TrueCloudLab/neoneo-go
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vm: break circular references when recursing into ToContractParameters

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Reference types can have circular pointers to each other, thus we need to
control recursion.
This commit is contained in:
Roman Khimov 2020-03-03 12:52:56 +03:00
parent 3282c6ed41
commit 9b4fd99fbc
4 changed files with 37 additions and 23 deletions
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4
pkg/rpc/response/result/application_log.go
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@ -6,6 +6,7 @@ import (
"github.com/CityOfZion/neo-go/pkg/core/state"
"github.com/CityOfZion/neo-go/pkg/smartcontract"
"github.com/CityOfZion/neo-go/pkg/util"
"github.com/CityOfZion/neo-go/pkg/vm"
)
// ApplicationLog wrapper used for the representation of the
@ -35,7 +36,8 @@ type NotificationEvent struct {
func NewApplicationLog(appExecRes *state.AppExecResult, scriptHash util.Uint160) ApplicationLog {
events := make([]NotificationEvent, 0, len(appExecRes.Events))
for _, e := range appExecRes.Events {
item := e.Item.ToContractParameter()
seen := make(map[vm.StackItem]bool)
item := e.Item.ToContractParameter(seen)
events = append(events, NotificationEvent{
Contract: e.ScriptHash,
Item: item,