NewLevelDBStore return LevelDBStore instance.

used to compute the size of bloom filter bits array .

block by hash.

block commit by block hash.

block hash by height.

last block height.

BookKeeper state key prefix.

Smart contract deploy code key prefix.

record destroyed smart contract: prefix+address -> height.

eth account: address -> [nonce, codeHash].

eth contract code:hash -> bytes.

support eth filter height.

qc for last committed block to be used on restart.

tree leaf index by state key.

tree leaf count.

tree node value by position.

tree height.

qc by block hash.

state value by state key.

Smart contract storage key prefix.

tx by hash.

tx commit info by tx hash.

total committed tx count.

LevelDB store.

PersistStore of ledger.