From 1b5e3093e628ca196c7a963321173a9758d2d504 Mon Sep 17 00:00:00 2001
From: Wilfred Allyn <wilfredallyn@protonmail.com>
Date: Sun, 15 Dec 2024 06:37:13 -0500
Subject: [PATCH] feature: set power to highest preset <= wattage

---
 pyasic/miners/backends/vnish.py | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/pyasic/miners/backends/vnish.py b/pyasic/miners/backends/vnish.py
index b57c5187..b78fc14f 100644
--- a/pyasic/miners/backends/vnish.py
+++ b/pyasic/miners/backends/vnish.py
@@ -276,17 +276,16 @@ class VNish(VNishFirmware, BMMiner):
 
     async def set_power_limit(self, wattage: int) -> bool:
         config = await self.get_config()
-        tuned_presets = [
+        valid_presets = [
             preset.power
             for preset in config.mining_mode.available_presets
-            if preset.tuned
+            if preset.tuned and preset.power <= wattage
         ]
+        new_wattage = max(valid_presets)
 
-        # Can only set power limit to tuned preset
-        if wattage not in tuned_presets:
-            return False
+        # Set power to highest preset <= wattage
         try:
-            await self.web.set_power_limit(wattage)
+            await self.web.set_power_limit(new_wattage)
             updated_settings = await self.web.settings()
         except APIError:
             raise
@@ -294,7 +293,7 @@ class VNish(VNishFirmware, BMMiner):
             logging.warning(f"{self} - Failed to set power limit: {e}")
             return False
 
-        if int(updated_settings["miner"]["overclock"]["preset"]) == wattage:
+        if int(updated_settings["miner"]["overclock"]["preset"]) == new_wattage:
             return True
         else:
             return False