diagnostics - added query for bootnodes (#8344)

diagnostics/bootnodes.go

@@ -0,0 +1,25 @@
+package diagnostics
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/ledgerwatch/erigon/turbo/node"
+)
+
+func SetupBootnodesAccess(metricsMux *http.ServeMux, node *node.ErigonNode) {
+	metricsMux.HandleFunc("/bootnodes", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Content-Type", "application/json")
+
+		bootnodes := node.Node().Config().P2P.BootstrapNodesV5
+
+		btNodes := make([]string, 0, len(bootnodes))
+
+		for _, bootnode := range bootnodes {
+			btNodes = append(btNodes, bootnode.String())
+		}
+
+		json.NewEncoder(w).Encode(btNodes)
+	})
+}

diagnostics/setup.go

@@ -26,5 +26,6 @@ func Setup(ctx *cli.Context, metricsMux *http.ServeMux, node *node.ErigonNode) {
 	SetupHeaderDownloadStats(debugMux)
 	SetupNodeInfoAccess(debugMux, node)
 	SetupPeersAccess(ctx, debugMux, node)
+	SetupBootnodesAccess(debugMux, node)
 
 }

turbo/node/node.go

@@ -38,6 +38,10 @@ func (eri *ErigonNode) Backend() *eth.Ethereum {
 	return eri.backend
 }
 
+func (eri *ErigonNode) Node() *node.Node {
+	return eri.stack
+}
+
 func (eri *ErigonNode) Close() {
 	eri.stack.Close()
 }