put CHALLENGE back to the database path when writing to disk

pkg/config/load.go

@@ -81,6 +81,7 @@ func (c *ChiaConfig) Save() error {
 
 // SavePath saves the config at the given path
 func (c *ChiaConfig) SavePath(configPath string) error {
+	c.unfillDatabasePath()
 	out, err := yaml.Marshal(c)
 	if err != nil {
 		return fmt.Errorf("error marshalling config: %w", err)
@@ -122,6 +123,10 @@ func (c *ChiaConfig) fillDatabasePath() {
 	c.FullNode.DatabasePath = strings.Replace(c.FullNode.DatabasePath, "CHALLENGE", *c.FullNode.SelectedNetwork, 1)
 }
 
+func (c *ChiaConfig) unfillDatabasePath() {
+	c.FullNode.DatabasePath = strings.Replace(c.FullNode.DatabasePath, *c.FullNode.SelectedNetwork, "CHALLENGE", 1)
+}
+
 // dealWithAnchors swaps out the distinct sections of the config with pointers to a shared instance
 // When loading the config, the anchor definition in the initial-config is the canonical version. The rest will be
 // changed to point back to that instance

pkg/config/load_test.go

@@ -1,6 +1,7 @@
 package config_test
 
 import (
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -39,3 +40,25 @@ func TestDealWithAnchors(t *testing.T) {
 	assert.Equal(t, "unittestnet", *cfg.Wallet.SelectedNetwork)
 	assert.Equal(t, "unittestnet", *cfg.DataLayer.SelectedNetwork)
 }
+
+func TestFillDatabasePath(t *testing.T) {
+	def, err := config.LoadDefaultConfig()
+	assert.NoError(t, err)
+	assert.Equal(t, "db/blockchain_v2_mainnet.sqlite", def.FullNode.DatabasePath)
+
+	tmpDir, err := os.MkdirTemp("", "testfs")
+	if err != nil {
+		t.Fatalf("Failed to create temporary directory: %v", err)
+	}
+	defer func(path string) {
+		err := os.RemoveAll(path)
+		if err != nil {
+			t.Fatalf("Error cleaning up test directory: %v", err)
+		}
+	}(tmpDir)
+
+	tmpFilePath := tmpDir + "/tempfile.txt"
+	err = def.SavePath(tmpFilePath)
+	assert.NoError(t, err)
+	assert.Equal(t, "db/blockchain_v2_CHALLENGE.sqlite", def.FullNode.DatabasePath)
+}