frostfs-node/pkg/morph/event/utils.go

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package event
import (
"errors"
"fmt"
"github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
util2 "github.com/TrueCloudLab/frostfs-node/pkg/util"
"github.com/TrueCloudLab/frostfs-node/pkg/util/logger"
"github.com/nspcc-dev/neo-go/pkg/core/mempoolevent"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"go.uber.org/zap"
)
type scriptHashValue struct {
hash util.Uint160
}
type typeValue struct {
typ Type
}
type scriptHashWithType struct {
scriptHashValue
typeValue
}
type notaryRequestTypes struct {
notaryRequestMempoolType
notaryRequestType
scriptHashValue
}
type notaryRequestMempoolType struct {
mempoolTyp mempoolevent.Type
}
type notaryRequestType struct {
notaryType NotaryType
}
// GetMempoolType is a notary request mempool type getter.
func (n notaryRequestMempoolType) GetMempoolType() mempoolevent.Type {
return n.mempoolTyp
}
// SetMempoolType is a notary request mempool type setter.
func (n *notaryRequestMempoolType) SetMempoolType(typ mempoolevent.Type) {
n.mempoolTyp = typ
}
// RequestType is a notary request type getter.
func (n notaryRequestType) RequestType() NotaryType {
return n.notaryType
}
// SetRequestType is a notary request type setter.
func (n *notaryRequestType) SetRequestType(typ NotaryType) {
n.notaryType = typ
}
// SetScriptHash is a script hash setter.
func (s *scriptHashValue) SetScriptHash(v util.Uint160) {
s.hash = v
}
// ScriptHash is a script hash getter.
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func (s scriptHashValue) ScriptHash() util.Uint160 {
return s.hash
}
// SetType is an event type setter.
func (s *typeValue) SetType(v Type) {
s.typ = v
}
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// GetType is an event type getter.
func (s typeValue) GetType() Type {
return s.typ
}
// WorkerPoolHandler sets closure over worker pool w with passed handler h.
func WorkerPoolHandler(w util2.WorkerPool, h Handler, log *logger.Logger) Handler {
return func(e Event) {
err := w.Submit(func() {
h(e)
})
if err != nil {
log.Warn("could not Submit handler to worker pool",
zap.String("error", err.Error()),
)
}
}
}
var errEmptyStackArray = errors.New("stack item array is empty")
// ParseStackArray parses stack array from raw notification
// event received from neo-go RPC node.
func ParseStackArray(event *state.ContainedNotificationEvent) ([]stackitem.Item, error) {
arr, err := client.ArrayFromStackItem(event.Item)
if err != nil {
return nil, fmt.Errorf("stack item is not an array type: %w", err)
} else if len(arr) == 0 {
return nil, errEmptyStackArray
}
return arr, nil
}