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panic on marshal/unmarshal failures for genesisDoc

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This commit is contained in:
Anton Kaliaev
2017-10-17 13:33:57 +04:00
parent 6469e2ccca
commit 75b78bfb72
1 changed files with 9 additions and 8 deletions
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17
node/node.go
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@ -143,10 +143,7 @@ func NewNode(config *cfg.Config,
} }
// save genesis doc to prevent a certain class of user errors (e.g. when it // save genesis doc to prevent a certain class of user errors (e.g. when it
// was changed, accidentally or not). Also good for audit trail. // was changed, accidentally or not). Also good for audit trail.
err = saveGenesisDoc(stateDB, genDoc) saveGenesisDoc(stateDB, genDoc)
if err != nil {
return nil, fmt.Errorf("Failed to save genesis doc: %v", err)
}
} }
state := sm.LoadState(stateDB) state := sm.LoadState(stateDB)
@ -552,6 +549,7 @@ var (
genesisDocKey = []byte("genesisDoc") genesisDocKey = []byte("genesisDoc")
) )
// panics if failed to unmarshal bytes
func loadGenesisDoc(db dbm.DB) (*types.GenesisDoc, error) { func loadGenesisDoc(db dbm.DB) (*types.GenesisDoc, error) {
bytes := db.Get(genesisDocKey) bytes := db.Get(genesisDocKey)
if len(bytes) == 0 { if len(bytes) == 0 {
@ -559,15 +557,18 @@ func loadGenesisDoc(db dbm.DB) (*types.GenesisDoc, error) {
} else { } else {
var genDoc *types.GenesisDoc var genDoc *types.GenesisDoc
err := json.Unmarshal(bytes, &genDoc) err := json.Unmarshal(bytes, &genDoc)
return genDoc, err if err != nil {
cmn.PanicCrisis(fmt.Sprintf("Failed to load genesis doc due to unmarshaling error: %v (bytes: %X)", err, bytes))
}
return genDoc, nil
} }
} }
func saveGenesisDoc(db dbm.DB, genDoc *types.GenesisDoc) error { // panics if failed to marshal the given genesis document
func saveGenesisDoc(db dbm.DB, genDoc *types.GenesisDoc) {
bytes, err := json.Marshal(genDoc) bytes, err := json.Marshal(genDoc)
if err != nil { if err != nil {
return err cmn.PanicCrisis(fmt.Sprintf("Failed to save genesis doc due to marshaling error: %v", err))
} }
db.SetSync(genesisDocKey, bytes) db.SetSync(genesisDocKey, bytes)
return nil
} }