package frostfs import ( "fmt" "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client" "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/event" "github.com/nspcc-dev/neo-go/pkg/core/state" "github.com/nspcc-dev/neo-go/pkg/util" ) // Withdraw structure of frostfs.Withdraw notification from mainnet chain. type Withdraw struct { IDValue []byte AmountValue int64 // Fixed8 UserValue util.Uint160 } // MorphEvent implements Neo:Morph Event interface. func (Withdraw) MorphEvent() {} // ID is a withdraw transaction hash. func (w Withdraw) ID() []byte { return w.IDValue } // User returns withdraw receiver script hash from main net. func (w Withdraw) User() util.Uint160 { return w.UserValue } // Amount of the withdraw assets. func (w Withdraw) Amount() int64 { return w.AmountValue } // ParseWithdraw notification into withdraw structure. func ParseWithdraw(e *state.ContainedNotificationEvent) (event.Event, error) { var ev Withdraw params, err := event.ParseStackArray(e) if err != nil { return nil, fmt.Errorf("could not parse stack items from notify event: %w", err) } if ln := len(params); ln != 3 { return nil, event.WrongNumberOfParameters(3, ln) } // parse user user, err := client.BytesFromStackItem(params[0]) if err != nil { return nil, fmt.Errorf("could not get withdraw user: %w", err) } ev.UserValue, err = util.Uint160DecodeBytesBE(user) if err != nil { return nil, fmt.Errorf("could not convert withdraw user to uint160: %w", err) } // parse amount ev.AmountValue, err = client.IntFromStackItem(params[1]) if err != nil { return nil, fmt.Errorf("could not get withdraw amount: %w", err) } // parse id ev.IDValue, err = client.BytesFromStackItem(params[2]) if err != nil { return nil, fmt.Errorf("could not get withdraw id: %w", err) } return ev, nil }