c167ae26f9
Parsers should have original notification structure to be able to construct internal event structure that contains necessary for unique nonce calculation information. So notification parsers take raw notification structure instead of slice of stack items. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package neofs
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import (
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/rpc/response/result/subscriptions"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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)
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// Cheque structure of neofs.Cheque notification from mainnet chain.
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type Cheque struct {
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id []byte
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amount int64 // Fixed8
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user util.Uint160
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lock util.Uint160
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}
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// MorphEvent implements Neo:Morph Event interface.
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func (Cheque) MorphEvent() {}
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// ID is a withdraw transaction hash.
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func (c Cheque) ID() []byte { return c.id }
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// User returns withdraw receiver script hash from main net.
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func (c Cheque) User() util.Uint160 { return c.user }
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// Amount of the sent assets.
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func (c Cheque) Amount() int64 { return c.amount }
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// LockAccount return script hash for balance contract wallet.
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func (c Cheque) LockAccount() util.Uint160 { return c.lock }
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// ParseCheque from notification into cheque structure.
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func ParseCheque(e *subscriptions.NotificationEvent) (event.Event, error) {
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var (
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ev Cheque
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err error
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)
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params, err := event.ParseStackArray(e)
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if err != nil {
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return nil, fmt.Errorf("could not parse stack items from notify event: %w", err)
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}
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if ln := len(params); ln != 4 {
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return nil, event.WrongNumberOfParameters(4, ln)
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}
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// parse id
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ev.id, err = client.BytesFromStackItem(params[0])
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if err != nil {
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return nil, fmt.Errorf("could not get cheque id: %w", err)
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}
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// parse user
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user, err := client.BytesFromStackItem(params[1])
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if err != nil {
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return nil, fmt.Errorf("could not get cheque user: %w", err)
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}
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ev.user, err = util.Uint160DecodeBytesBE(user)
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if err != nil {
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return nil, fmt.Errorf("could not convert cheque user to uint160: %w", err)
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}
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// parse amount
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ev.amount, err = client.IntFromStackItem(params[2])
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if err != nil {
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return nil, fmt.Errorf("could not get cheque amount: %w", err)
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}
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// parse lock account
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lock, err := client.BytesFromStackItem(params[3])
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if err != nil {
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return nil, fmt.Errorf("could not get cheque lock account: %w", err)
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}
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ev.lock, err = util.Uint160DecodeBytesBE(lock)
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if err != nil {
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return nil, fmt.Errorf("could not convert cheque lock account to uint160: %w", err)
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}
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return ev, nil
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}
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