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