frostfs-node/pkg/morph/event/parsers.go
Evgenii Stratonikov d0ce835fbf [#1546] morph/event: Merge notification parser and handlers
They are decoupled, but it is an error to have a handler without a
corresponding parser. Register them together on the code level and get
rid of unreachable code.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2024-12-11 07:39:49 +00:00

55 lines
1.3 KiB
Go

package event
import (
"fmt"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/network/payload"
)
// NotificationParser is a function that constructs Event
// from the StackItem list.
type NotificationParser func(*state.ContainedNotificationEvent) (Event, error)
// NotaryPreparator constructs NotaryEvent
// from the NotaryRequest event.
type NotaryPreparator interface {
Prepare(*payload.P2PNotaryRequest) (NotaryEvent, error)
}
// NotaryParser is a function that constructs Event
// from the NotaryEvent event.
type NotaryParser func(NotaryEvent) (Event, error)
// NotaryParserInfo is a structure that groups
// the parameters of particular notary request
// event parser.
type NotaryParserInfo struct {
notaryRequestTypes
p NotaryParser
}
func (n *NotaryParserInfo) parser() NotaryParser {
return n.p
}
func (n *NotaryParserInfo) SetParser(p NotaryParser) {
n.p = p
}
type wrongPrmNumber struct {
exp, act int
}
// WrongNumberOfParameters returns an error about wrong number of smart contract parameters.
func WrongNumberOfParameters(exp, act int) error {
return &wrongPrmNumber{
exp: exp,
act: act,
}
}
func (s wrongPrmNumber) Error() string {
return fmt.Errorf("wrong parameter count: expected %d, has %d", s.exp, s.act).Error()
}