// convenience for replay mode
func newConsensusState() *consensus.ConsensusState {
// Get BlockStore
blockStoreDB := dbm.GetDB("blockstore")
blockStore := bc.NewBlockStore(blockStoreDB)
// Get State
stateDB := dbm.GetDB("state")
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(proxyAppConnMempool)
consensusState := consensus.NewConsensusState(state.Copy(), proxyAppConnConsensus, blockStore, mempool)
consensusState.SetEventSwitch(eventSwitch)
return consensusState
}
// Load the most recent state from "state" db,
// or create a new one (and save) from genesis.
func getState() *sm.State {
stateDB := dbm.GetDB("state")
state := sm.LoadState(stateDB)
if state == nil {
state = sm.MakeGenesisStateFromFile(stateDB, config.GetString("genesis_file"))
state.Save()
}
return state
}
func NewNode(privValidator *types.PrivValidator) *Node {
// Get BlockStore
blockStoreDB := dbm.GetDB("blockstore")
blockStore := bc.NewBlockStore(blockStoreDB)
// Get State
state := getState()
// 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)
// 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))
}
// Make BlockchainReactor
bcReactor := bc.NewBlockchainReactor(state.Copy(), proxyAppConnConsensus, blockStore, config.GetBool("fast_sync"))
// Make MempoolReactor
mempool := mempl.NewMempool(proxyAppConnMempool)
mempoolReactor := mempl.NewMempoolReactor(mempool)
// Make ConsensusReactor
consensusState := consensus.NewConsensusState(state.Copy(), proxyAppConnConsensus, blockStore, mempool)
consensusReactor := consensus.NewConsensusReactor(consensusState, blockStore, config.GetBool("fast_sync"))
if privValidator != nil {
consensusReactor.SetPrivValidator(privValidator)
}
// Make p2p network switch
sw := p2p.NewSwitch()
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{
sw: sw,
evsw: eventSwitch,
blockStore: blockStore,
bcReactor: bcReactor,
mempoolReactor: mempoolReactor,
consensusState: consensusState,
consensusReactor: consensusReactor,
privValidator: privValidator,
genesisDoc: state.GenesisDoc,
privKey: privKey,
}
}