forked from TrueCloudLab/frostfs-node
86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package frostfs
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import (
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"fmt"
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"github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
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"github.com/TrueCloudLab/frostfs-node/pkg/morph/event"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/util"
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)
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// Cheque structure of frostfs.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 *state.ContainedNotificationEvent) (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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