frostfs-node/pkg/morph/event/parser.go
Alex Vanin 174efc9df3 [] Update neo-go to pre-preview4 version
Neo-go does not use smartcontract.Parameter to return values
anymore, so it's convertes partly removed from neofs-node.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2020-11-02 13:54:31 +03:00

53 lines
1 KiB
Go

package event
import (
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/pkg/errors"
)
// 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 errors.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
}