# Amount ladder bench — partial results (interrupted 2026-07-09)

Scratch (local): `koopa-admin-log/.tmp/amount-bench-20260709-101102/`

## Setup
| Item | Value |
|------|-------|
| Bank user | `bench-fat` |
| Password file (koopa host) | `/root/bank-bench-fat-password.txt` |
| Admin credit | GOA:100000 |
| Withdraw | GOA:25000 → wallet available GOA:25000 |
| Merchant instance | `goa-demo-cp4zqk` |
| Free-amount template | `goa-free` |
| Fixed template (legacy) | `goa` amount GOA:5 fixed-order |
| Withdraw wall time | ~393 s (confirm path issues) |

## Payments (all failed — template URL 404)

| # | Amount | handle (s) | rud (s) | total (s) | status | loadavg |
|--:|--------|----------:|--------:|----------:|--------|--------:|
| 1 | `GOA:0.000001` | 0.209 | 0.168 | **0.377** | error | 2.17 |
| 2 | `GOA:0.001` | 0.234 | 0.17 | **0.404** | error | 2.06 |
| 3 | `GOA:0.05` | 0.203 | 0.168 | **0.371** | error | 2.21 |
| 4 | `GOA:0.5` | 0.199 | 0.169 | **0.369** | error | 2.17 |
| 5 | `GOA:1` | 0.204 | 0.167 | **0.37** | error | 2.07 |
| 6 | `GOA:3` | 0.201 | 0.168 | **0.37** | error | 2.22 |
| 7 | `GOA:7` | 0.198 | 0.168 | **0.366** | error | 2.18 |
| 8 | `GOA:10` | 0.286 | 0.17 | **0.456** | error | 2.23 |
| 9 | `GOA:25` | 0.204 | 0.167 | **0.372** | error | 2.21 |
| 10 | `GOA:50` | 0.204 | 0.167 | **0.372** | error | 2.41 |
| 11 | `GOA:100` | 0.279 | 0.166 | **0.445** | error | 2.27 |
| 12 | `GOA:250` | 0.294 | 0.168 | **0.462** | error | 2.23 |
| 13 | `GOA:500` | 0.21 | 0.165 | **0.375** | error | 2.12 |
| 14 | `GOA:1000` | 0.202 | 0.169 | **0.37** | error | 2.33 |
| 15 | `GOA:2500` | 0.198 | 0.164 | **0.362** | error | 2.31 |
| 16 | `GOA:5000` | 0.201 | 0.167 | **0.368** | error | 2.43 |

### Failure
Wallet requested:
```
GET https://taler.hacktivism.ch/instances/goa-demo-cp4zqk/goa-free/templates/
→ 404
```
URI used: `taler://pay-template/taler.hacktivism.ch/instances/goa-demo-cp4zqk/goa-free/?amount=…&summary=…`
Fix next: correct pay-template path / merchant public template endpoint.

## Planned amount ladder (not all run)
`GOA:0.000001 0.001 0.05 0.5 1 3 7 10 25 50 100 250 500 1000 2500 5000`