98 lines
2.2 KiB
Go
98 lines
2.2 KiB
Go
package app
|
|
|
|
import (
|
|
"encoding/json"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
cmn "github.com/tendermint/tmlibs/common"
|
|
)
|
|
|
|
func (app *Basecoin) LoadGenesis(path string) error {
|
|
genDoc, err := loadGenesis(path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// set chain_id
|
|
app.SetOption("base/chain_id", genDoc.ChainID)
|
|
|
|
// set accounts
|
|
for _, acct := range genDoc.AppOptions.Accounts {
|
|
_ = app.SetOption("coin/account", string(acct))
|
|
}
|
|
|
|
// set plugin options
|
|
for _, kv := range genDoc.AppOptions.pluginOptions {
|
|
_ = app.SetOption(kv.Key, kv.Value)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
type keyValue struct {
|
|
Key string `json:"key"`
|
|
Value string `json:"value"`
|
|
}
|
|
|
|
// includes tendermint (in the json, we ignore here)
|
|
type FullGenesisDoc struct {
|
|
ChainID string `json:"chain_id"`
|
|
AppOptions *GenesisDoc `json:"app_options"`
|
|
}
|
|
|
|
type GenesisDoc struct {
|
|
Accounts []json.RawMessage `json:"accounts"`
|
|
PluginOptions []json.RawMessage `json:"plugin_options"`
|
|
|
|
pluginOptions []keyValue // unmarshaled rawmessages
|
|
}
|
|
|
|
func loadGenesis(filePath string) (*FullGenesisDoc, error) {
|
|
bytes, err := cmn.ReadFile(filePath)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "loading genesis file")
|
|
}
|
|
|
|
// the basecoin genesis go-wire/data :)
|
|
genDoc := new(FullGenesisDoc)
|
|
err = json.Unmarshal(bytes, genDoc)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "unmarshaling genesis file")
|
|
}
|
|
|
|
if genDoc.AppOptions == nil {
|
|
genDoc.AppOptions = new(GenesisDoc)
|
|
}
|
|
|
|
pluginOpts, err := parseGenesisList(genDoc.AppOptions.PluginOptions)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
genDoc.AppOptions.pluginOptions = pluginOpts
|
|
return genDoc, nil
|
|
}
|
|
|
|
func parseGenesisList(kvz_ []json.RawMessage) (kvz []keyValue, err error) {
|
|
if len(kvz_)%2 != 0 {
|
|
return nil, errors.New("genesis cannot have an odd number of items. Format = [key1, value1, key2, value2, ...]")
|
|
}
|
|
|
|
for i := 0; i < len(kvz_); i += 2 {
|
|
kv := keyValue{}
|
|
rawK := []byte(kvz_[i])
|
|
err := json.Unmarshal(rawK, &(kv.Key))
|
|
if err != nil {
|
|
return nil, errors.Errorf("Non-string key: %s", string(rawK))
|
|
}
|
|
// convert value to string if possible (otherwise raw json)
|
|
rawV := kvz_[i+1]
|
|
err = json.Unmarshal(rawV, &(kv.Value))
|
|
if err != nil {
|
|
kv.Value = string(rawV)
|
|
}
|
|
kvz = append(kvz, kv)
|
|
}
|
|
return kvz, nil
|
|
}
|