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stackitem: don't overwrite error when serializing Item

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We must get out as quickly as possible.
This commit is contained in:
Roman Khimov 2021-07-06 17:51:46 +03:00
parent e34fa2e915
commit 1b7b7e4bec
1 changed files with 3 additions and 0 deletions
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3
pkg/vm/stackitem/serialization.go
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@ -39,6 +39,9 @@ func EncodeBinaryStackItemAppExec(item Item, w *io.BinWriter) {
}
func serializeItemTo(item Item, w *io.BinWriter, allowInvalid bool, seen map[Item]bool) {
if w.Err != nil {
return
}
if seen[item] {
w.Err = errors.New("recursive structures can't be serialized")
return