Fix cmd name + add genesis command

.goreleaser.yml

@@ -1,7 +1,7 @@
 # ref. https://goreleaser.com/customization/build/
 builds:
   - id: xsvm
-    main: ./cmd
+    main: ./cmd/xsvm
     binary: xsvm
     flags:
       - -v

README.md

@@ -43,21 +43,24 @@ Currently there are no fees enforced in the XSVM.
 ```bash
 git clone https://github.com/ava-labs/xsvm.git;
 cd xsvm;
-go install -v ./cmd;
+go install -v ./cmd/xsvm;
 ```
 
 #### Usage
 
 ```
-XSVM agent
+Runs an XSVM plugin
 
 Usage:
   xsvm [flags]
   xsvm [command]
 
 Available Commands:
+  account     Displays the state of the requested account
+  chain       Manages XS chains
   completion  Generate the autocompletion script for the specified shell
   help        Help about any command
+  issue       Issues transactions
   version     Prints out the version
 
 Flags:

cmd/chain/cmd.go

@@ -7,6 +7,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"github.com/ava-labs/xsvm/cmd/chain/create"
+	"github.com/ava-labs/xsvm/cmd/chain/genesis"
 )
 
 func Command() *cobra.Command {
@@ -16,6 +17,7 @@ func Command() *cobra.Command {
 	}
 	c.AddCommand(
 		create.Command(),
+		genesis.Command(),
 	)
 	return c
 }

cmd/chain/genesis/cmd.go

@@ -0,0 +1,38 @@
+// Copyright (C) 2022, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package genesis
+
+import (
+	"os"
+
+	"github.com/ava-labs/xsvm/genesis"
+	"github.com/spf13/cobra"
+)
+
+func Command() *cobra.Command {
+	c := &cobra.Command{
+		Use:   "genesis",
+		Short: "Creates a chain's genesis and prints it to stdout",
+		RunE:  genesisFunc,
+	}
+	flags := c.Flags()
+	AddFlags(flags)
+	return c
+}
+
+func genesisFunc(c *cobra.Command, args []string) error {
+	flags := c.Flags()
+	g, err := ParseFlags(flags, args)
+	if err != nil {
+		return err
+	}
+
+	genesisBytes, err := genesis.Codec.Marshal(genesis.Version, g)
+	if err != nil {
+		return err
+	}
+
+	_, err = os.Stdout.Write(genesisBytes)
+	return err
+}

cmd/chain/genesis/flags.go

@@ -0,0 +1,68 @@
+// Copyright (C) 2022, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package genesis
+
+import (
+	"math"
+	"time"
+
+	"github.com/spf13/pflag"
+
+	"github.com/ava-labs/avalanchego/genesis"
+	"github.com/ava-labs/avalanchego/ids"
+
+	xsgenesis "github.com/ava-labs/xsvm/genesis"
+)
+
+const (
+	TimeKey    = "time"
+	AddressKey = "address"
+	BalanceKey = "balance"
+)
+
+func AddFlags(flags *pflag.FlagSet) {
+	flags.Int64(TimeKey, time.Now().Unix(), "Unix timestamp to include in the genesis")
+	flags.String(AddressKey, genesis.EWOQKey.Address().String(), "Address to fund in the genesis")
+	flags.Uint64(BalanceKey, math.MaxUint64, "Amount to provide the funded address in the genesis")
+}
+
+func ParseFlags(flags *pflag.FlagSet, args []string) (*xsgenesis.Genesis, error) {
+	if err := flags.Parse(args); err != nil {
+		return nil, err
+	}
+
+	if err := flags.Parse(args); err != nil {
+		return nil, err
+	}
+
+	timestamp, err := flags.GetInt64(TimeKey)
+	if err != nil {
+		return nil, err
+	}
+
+	addrStr, err := flags.GetString(AddressKey)
+	if err != nil {
+		return nil, err
+	}
+
+	addr, err := ids.ShortFromString(addrStr)
+	if err != nil {
+		return nil, err
+	}
+
+	balance, err := flags.GetUint64(BalanceKey)
+	if err != nil {
+		return nil, err
+	}
+
+	return &xsgenesis.Genesis{
+		Timestamp: timestamp,
+		Allocations: []xsgenesis.Allocation{
+			{
+				Address: addr,
+				Balance: balance,
+			},
+		},
+	}, nil
+}

cmd/run/cmd.go

@@ -13,7 +13,7 @@ import (
 
 func Command() *cobra.Command {
 	return &cobra.Command{
-		Use:   "run",
+		Use:   "xsvm",
 		Short: "Runs an XSVM plugin",
 		RunE:  runFunc,
 	}

scripts/build.sh

@@ -16,5 +16,5 @@ name="v3m4wPxaHpvGr8qfMeyK6PRW3idZrPHmYcMTt7oXdK47yurVH"
 mkdir -p ./build
 
 echo "Building xsvm into ./build/"
-go build -o ./build/$name ./cmd/
-go build -o ./build/xsvm ./cmd/
+go build -o ./build/$name ./cmd/xsvm/
+go build -o ./build/xsvm ./cmd/xsvm/