fixup! fix(cli): use estimated gas limit by default

Author: renatomaia

internal/config/auth/auth_test.go

@@ -0,0 +1,44 @@
+// (c) Cartesi and individual authors (see AUTHORS)
+// SPDX-License-Identifier: Apache-2.0 (see LICENSE)
+
+package auth
+
+import (
+	"context"
+	"math/big"
+	"testing"
+
+	"github.com/cartesi/rollups-node/internal/config"
+
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/require"
+)
+
+const testPrivateKey = "0x59c6995e998f97a5a0044966f0945389dc9e86dae88c7a8412f4603b6b78690d"
+
+func TestGetTransactOptsBlockchainGasLimit(t *testing.T) {
+	setupPrivateKeyAuth := func(t *testing.T) {
+		t.Helper()
+		viper.Reset()
+		config.SetDefaults()
+		viper.Set(config.AUTH_KIND, "private_key")
+		viper.Set(config.AUTH_PRIVATE_KEY, testPrivateKey)
+	}
+
+	t.Run("default zero leaves gas limit unset", func(t *testing.T) {
+		setupPrivateKeyAuth(t)
+
+		txOpts, err := GetTransactOpts(context.Background(), big.NewInt(31337))
+		require.NoError(t, err)
+		require.Zero(t, txOpts.GasLimit)
+	})
+
+	t.Run("non-zero config sets gas limit", func(t *testing.T) {
+		setupPrivateKeyAuth(t)
+		viper.Set(config.BLOCKCHAIN_GAS_LIMIT, "123456")
+
+		txOpts, err := GetTransactOpts(context.Background(), big.NewInt(31337))
+		require.NoError(t, err)
+		require.Equal(t, uint64(123456), txOpts.GasLimit)
+	})
+}