mirror of https://github.com/waku-org/nwaku.git
45 lines
1.6 KiB
Nim
45 lines
1.6 KiB
Nim
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when (NimMajor, NimMinor) < (1, 4):
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{.push raises: [Defect].}
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else:
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{.push raises: [].}
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import
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stew/results
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import
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../protocol/waku_message,
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../protocol/waku_noise/noise_types,
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../protocol/waku_noise/noise_utils
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# Decodes a WakuMessage to a PayloadV2
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# Currently, this is just a wrapper over deserializePayloadV2 and encryption/decryption is done on top (no KeyInfo)
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proc decodePayloadV2*(message: WakuMessage): Result[PayloadV2, cstring]
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{.raises: [NoiseMalformedHandshake, NoisePublicKeyError].} =
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# We check message version (only 2 is supported in this proc)
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case message.version
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of 2:
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# We attempt to decode the WakuMessage payload
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let deserializedPayload2 = deserializePayloadV2(message.payload)
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if deserializedPayload2.isOk():
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return ok(deserializedPayload2.get())
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else:
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return err("Failed to decode WakuMessage")
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else:
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return err("Wrong message version while decoding payload")
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# Encodes a PayloadV2 to a WakuMessage
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# Currently, this is just a wrapper over serializePayloadV2 and encryption/decryption is done on top (no KeyInfo)
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proc encodePayloadV2*(payload2: PayloadV2, contentTopic: ContentTopic = default(ContentTopic)): Result[WakuMessage, cstring]
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{.raises: [NoiseMalformedHandshake, NoisePublicKeyError].} =
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# We attempt to encode the PayloadV2
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let serializedPayload2 = serializePayloadV2(payload2)
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if not serializedPayload2.isOk():
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return err("Failed to encode PayloadV2")
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# If successful, we create and return a WakuMessage
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let msg = WakuMessage(payload: serializedPayload2.get(), version: 2, contentTopic: contentTopic)
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return ok(msg)
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