// convenience for replay mode
func newConsensusState(config cfg.Config) *consensus.ConsensusState {
// Get BlockStore
blockStoreDB := dbm.NewDB("blockstore", config.GetString("db_backend"), config.GetString("db_dir"))
blockStore := bc.NewBlockStore(blockStoreDB)
// Get State
stateDB := dbm.NewDB("state", config.GetString("db_backend"), config.GetString("db_dir"))
state := sm.MakeGenesisStateFromFile(stateDB, config.GetString("genesis_file"))
// Create two proxyAppConn connections,
// one for the consensus and one for the mempool.
proxyAddr := config.GetString("proxy_app")
proxyAppConnMempool := GetProxyApp(proxyAddr, state.AppHash)
proxyAppConnConsensus := GetProxyApp(proxyAddr, state.AppHash)
// add the chainid to the global config
config.Set("chain_id", state.ChainID)
// Make event switch
eventSwitch := events.NewEventSwitch()
_, err := eventSwitch.Start()
if err != nil {
Exit(Fmt("Failed to start event switch: %v", err))
}
mempool := mempl.NewMempool(config, proxyAppConnMempool)
consensusState := consensus.NewConsensusState(config, state.Copy(), proxyAppConnConsensus, blockStore, mempool)
consensusState.SetEventSwitch(eventSwitch)
return consensusState
}
func NewNode(config cfg.Config, privValidator *types.PrivValidator, getProxyApp func(proxyAddr string, appHash []byte) proxy.AppConn) *Node {
EnsureDir(config.GetString("db_dir"), 0700) // incase we use memdb, cswal still gets written here
// Get BlockStore
blockStoreDB := dbm.NewDB("blockstore", config.GetString("db_backend"), config.GetString("db_dir"))
blockStore := bc.NewBlockStore(blockStoreDB)
// Get State db
stateDB := dbm.NewDB("state", config.GetString("db_backend"), config.GetString("db_dir"))
// Get State
state := getState(config, stateDB)
// Create two proxyAppConn connections,
// one for the consensus and one for the mempool.
proxyAddr := config.GetString("proxy_app")
proxyAppConnMempool := getProxyApp(proxyAddr, state.AppHash)
proxyAppConnConsensus := getProxyApp(proxyAddr, state.AppHash)
// add the chainid and number of validators to the global config
config.Set("chain_id", state.ChainID)
config.Set("num_vals", state.Validators.Size())
// Generate node PrivKey
privKey := crypto.GenPrivKeyEd25519()
// Make event switch
eventSwitch := events.NewEventSwitch()
_, err := eventSwitch.Start()
if err != nil {
Exit(Fmt("Failed to start switch: %v", err))
}
// Decide whether to fast-sync or not
// We don't fast-sync when the only validator is us.
fastSync := config.GetBool("fast_sync")
if state.Validators.Size() == 1 {
addr, _ := state.Validators.GetByIndex(0)
if bytes.Equal(privValidator.Address, addr) {
fastSync = false
}
}
// Make BlockchainReactor
bcReactor := bc.NewBlockchainReactor(state.Copy(), proxyAppConnConsensus, blockStore, fastSync)
// Make MempoolReactor
mempool := mempl.NewMempool(config, proxyAppConnMempool)
mempoolReactor := mempl.NewMempoolReactor(config, mempool)
// Make ConsensusReactor
consensusState := consensus.NewConsensusState(config, state.Copy(), proxyAppConnConsensus, blockStore, mempool)
consensusReactor := consensus.NewConsensusReactor(consensusState, blockStore, fastSync)
if privValidator != nil {
consensusReactor.SetPrivValidator(privValidator)
}
// deterministic accountability
err = consensusState.OpenWAL(config.GetString("cswal"))
if err != nil {
log.Error("Failed to open cswal", "error", err.Error())
}
// Make p2p network switch
sw := p2p.NewSwitch(config)
sw.AddReactor("MEMPOOL", mempoolReactor)
sw.AddReactor("BLOCKCHAIN", bcReactor)
sw.AddReactor("CONSENSUS", consensusReactor)
// add the event switch to all services
// they should all satisfy events.Eventable
SetEventSwitch(eventSwitch, bcReactor, mempoolReactor, consensusReactor)
// run the profile server
profileHost := config.GetString("prof_laddr")
if profileHost != "" {
go func() {
log.Warn("Profile server", "error", http.ListenAndServe(profileHost, nil))
}()
}
return &Node{
config: config,
sw: sw,
evsw: eventSwitch,
blockStore: blockStore,
bcReactor: bcReactor,
mempoolReactor: mempoolReactor,
consensusState: consensusState,
consensusReactor: consensusReactor,
privValidator: privValidator,
genesisDoc: state.GenesisDoc,
privKey: privKey,
}
}