def chaindb_churner(leveldb_churner): chain = load_mining_chain(FakeAsyncAtomicDB(leveldb_churner)) assert chain.chaindb.get_canonical_head().block_number == 129 return chain.chaindb
def chaindb_1000(leveldb_1000): chain = load_mining_chain(AtomicDB(leveldb_1000)) assert chain.chaindb.get_canonical_head().block_number == 1000 return chain.chaindb
def chaindb_fresh(): chain = load_mining_chain(FakeAsyncAtomicDB()) assert chain.chaindb.get_canonical_head().block_number == 0 return chain.chaindb