forked from TrueCloudLab/frostfs-node
107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
package balance
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import (
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"fmt"
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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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"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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// Lock structure of balance.Lock notification from morph chain.
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type Lock struct {
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id []byte
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user util.Uint160
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lock util.Uint160
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amount int64 // Fixed16
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until int64
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// txHash is used in notary environmental
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// for calculating unique but same for
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// all notification receivers values.
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txHash util.Uint256
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}
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// MorphEvent implements Neo:Morph Event interface.
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func (Lock) MorphEvent() {}
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// ID is a withdraw transaction hash.
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func (l Lock) ID() []byte { return l.id }
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// User returns withdraw receiver script hash from main net.
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func (l Lock) User() util.Uint160 { return l.user }
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// LockAccount return script hash for balance contract wallet.
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func (l Lock) LockAccount() util.Uint160 { return l.lock }
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// Amount of the locked assets.
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func (l Lock) Amount() int64 { return l.amount }
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// Until is an epoch before locked account exists.
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func (l Lock) Until() int64 { return l.until }
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// TxHash returns hash of the TX with lock
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// notification.
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func (l Lock) TxHash() util.Uint256 { return l.txHash }
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// ParseLock from notification into lock structure.
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func ParseLock(e *state.ContainedNotificationEvent) (event.Event, error) {
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var (
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ev Lock
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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 != 5 {
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return nil, event.WrongNumberOfParameters(5, 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 lock 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 lock user value: %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 lock user value to uint160: %w", err)
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}
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// parse lock account
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lock, err := client.BytesFromStackItem(params[2])
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if err != nil {
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return nil, fmt.Errorf("could not get lock account value: %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 lock account value to uint160: %w", err)
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}
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// parse amount
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ev.amount, err = client.IntFromStackItem(params[3])
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if err != nil {
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return nil, fmt.Errorf("could not get lock amount: %w", err)
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}
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// parse until deadline
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ev.until, err = client.IntFromStackItem(params[4])
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if err != nil {
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return nil, fmt.Errorf("could not get lock deadline: %w", err)
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}
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ev.txHash = e.Container
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return ev, nil
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}
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