package privval import ( "io/ioutil" "os" "github.com/tendermint/tendermint/crypto" "github.com/tendermint/tendermint/libs/bytes" "github.com/tendermint/tendermint/types" ) // OldFilePV is the old version of the FilePV, pre v0.28.0. // Deprecated: Use FilePV instead. type OldFilePV struct { Address types.Address `json:"address"` PubKey crypto.PubKey `json:"pub_key"` LastHeight int64 `json:"last_height"` LastRound int `json:"last_round"` LastStep int8 `json:"last_step"` LastSignature []byte `json:"last_signature,omitempty"` LastSignBytes bytes.HexBytes `json:"last_signbytes,omitempty"` PrivKey crypto.PrivKey `json:"priv_key"` filePath string } // LoadOldFilePV loads an OldFilePV from the filePath. func LoadOldFilePV(filePath string) (*OldFilePV, error) { pvJSONBytes, err := ioutil.ReadFile(filePath) if err != nil { return nil, err } pv := &OldFilePV{} err = cdc.UnmarshalJSON(pvJSONBytes, &pv) if err != nil { return nil, err } // overwrite pubkey and address for convenience pv.PubKey = pv.PrivKey.PubKey() pv.Address = pv.PubKey.Address() pv.filePath = filePath return pv, nil } // Upgrade convets the OldFilePV to the new FilePV, separating the immutable and mutable components, // and persisting them to the keyFilePath and stateFilePath, respectively. // It renames the original file by adding ".bak". func (oldFilePV *OldFilePV) Upgrade(keyFilePath, stateFilePath string) *FilePV { privKey := oldFilePV.PrivKey pvKey := FilePVKey{ PrivKey: privKey, PubKey: privKey.PubKey(), Address: privKey.PubKey().Address(), filePath: keyFilePath, } pvState := FilePVLastSignState{ Height: oldFilePV.LastHeight, Round: oldFilePV.LastRound, Step: oldFilePV.LastStep, Signature: oldFilePV.LastSignature, SignBytes: oldFilePV.LastSignBytes, filePath: stateFilePath, } // Save the new PV files pv := &FilePV{ Key: pvKey, LastSignState: pvState, } pv.Save() // Rename the old PV file err := os.Rename(oldFilePV.filePath, oldFilePV.filePath+".bak") if err != nil { panic(err) } return pv }