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Closes: #10281 fix tendermint rollback changelog update tendermint to recent v0.35.x branch
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| package server | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/cosmos/cosmos-sdk/client/flags" | ||
| "github.com/cosmos/cosmos-sdk/store/rootmulti" | ||
| "github.com/spf13/cobra" | ||
| tmcmd "github.com/tendermint/tendermint/cmd/tendermint/commands" | ||
| ) | ||
|
|
||
| // NewRollbackCmd creates a command to rollback tendermint and multistore state by one height. | ||
| func NewRollbackCmd(defaultNodeHome string) *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "rollback", | ||
| Short: "rollback cosmos-sdk and tendermint state by one height", | ||
| Long: ` | ||
| A state rollback is performed to recover from an incorrect application state transition, | ||
| when Tendermint has persisted an incorrect app hash and is thus unable to make | ||
| progress. Rollback overwrites a state at height n with the state at height n - 1. | ||
| The application also roll back to height n - 1. No blocks are removed, so upon | ||
| restarting Tendermint the transactions in block n will be re-executed against the | ||
| application. | ||
| `, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| ctx := GetServerContextFromCmd(cmd) | ||
| cfg := ctx.Config | ||
| home := cfg.RootDir | ||
| db, err := openDB(home) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| // rollback tendermint state | ||
| height, hash, err := tmcmd.RollbackState(ctx.Config) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to rollback tendermint state: %w", err) | ||
| } | ||
| // rollback the multistore | ||
| cms := rootmulti.NewStore(db) | ||
| cms.RollbackToVersion(height) | ||
|
|
||
| fmt.Printf("Rolled back state to height %d and hash %X", height, hash) | ||
| return nil | ||
| }, | ||
| } | ||
|
|
||
| cmd.Flags().String(flags.FlagHome, defaultNodeHome, "The application home directory") | ||
| return cmd | ||
| } |
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