67 lines
1.4 KiB
Nim
67 lines
1.4 KiB
Nim
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## Nim-Codex
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## Copyright (c) 2022 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import pkg/questionable/results
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import pkg/libp2p/protobuf/minprotobuf
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type
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Tag* = object
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idx*: int64
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tag*: seq[byte]
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TagsMessage* = object
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cid*: seq[byte]
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tags*: seq[Tag]
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func write*(pb: var ProtoBuffer, field: int, value: Tag) =
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var ipb = initProtoBuffer()
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ipb.write(1, value.idx.uint64)
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ipb.write(2, value.tag)
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ipb.finish()
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pb.write(field, ipb)
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func encode*(msg: TagsMessage): seq[byte] =
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var ipb = initProtoBuffer()
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ipb.write(1, msg.cid)
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for tag in msg.tags:
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ipb.write(2, tag)
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ipb.finish()
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ipb.buffer
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func decode*(_: type Tag, pb: ProtoBuffer): ProtoResult[Tag] =
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var
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value = Tag()
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idx: uint64
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discard ? pb.getField(1, idx)
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value.idx = idx.int64
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discard ? pb.getField(2, value.tag)
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ok(value)
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func decode*(_: type TagsMessage, msg: openArray[byte]): ProtoResult[TagsMessage] =
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var
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value = TagsMessage()
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pb = initProtoBuffer(msg)
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discard ? pb.getField(1, value.cid)
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var
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bytes: seq[seq[byte]]
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discard ? pb.getRepeatedField(2, bytes)
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for b in bytes:
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value.tags.add(? Tag.decode(initProtoBuffer(b)))
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ok(value)
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