Merge pull request #327 from nspcc-dev/326-netmap-node-externaladdr

Deprecate `ExternalAddr` SN attribute

Author: roman-khimov

netmap/types.proto

@@ -207,6 +207,7 @@ message NodeInfo {
   //   Node's preferred way for communications with external clients.
   //   Clients SHOULD use these addresses if possible.
   //   Must contain a comma-separated list of multi-addresses.
+  //   DEPRECATED. Use 'addresses' field instead.
   // * Version
   //   Node implementation's version in a free string form.
   // * VerifiedNodesDomain

proto-docs/netmap.md

@@ -444,6 +444,7 @@ explicitly set:
   Node's preferred way for communications with external clients.
   Clients SHOULD use these addresses if possible.
   Must contain a comma-separated list of multi-addresses.
+  DEPRECATED. Use 'addresses' field instead.
 * Version
   Node implementation's version in a free string form.
 * VerifiedNodesDomain