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https://github.com/logos-storage/logos-storage-network-crawler.git
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41 lines
931 B
Nim
41 lines
931 B
Nim
import pkg/datastore
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import pkg/datastore/typedds
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import pkg/questionable/results
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import pkg/chronos
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import pkg/libp2p
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import ../types
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import
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type
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NodeEntry* = object
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id*: Nid
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lastVisit*: uint64
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NodeStore* = ref object
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store: TypedDatastore
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proc `$`*(entry: NodeEntry): string =
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$entry.id & ":" & $entry.lastVisit
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proc toBytes*(entry: NodeEntry): seq[byte] =
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var buffer = initProtoBuffer()
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buffer.write(1, $entry.id)
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buffer.write(2, entry.lastVisit)
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buffer.finish()
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return buffer.buffer
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proc fromBytes*(_: type NodeEntry, data: openArray[byte]): ?!NodeEntry =
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var
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buffer = initProtoBuffer(data)
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idStr: string
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lastVisit: uint64
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if buffer.getField(1, idStr).isErr:
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return failure("Unable to decode `idStr`")
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if buffer.getField(2, lastVisit).isErr:
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return failure("Unable to decode `lastVisit`")
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return success(NodeEntry(id: Nid.fromStr(idStr), lastVisit: lastVisit))
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