[#776] morph: Cleanup `InvocationScript` before sign

Necessary to skip check on the neo-go side.
This is a kludge purely for update to work.

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

cmd/frostfs-ir/config.go

@@ -7,6 +7,7 @@ import (
 
 	configViper "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common/config"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
 	"github.com/spf13/viper"
 	"go.uber.org/zap"
 )
@@ -67,6 +68,7 @@ func watchForSignal(cancel func()) {
 				if err != nil {
 					log.Error(logs.FrostFSNodeConfigurationReading, zap.Error(err))
 				}
+				client.KeepInvScript = cfg.GetBool("morph.keepinvscript")
 				log.Info(logs.FrostFSNodeConfigurationHasBeenReloadedSuccessfully)
 			case syscall.SIGTERM, syscall.SIGINT:
 				log.Info(logs.FrostFSNodeTerminationSignalHasBeenReceivedStopping)

cmd/frostfs-ir/main.go

@@ -10,6 +10,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/misc"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/innerring"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
 	"github.com/spf13/viper"
 	"go.uber.org/zap"
@@ -60,6 +61,7 @@ func main() {
 	var err error
 	cfg, err = newConfig()
 	exitErr(err)
+	client.KeepInvScript = cfg.GetBool("morph.keepinvscript")
 
 	logPrm.MetricsNamespace = "frostfs_ir"
 	err = logPrm.SetLevelString(

cmd/frostfs-node/config.go

@@ -24,6 +24,7 @@ import (
 	blobovniczaconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/blobstor/blobovnicza"
 	fstreeconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/blobstor/fstree"
 	loggerconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/logger"
+	morphconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/morph"
 	nodeconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/node"
 	objectconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/object"
 	replicatorconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/replicator"
@@ -212,6 +213,9 @@ func (a *applicationConfiguration) readConfig(c *config.Config) error {
 	a.EngineCfg.lowMem = engineconfig.EngineLowMemoryConsumption(c)
 	a.EngineCfg.rebuildWorkers = engineconfig.EngineRebuildWorkersCount(c)
 
+	// Kludge
+	client.KeepInvScript = morphconfig.KeepInvocationScript(c)
+
 	return engineconfig.IterateShards(c, false, func(sc *shardconfig.Config) error { return a.updateShardConfig(c, sc) })
 }
 

cmd/frostfs-node/config/morph/config.go

@@ -97,3 +97,8 @@ func SwitchInterval(c *config.Config) time.Duration {
 
 	return SwitchIntervalDefault
 }
+
+// KeepInvocationScript this is a kludge purely for update to work.
+func KeepInvocationScript(c *config.Config) bool {
+	return config.Bool(c.Sub(subsection), "keepinvscript")
+}

pkg/morph/client/notary.go

@@ -67,6 +67,9 @@ const (
 
 var errUnexpectedItems = errors.New("invalid number of NEO VM arguments on stack")
 
+// This is a kludge purely for update to work.
+var KeepInvScript bool
+
 func defaultNotaryConfig(c *Client) *notaryCfg {
 	return &notaryCfg{
 		txValidTime:    defaultNotaryValidTime,
@@ -418,6 +421,20 @@ func (c *Client) NotarySignAndInvokeTX(mainTx *transaction.Transaction) error {
 		return err
 	}
 
+	if !KeepInvScript {
+		// This is necessary to suppress this check on neo-go side:
+		// https://github.com/nspcc-dev/neo-go/blob/8ed6d97085d3229d4faf56a47bbd6cf73c132a76/pkg/services/notary/notary.go#L538
+		// This is a kludge purely for update to work.
+		for i := range mainTx.Signers {
+			for _, sig := range cosigners {
+				if mainTx.Signers[i].Account.Equals(sig.Account.ScriptHash()) {
+					mainTx.Scripts[i].InvocationScript = []byte{}
+					break
+				}
+			}
+		}
+	}
+
 	// Sign exactly the same transaction we've got from the received Notary request.
 	err = nAct.Sign(mainTx)
 	if err != nil {