From d87d2e1b7dc6c2cda1415f8f1fed2086784c8750 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Duchesneau?=
 <stephane.duchesneau@streamingfast.io>
Date: Fri, 13 Sep 2024 09:45:21 -0400
Subject: [PATCH] add substreams tools default-endpoint

---
 docs/release-notes/change-log.md |  4 ++++
 tools/default-endpoint.go        | 27 +++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 tools/default-endpoint.go

diff --git a/docs/release-notes/change-log.md b/docs/release-notes/change-log.md
index 40a75333..5d0531c2 100644
--- a/docs/release-notes/change-log.md
+++ b/docs/release-notes/change-log.md
@@ -17,6 +17,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 * Fix handling of 'special case' substreams module with only "params" as its input: should not skip this execution (used in graph-node for head tracking) 
   -> empty files in module cache with hash `d3b1920483180cbcd2fd10abcabbee431146f4c8` should be deleted for consistency
 
+### CLI
+
+* Add `substreams tools default-endpoint {network-name}` to help with auto-configuration tools
+
 ## v1.10.2
 
 * `substreams gui`: fix panic in some conditions when streaming from block 0
diff --git a/tools/default-endpoint.go b/tools/default-endpoint.go
new file mode 100644
index 00000000..02d88678
--- /dev/null
+++ b/tools/default-endpoint.go
@@ -0,0 +1,27 @@
+package tools
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"github.com/streamingfast/substreams/manifest"
+)
+
+var defaultEndpointCmd = &cobra.Command{
+	Use:   "default-endpoint {network-name}",
+	Short: "returns the default endpoint for a given network (the one used by default by the substreams CLI tool)",
+	Args:  cobra.ExactArgs(1),
+	RunE:  defaultEndpointE,
+}
+
+func init() {
+	Cmd.AddCommand(defaultEndpointCmd)
+}
+
+func defaultEndpointE(cmd *cobra.Command, args []string) error {
+	if endpoint := manifest.HardcodedEndpoints[args[0]]; endpoint != "" {
+		fmt.Println(endpoint)
+		return nil
+	}
+	return fmt.Errorf("no endpoint found for network %s", args[0])
+}