feat: Added configuration files generation ability to roller init

.gitignore

@@ -2,4 +2,5 @@
 *
 !*/
 !*.*
-*.exe
+*.exe
+/.vscode

cmd/config/config.go

@@ -0,0 +1,15 @@
+package config
+
+import (
+	configInit "github.com/dymensionxyz/roller/cmd/config/init"
+	"github.com/spf13/cobra"
+)
+
+func ConfigCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "config",
+		Short: "Commands for setting up and managing rollapp configuration files.",
+	}
+	cmd.AddCommand(configInit.InitCmd())
+	return cmd
+}

cmd/config/init/config.go

@@ -0,0 +1,29 @@
+package init
+
+import (
+	"os"
+
+	toml "github.com/pelletier/go-toml"
+)
+
+func setRollappAppConfig(appConfigFilePath string, denom string) {
+	config, _ := toml.LoadFile(appConfigFilePath)
+	config.Set("minimum-gas-prices", "0"+denom)
+	config.Set("api.enable", "true")
+	config.Set("api.address", "tcp://0.0.0.0:1417")
+	config.Set("grpc.address", "0.0.0.0:8080")
+	config.Set("grpc-web.address", "0.0.0.0:8081")
+	file, _ := os.Create(appConfigFilePath)
+	file.WriteString(config.String())
+	file.Close()
+}
+
+func setRollappTendermintConfig(tendermintConfigFilePath string) {
+	config, _ := toml.LoadFile(tendermintConfigFilePath)
+	config.Set("rpc.laddr", "tcp://0.0.0.0:26657")
+	config.Set("p2p.laddr", "tcp://0.0.0.0:26657")
+	config.Set("persistent_peers", "")
+	file, _ := os.Create(tendermintConfigFilePath)
+	file.WriteString(config.String())
+	file.Close()
+}

cmd/config/init/init.go

@@ -0,0 +1,84 @@
+package init
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"github.com/spf13/cobra"
+)
+
+var flagNames = struct {
+	LightNodeEndpoint string
+	Denom             string
+	KeyPrefix         string
+	Decimals          string
+	RollappBinary     string
+	HubRPC            string
+}{
+	LightNodeEndpoint: "light-node-endpoint",
+	Denom:             "denom",
+	KeyPrefix:         "key-prefix",
+	Decimals:          "decimals",
+	RollappBinary:     "rollapp-binary",
+	HubRPC:            "hub-rpc",
+}
+
+const denomFlagName = "denom"
+const hubRPC = "https://rpc-hub-35c.dymension.xyz:443"
+const lightNodeEndpointFlag = "light-node-endpoint"
+const hubSequencerKeyName = "hub_sequencer"
+
+const evmCoinType uint32 = 60
+const rollappConfigDir string = ".rollapp"
+const relayerConfigDir string = ".relayer"
+const hubChainId string = "internal-devnet"
+const relayerKeysDirName string = "keys"
+const cosmosDefaultCointype uint32 = 118
+const sequencerKeyName string = "rollapp_sequencer"
+
+func getDenom(denom string, chainId string) string {
+	if denom == "" {
+		return "u" + chainId[:3]
+	}
+	return denom
+}
+
+func getRollappBinaryPath(rollappBinaryPath string) string {
+	if rollappBinaryPath == "" {
+		rollappBinaryPath = "/usr/local/bin/rollapp_evm"
+	}
+	return rollappBinaryPath
+}
+
+func initializeRollappConfig(rollappExecutablePath string, chainId string, denom string) {
+	initRollappCmd := exec.Command(rollappExecutablePath, "init", hubSequencerKeyName, "--chain-id", chainId, "--home", filepath.Join(os.Getenv("HOME"), rollappConfigDir))
+	err := initRollappCmd.Run()
+	if err != nil {
+		panic(err)
+	}
+	setRollappAppConfig(filepath.Join(os.Getenv("HOME"), rollappConfigDir, "config/app.toml"), denom)
+	setRollappTendermintConfig(filepath.Join(os.Getenv("HOME"), rollappConfigDir, "config/config.toml"))
+}
+
+func InitCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "init <chain-id>",
+		Short: "Initialize a rollapp configuration on your local machine",
+		Run: func(cmd *cobra.Command, args []string) {
+			chainId := args[0]
+			rollappBinaryPath := getRollappBinaryPath(cmd.Flag(flagNames.RollappBinary).Value.String())
+			denom := getDenom(cmd.Flag(flagNames.Denom).Value.String(), chainId)
+			generateKeys(cmd.Flags().Changed(lightNodeEndpointFlag), chainId)
+			initializeRollappConfig(rollappBinaryPath, chainId, denom)
+		},
+		Args: cobra.ExactArgs(1),
+	}
+	cmd.Flags().StringP(flagNames.HubRPC, "", hubRPC, "Dymension Hub rpc endpoint")
+	cmd.Flags().StringP(flagNames.LightNodeEndpoint, "", "", "The data availability light node endpoint. Runs an Arabica Celestia light node if not provided.")
+	cmd.Flags().StringP("denom", "", "", "The rollapp token smallest denominator, for example `wei` in Ethereum.")
+	cmd.Flags().StringP("key-prefix", "", "", "The `bech32` prefix of the rollapp keys.")
+	cmd.Flags().StringP("rollapp-binary", "", "", "The rollapp binary. Should be passed only if you built a custom rollapp.")
+	cmd.Flags().Int64P("decimals", "", 18, "The number of decimal places a rollapp token supports.")
+	return cmd
+}

cmd/config/init/keys.go

@@ -0,0 +1,46 @@
+package init
+
+import (
+	"os"
+	"path"
+	"path/filepath"
+
+	"github.com/cosmos/cosmos-sdk/crypto/hd"
+	"github.com/cosmos/cosmos-sdk/crypto/keyring"
+)
+
+func createKey(relativePath string, keyId string, coinType ...uint32) (keyring.Info, error) {
+	var coinTypeVal = cosmosDefaultCointype
+	if len(coinType) != 0 {
+		coinTypeVal = coinType[0]
+	}
+	rollappAppName := "rollapp"
+	kr, err := keyring.New(
+		rollappAppName,
+		keyring.BackendTest,
+		filepath.Join(os.Getenv("HOME"), relativePath),
+		nil,
+	)
+	if err != nil {
+		return nil, err
+	}
+	bip44Params := hd.NewFundraiserParams(0, coinTypeVal, 0)
+	info, _, err := kr.NewMnemonic(keyId, keyring.English, bip44Params.String(), "", hd.Secp256k1)
+	if err != nil {
+		return nil, err
+	}
+	return info, nil
+}
+
+func generateKeys(createLightNode bool, chainId string) {
+	const evmCoinType uint32 = 60
+	createKey(rollappConfigDir, hubSequencerKeyName)
+	createKey(rollappConfigDir, sequencerKeyName, evmCoinType)
+	relayerRollappDir := path.Join(relayerConfigDir, relayerKeysDirName, chainId)
+	relayerHubDir := path.Join(relayerConfigDir, relayerKeysDirName, hubChainId)
+	createKey(relayerHubDir, "relayer-hub-key")
+	createKey(relayerRollappDir, "relayer-rollapp-key", evmCoinType)
+	if createLightNode {
+		createKey(".light_node", "my-celes-key")
+	}
+}

cmd/root.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"os"
 
+	"github.com/dymensionxyz/roller/cmd/config"
 	"github.com/spf13/cobra"
 )
 
@@ -24,4 +25,5 @@ func Execute() {
 }
 
 func init() {
+	rootCmd.AddCommand(config.ConfigCmd())
 }

go.mod

@@ -3,7 +3,6 @@ module github.com/dymensionxyz/roller
 go 1.18
 
 require (
-	github.com/dymensionxyz/dymension v0.2.0-beta
 	github.com/gogo/protobuf v1.3.3 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/spf13/cobra v1.7.0
@@ -27,8 +26,6 @@ require (
 	github.com/cosmos/btcutil v1.0.4 // indirect
 	github.com/cosmos/go-bip39 v1.0.0 // indirect
 	github.com/cosmos/gorocksdb v1.2.0 // indirect
-	github.com/cosmos/iavl v0.19.3 // indirect
-	github.com/cosmos/ibc-go/v3 v3.4.0 // indirect
 	github.com/cosmos/ledger-cosmos-go v0.11.1 // indirect
 	github.com/cosmos/ledger-go v0.9.2 // indirect
 	github.com/danieljoos/wincred v1.0.2 // indirect
@@ -46,9 +43,7 @@ require (
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/golang/snappy v0.0.3 // indirect
 	github.com/google/btree v1.0.0 // indirect
-	github.com/gorilla/mux v1.8.0 // indirect
-	github.com/gorilla/websocket v1.5.0 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
 	github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c // indirect
 	github.com/gtank/merlin v0.1.1 // indirect
@@ -76,8 +71,6 @@ require (
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.34.0 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
-	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
-	github.com/regen-network/cosmos-proto v0.3.1 // indirect
 	github.com/sasha-s/go-deadlock v0.3.1 // indirect
 	github.com/spf13/afero v1.8.2 // indirect
 	github.com/spf13/cast v1.5.0 // indirect