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" ) // Cheque structure of frostfs.Cheque notification from mainnet chain. type Cheque struct { id []byte amount int64 // Fixed8 user util.Uint160 lock util.Uint160 } // MorphEvent implements Neo:Morph Event interface. func (Cheque) MorphEvent() {} // ID is a withdraw transaction hash. func (c Cheque) ID() []byte { return c.id } // User returns withdraw receiver script hash from main net. func (c Cheque) User() util.Uint160 { return c.user } // Amount of the sent assets. func (c Cheque) Amount() int64 { return c.amount } // LockAccount return script hash for balance contract wallet. func (c Cheque) LockAccount() util.Uint160 { return c.lock } // ParseCheque from notification into cheque structure. func ParseCheque(e *state.ContainedNotificationEvent) (event.Event, error) { var ( ev Cheque err error ) 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 != 4 { return nil, event.WrongNumberOfParameters(4, ln) } // parse id ev.id, err = client.BytesFromStackItem(params[0]) if err != nil { return nil, fmt.Errorf("could not get cheque id: %w", err) } // parse user user, err := client.BytesFromStackItem(params[1]) if err != nil { return nil, fmt.Errorf("could not get cheque user: %w", err) } ev.user, err = util.Uint160DecodeBytesBE(user) if err != nil { return nil, fmt.Errorf("could not convert cheque user to uint160: %w", err) } // parse amount ev.amount, err = client.IntFromStackItem(params[2]) if err != nil { return nil, fmt.Errorf("could not get cheque amount: %w", err) } // parse lock account lock, err := client.BytesFromStackItem(params[3]) if err != nil { return nil, fmt.Errorf("could not get cheque lock account: %w", err) } ev.lock, err = util.Uint160DecodeBytesBE(lock) if err != nil { return nil, fmt.Errorf("could not convert cheque lock account to uint160: %w", err) } return ev, nil }