83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
package frostfs
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import (
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"fmt"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
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"git.frostfs.info/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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// Deposit structure of frostfs.Deposit notification from mainnet chain.
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type Deposit struct {
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IDValue []byte
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AmountValue int64 // Fixed8
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FromValue util.Uint160
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ToValue util.Uint160
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}
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// MorphEvent implements Neo:Morph Event interface.
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func (Deposit) MorphEvent() {}
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// ID is a deposit transaction hash.
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func (d Deposit) ID() []byte { return d.IDValue }
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// From is a script hash of asset sender in main net.
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func (d Deposit) From() util.Uint160 { return d.FromValue }
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// To is a script hash of asset receiver in balance contract.
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func (d Deposit) To() util.Uint160 { return d.ToValue }
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// Amount of transferred assets.
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func (d Deposit) Amount() int64 { return d.AmountValue }
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// ParseDeposit notification into deposit structure.
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func ParseDeposit(e *state.ContainedNotificationEvent) (event.Event, error) {
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var ev Deposit
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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 from
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from, err := client.BytesFromStackItem(params[0])
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if err != nil {
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return nil, fmt.Errorf("could not get deposit sender: %w", err)
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}
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ev.FromValue, err = util.Uint160DecodeBytesBE(from)
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if err != nil {
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return nil, fmt.Errorf("could not convert deposit sender to uint160: %w", err)
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}
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// parse amount
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ev.AmountValue, err = client.IntFromStackItem(params[1])
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if err != nil {
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return nil, fmt.Errorf("could not get deposit amount: %w", err)
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}
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// parse to
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to, err := client.BytesFromStackItem(params[2])
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if err != nil {
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return nil, fmt.Errorf("could not get deposit receiver: %w", err)
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}
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ev.ToValue, err = util.Uint160DecodeBytesBE(to)
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if err != nil {
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return nil, fmt.Errorf("could not convert deposit receiver to uint160: %w", err)
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}
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// parse id
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ev.IDValue, err = client.BytesFromStackItem(params[3])
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if err != nil {
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return nil, fmt.Errorf("could not get deposit id: %w", err)
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}
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return ev, nil
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}
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