fix: sub-nanodollar IBEX dust classifies as zero

admin_panel/api/census_core.py

@@ -19,6 +19,12 @@
 # cashwalletmigrations statuses that count as a completed migration.
 MIGRATED_STATUSES = {"completed", "complete", "succeeded", "success", "done"}
 
+# Balances at or below this are zero for classification. IBEX emits
+# sub-nanodollar dust (~1e-10 observed on prod, first full census): those rows
+# classified as "funded" pre-rounding but displayed $0.00. Matches the cutover
+# verifier's dust tolerance.
+FUNDED_EPSILON = 1e-6
+
 
 class PageLimitExceeded(Exception):
 	"""sweep_pages hit max_pages — the API is paging forever or the cap is too low."""
@@ -94,8 +100,10 @@ def build_census(ibex_accounts, wallets, accounts, migrations) -> dict:
 		migration = migrations.get(account_id)
 
 		raw_balance = account.get("balance")
-		balance = float(raw_balance) if raw_balance else 0.0
-		funded = balance > 0
+		# Round to stored precision BEFORE classifying so "funded" and the
+		# displayed balance can never disagree.
+		balance = round(float(raw_balance), 8) if raw_balance else 0.0
+		funded = balance > FUNDED_EPSILON
 
 		currency = wallet.get("currency") or CURRENCY_BY_ID.get(account.get("currencyId"))
 		status = acct.get("status")
@@ -146,7 +154,7 @@ def build_census(ibex_accounts, wallets, accounts, migrations) -> dict:
 				"account_id": account_id,
 				"wallet_id": wallet_id,
 				"currency": currency,
-				"balance": round(balance, 8),
+				"balance": balance,
 				"status": status,
 				"level": acct.get("level"),
 				"role": role,
@@ -162,7 +170,7 @@ def build_census(ibex_accounts, wallets, accounts, migrations) -> dict:
 		)
 
 	rows.sort(key=lambda r: r["balance"], reverse=True)
-	funded_count = sum(1 for r in rows if r["balance"] > 0)
+	funded_count = sum(1 for r in rows if r["balance"] > FUNDED_EPSILON)
 
 	# BTC wallets exist in mongo but hold no IBEX balance — report the count so
 	# operators know it's intentional, not a gap.

admin_panel/tests/test_census_core.py

@@ -215,3 +215,26 @@ def test_sweep_pages_empty_first_page():
 	from admin_panel.api.census_core import sweep_pages
 
 	assert list(sweep_pages(lambda p: [], max_pages=5)) == []
+
+
+def test_micro_dust_is_not_funded():
+	"""IBEX emits sub-nanodollar dust (~1e-10 seen on prod): it must classify
+	as zero — 91 rows showed 'active_funded' at $0.00 on the first full census."""
+	ibex = [{"id": "w-dust", "name": "acc-dust", "currencyId": 29, "balance": 3e-10}]
+	accounts = {
+		"acc-dust": {
+			"username": "dusty",
+			"role": "user",
+			"status": "active",
+			"default_wallet_id": "w-dust",
+		}
+	}
+	wallets = {"w-dust": {"account_id": "acc-dust", "currency": "Usdt", "type": "Checking"}}
+
+	result = build_census(ibex, wallets, accounts, {})
+	row = result["rows"][0]
+
+	assert row["balance"] == 0.0
+	assert row["buckets"] == ["active_zero"]
+	assert result["totals"]["funded"] == 0
+	assert result["bucket_counts"]["active_funded"] == 0