c042f6a429
Add handlers and parsers functionality for listener. Separate notification and notary events by files. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package event
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import (
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/network/payload"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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)
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// NotificationParser is a function that constructs Event
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// from the StackItem list.
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type NotificationParser func([]stackitem.Item) (Event, error)
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// NotificationParserInfo is a structure that groups
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// the parameters of particular contract
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// notification event parser.
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type NotificationParserInfo struct {
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scriptHashWithType
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p NotificationParser
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}
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// NotaryPreparator constructs NotaryEvent
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// from the NotaryRequest event.
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type NotaryPreparator interface {
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Prepare(*payload.P2PNotaryRequest) (NotaryEvent, error)
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}
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// NotaryParser is a function that constructs Event
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// from the NotaryEvent event.
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type NotaryParser func(NotaryEvent) (Event, error)
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// NotaryParserInfo is a structure that groups
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// the parameters of particular notary request
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// event parser.
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type NotaryParserInfo struct {
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notaryRequestTypes
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p NotaryParser
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}
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func (n *NotaryParserInfo) parser() NotaryParser {
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return n.p
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}
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func (n *NotaryParserInfo) SetParser(p NotaryParser) {
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n.p = p
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}
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// SetParser is an event parser setter.
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func (s *NotificationParserInfo) SetParser(v NotificationParser) {
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s.p = v
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}
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func (s NotificationParserInfo) parser() NotificationParser {
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return s.p
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}
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// SetType is an event type setter.
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func (s *NotificationParserInfo) SetType(v Type) {
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s.typ = v
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}
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func (s NotificationParserInfo) getType() Type {
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return s.typ
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}
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type wrongPrmNumber struct {
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exp, act int
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}
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// WrongNumberOfParameters returns an error about wrong number of smart contract parameters.
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func WrongNumberOfParameters(exp, act int) error {
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return &wrongPrmNumber{
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exp: exp,
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act: act,
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}
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}
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func (s wrongPrmNumber) Error() string {
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return fmt.Errorf("wrong parameter count: expected %d, has %d", s.exp, s.act).Error()
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}
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