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205b57fe71
* port kvstore from nim-beacon-chain * remove old database backends * use kvstore in trie database * add sqlite dep * avoid template param double evaluation * clean up heterogenous lookup todo
48 lines
846 B
Nim
48 lines
846 B
Nim
{.used.}
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import
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unittest,
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../../eth/db/kvstore
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const
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key = [0'u8, 1, 2, 3]
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value = [3'u8, 2, 1, 0]
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value2 = [5'u8, 2, 1, 0]
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proc testKvStore*(db: KvStoreRef) =
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check:
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db != nil
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not db.get(key, proc(data: openArray[byte]) = discard)[]
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not db.contains(key)[]
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db.del(key)[] # does nothing
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db.put(key, value)[]
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var v: seq[byte]
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proc grab(data: openArray[byte]) =
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v = @data
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check:
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db.contains(key)[]
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db.get(key, grab)[]
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v == value
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db.put(key, value2)[] # overwrite old value
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check:
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db.contains(key)[]
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db.get(key, grab)[]
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v == value2
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db.del(key)[]
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check:
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not db.get(key, proc(data: openArray[byte]) = discard)[]
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not db.contains(key)[]
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db.del(key)[] # does nothing
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suite "MemoryStoreRef":
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test "KvStore interface":
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testKvStore(kvStore MemStoreRef.init())
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