node, p2p, internal: Add ability to remove peers via admin interface

node/api.go

@@ -58,6 +58,22 @@ func (api *PrivateAdminAPI) AddPeer(url string) (bool, error) {
 	return true, nil
 }
 
+// RemovePeer disconnects from a a remote node if the connection exists
+func (api *PrivateAdminAPI) RemovePeer(url string) (bool, error) {
+	// Make sure the server is running, fail otherwise
+	server := api.node.Server()
+	if server == nil {
+		return false, ErrNodeStopped
+	}
+	// Try to remove the url as a static peer and return
+	node, err := discover.ParseNode(url)
+	if err != nil {
+		return false, fmt.Errorf("invalid enode: %v", err)
+	}
+	server.RemovePeer(node)
+	return true, nil
+}
+
 // StartRPC starts the HTTP RPC API server.
 func (api *PrivateAdminAPI) StartRPC(host *string, port *rpc.HexNumber, cors *string, apis *string) (bool, error) {
 	api.node.lock.Lock()