// JoinChannel joins the channel and initialize gossip state with given committer
func (g *gossipServiceImpl) JoinChannel(commiter committer.Committer, block *common.Block) error {
g.lock.Lock()
defer g.lock.Unlock()
if chainID, err := utils.GetChainIDFromBlock(block); err != nil {
return err
} else {
// Initialize new state provider for given committer
g.chains[chainID] = state.NewGossipStateProvider(g.gossip, commiter)
}
return 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
}