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ParseGenesisFile -> types.GenesisDocFromFile

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This commit is contained in:
Ethan Buchman
2017-06-26 16:16:54 -04:00
parent e4caf96bcb
commit 12c084c8c0
2 changed files with 21 additions and 18 deletions
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20
types/genesis.go
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@ -2,8 +2,11 @@ package types
import (
"encoding/json"
"io/ioutil"
"time"
"github.com/pkg/errors"
"github.com/tendermint/go-crypto"
"github.com/tendermint/go-wire/data"
cmn "github.com/tendermint/tmlibs/common"
@ -51,8 +54,25 @@ func (genDoc *GenesisDoc) ValidatorHash() []byte {
//------------------------------------------------------------
// Make genesis state from file
// GenesisDocFromJSON unmarshalls JSON data into a GenesisDoc.
func GenesisDocFromJSON(jsonBlob []byte) (*GenesisDoc, error) {
genDoc := GenesisDoc{}
err := json.Unmarshal(jsonBlob, &genDoc)
return &genDoc, err
}
// GenesisDocFromFile reads JSON data from a file and unmarshalls it into a GenesisDoc.
func GenesisDocFromFile(genDocFile string) (*GenesisDoc, error) {
jsonBlob, err := ioutil.ReadFile(genDocFile)
if err != nil {
return nil, errors.Wrap(err, "Couldn't read GenesisDoc file")
}
genDoc, err := GenesisDocFromJSON(jsonBlob)
if err != nil {
return nil, errors.Wrap(err, "Error reading GenesisDoc")
}
if genDoc.ChainID == "" {
return nil, errors.Errorf("Genesis doc %v must include non-empty chain_id", genDocFile)
}
return genDoc, nil
}