Add system_{localPeerId, localListenAddresses} RPCs (#2185)

* Add system_{localPeerId, localListenAddresses} RPCs

* CHANGELOG

CHANGELOG.md

@@ -4,6 +4,7 @@
 - Align augmented generation with camelCase (Thanks to https://github.com/monitz87)
 - Fix bitfield endian encoding (Thanks to investigation by https://github.com/xlc)
 - Fix entries decoding for `Option<Number>` (& simplify, decoding correctly on rpc layer)
+- Add `rpc.system.{localPeerId, localListenAddresses}`
 - Ensure proper propagation of `api.runtimeVersion` (used for signing) after upgrade
 - Field ordering fix for deprecated `Linkage` (used in linked maps)
 - `derive.account.info` now returns all field types (not only raw)

packages/api/src/augment/rpc.ts

@@ -250,6 +250,14 @@ declare module '@polkadot/rpc-core/types.jsonrpc' {
        * Return health status of the node
        **/
       health: AugmentedRpc<() => Observable<Health>>;
+      /**
+       * The addresses include a trailing /p2p/ with the local PeerId, and are thus suitable to be passed to addReservedPeer or as a bootnode address for example
+       **/
+      localListenAddresses: AugmentedRpc<() => Observable<Vec<Text>>>;
+      /**
+       * Returns the base58-encoded PeerId of the node
+       **/
+      localPeerId: AugmentedRpc<() => Observable<Text>>;
       /**
        * Retrieves the node name
        **/

packages/types/src/interfaces/system/definitions.ts

@@ -39,6 +39,16 @@ export default {
       params: [],
       type: 'Health'
     },
+    localPeerId: {
+      description: 'Returns the base58-encoded PeerId of the node',
+      params: [],
+      type: 'Text'
+    },
+    localListenAddresses: {
+      description: 'The addresses include a trailing /p2p/ with the local PeerId, and are thus suitable to be passed to addReservedPeer or as a bootnode address for example',
+      params: [],
+      type: 'Vec<Text>'
+    },
     peers: {
       description: 'Returns the currently connected peers',
       params: [],