mirror of https://github.com/waku-org/nwaku.git
58 lines
1.4 KiB
Nim
58 lines
1.4 KiB
Nim
{.push raises: [].}
|
|
|
|
import std/options, stew/arrayops
|
|
import ../common/protobuf, ../waku_core, ./common
|
|
|
|
proc encode*(req: SyncPayload): ProtoBuffer =
|
|
var pb = initProtoBuffer()
|
|
|
|
if req.syncRange.isSome():
|
|
pb.write3(31, req.syncRange.get()[0])
|
|
pb.write3(32, req.syncRange.get()[1])
|
|
|
|
if req.frameSize.isSome():
|
|
pb.write3(33, req.frameSize.get())
|
|
|
|
if req.negentropy.len > 0:
|
|
pb.write3(1, req.negentropy)
|
|
|
|
if req.hashes.len > 0:
|
|
for hash in req.hashes:
|
|
pb.write3(20, hash)
|
|
|
|
return pb
|
|
|
|
proc decode*(T: type SyncPayload, buffer: seq[byte]): ProtobufResult[T] =
|
|
var req = SyncPayload()
|
|
let pb = initProtoBuffer(buffer)
|
|
|
|
var rangeStart: uint64
|
|
var rangeEnd: uint64
|
|
if ?pb.getField(31, rangeStart) and ?pb.getField(32, rangeEnd):
|
|
req.syncRange = some((rangeStart, rangeEnd))
|
|
else:
|
|
req.syncRange = none((uint64, uint64))
|
|
|
|
var frame: uint64
|
|
if ?pb.getField(33, frame):
|
|
req.frameSize = some(frame)
|
|
else:
|
|
req.frameSize = none(uint64)
|
|
|
|
var negentropy: seq[byte]
|
|
if ?pb.getField(1, negentropy):
|
|
req.negentropy = negentropy
|
|
else:
|
|
req.negentropy = @[]
|
|
|
|
var buffer: seq[seq[byte]]
|
|
if not ?pb.getRepeatedField(20, buffer):
|
|
req.hashes = @[]
|
|
else:
|
|
req.hashes = newSeqOfCap[WakuMessageHash](buffer.len)
|
|
for buf in buffer:
|
|
let msg: WakuMessageHash = fromBytes(buf)
|
|
req.hashes.add(msg)
|
|
|
|
return ok(req)
|