code.vegaprotocol.io/vega@v0.79.0/core/checkpoint/genesis_state.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package checkpoint
    17  
    18  import "encoding/json"
    19  
    20  type GenesisState struct {
    21  	CheckpointHash  string `json:"load_hash"`
    22  	CheckpointState string `json:"state"`
    23  }
    24  
    25  func DefaultGenesisState() GenesisState {
    26  	return GenesisState{} // default no hash
    27  }
    28  
    29  func LoadGenesisState(data []byte) (*GenesisState, error) {
    30  	cp := &struct {
    31  		Checkpoint *GenesisState `json:"checkpoint"`
    32  	}{}
    33  	if err := json.Unmarshal(data, &cp); err != nil {
    34  		return nil, err
    35  	}
    36  	return cp.Checkpoint, nil
    37  }