Json info (#115)

* make info return a json with an spr

* add an `exec` target to the makefile

Makefile

@@ -86,6 +86,11 @@ testAll: | build deps
 	echo -e $(BUILD_MSG) "build/testCodex" "build/testContracts" && \
 		$(ENV_SCRIPT) nim testAll $(NIM_PARAMS) codex.nims
 
+# Builds the codex binary
+exec: | build deps
+	echo -e $(BUILD_MSG) "build/$@" && \
+		$(ENV_SCRIPT) nim codex codex.nims
+
 # symlink
 codex.nims:
 	ln -s codex.nimble $@

codex.nimble

@@ -46,7 +46,7 @@ proc test(name: string, srcDir = "tests/", lang = "c") =
   exec "build/" & name
 
 task codex, "build codex binary":
-  buildBinary "codex"
+  buildBinary "codex", params = "-d:chronicles_runtime_filtering -d:chronicles_log_level=TRACE"
 
 task testCodex, "Build & run Codex tests":
   test "testCodex"

codex/rest/api.nim

@@ -25,6 +25,7 @@ import pkg/stew/byteutils
 import pkg/confutils
 
 import pkg/libp2p/routing_record
+import pkg/libp2pdht/discv5/spr as spr
 
 import ../node
 import ../blocktype
@@ -260,14 +261,14 @@ proc initRestApi*(node: CodexNodeRef, conf: CodexConf): RestRouter =
       ## Print rudimentary node information
       ##
 
-      var addrs: string
+      let json = %*{
-      for a in node.switch.peerInfo.addrs:
+        "id": $node.switch.peerInfo.peerId,
-        addrs &= "- " & $a & "\n"
+        "addrs": node.switch.peerInfo.addrs.mapIt( $it ),
+        "repo": $conf.dataDir,
+        "spr": node.switch.peerInfo.signedPeerRecord.toURI
+      }
 
-      return RestApiResponse.response(
+      return RestApiResponse.response($json)
-        "Id: " & $node.switch.peerInfo.peerId &
-        "\nAddrs: \n" & addrs &
-        "\nRoot Dir: " & $conf.dataDir)
 
   router.api(
     MethodGet,