TrueCloudLab/neo-go
8
0
Fork 0
mirror of https://github.com/nspcc-dev/neo-go.git synced 2025-05-07 15:07:36 +00:00
Code Issues Projects Releases Packages Wiki Activity

stackitem: properly detect recursive references during serialization

Browse source 
If we're done with element it no longer can lead to recursion error, so fix
cases like `[arr, arr]` where we have two copies of `arr` trigger this error
for no good reason (there is no recursion there).
This commit is contained in:
Roman Khimov 2021-07-06 17:10:31 +03:00
parent ae8f4ebd5e
commit 6879cbcdcc
2 changed files with 4 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
pkg/vm/stackitem/serialization.go
View file

@ -82,6 +82,7 @@ func serializeItemTo(item Item, w *io.BinWriter, allowInvalid bool, seen map[Ite
for i := range arr {
serializeItemTo(arr[i], w, allowInvalid, seen)
}
delete(seen, item)
case *Map:
seen[item] = true
@ -91,6 +92,7 @@ func serializeItemTo(item Item, w *io.BinWriter, allowInvalid bool, seen map[Ite
serializeItemTo(t.Value().([]MapElement)[i].Key, w, allowInvalid, seen)
serializeItemTo(t.Value().([]MapElement)[i].Value, w, allowInvalid, seen)
}
delete(seen, item)
case Null:
w.WriteB(byte(AnyT))
}