From 4c85bdf1a7bce60ec6b8725c9d61280b869e576a Mon Sep 17 00:00:00 2001
From: Antonio Navarro Perez <antnavper@gmail.com>
Date: Mon, 5 Jun 2023 10:52:51 +0200
Subject: [PATCH] Requested changes

Signed-off-by: Antonio Navarro Perez <antnavper@gmail.com>
---
 gno.land/cmd/gnoland/main.go  | 25 ++++++++++++++++++++-----
 tm2/pkg/sdk/vm/common_test.go |  2 +-
 tm2/pkg/sdk/vm/keeper.go      |  1 +
 3 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/gno.land/cmd/gnoland/main.go b/gno.land/cmd/gnoland/main.go
index 5ce977bbf3d..0ebc3d7058a 100644
--- a/gno.land/cmd/gnoland/main.go
+++ b/gno.land/cmd/gnoland/main.go
@@ -9,6 +9,9 @@ import (
 	"strings"
 	"time"
 
+	"github.com/peterbourgon/ff/v3"
+	"github.com/peterbourgon/ff/v3/fftoml"
+
 	"github.com/gnolang/gno/gno.land/pkg/gnoland"
 	gno "github.com/gnolang/gno/gnovm/pkg/gnolang"
 	"github.com/gnolang/gno/tm2/pkg/amino"
@@ -33,7 +36,8 @@ type gnolandCfg struct {
 	chainID               string
 	genesisRemote         string
 	rootDir               string
-	maxCycles             int64
+	genesisMaxVMCycles    int64
+	config                string
 }
 
 func main() {
@@ -43,6 +47,10 @@ func main() {
 		commands.Metadata{
 			ShortUsage: "[flags] [<arg>...]",
 			LongHelp:   "Starts the gnoland blockchain node",
+			Options: []ff.Option{
+				ff.WithConfigFileFlag("config"),
+				ff.WithConfigFileParser(fftoml.Parser),
+			},
 		},
 		cfg,
 		func(_ context.Context, _ []string) error {
@@ -108,11 +116,18 @@ func (c *gnolandCfg) RegisterFlags(fs *flag.FlagSet) {
 	)
 
 	fs.Int64Var(
-		&c.maxCycles,
-		"max-vm-cycles",
-		10*1000*1000,
+		&c.genesisMaxVMCycles,
+		"genesis-max-vm-cycles",
+		10_000_000,
 		"set maximum allowed vm cycles per operation. Zero means no limit.",
 	)
+
+	fs.StringVar(
+		&c.config,
+		"config",
+		"",
+		"config file (optional)",
+	)
 }
 
 func exec(c *gnolandCfg) error {
@@ -143,7 +158,7 @@ func exec(c *gnolandCfg) error {
 	}
 
 	// create application and node.
-	gnoApp, err := gnoland.NewApp(rootDir, c.skipFailingGenesisTxs, logger, c.maxCycles)
+	gnoApp, err := gnoland.NewApp(rootDir, c.skipFailingGenesisTxs, logger, c.genesisMaxVMCycles)
 	if err != nil {
 		return fmt.Errorf("error in creating new app: %w", err)
 	}
diff --git a/tm2/pkg/sdk/vm/common_test.go b/tm2/pkg/sdk/vm/common_test.go
index 7a3a53e4fe3..60a92906cb6 100644
--- a/tm2/pkg/sdk/vm/common_test.go
+++ b/tm2/pkg/sdk/vm/common_test.go
@@ -39,7 +39,7 @@ func setupTestEnv() testEnv {
 	acck := authm.NewAccountKeeper(iavlCapKey, std.ProtoBaseAccount)
 	bank := bankm.NewBankKeeper(acck)
 	stdlibsDir := filepath.Join("..", "..", "..", "..", "gnovm", "stdlibs")
-	vmk := NewVMKeeper(baseCapKey, iavlCapKey, acck, bank, stdlibsDir, 10*1000*1000)
+	vmk := NewVMKeeper(baseCapKey, iavlCapKey, acck, bank, stdlibsDir, 10_000_000)
 
 	vmk.Initialize(ms.MultiCacheWrap())
 
diff --git a/tm2/pkg/sdk/vm/keeper.go b/tm2/pkg/sdk/vm/keeper.go
index 5a5eeb9303e..74cae60a0a3 100644
--- a/tm2/pkg/sdk/vm/keeper.go
+++ b/tm2/pkg/sdk/vm/keeper.go
@@ -54,6 +54,7 @@ func NewVMKeeper(
 	stdlibsDir string,
 	maxCycles int64,
 ) *VMKeeper {
+	// TODO: create an Options struct to avoid too many constructor parameters
 	vmk := &VMKeeper{
 		baseKey:    baseKey,
 		iavlKey:    iavlKey,