This wrapper replaces the TrieDatabaseRef and its derivatives by the new object CoreDbRef.
Here are some incomplete translations for objects and constructors.
Legacy notation | CoreDbRef based replacement |
---|---|
ChainDB | (don't use/avoid) |
ChainDbRef | CoreDbRef |
TrieDatabaseRef | CoreDbKvtRef |
HexaryTrie | CoreDbMptRef |
SecureHexaryTrie | CoreDbPhkRef |
DbTransaction | CoreDbTxRef |
TransactionID | CoreDbTxID |
Legacy notation | CoreDbRef based replacement |
---|---|
trieDB newChainDB("..") | newCoreDbRef(LegacyDbPersistent,"..") |
newMemoryDB() | newCoreDbRef(LegacyDbMemory) |
-- | |
initHexaryTrie(db,..) | db.mpt(..) (no pruning) |
db.mptPrune(..) (w/pruning true/false) | |
-- | |
initSecureHexaryTrie(db,..) | db.phk(..) (no pruning) |
db.phkPrune(..) (w/pruning true/false) | |
-- | |
newCaptureDB(db,memDB) | newCoreDbCaptRef(db) (see below) |
CoreDbRef -- base descriptor
| | | |
| | | +-- CoreDbMptRef -- hexary trie instance
| | | | : :
| | | +-- CoreDbMptRef -- hexary trie instance
| | |
| | |
| | +---- CoreDbPhkRef -- pre-hashed key hexary trie instance
| | | : :
| | +---- CoreDbPhkRef -- pre-hashed key hexary trie instance
| |
| |
| +------ CoreDbKvtRef -- single static key-value table
|
|
+-------- CoreDbCaptRef -- tracer support descriptor
let
db = newCoreDbRef(..) # new base descriptor
mpt = db.mpt(..) # hexary trie/Merkle Patricia Tree
phk = db.phk(..) # pre-hashed key hexary trie/MPT
kvt = db.kvt # key-value table
let
capture = newCoreDbCaptRef(db)
db = capture.recorder # use the recorder in place of db
...
for key,value in capture.recorder.kvt:
... # process recorded data