func MakeGenesisStateFromFile(db dbm.DB, genDocFile string) *State {
genDocJSON, err := ioutil.ReadFile(genDocFile)
if err != nil {
Exit(Fmt("Couldn't read GenesisDoc file: %v", err))
}
genDoc := types.GenesisDocFromJSON(genDocJSON)
return MakeGenesisState(db, genDoc)
}
// Users wishing to use an external signer for their validators
// should fork tendermint/tendermint and implement RunNode to
// load their custom priv validator and call NewNode(privVal)
func RunNode() {
// Wait until the genesis doc becomes available
genDocFile := config.GetString("genesis_file")
if !FileExists(genDocFile) {
log.Notice(Fmt("Waiting for genesis file %v...", genDocFile))
for {
time.Sleep(time.Second)
if !FileExists(genDocFile) {
continue
}
jsonBlob, err := ioutil.ReadFile(genDocFile)
if err != nil {
Exit(Fmt("Couldn't read GenesisDoc file: %v", err))
}
genDoc := types.GenesisDocFromJSON(jsonBlob)
if genDoc.ChainID == "" {
PanicSanity(Fmt("Genesis doc %v must include non-empty chain_id", genDocFile))
}
config.Set("chain_id", genDoc.ChainID)
config.Set("genesis_doc", genDoc)
}
}
// Get PrivValidator
privValidatorFile := config.GetString("priv_validator_file")
privValidator := types.LoadOrGenPrivValidator(privValidatorFile)
// Create & start node
n := NewNode(privValidator)
l := p2p.NewDefaultListener("tcp", config.GetString("node_laddr"), config.GetBool("skip_upnp"))
n.AddListener(l)
err := n.Start()
if err != nil {
Exit(Fmt("Failed to start node: %v", err))
}
log.Notice("Started node", "nodeInfo", n.sw.NodeInfo())
// If seedNode is provided by config, dial out.
if config.GetString("seeds") != "" {
n.DialSeed()
}
// Run the RPC server.
if config.GetString("rpc_laddr") != "" {
_, err := n.StartRPC()
if err != nil {
PanicCrisis(err)
}
}
// Sleep forever and then...
TrapSignal(func() {
n.Stop()
})
}
