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

55 lines
1 KiB
Go
Raw Normal View History

package event
import (
"fmt"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
)
// Parser is a function that constructs Event
// from the StackItem list.
type Parser func([]stackitem.Item) (Event, error)
// ParserInfo is a structure that groups
// the parameters of particular contract
// notification event parser.
type ParserInfo struct {
scriptHashWithType
p Parser
}
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()
}
// SetParser is an event parser setter.
func (s *ParserInfo) SetParser(v Parser) {
s.p = v
}
func (s ParserInfo) parser() Parser {
return s.p
}
// SetType is an event type setter.
func (s *ParserInfo) SetType(v Type) {
s.typ = v
}
func (s ParserInfo) getType() Type {
return s.typ
}