// joinChain will join the specified chain in the configuration block.
// Since it is the first block, it is the genesis block containing configuration
// for this chain, so we want to update the Chain object with this info
func joinChain(blockBytes []byte) ([]byte, error) {
if blockBytes == nil {
return nil, fmt.Errorf("Genesis block must not be nil.")
}
block, err := utils.GetBlockFromBlockBytes(blockBytes)
if err != nil {
return nil, fmt.Errorf("Failed to reconstruct the genesis block, %s", err)
}
if err := peer.CreateChainFromBlock(block); err != nil {
return nil, err
}
return nil, nil
}
func updateConfigBlock(blockBytes []byte) ([]byte, error) {
if blockBytes == nil {
return nil, errors.New("Configuration block must not be nil.")
}
block, err := utils.GetBlockFromBlockBytes(blockBytes)
if err != nil {
return nil, fmt.Errorf("Failed to reconstruct the configuration block, %s", err)
}
chainID, err := utils.GetChainIDFromBlock(block)
if err != nil {
return nil, fmt.Errorf("Failed to get the chain ID from the configuration block, %s", err)
}
if err := peer.SetCurrConfigBlock(block, chainID); err != nil {
return nil, err
}
// TODO: would committer get ledger and update ?
return nil, nil
}