290 lines
9.6 KiB
Go
290 lines
9.6 KiB
Go
// Copyright 2017-2021 DERO Project. All rights reserved.
|
|
// Use of this source code in any form is governed by RESEARCH license.
|
|
// license can be found in the LICENSE file.
|
|
// GPG: 0F39 E425 8C65 3947 702A 8234 08B2 0360 A03A 9DE8
|
|
//
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
package rpcserver
|
|
|
|
import "io"
|
|
|
|
import "io/ioutil"
|
|
import "net"
|
|
import "fmt"
|
|
import "net/http"
|
|
import "time"
|
|
import "sync"
|
|
import "sync/atomic"
|
|
import "context"
|
|
import "strings"
|
|
import "runtime/debug"
|
|
|
|
import "github.com/deroproject/derohe/config"
|
|
import "github.com/deroproject/derohe/globals"
|
|
import "github.com/deroproject/derohe/blockchain"
|
|
import "github.com/deroproject/derohe/walletapi"
|
|
|
|
import "github.com/deroproject/derohe/rpc"
|
|
import "github.com/deroproject/derohe/glue/rwc"
|
|
|
|
import log "github.com/sirupsen/logrus"
|
|
import "github.com/gorilla/websocket"
|
|
|
|
import "github.com/creachadair/jrpc2"
|
|
import "github.com/creachadair/jrpc2/handler"
|
|
import "github.com/creachadair/jrpc2/channel"
|
|
import "github.com/creachadair/jrpc2/server"
|
|
import "github.com/creachadair/jrpc2/jhttp"
|
|
|
|
/* this file implements the rpcserver api, so as wallet and block explorer tools can work without migration */
|
|
|
|
// all components requiring access to blockchain must use , this struct to communicate
|
|
// this structure must be update while mutex
|
|
type RPCServer struct {
|
|
srv *http.Server
|
|
mux *http.ServeMux
|
|
Exit_Event chan bool // blockchain is shutting down and we must quit ASAP
|
|
sync.RWMutex
|
|
}
|
|
|
|
//var Exit_In_Progress bool
|
|
var chain *blockchain.Blockchain
|
|
var logger *log.Entry
|
|
|
|
var client_connections sync.Map
|
|
|
|
var options = &jrpc2.ServerOptions{AllowPush: true}
|
|
|
|
func RPCServer_Start(wallet *walletapi.Wallet_Disk) (*RPCServer, error) {
|
|
|
|
var err error
|
|
var r RPCServer
|
|
|
|
_ = err
|
|
|
|
logger = globals.Logger.WithFields(log.Fields{"com": "RPC"}) // all components must use this logger
|
|
|
|
logger.Infof("RPC/Websocket server starting")
|
|
|
|
r.Exit_Event = make(chan bool)
|
|
|
|
go r.Run(wallet)
|
|
logger.Infof("RPC/Websocket server started")
|
|
atomic.AddUint32(&globals.Subsystem_Active, 1) // increment subsystem
|
|
|
|
return &r, nil
|
|
}
|
|
|
|
// shutdown the rpc server component
|
|
func (r *RPCServer) RPCServer_Stop() {
|
|
r.Lock()
|
|
defer r.Unlock()
|
|
|
|
close(r.Exit_Event) // send signal to all connections to exit
|
|
|
|
if r.srv != nil {
|
|
r.srv.Shutdown(context.Background()) // shutdown the server
|
|
}
|
|
// TODO we must wait for connections to kill themselves
|
|
time.Sleep(1 * time.Second)
|
|
logger.Infof("RPC Shutdown")
|
|
atomic.AddUint32(&globals.Subsystem_Active, ^uint32(0)) // this decrement 1 fom subsystem
|
|
}
|
|
|
|
// setup handlers
|
|
func (r *RPCServer) Run(wallet *walletapi.Wallet_Disk) {
|
|
|
|
// create a new mux
|
|
r.mux = http.NewServeMux()
|
|
|
|
default_address := "127.0.0.1:" + fmt.Sprintf("%d", config.Mainnet.Wallet_RPC_Default_Port)
|
|
if !globals.IsMainnet() {
|
|
default_address = "127.0.0.1:" + fmt.Sprintf("%d", config.Testnet.Wallet_RPC_Default_Port)
|
|
}
|
|
|
|
if _, ok := globals.Arguments["--rpc-bind"]; ok && globals.Arguments["--rpc-bind"] != nil {
|
|
addr, err := net.ResolveTCPAddr("tcp", globals.Arguments["--rpc-bind"].(string))
|
|
if err != nil {
|
|
logger.Warnf("--rpc-bind address is invalid, err = %s", err)
|
|
} else {
|
|
if addr.Port == 0 {
|
|
logger.Infof("RPC server is disabled, No ports will be opened for RPC")
|
|
return
|
|
} else {
|
|
default_address = addr.String()
|
|
}
|
|
}
|
|
}
|
|
|
|
logger.Infof("RPC will listen on %s", default_address)
|
|
r.Lock()
|
|
r.srv = &http.Server{Addr: default_address, Handler: r.mux}
|
|
r.Unlock()
|
|
|
|
r.mux.HandleFunc("/json_rpc", translate_http_to_jsonrpc_and_vice_versa)
|
|
r.mux.HandleFunc("/ws", ws_handler)
|
|
r.mux.HandleFunc("/", hello)
|
|
|
|
// handle SC installer, // this will install an sc an
|
|
|
|
r.mux.HandleFunc("/install_sc", func(w http.ResponseWriter, req *http.Request) { // translate call internally, how to do it using a single json request
|
|
var p rpc.Transfer_Params
|
|
|
|
b, err := ioutil.ReadAll(req.Body)
|
|
defer req.Body.Close()
|
|
if err != nil {
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
|
|
p.SC_Code = string(b) // encode as base64
|
|
p.Transfers = append(p.Transfers, rpc.Transfer{Destination: "deto1qxsplx7vzgydacczw6vnrtfh3fxqcjevyxcvlvl82fs8uykjkmaxgfgulfha5", Amount: 0})
|
|
if err := wallet_apis.Transfer(context.Background(), p); err != nil {
|
|
fmt.Fprintf(w, err.Error())
|
|
return
|
|
}
|
|
})
|
|
|
|
// handle nasty http requests
|
|
//r.mux.HandleFunc("/getheight", getheight)
|
|
|
|
//if DEBUG_MODE {
|
|
// r.mux.HandleFunc("/debug/pprof/", pprof.Index)
|
|
|
|
// Register pprof handlers individually if required
|
|
/* r.mux.HandleFunc("/debug/pprof/", pprof.Index)
|
|
r.mux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
|
|
r.mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
|
|
r.mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
|
|
r.mux.HandleFunc("/debug/pprof/trace", pprof.Trace)
|
|
*/
|
|
|
|
/*
|
|
// Register pprof handlers individually if required
|
|
r.mux.HandleFunc("/cdebug/pprof/", pprof.Index)
|
|
r.mux.HandleFunc("/cdebug/pprof/cmdline", pprof.Cmdline)
|
|
r.mux.HandleFunc("/cdebug/pprof/profile", pprof.Profile)
|
|
r.mux.HandleFunc("/cdebug/pprof/symbol", pprof.Symbol)
|
|
r.mux.HandleFunc("/cdebug/pprof/trace", pprof.Trace)
|
|
*/
|
|
|
|
// register metrics handler
|
|
// r.mux.HandleFunc("/metrics", prometheus.InstrumentHandler("dero", promhttp.HandlerFor(metrics.Registry, promhttp.HandlerOpts{})))
|
|
|
|
//}
|
|
|
|
//r.mux.HandleFunc("/json_rpc/debug", mr.ServeDebug)
|
|
|
|
wallet_apis.wallet = wallet
|
|
if err := r.srv.ListenAndServe(); err != http.ErrServerClosed {
|
|
logger.Warnf("ERR listening to address err %s", err)
|
|
}
|
|
|
|
}
|
|
|
|
func hello(w http.ResponseWriter, r *http.Request) {
|
|
io.WriteString(w, "DERO BLOCKCHAIN Hello world!")
|
|
}
|
|
|
|
var upgrader = websocket.Upgrader{CheckOrigin: func(r *http.Request) bool { return true }} // use default options
|
|
|
|
func ws_handler(w http.ResponseWriter, r *http.Request) {
|
|
|
|
var ws_server *jrpc2.Server
|
|
defer func() {
|
|
|
|
// safety so if anything wrong happens, verification fails
|
|
if r := recover(); r != nil {
|
|
logger.Warnf("Recovered while processing websocket request, Stack trace below ")
|
|
logger.Warnf("Stack trace \n%s", debug.Stack())
|
|
}
|
|
if ws_server != nil {
|
|
client_connections.Delete(ws_server)
|
|
}
|
|
|
|
}()
|
|
|
|
c, err := upgrader.Upgrade(w, r, nil)
|
|
if err != nil {
|
|
log.Print("upgrade:", err)
|
|
return
|
|
}
|
|
defer c.Close()
|
|
|
|
input_output := rwc.New(c)
|
|
ws_server = jrpc2.NewServer(assigner, options).Start(channel.RawJSON(input_output, input_output))
|
|
client_connections.Store(ws_server, 1)
|
|
ws_server.Wait()
|
|
}
|
|
|
|
var assigner = handler.ServiceMap{
|
|
"WALLET": handler.NewService(&wallet_apis),
|
|
"DERO": handler.NewService(DERO_RPC_APIS{}),
|
|
}
|
|
|
|
type WALLET_RPC_APIS struct {
|
|
wallet *walletapi.Wallet_Disk
|
|
} // exports daemon status and other RPC apis
|
|
|
|
func (*WALLET_RPC_APIS) Echo(ctx context.Context, args []string) string {
|
|
return "WALLET " + strings.Join(args, " ")
|
|
}
|
|
|
|
type DERO_RPC_APIS struct{} // exports DERO specific apis, such as transaction
|
|
|
|
// used to verify whether the connection is alive
|
|
func (DERO_RPC_APIS) Ping(ctx context.Context) string {
|
|
return "Pong "
|
|
}
|
|
|
|
func (DERO_RPC_APIS) Echo(ctx context.Context, args []string) string {
|
|
return "DERO " + strings.Join(args, " ")
|
|
}
|
|
|
|
//var internal_server = server.NewLocal(assigner,nil) // Use DERO.GetInfo names
|
|
var internal_server = server.NewLocal(historical_apis, nil) // uses traditional "getinfo" for compatibility reasons
|
|
// Bridge HTTP to the JSON-RPC server.
|
|
var bridge = jhttp.NewBridge(internal_server.Client)
|
|
|
|
var wallet_apis WALLET_RPC_APIS
|
|
var dero_apis DERO_RPC_APIS
|
|
|
|
var historical_apis = handler.Map{
|
|
"getaddress": handler.New(wallet_apis.GetAddress),
|
|
"GetAddress": handler.New(wallet_apis.GetAddress),
|
|
"getbalance": handler.New(wallet_apis.GetBalance),
|
|
"GetBalance": handler.New(wallet_apis.GetBalance),
|
|
// "get_bulk_payments": handler.New(wallet_apis.GetBulkPayments),
|
|
// "GetBulkPayments": handler.New(wallet_apis.GetBulkPayments),
|
|
"getheight": handler.New(wallet_apis.GetHeight),
|
|
"GetHeight": handler.New(wallet_apis.GetHeight),
|
|
"get_transfer_by_txid": handler.New(wallet_apis.GetTransferbyTXID),
|
|
"GetTransferbyTXID": handler.New(wallet_apis.GetTransferbyTXID),
|
|
"get_transfers": handler.New(wallet_apis.GetTransfers),
|
|
"GetTransfers": handler.New(wallet_apis.GetTransfers),
|
|
"make_integrated_address": handler.New(wallet_apis.MakeIntegratedAddress),
|
|
"MakeIntegratedAddress": handler.New(wallet_apis.MakeIntegratedAddress),
|
|
"split_integrated_address": handler.New(wallet_apis.SplitIntegratedAddress),
|
|
"SplitIntegratedAddress": handler.New(wallet_apis.SplitIntegratedAddress),
|
|
"query_key": handler.New(wallet_apis.QueryKey),
|
|
"QueryKey": handler.New(wallet_apis.QueryKey),
|
|
"transfer": handler.New(wallet_apis.Transfer),
|
|
"Transfer": handler.New(wallet_apis.Transfer),
|
|
"transfer_split": handler.New(wallet_apis.Transfer),
|
|
"scinvoke": handler.New(wallet_apis.ScInvoke),
|
|
}
|
|
|
|
func translate_http_to_jsonrpc_and_vice_versa(w http.ResponseWriter, r *http.Request) {
|
|
bridge.ServeHTTP(w, r)
|
|
}
|