added particles and some code for recent block listing

src/httpapi/sse/private/__init__.py

@@ -2,10 +2,17 @@
 
 SSE API for node client access
 """
+from pathlib import Path
+
 from flask import g, Blueprint
 from gevent import sleep
 import gevent
+import ujson
 
+from onionrblocks.onionrblockapi import Block
+from coredb.dbfiles import block_meta_db
+from coredb.blockmetadb import get_block_list
+from onionrutils.epoch import get_epoch
 from onionrstatistics.transports.tor import TorStats
 from .. import wrapper
 """
@@ -45,3 +52,22 @@ def stream_tor_circuits():
             yield "data: " + tor_stats.get_json() + "\n\n"
             sleep(10)
     return SSEWrapper.handle_sse_request(circuit_stat_stream)
+
+@private_sse_blueprint.route('/recentblocks')
+def stream_recent_blocks():
+    def _compile_json(b_list):
+        js = {}
+        for block in b_list:
+            js[block] = Block(block).btype
+        return ujson.dumps(js, reject_bytes=True)
+
+    def _stream_recent():
+        last_time = Path(block_meta_db).stat().st_ctime
+        while True:
+            if Path(block_meta_db).stat().st_ctime != last_time:
+                last_time = Path(block_meta_db).stat().st_ctime
+                yield "data: " + _compile_json(get_block_list(get_epoch() - 5)) + "\n\n"
+            else:
+                yield "data: none" + "\n\n"
+            sleep(5)
+    return SSEWrapper.handle_sse_request(_stream_recent)