forked from TrueCloudLab/frostfs-node
75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
package morph
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import (
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"errors"
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"fmt"
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nns "github.com/nspcc-dev/neo-go/examples/nft-nd-nns"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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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"
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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, args []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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cs, err := wCtx.Client.GetContractStateByID(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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res, err := wCtx.Client.InvokeFunction(cs.Hash, "resolve", []smartcontract.Parameter{
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{Type: smartcontract.StringType, Value: netmapContract + ".neofs"},
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{Type: smartcontract.IntegerType, Value: int64(nns.TXT)},
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}, nil)
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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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if len(res.Stack) == 0 {
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return errors.New("empty response from NNS")
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}
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var nmHash util.Uint160
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bs, err := res.Stack[0].TryBytes()
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if err == nil {
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nmHash, err = util.Uint160DecodeStringLE(string(bs))
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}
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if err != nil {
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return fmt.Errorf("invalid response from NNS contract: %w", err)
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}
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res, err = wCtx.Client.InvokeFunction(nmHash, "epoch", []smartcontract.Parameter{}, []transaction.Signer{{
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Account: wCtx.CommitteeAcc.Contract.ScriptHash(),
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Scopes: transaction.Global, // Scope is important, as we have nested call to container contract.
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}})
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if err != nil || res.State != vm.HaltState.String() || len(res.Stack) == 0 {
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return errors.New("can't fetch current epoch from the netmap contract")
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}
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bi, err := res.Stack[0].TryInteger()
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if err != nil {
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return fmt.Errorf("can't parse current epoch: %w", err)
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}
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newEpoch := bi.Int64() + 1
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cmd.Printf("Current epoch: %s, increase to %d.\n", bi, 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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bw := io.NewBufBinWriter()
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emit.AppCall(bw.BinWriter, nmHash, "newEpoch", callflag.All, newEpoch)
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if err := wCtx.sendCommitteeTx(bw.Bytes(), -1); err != nil {
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return err
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}
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return wCtx.awaitTx()
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}
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