console: handle eth.coinbase throws

1 files changed, 17 insertions, 9 deletions

diff --git a/console/console.go b/console/console.go
index 50196d7f4..5326ed2c8 100644
--- a/console/console.go
+++ b/console/console.go
@@ -274,14 +274,22 @@ func (c *Console) AutoCompleteInput(line string, pos int) (string, []string, str
 // Welcome show summary of current Geth instance and some metadata about the
 // console's available modules.
 func (c *Console) Welcome() {
+	message := "Welcome to the Geth JavaScript console!\n\n"
+
 	// Print some generic Geth metadata
-	fmt.Fprintf(c.printer, "Welcome to the Geth JavaScript console!\n\n")
-	c.jsre.Run(`
-		console.log("instance: " + web3.version.node);
-		console.log("coinbase: " + eth.coinbase);
-		console.log("at block: " + eth.blockNumber + " (" + new Date(1000 * eth.getBlock(eth.blockNumber).timestamp) + ")");
-		console.log(" datadir: " + admin.datadir);
-	`)
+	if res, err := c.jsre.Run(`
+		var message = "instance: " + web3.version.node + "\n";
+		try {
+			message += "coinbase: " + eth.coinbase + "\n";
+		} catch (err) {}
+		message += "at block: " + eth.blockNumber + " (" + new Date(1000 * eth.getBlock(eth.blockNumber).timestamp) + ")\n";
+		try {
+			message += " datadir: " + admin.datadir + "\n";
+		} catch (err) {}
+		message
+	`); err == nil {
+		message += res.String()
+	}
 	// List all the supported modules for the user to call
 	if apis, err := c.client.SupportedModules(); err == nil {
 		modules := make([]string, 0, len(apis))
@@ -289,9 +297,9 @@ func (c *Console) Welcome() {
 			modules = append(modules, fmt.Sprintf("%s:%s", api, version))
 		}
 		sort.Strings(modules)
-		fmt.Fprintln(c.printer, " modules:", strings.Join(modules, " "))
+		message += " modules: " + strings.Join(modules, " ") + "\n"
 	}
-	fmt.Fprintln(c.printer)
+	fmt.Fprintln(c.printer, message)
 }
 
 // Evaluate executes code and pretty prints the result to the specified output