fix: use correct salt type for reveal_weights

- Update bittensor-rs to 32c6bfa (reveal_weights now takes &[u16] for salt)
- Use get_salt() to properly decode hex storage back to Vec<u16>
- Removes incorrect salt_bytes conversion that caused hash mismatches

Author: EchoBT

Cargo.lock

@@ -30,7 +30,7 @@ license = "MIT"
 
 [workspace.dependencies]
 # Bittensor
-bittensor-rs = { git = "https://github.com/CortexLM/bittensor-rs", rev = "47a9370" }
+bittensor-rs = { git = "https://github.com/CortexLM/bittensor-rs", rev = "32c6bfa" }
 
 # Async runtime
 tokio = { version = "1.40", features = ["full", "sync", "macros", "rt-multi-thread"] }

Cargo.toml

@@ -357,17 +357,13 @@ impl WeightSubmitter {
             pending.uids, pending.weights, pending.salt_hex, salt
         );
 
-        // Note: reveal_weights API expects &[u8] for salt, but we store as u16
-        // The salt bytes are converted back from the hex storage
-        let salt_bytes: Vec<u8> = hex::decode(&pending.salt_hex).unwrap_or_default();
-
         let tx_hash = reveal_weights(
             self.client.client()?,
             self.client.signer()?,
             self.client.netuid(),
             &uids_u64,
             &pending.weights,
-            &salt_bytes,
+            &salt, // Now correctly passing &[u16]
             pending.version_key,
             ExtrinsicWait::Finalized,
         )