Add orchestrator command to CLI

app/app.go

@@ -40,8 +40,8 @@ var (
 	// DefaultCLIHome is the default home directories for the application CLI
 	DefaultCLIHome = os.ExpandEnv("$HOME/.mesg-cli")
 
-	// DefaultNodeHome sets the folder where the applcation data and configuration will be stored
-	DefaultNodeHome = os.ExpandEnv("$HOME/.mesg/tendermint")
+	// DefaultNodeHome sets the folder where the application data and configuration will be stored
+	DefaultNodeHome = os.ExpandEnv("$HOME/.mesg-node")
 
 	// ModuleBasics The module BasicManager is in charge of setting up basic,
 	// non-dependant module elements, such as codec registration

cmd/mesg-cli/main.go

@@ -52,6 +52,8 @@ func main() {
 		queryCmd(cdc),
 		txCmd(cdc),
 		flags.LineBreak,
+		orchestratorCmd(cdc),
+		flags.LineBreak,
 		lcd.ServeCommand(cdc, registerRoutes),
 		flags.LineBreak,
 		keys.Commands(),

cmd/mesg-cli/orchestrator.go

@@ -0,0 +1,141 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/cosmos/cosmos-sdk/client/context"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/crypto/keys"
+	"github.com/mesg-foundation/engine/cosmos"
+	"github.com/mesg-foundation/engine/event/publisher"
+	"github.com/mesg-foundation/engine/ext/xsignal"
+	"github.com/mesg-foundation/engine/orchestrator"
+	"github.com/mesg-foundation/engine/server/grpc"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"github.com/tendermint/tendermint/libs/log"
+)
+
+const (
+	accName = "orchestrator"
+	accPass = "password"
+)
+
+func orchestratorCmd(cdc *codec.Codec) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "orchestrator",
+		Short: "Orchestrator subcommands",
+	}
+	cmd.AddCommand(flags.GetCommands(
+		startOrchestratorCmd(cdc),
+	)...)
+	return cmd
+}
+
+func startOrchestratorCmd(cdc *codec.Codec) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "start",
+		Short: "Start the Orchestrator",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			cliCtx := context.NewCLIContext().WithCodec(cdc)
+
+			if viper.GetString(flagMnemonic) == "" {
+				return fmt.Errorf("mnemonic is required. use flag --mnemonic or config file")
+			}
+			if cliCtx.ChainID == "" {
+				return fmt.Errorf("chain-id is required. use flag --chain-id or config file")
+			}
+
+			logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout)).With("module", "orchestrator")
+			client, err := cliCtx.GetNode()
+			if err != nil {
+				return err
+			}
+
+			// init rpc client
+			logger.Info("starting rpc client")
+			if err := client.Start(); err != nil {
+				return err
+			}
+			defer func() {
+				logger.Info("stopping rpc client")
+				if err := client.Stop(); err != nil {
+					logger.Error(err.Error())
+				}
+			}()
+
+			kb := cosmos.NewInMemoryKeybase()
+			if _, err := kb.CreateAccount(accName, viper.GetString(flagMnemonic), "", accPass, keys.CreateHDPath(viper.GetUint32(flagAccNumber), viper.GetUint32(flagAccIndex)).String(), cosmos.DefaultAlgo); err != nil {
+				fmt.Println("keybase error")
+				return err
+			}
+
+			// create rpc client
+			rpc, err := cosmos.NewRPC(client, cdc, kb, cliCtx.ChainID, accName, accPass, viper.GetString(flagGasPrices))
+			if err != nil {
+				return err
+			}
+
+			// init event publisher
+			ep := publisher.New(rpc)
+
+			// init gRPC server.
+			logger.Info("starting grpc server")
+			server := grpc.New(rpc, ep, viper.GetStringSlice(flagAuthorizedPubKeys))
+			defer func() {
+				logger.Info("stopping grpc server")
+				server.Close()
+			}()
+
+			go func() {
+				if err := server.Serve(viper.GetString(flagGrpcAddr)); err != nil {
+					logger.Error(err.Error())
+					panic(err)
+				}
+			}()
+
+			// orchestrator
+			logger.Info("starting orchestrator")
+			orch := orchestrator.New(rpc, ep, viper.GetString(flagExecPrice))
+			defer func() {
+				logger.Info("stopping orchestrator")
+				orch.Stop()
+			}()
+			go func() {
+				if err := orch.Start(); err != nil {
+					logger.Error(err.Error())
+					panic(err)
+				}
+			}()
+			go func() {
+				for err := range orch.ErrC {
+					logger.Error(err.Error())
+				}
+			}()
+
+			<-xsignal.WaitForInterrupt()
+
+			return nil
+		},
+	}
+	cmd.Flags().String(flagGrpcAddr, ":50052", "The address for the gRPC server to expose")
+	cmd.Flags().String(flagAuthorizedPubKeys, "", "The authorized pubkeys to communicate with the gRPC server")
+	cmd.Flags().String(flagMnemonic, "", "The account's mnemonic that will be used to sign transactions")
+	cmd.Flags().String(flagGasPrices, "1.0atto", "The gas price to sign tx")
+	cmd.Flags().String(flagExecPrice, "10000atto", "The execution price to create execution")
+	cmd.Flags().String(flagAccNumber, "0", "The account number of the hd path to use to derive the mnemonic")
+	cmd.Flags().String(flagAccIndex, "0", "The account index of the hd path to use to derive the mnemonic")
+	return cmd
+}
+
+const (
+	flagGrpcAddr          = "grpc-addr"
+	flagAuthorizedPubKeys = "authorized-pubkeys"
+	flagMnemonic          = "mnemonic"
+	flagGasPrices         = "gas-prices"
+	flagExecPrice         = "exec-price"
+	flagAccNumber         = "acc-number"
+	flagAccIndex          = "acc-index"
+)

cmd/mesg-daemon/main.go

@@ -60,7 +60,7 @@ func main() {
 	server.AddCommands(ctx, cdc, rootCmd, newApp, exportAppStateAndTMValidators)
 
 	// prepare and add flags
-	executor := cli.PrepareBaseCmd(rootCmd, "AU", app.DefaultNodeHome)
+	executor := cli.PrepareBaseCmd(rootCmd, "MESG", app.DefaultNodeHome)
 	rootCmd.PersistentFlags().UintVar(&invCheckPeriod, flagInvCheckPeriod,
 		0, "Assert registered invariants every N blocks")
 	if err := executor.Execute(); err != nil {

cosmos/keybase.go

@@ -38,6 +38,14 @@ func NewKeybase(dir string) (*Keybase, error) {
 	}, nil
 }
 
+// NewInMemoryKeybase initializes a in memory keybase.
+func NewInMemoryKeybase() *Keybase {
+	return &Keybase{
+		kb:            clientkey.NewInMemoryKeyBase(),
+		privKeysCache: make(map[[sha256.Size]byte]crypto.PrivKey),
+	}
+}
+
 // NewMnemonic returns a new mnemonic phrase.
 func (kb *Keybase) NewMnemonic() (string, error) {
 	// read entropy seed straight from crypto.Rand and convert to mnemonic

ext/xstrings/strings.go

@@ -1,6 +1,14 @@
 package xstrings
 
-import "math/rand"
+import (
+	"math/rand"
+
+	"github.com/mesg-foundation/engine/ext/xrand"
+)
+
+func init() {
+	xrand.SeedInit()
+}
 
 // SliceContains returns true if slice a contains e element, false otherwise.
 func SliceContains(a []string, e string) bool {

orchestrator/orchestrator.go

@@ -11,6 +11,7 @@ import (
 	"github.com/mesg-foundation/engine/event"
 	"github.com/mesg-foundation/engine/event/publisher"
 	"github.com/mesg-foundation/engine/execution"
+	"github.com/mesg-foundation/engine/ext/xrand"
 	"github.com/mesg-foundation/engine/ext/xstrings"
 	"github.com/mesg-foundation/engine/hash"
 	"github.com/mesg-foundation/engine/process"
@@ -22,6 +23,10 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
+func init() {
+	xrand.SeedInit()
+}
+
 // New creates a new Process instance
 func New(rpc *cosmos.RPC, ep *publisher.EventPublisher, execPrice string) *Orchestrator {
 	return &Orchestrator{