package morph import ( "errors" "fmt" "strings" "github.com/nspcc-dev/neo-go/pkg/io" "github.com/nspcc-dev/neo-go/pkg/rpcclient/management" "github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap" "github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/vm/emit" "github.com/spf13/cobra" "github.com/spf13/viper" ) func forceNewEpochCmd(cmd *cobra.Command, _ []string) error { wCtx, err := newInitializeContext(cmd, viper.GetViper()) if err != nil { return fmt.Errorf("can't to initialize context: %w", err) } r := management.NewReader(wCtx.ReadOnlyInvoker) cs, err := r.GetContractByID(1) if err != nil { return fmt.Errorf("can't get NNS contract info: %w", err) } nmHash, err := nnsResolveHash(wCtx.ReadOnlyInvoker, cs.Hash, netmapContract+".frostfs") if err != nil { return fmt.Errorf("can't get netmap contract hash: %w", err) } bw := io.NewBufBinWriter() if err := emitNewEpochCall(bw, wCtx, nmHash); err != nil { return err } if err := wCtx.sendConsensusTx(bw.Bytes()); err != nil { return err } if err := wCtx.awaitTx(); err != nil { if strings.Contains(err.Error(), "invalid epoch") { cmd.Println("Epoch has already ticked.") return nil } return err } return nil } func emitNewEpochCall(bw *io.BufBinWriter, wCtx *initializeContext, nmHash util.Uint160) error { curr, err := unwrap.Int64(wCtx.ReadOnlyInvoker.Call(nmHash, "epoch")) if err != nil { return errors.New("can't fetch current epoch from the netmap contract") } newEpoch := curr + 1 wCtx.Command.Printf("Current epoch: %d, increase to %d.\n", curr, newEpoch) // In NeoFS this is done via Notary contract. Here, however, we can form the // transaction locally. emit.AppCall(bw.BinWriter, nmHash, "newEpoch", callflag.All, newEpoch) return bw.Err }