in such a way to make the linter happy.
* [NOD-828] Finish satisfying the linter.
* [NOD-828] Fix doc.go.
* [NOD-828] Fix comments in block.go.
* [NOD-828] Move dbaccess out of the database package.
* [NOD-828] Move opening/closing the database to dbaccess.
* [NOD-828] Move the Database interface to the root database package, since it's meant to be generic.
* [NOD-828] Make ffldb generic to later support additional databases.
* [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported.
* [NOD-828] Fix comments.
* [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore.
* [NOD-828] Make buckets nicer to use.
* [NOD-828] Implement cursors that iterate over some bucket.
* [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb.
* [NOD-828] Write a test making sure that flat file repair works.
* [NOD-828] Properly close the database in TestRepairFlatFiles.
* [NOD-828] Add a comment warning against putting and getting the same data within the same transaction.
* [NOD-862] Use dbaccess.HasBlock instead of Tx.HasBlock in initDAGState.
* [NOD-862] Use dbaccess.StoreBlock instead of dbStoreBlock.
* [NOD-862] Use dbaccess.FetchBlock instead of various block fetching mechanisms.
* [NOD-828] Fix the flatFilesBucket description.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Fix the ffldb description.
* [NOD-828] Rename Database to DataAccessor and rename Handle to Database.
* [NOD-828] Make Get return nil if the value doesn't exist.
* [NOD-828] Attempt to close leveldb even if closing ffdb failed.
* [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket.
* [NOD-828] Fix not updating the store location in ffldb transactions.
* [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found.
* [NOD-828] Update the README and doc.go.
* [NOD-828] Simplify Bucket.Path().
* [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly.
* [NOD-828] Combine two lines into one.
* [NOD-828] Combine another two lines into one.
* [NOD-828] Move a misplaced comment.
* [NOD-828] Use Wrapf instead of Errorf where appropriate.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Fix Wrapf calls.
* [NOD-828] Fix comments.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Add a comment explaining the use of batches and snapshots.
* [NOD-828] Implement RollbackUnlessClosed().
* [NOD-828] Return both errors in StoreBlock rollback.
* [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor.
* [NOD-828] Make bucket a type alias instead of a struct.
* [NOD-828] Fix a typo.
* [NOD-828] Use copy instead of append in Bucket.
* [NOD-828] Extract flatFileLocationSerializedSize to a const.
* [NOD-828] Debugf -> Warnf in rollback.go.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Remove data length from flat file data format.
* [NOD-828] Rearrange TestLevelDBTransactionSanity a bit.
* [NOD-828] Add stack traces to all errors that come out of library functions.
* [NOD-828] Return errors from rollback().
* [NOD-828] Remove an irrelevant comment.
* [NOD-828] Remove redundant whitespace.
* [NOD-828] Handle nil in FetchBlock.
* [NOD-828] Implement a dbaccess.BlockNode struct.
* [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct.
* [NOD-828] Implement toDBBlockNode and fromDBBlockNode.
* Revert "[NOD-828] Make bucket a type alias instead of a struct."
This reverts commit 1fd39652
* [NOD-828] Fix revert errors.
* Revert "[NOD-828] Remove data length from flat file data format."
This reverts commit ef408e32
* [NOD-862] Implement storing index blocks.
* [NOD-862] Use database transactions where appropriate.
* [NOD-862] Fix tests failing on DAGSetup.
* [NOD-862] Fix bad make call.
* [NOD-862] Fix remaining database opening problems in tests.
* [NOD-862] Move Cursor() into the DataAccessor interface.
* [NOD-862] Move Cursor() into the DataAccessor interface.
* [NOD-862] Iterate over the new block index in dagio.
* [NOD-862] Fix block index key.
* [NOD-828] Add Delete to DataAccessor.
* [NOD-862] Pass byte slices to dbaccess instead of objects.
* [NOD-862] Fix errors.
* [NOD-862] Fix maybeAcceptBlock not checking block existence.
* [NOD-862] Fix TestAcceptanceIndexRecover.
* [NOD-862] Add comments to StoreBlockIndex and BlockIndexCursor.
* [NOD-828] Fix a couple of places that erroneously referenced blocks.
* [NOD-828] Add a comment on top of flatFileLocationSerializedSize.
* [NOD-828] Add Seek to Cursor.
* [NOD-828] Add First to Cursor.
* [NOD-828] Rename db to accessor in Context.
* [NOD-828] Make Get/Fetch calls return a boolean to indicate whether the requested item was found.
* [NOD-828] Name the output parameters of all Get functions.
* [NOD-828] Make RetrieveFromStore return whether the data was found.
* [NOD-862] Fix merge errors.
* [NOD-862] Fix DAGSetup using bad temp directories.
* [NOD-862] Fix TestProcessDelayedBlocks not closing the database properly.
* [NOD-862] Fix merge errors.
* [NOD-862] Merge flushToDBWithContext and flushToDB.
* [NOD-862] Remove TODO.
* [NOD-862] Add prefix to the temp dir in DAGSetup.
* [NOD-862] Bring back dbFetchBlockByHash.
* [NOD-862] Use BlockDAG.BlockByHash in p2p and rpc.
* [NOD-862] Use daghash.Hash in dbaccess.
* [NOD-862] Add defer to RollbackUnlessClosed after NewTx().
* [NOD-862] Extract dbStoreBlock to a separate function.
* [NOD-862] Fix grammar in comment.
* [NOD-862] Fix merge errors.
* [NOD-867] Migrate database logic in blockdag/dagio.go to dbaccess (#675)
* [NOD-828] Create the database2 package that will some day replace the database package.
* [NOD-828] Implement a "bucket" key mechanism.
* [NOD-828] Move bucket.go into the ffldb2 package.
* [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway.
* [NOD-828] Copy over + fixup flat file structs from the old ffldb.
* [NOD-828] Implement flatFilePath.
* [NOD-828] Implement flatFileStore.write().
* [NOD-828] Implement flatFileStore.read().
* [NOD-828] Implement flatFileStore.rollback().
* [NOD-828] Sync the file to disk at the end of write().
* [NOD-828] Extract crc32ByteOrder to a separate variable.
* [NOD-828] Add a sanity test.
* [NOD-828] Remove context-unrelated methods from the Database interface.
* [NOD-828] Create an ffldb object. Simply work against a context.
* [NOD-828] Open the new database on start.
* [NOD-828] Create the leveldb package.
* [NOD-828] Implement opening/closing leveldb.
* [NOD-828] Implement get/put out of/into leveldb.
* [NOD-828] Implement transactions and make them implement a generic database interface.
* [NOD-828] Write sanity tests for leveldb with and without transactions.
* [NOD-828] Add another case to the transaction sanity test.
* [NOD-828] Implement AppendBlock/RetrieveBlock.
* [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package.
* [NOD-828] Add RollbackFlatData to the database interface.
* [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket.
* [NOD-828] Implement StoreBlock.
* [NOD-828] Implement FetchBlock.
* [NOD-828] Implement HasBlock.
* [NOD-828] Write a sanity test for block insertion.
* [NOD-828] Implement CurrentFlatDataLocation.
* [NOD-828] Implement storing the current block location.
* [NOD-828] Implement initializing/syncing the flat file block store and the "metadata".
* [NOD-828] Add InitBlockStore to TestBlockStoreSanity.
* [NOD-828] Fix rename errors.
* [NOD-828] Fix lint errors in the root database package.
* [NOD-828] Fix lint errors in the ffldb.go.
* [NOD-828] Fix lint errors in the flatfile/db.go.
* [NOD-828] Rename packages in such a way to make the linter happy.
* [NOD-828] Finish satisfying the linter.
* [NOD-828] Fix doc.go.
* [NOD-828] Fix comments in block.go.
* [NOD-828] Move dbaccess out of the database package.
* [NOD-828] Move opening/closing the database to dbaccess.
* [NOD-828] Move the Database interface to the root database package, since it's meant to be generic.
* [NOD-828] Make ffldb generic to later support additional databases.
* [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported.
* [NOD-828] Fix comments.
* [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore.
* [NOD-828] Make buckets nicer to use.
* [NOD-828] Implement cursors that iterate over some bucket.
* [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb.
* [NOD-828] Write a test making sure that flat file repair works.
* [NOD-828] Properly close the database in TestRepairFlatFiles.
* [NOD-828] Add a comment warning against putting and getting the same data within the same transaction.
* [NOD-862] Use dbaccess.HasBlock instead of Tx.HasBlock in initDAGState.
* [NOD-862] Use dbaccess.StoreBlock instead of dbStoreBlock.
* [NOD-862] Use dbaccess.FetchBlock instead of various block fetching mechanisms.
* [NOD-828] Fix the flatFilesBucket description.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Fix the ffldb description.
* [NOD-828] Rename Database to DataAccessor and rename Handle to Database.
* [NOD-828] Make Get return nil if the value doesn't exist.
* [NOD-828] Attempt to close leveldb even if closing ffdb failed.
* [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket.
* [NOD-828] Fix not updating the store location in ffldb transactions.
* [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found.
* [NOD-828] Update the README and doc.go.
* [NOD-828] Simplify Bucket.Path().
* [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly.
* [NOD-828] Combine two lines into one.
* [NOD-828] Combine another two lines into one.
* [NOD-828] Move a misplaced comment.
* [NOD-828] Use Wrapf instead of Errorf where appropriate.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Fix Wrapf calls.
* [NOD-828] Fix comments.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Add a comment explaining the use of batches and snapshots.
* [NOD-828] Implement RollbackUnlessClosed().
* [NOD-828] Return both errors in StoreBlock rollback.
* [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor.
* [NOD-828] Make bucket a type alias instead of a struct.
* [NOD-828] Fix a typo.
* [NOD-828] Use copy instead of append in Bucket.
* [NOD-828] Extract flatFileLocationSerializedSize to a const.
* [NOD-828] Debugf -> Warnf in rollback.go.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Remove data length from flat file data format.
* [NOD-828] Rearrange TestLevelDBTransactionSanity a bit.
* [NOD-828] Add stack traces to all errors that come out of library functions.
* [NOD-828] Return errors from rollback().
* [NOD-828] Remove an irrelevant comment.
* [NOD-828] Remove redundant whitespace.
* [NOD-828] Handle nil in FetchBlock.
* [NOD-828] Implement a dbaccess.BlockNode struct.
* [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct.
* [NOD-828] Implement toDBBlockNode and fromDBBlockNode.
* Revert "[NOD-828] Make bucket a type alias instead of a struct."
This reverts commit 1fd39652
* [NOD-828] Fix revert errors.
* Revert "[NOD-828] Remove data length from flat file data format."
This reverts commit ef408e32
* [NOD-862] Implement storing index blocks.
* [NOD-862] Use database transactions where appropriate.
* [NOD-862] Fix tests failing on DAGSetup.
* [NOD-862] Fix bad make call.
* [NOD-862] Fix remaining database opening problems in tests.
* [NOD-862] Move Cursor() into the DataAccessor interface.
* [NOD-862] Move Cursor() into the DataAccessor interface.
* [NOD-862] Iterate over the new block index in dagio.
* [NOD-862] Fix block index key.
* [NOD-828] Add Delete to DataAccessor.
* [NOD-862] Pass byte slices to dbaccess instead of objects.
* [NOD-862] Fix errors.
* [NOD-862] Fix maybeAcceptBlock not checking block existence.
* [NOD-862] Fix TestAcceptanceIndexRecover.
* [NOD-862] Add comments to StoreBlockIndex and BlockIndexCursor.
* [NOD-828] Fix a couple of places that erroneously referenced blocks.
* [NOD-828] Add a comment on top of flatFileLocationSerializedSize.
* [NOD-828] Add Seek to Cursor.
* [NOD-828] Add First to Cursor.
* [NOD-828] Rename db to accessor in Context.
* [NOD-828] Make Get/Fetch calls return a boolean to indicate whether the requested item was found.
* [NOD-828] Name the output parameters of all Get functions.
* [NOD-828] Make RetrieveFromStore return whether the data was found.
* [NOD-862] Fix merge errors.
* [NOD-862] Fix DAGSetup using bad temp directories.
* [NOD-862] Fix TestProcessDelayedBlocks not closing the database properly.
* [NOD-867] Remove blockIndexBucket from dagio.
* [NOD-867] Fix wrong key in StoreIndexBucket.
* [NOD-867] Migrate DAG state to dbaccess.
* [NOD-867] Remove utxoSetVersionKeyName.
* [NOD-862] Fix merge errors.
* [NOD-867] Move localSubnetworkID into dagState.
* [NOD-867] Fix a comment.
* [NOD-867] Remove an unused function.
* [NOD-867] Migrate the database's UTXO set to dbaccess.
* [NOD-867] Add missing error check.
* [NOD-867] Changed First to not return an error.
* [NOD-867] Make Cursor.Key not return the entire key path.
* [NOD-887] Fix the comment above BlockIndexCursorFrom.
* [NOD-862] Merge flushToDBWithContext and flushToDB.
* [NOD-862] Remove TODO.
* [NOD-862] Add prefix to the temp dir in DAGSetup.
* [NOD-862] Bring back dbFetchBlockByHash.
* [NOD-862] Use BlockDAG.BlockByHash in p2p and rpc.
* [NOD-862] Use daghash.Hash in dbaccess.
* [NOD-862] Add defer to RollbackUnlessClosed after NewTx().
* [NOD-862] Extract dbStoreBlock to a separate function.
* [NOD-867] Remove TODOs.
* [NOD-867] Fix merge errors.
* [NOD-867] Fix comments and errors.
* [NOD-867] Unexport blockIndexKey.
* [NOD-867] Fix merge errors.
* [NOD-867] Move a misplaced comment.
* [NOD-867] Fix an error message.
* [NOD-867] Remove preallocation in initDAGState.
* [NOD-866] Migrate database logic in blockdag/indexers package to dbaccess (#682)
* [NOD-865] Delete blockidhash.go.
* [NOD-865] Remove a lot of no-longer relevant logic from indexers.
* [NOD-865] Pass TxContext to ConnectBlock.
* [NOD-865] Migrate the acceptance index to dbaccess.
* [NOD-865] Fix a block not being sent to ConnectBlock.
* [NOD-865] Pass the block's hash instead of the whole block.
* [NOD-865] Add forgotten Commit call.
* [NOD-865] Add comments.
* [NOD-866] Fix a comment.
* [NOD-866] Fix a comment.
* [NOD-866] Remove pointless indirection in acceptanceindex.
* [NOD-866] Fix comment over ForEachHash.
* [NOD-866] Rename ClearAcceptanceIndex to DropAcceptanceIndex.
* [NOD-866] Explain collecting keys before deleting them.
* [NOD-865] Move misc db logic to db access (#681)
* [NOD-828] Create the database2 package that will some day replace the database package.
* [NOD-828] Implement a "bucket" key mechanism.
* [NOD-828] Move bucket.go into the ffldb2 package.
* [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway.
* [NOD-828] Copy over + fixup flat file structs from the old ffldb.
* [NOD-828] Implement flatFilePath.
* [NOD-828] Implement flatFileStore.write().
* [NOD-828] Implement flatFileStore.read().
* [NOD-828] Implement flatFileStore.rollback().
* [NOD-828] Sync the file to disk at the end of write().
* [NOD-828] Extract crc32ByteOrder to a separate variable.
* [NOD-828] Add a sanity test.
* [NOD-828] Remove context-unrelated methods from the Database interface.
* [NOD-828] Create an ffldb object. Simply work against a context.
* [NOD-828] Open the new database on start.
* [NOD-828] Create the leveldb package.
* [NOD-828] Implement opening/closing leveldb.
* [NOD-828] Implement get/put out of/into leveldb.
* [NOD-828] Implement transactions and make them implement a generic database interface.
* [NOD-828] Write sanity tests for leveldb with and without transactions.
* [NOD-828] Add another case to the transaction sanity test.
* [NOD-828] Implement AppendBlock/RetrieveBlock.
* [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package.
* [NOD-828] Add RollbackFlatData to the database interface.
* [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket.
* [NOD-828] Implement StoreBlock.
* [NOD-828] Implement FetchBlock.
* [NOD-828] Implement HasBlock.
* [NOD-828] Write a sanity test for block insertion.
* [NOD-828] Implement CurrentFlatDataLocation.
* [NOD-828] Implement storing the current block location.
* [NOD-828] Implement initializing/syncing the flat file block store and the "metadata".
* [NOD-828] Add InitBlockStore to TestBlockStoreSanity.
* [NOD-828] Fix rename errors.
* [NOD-828] Fix lint errors in the root database package.
* [NOD-828] Fix lint errors in the ffldb.go.
* [NOD-828] Fix lint errors in the flatfile/db.go.
* [NOD-828] Rename packages in such a way to make the linter happy.
* [NOD-828] Finish satisfying the linter.
* [NOD-828] Fix doc.go.
* [NOD-828] Fix comments in block.go.
* [NOD-828] Move dbaccess out of the database package.
* [NOD-828] Move opening/closing the database to dbaccess.
* [NOD-828] Move the Database interface to the root database package, since it's meant to be generic.
* [NOD-828] Make ffldb generic to later support additional databases.
* [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported.
* [NOD-828] Fix comments.
* [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore.
* [NOD-828] Make buckets nicer to use.
* [NOD-828] Implement cursors that iterate over some bucket.
* [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb.
* [NOD-828] Write a test making sure that flat file repair works.
* [NOD-828] Properly close the database in TestRepairFlatFiles.
* [NOD-828] Add a comment warning against putting and getting the same data within the same transaction.
* [NOD-828] Fix the flatFilesBucket description.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Fix the ffldb description.
* [NOD-828] Rename Database to DataAccessor and rename Handle to Database.
* [NOD-828] Make Get return nil if the value doesn't exist.
* [NOD-828] Attempt to close leveldb even if closing ffdb failed.
* [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket.
* [NOD-828] Fix not updating the store location in ffldb transactions.
* [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found.
* [NOD-828] Update the README and doc.go.
* [NOD-828] Simplify Bucket.Path().
* [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly.
* [NOD-828] Combine two lines into one.
* [NOD-828] Combine another two lines into one.
* [NOD-828] Move a misplaced comment.
* [NOD-828] Use Wrapf instead of Errorf where appropriate.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Fix Wrapf calls.
* [NOD-828] Fix comments.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Add a comment explaining the use of batches and snapshots.
* [NOD-828] Implement RollbackUnlessClosed().
* [NOD-828] Return both errors in StoreBlock rollback.
* [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor.
* [NOD-828] Make bucket a type alias instead of a struct.
* [NOD-828] Fix a typo.
* [NOD-828] Use copy instead of append in Bucket.
* [NOD-828] Extract flatFileLocationSerializedSize to a const.
* [NOD-828] Debugf -> Warnf in rollback.go.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Remove data length from flat file data format.
* [NOD-828] Rearrange TestLevelDBTransactionSanity a bit.
* [NOD-828] Add stack traces to all errors that come out of library functions.
* [NOD-828] Return errors from rollback().
* [NOD-828] Remove an irrelevant comment.
* [NOD-828] Remove redundant whitespace.
* [NOD-828] Handle nil in FetchBlock.
* [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct.
* Revert "[NOD-828] Make bucket a type alias instead of a struct."
This reverts commit 1fd39652
* [NOD-828] Fix revert errors.
* Revert "[NOD-828] Remove data length from flat file data format."
This reverts commit ef408e32
* [NOD-862] Move Cursor() into the DataAccessor interface.
* [NOD-828] Add Delete to DataAccessor.
* [NOD-865] Move fee data db operations to dbaccess
* [NOD-865] Move reachability data db operations to dbaccess
* [NOD-865] Move UTXO diff data db operations to dbaccess
* [NOD-865] Move subnetwork data db operations to dbaccess
* [NOD-865] Fix createDAGState
* [NOD-865] Remove old Get signature with "exists"
* [NOD-865] Move multiset db operations to dbaccess
* [NOD-865] Use dbaccess transactions where possible
* [NOD-865] Remove old Get signature with "exists"
* [NOD-881] Recover TestGHOSTDAGErrors
* [NOD-865] Create function for db keys
* [NOD-865] Change Exists to Has, and use accessor.Has where possible
* [NOD-865] Make ClearReachabilityData transactive
* [NOD-865] Don't iterate cursors while changing db data
* [NOD-865] Rename RegisterSubnetwork -> StoreSubnetwork
* [NOD-865] Change bucket from utxodiffs to utxo-diffs
* [NOD-865] Rename SubnetworkExists->HasSubnetwork
* [NOD-865] Change a comment
* [NOD-865] Fix tests
* [NOD-865] Fix comment
* [NOD-865] Remove the prefix "db" from some functions
* [NOD-865] Remove redundant comments
* [NOD-865] Make clearBucket function
* [NOD-865] Make clear functions get a dbTx as an arg
* [NOD-865] Remove erroneous tx commit
Co-authored-by: stasatdaglabs <stas@daglabs.com>
* [NOD-868] Delete the old database package (#683)
* [NOD-828] Create the database2 package that will some day replace the database package.
* [NOD-828] Implement a "bucket" key mechanism.
* [NOD-828] Move bucket.go into the ffldb2 package.
* [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway.
* [NOD-828] Copy over + fixup flat file structs from the old ffldb.
* [NOD-828] Implement flatFilePath.
* [NOD-828] Implement flatFileStore.write().
* [NOD-828] Implement flatFileStore.read().
* [NOD-828] Implement flatFileStore.rollback().
* [NOD-828] Sync the file to disk at the end of write().
* [NOD-828] Extract crc32ByteOrder to a separate variable.
* [NOD-828] Add a sanity test.
* [NOD-828] Remove context-unrelated methods from the Database interface.
* [NOD-828] Create an ffldb object. Simply work against a context.
* [NOD-828] Open the new database on start.
* [NOD-828] Create the leveldb package.
* [NOD-828] Implement opening/closing leveldb.
* [NOD-828] Implement get/put out of/into leveldb.
* [NOD-828] Implement transactions and make them implement a generic database interface.
* [NOD-828] Write sanity tests for leveldb with and without transactions.
* [NOD-828] Add another case to the transaction sanity test.
* [NOD-828] Implement AppendBlock/RetrieveBlock.
* [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package.
* [NOD-828] Add RollbackFlatData to the database interface.
* [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket.
* [NOD-828] Implement StoreBlock.
* [NOD-828] Implement FetchBlock.
* [NOD-828] Implement HasBlock.
* [NOD-828] Write a sanity test for block insertion.
* [NOD-828] Implement CurrentFlatDataLocation.
* [NOD-828] Implement storing the current block location.
* [NOD-828] Implement initializing/syncing the flat file block store and the "metadata".
* [NOD-828] Add InitBlockStore to TestBlockStoreSanity.
* [NOD-828] Fix rename errors.
* [NOD-828] Fix lint errors in the root database package.
* [NOD-828] Fix lint errors in the ffldb.go.
* [NOD-828] Fix lint errors in the flatfile/db.go.
* [NOD-828] Rename packages in such a way to make the linter happy.
* [NOD-828] Finish satisfying the linter.
* [NOD-828] Fix doc.go.
* [NOD-828] Fix comments in block.go.
* [NOD-828] Move dbaccess out of the database package.
* [NOD-828] Move opening/closing the database to dbaccess.
* [NOD-828] Move the Database interface to the root database package, since it's meant to be generic.
* [NOD-828] Make ffldb generic to later support additional databases.
* [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported.
* [NOD-828] Fix comments.
* [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore.
* [NOD-828] Make buckets nicer to use.
* [NOD-828] Implement cursors that iterate over some bucket.
* [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb.
* [NOD-828] Write a test making sure that flat file repair works.
* [NOD-828] Properly close the database in TestRepairFlatFiles.
* [NOD-828] Add a comment warning against putting and getting the same data within the same transaction.
* [NOD-828] Fix the flatFilesBucket description.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Fix the ffldb description.
* [NOD-828] Rename Database to DataAccessor and rename Handle to Database.
* [NOD-828] Make Get return nil if the value doesn't exist.
* [NOD-828] Attempt to close leveldb even if closing ffdb failed.
* [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket.
* [NOD-828] Fix not updating the store location in ffldb transactions.
* [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found.
* [NOD-828] Update the README and doc.go.
* [NOD-828] Simplify Bucket.Path().
* [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly.
* [NOD-828] Combine two lines into one.
* [NOD-828] Combine another two lines into one.
* [NOD-828] Move a misplaced comment.
* [NOD-828] Use Wrapf instead of Errorf where appropriate.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Fix Wrapf calls.
* [NOD-828] Fix comments.
* [NOD-828] Remove superfluous whitespace.
* [NOD-828] Add a comment explaining the use of batches and snapshots.
* [NOD-828] Implement RollbackUnlessClosed().
* [NOD-828] Return both errors in StoreBlock rollback.
* [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor.
* [NOD-828] Make bucket a type alias instead of a struct.
* [NOD-828] Fix a typo.
* [NOD-828] Use copy instead of append in Bucket.
* [NOD-828] Extract flatFileLocationSerializedSize to a const.
* [NOD-828] Debugf -> Warnf in rollback.go.
* [NOD-828] Fix a comment.
* [NOD-828] Fix a comment.
* [NOD-828] Remove data length from flat file data format.
* [NOD-828] Rearrange TestLevelDBTransactionSanity a bit.
* [NOD-828] Add stack traces to all errors that come out of library functions.
* [NOD-828] Return errors from rollback().
* [NOD-828] Remove an irrelevant comment.
* [NOD-828] Remove redundant whitespace.
* [NOD-828] Handle nil in FetchBlock.
* [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct.
* Revert "[NOD-828] Make bucket a type alias instead of a struct."
This reverts commit 1fd39652
* [NOD-828] Fix revert errors.
* Revert "[NOD-828] Remove data length from flat file data format."
This reverts commit ef408e32
* [NOD-862] Move Cursor() into the DataAccessor interface.
* [NOD-828] Add Delete to DataAccessor.
* [NOD-865] Move fee data db operations to dbaccess
* [NOD-865] Move reachability data db operations to dbaccess
* [NOD-865] Move UTXO diff data db operations to dbaccess
* [NOD-865] Move subnetwork data db operations to dbaccess
* [NOD-865] Fix createDAGState
* [NOD-865] Remove old Get signature with "exists"
* [NOD-865] Move multiset db operations to dbaccess
* [NOD-865] Use dbaccess transactions where possible
* [NOD-865] Remove old Get signature with "exists"
* [NOD-881] Recover TestGHOSTDAGErrors
* [NOD-865] Create function for db keys
* [NOD-865] Change Exists to Has, and use accessor.Has where possible
* [NOD-865] Make ClearReachabilityData transactive
* [NOD-865] Don't iterate cursors while changing db data
* [NOD-865] Rename RegisterSubnetwork -> StoreSubnetwork
* [NOD-865] Change bucket from utxodiffs to utxo-diffs
* [NOD-865] Rename SubnetworkExists->HasSubnetwork
* [NOD-865] Change a comment
* [NOD-868] Remove all tests from old database.
* [NOD-868] Remove all unused methods from the old database's interfaces.
* [NOD-865] Fix tests
* [NOD-868] Remove references to DB.
* [NOD-865] Fix comment
* [NOD-868] Remove the old ffldb besides the interface and errors.go.
* [NOD-868] Remove errors.go.
* [NOD-868] Remove the old database package.
* [NOD-868] Add openDB to DAGSetup to emulate the old dbpath in dag.config.
* [NOD-868] Rename database2 to database.
* [NOD-868] Use NewTx instead of NoTx where required.
* [NOD-868] Fix merge errors.
* [NOD-868] Rename dbXXX functions to just xxx.
* [NOD-868] Rename putDAGState to saveDAGState.
* [NOD-868] Replace comments in initDAGState with logs.
* [NOD-868] Explain the openDB parameter in DAGSetup.
* [NOD-868] Fixup doc.go and README.md.
* [NOD-868] Remove pointless transactions.
Co-authored-by: Ori Newman <orinewman1@gmail.com>
* [NOD-805] Fix merge errors.
* [NOD-805] Fix a comment.
* [NOD-805] Don't return virtualTxsAcceptanceData from applyDAGChanges.
* [NOD-805] Add missing error handling in TestAcceptanceDataIndexRecover.
* [NOD-805] Rename blockDAG to dag in indexers/manager.go.
* [NOD-805] Defer cursor.Close() everywhere.
* [NOD-805] Rename scanFlatFiles to findCurrentLocation.
* [NOD-805] Extract crc32ChecksumLength and dataLengthLength to constants.
* [NOD-805] Handle open files properly in rollback.go.
* [NOD-805] Remove unnecessary func wrapper.
* [NOD-805] Remove unnecessary trimming in initialize.
* [NOD-805] Made StoreBlock accept only TxContext.
* [NOD-805] Changed the log level of an error message to Error.
* [NOD-805] Add a note about holding mutexes over deleteFile.
* [NOD-805] Remove a false comment.
* [NOD-805] Fix a comment.
* [NOD-805] Rename blk to block.
* [NOD-805] Extract utxoKey to a separate function.
* [NOD-805] Move dbaccess.xxxKey functions to the tops of their respective files.
* [NOD-805] Fix grammar in dbaccess/db.go.
* [NOD-805] Wrap a failed database corruption recovery error.
* [NOD-805] Split lines with WithStack in them.
* [NOD-805] Fix the comment over initialize.
* [NOD-805] Rename ffdb to flatFileDB and ldb to levelDB.
* [NOD-805] Fix a comment.
* [NOD-805] Fix a comment.
* [NOD-805] Use s.writeCursor instead of cursor.
* [NOD-805] Embed file in lockableFile.
* [NOD-805] the the -> the
* [NOD-805] openDB -> db
* [NOD-805] Use TxContext in all flushToDB functions.
* [NOD-805] Rename context -> dbContext.
* [NOD-805] Reword the comment at the beginning on initDAGState.
* [NOD-805] Explain cursor key trimming.
* [NOD-805] Remove Error from Cursor.
* [NOD-805] Return ErrNotFound from done Cursor Key and Value.
* [NOD-805] Add missing error handling.
* [NOD-805] Fix a comment.
* [NOD-805] Fix a variable name.
* [NOD-805] Remove pointless underscore.
* [NOD-805] Fix a comment.
* [NOD-805] Fix a variable name.
Co-authored-by: Mike Zak <feanorr@gmail.com>
Co-authored-by: Ori Newman <orinewman1@gmail.com>
stasatdaglabs