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genesis_state.go
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genesis_state.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package netparams
import (
"encoding/json"
"errors"
)
var ErrNoNetParamsGenesisState = errors.New("no network parameters genesis state")
type GenesisState map[string]string
func DefaultGenesisState() GenesisState {
state := map[string]string{}
netp := defaultNetParams()
for k, v := range netp {
if _, ok := Deprecated[k]; ok {
continue
}
state[k] = v.String()
}
return state
}
func LoadGenesisState(bytes []byte) (GenesisState, error) {
state := struct {
NetParams *GenesisState `json:"network_parameters"`
}{}
err := json.Unmarshal(bytes, &state)
if err != nil {
return nil, err
}
if state.NetParams == nil {
return nil, ErrNoNetParamsGenesisState
}
return *state.NetParams, nil
}
type GenesisStateOverwrite []string
func LoadGenesisStateOverwrite(bytes []byte) (GenesisStateOverwrite, error) {
state := struct {
NetParamsOverwrite *GenesisStateOverwrite `json:"network_parameters_checkpoint_overwrite"`
}{}
err := json.Unmarshal(bytes, &state)
if err != nil {
return nil, err
}
if state.NetParamsOverwrite == nil {
return nil, nil // not an error, not mandatory to have overwrite list
}
return *state.NetParamsOverwrite, nil
}