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// Copyright 2015, 2016 Eris Industries (UK) Ltd.
// This file is part of Eris-RT
// Eris-RT is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Eris-RT is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Eris-RT. If not, see <http://www.gnu.org/licenses/>.
package core
import (
"fmt"
"net/http"
// TODO: [ben] swap out go-events with eris-db/event (currently unused)
events "github.com/tendermint/go-events"
log "github.com/eris-ltd/eris-logger"
config "github.com/eris-ltd/eris-db/config"
consensus "github.com/eris-ltd/eris-db/consensus"
definitions "github.com/eris-ltd/eris-db/definitions"
event "github.com/eris-ltd/eris-db/event"
manager "github.com/eris-ltd/eris-db/manager"
erismint "github.com/eris-ltd/eris-db/manager/eris-mint"
rpccore "github.com/eris-ltd/eris-db/rpc/tendermint/core"
// rpc_v0 is carried over from Eris-DBv0.11 and before on port 1337
rpc_v0 "github.com/eris-ltd/eris-db/rpc/v0"
// rpc_tendermint is carried over from Eris-DBv0.11 and before on port 46657
// rpc_tendermint "github.com/eris-ltd/eris-db/rpc/tendermint"
server "github.com/eris-ltd/eris-db/server"
"github.com/tendermint/go-rpc/server"
"github.com/tendermint/tendermint/node"
"net"
"strings"
)
// Core is the high-level structure
type Core struct {
chainId string
evsw *events.EventSwitch
pipe definitions.Pipe
func NewCore(chainId string, consensusConfig *config.ModuleConfig,
managerConfig *config.ModuleConfig) (*Core, error) {
// start new event switch, TODO: [ben] replace with eris-db/event
evsw := events.NewEventSwitch()
evsw.Start()
// start a new application pipe that will load an application manager
pipe, err := manager.NewApplicationPipe(managerConfig, evsw,
consensusConfig.Version)
if err != nil {
return nil, fmt.Errorf("Failed to load application pipe: %v", err)
}
log.Debug("Loaded pipe with application manager")
// pass the consensus engine into the pipe
consensus.LoadConsensusEngineInPipe(consensusConfig, pipe)
return &Core{
chainId: chainId,
evsw: evsw,
pipe: pipe,
}, nil
//------------------------------------------------------------------------------
// Explicit switch that can later be abstracted into an `Engine` definition
// where the Engine defines the explicit interaction of a specific application
// manager with a consensus engine.
// TODO: [ben] before such Engine abstraction,
// think about many-manager-to-one-consensus
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//------------------------------------------------------------------------------
// Server functions
// NOTE: [ben] in phase 0 we exactly take over the full server architecture
// from Eris-DB and Tendermint; This is a draft and will be overhauled.
func (core *Core) NewGatewayV0(config *server.ServerConfig) (*server.ServeProcess,
error) {
codec := &rpc_v0.TCodec{}
eventSubscriptions := event.NewEventSubscriptions(core.pipe.Events())
// The services.
tmwss := rpc_v0.NewErisDbWsService(codec, core.pipe)
tmjs := rpc_v0.NewErisDbJsonService(codec, core.pipe, eventSubscriptions)
// The servers.
jsonServer := rpc_v0.NewJsonRpcServer(tmjs)
restServer := rpc_v0.NewRestServer(codec, core.pipe, eventSubscriptions)
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wsServer := server.NewWebSocketServer(config.WebSocket.MaxWebSocketSessions,
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// Create a server process.
proc, err := server.NewServeProcess(config, jsonServer, restServer, wsServer)
if err != nil {
return nil, fmt.Errorf("Failed to load gateway: %v", err)
}
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return proc, nil
}
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func StartRPC(config config.ModuleConfig, n *node.Node, erisMint *erismint.ErisMint) ([]net.Listener, error) {
rpccore.SetConfig(config)
rpccore.SetErisMint(erisMint)
rpccore.SetBlockStore(n.BlockStore())
rpccore.SetConsensusState(n.ConsensusState())
rpccore.SetConsensusReactor(n.ConsensusReactor())
rpccore.SetMempoolReactor(n.MempoolReactor())
rpccore.SetSwitch(n.Switch())
rpccore.SetPrivValidator(n.PrivValidator())
// TODO: programming
//rpccore.SetGenDoc(LoadGenDoc(config.GetString("genesis_file")))
// TODO: also programming
//listenAddrs := strings.Split(config.GetString("rpc_laddr"), ",")
listenAddrs := strings.Split("127.0.0.1", ",")
// we may expose the rpc over both a unix and tcp socket
listeners := make([]net.Listener, len(listenAddrs))
for i, listenAddr := range listenAddrs {
mux := http.NewServeMux()
wm := rpcserver.NewWebsocketManager(rpccore.Routes, n.EventSwitch())
mux.HandleFunc("/websocket", wm.WebsocketHandler)
rpcserver.RegisterRPCFuncs(mux, rpccore.Routes)
listener, err := rpcserver.StartHTTPServer(listenAddr, mux)
if err != nil {
return nil, err
}
listeners[i] = listener
}
return listeners, nil
}