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fix(rln-relay): deserialization of valid merkle roots (#1973)

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Aaryamann Challani 2023-08-31 13:19:43 +05:30 committed by GitHub
parent e272bec9c5
commit d262837ea5
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1 changed files with 4 additions and 4 deletions
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waku/waku_rln_relay/rln/wrappers.nim
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@ -371,13 +371,13 @@ proc deserialize*(T: type MerkleNodeSeq, merkleNodeByteSeq: seq[byte]): T =
## the order of serialization is |merkle_node_len<8>|merkle_node[len]| ## the order of serialization is |merkle_node_len<8>|merkle_node[len]|
var roots = newSeq[MerkleNode]() var roots = newSeq[MerkleNode]()
var i = 1'u64
let len = uint64.fromBytes(merkleNodeByteSeq[0..7], Endianness.littleEndian) let len = uint64.fromBytes(merkleNodeByteSeq[0..7], Endianness.littleEndian)
trace "length of valid roots", len trace "length of valid roots", len
let offset = 8'u64 for i in 0'u64..<len:
for i in 1'u64..len:
# convert seq[byte] to array[32, byte] # convert seq[byte] to array[32, byte]
let rawRoot = merkleNodeByteSeq[offset*i .. offset*i + 31] let fromByte = 8 + i*32
let toByte = fromByte + 31
let rawRoot = merkleNodeByteSeq[fromByte..toByte]
trace "raw root", rawRoot = rawRoot trace "raw root", rawRoot = rawRoot
var root: MerkleNode var root: MerkleNode
discard root.copyFrom(rawRoot) discard root.copyFrom(rawRoot)