func NewChain(do *definitions.Do) error {
// read chainID from genesis. genesis may be in dir
// if no genesis or no genesis.chain_id, chainID = name
var err error
if do.GenesisFile = resolveGenesisFile(do.GenesisFile, do.Path); do.GenesisFile == "" {
do.ChainID = do.Name
} else {
do.ChainID, err = getChainIDFromGenesis(do.GenesisFile, do.Name)
if err != nil {
return err
}
}
logger.Debugf("Starting Setup for ChnID =>\t%s\n", do.ChainID)
return setupChain(do, loaders.ErisChainNew)
}