Address CR comments

docs/cli/example_config.toml

@@ -8,7 +8,8 @@ verbosity = 3                   # Logging verbosity for the server (5=trace|4=de
 vmdebug = false                 # Record information useful for VM and contract debugging
 datadir = "var/lib/bor"         # Path of the data directory to store information
 ancient = ""                    # Data directory for ancient chain segments (default = inside chaindata)
-"db.engine" = "pebble"           # Used to select leveldb or pebble as database (default = leveldb)
+"db.engine" = "pebble"          # Used to select leveldb or pebble as database (default = pebble)
+"state.scheme" = "path"         # Used to select the state scheme (default = path)
 keystore = ""                   # Path of the directory where keystores are located
 "rpc.batchlimit" = 100          # Maximum number of messages in a batch (default=100, use 0 for no limits)
 "rpc.returndatalimit" = 100000  # Maximum size (in bytes) a result of an rpc request could have (default=100000, use 0 for no limits)

internal/cli/server/config.go

@@ -1168,6 +1168,9 @@ func (c *Config) buildEth(stack *node.Node, accountManager *accounts.Manager) (*
 
 			log.Info("Enabling recording of key preimages since archive mode is used")
 		}
+		if c.StateScheme == "path" {
+			return nil, fmt.Errorf("path storage scheme is not supported in archive mode, please use hash instead")
+		}
 	default:
 		return nil, fmt.Errorf("gcmode '%s' not found", c.GcMode)
 	}

internal/cli/server/config_test.go

@@ -144,3 +144,17 @@ func TestMakePasswordListFromFile(t *testing.T) {
 		assert.Equal(t, []string{"test1", "test2"}, result)
 	})
 }
+
+func TestConfigStateScheme(t *testing.T) {
+	config := DefaultConfig()
+	config.StateScheme = "path"
+	config.GcMode = "archive"
+
+	assert.NoError(t, config.loadChain())
+
+	_, err := config.buildNode()
+	assert.NoError(t, err)
+
+	_, err = config.buildEth(nil, nil)
+	assert.Error(t, err)
+}