liquidator: stop withdraw attempts on delgated accounts

bin/liquidator/src/main.rs

@@ -16,6 +16,7 @@ use mango_v4_client::{
 use itertools::Itertools;
 use solana_sdk::commitment_config::CommitmentConfig;
 use solana_sdk::pubkey::Pubkey;
+use solana_sdk::signer::Signer;
 use tracing::*;
 
 pub mod liquidate;
@@ -194,6 +195,11 @@ async fn main() -> anyhow::Result<()> {
         .await?;
     let mango_group = mango_account.fixed.group;
 
+    let signer_is_owner = mango_account.fixed.owner == liqor_owner.pubkey();
+    if cli.rebalance == BoolArg::True && !signer_is_owner {
+        warn!("rebalancing on delegated accounts will be unable to free token positions reliably, withdraw dust manually");
+    }
+
     let group_context = MangoGroupContext::new_from_rpc(&client.rpc_async(), mango_group).await?;
 
     let mango_oracles = group_context
@@ -322,6 +328,7 @@ async fn main() -> anyhow::Result<()> {
             .filter(|v| !v.is_empty())
             .map(|name| mango_client.context.token_by_name(name).token_index)
             .collect(),
+        allow_withdraws: signer_is_owner,
     };
 
     let rebalancer = Arc::new(rebalance::Rebalancer {

bin/liquidator/src/rebalance.rs

@@ -28,6 +28,7 @@ pub struct Config {
     pub refresh_timeout: Duration,
     pub jupiter_version: jupiter::Version,
     pub skip_tokens: Vec<TokenIndex>,
+    pub allow_withdraws: bool,
 }
 
 fn token_bank(
@@ -387,7 +388,11 @@ impl Rebalancer {
 
             // Any remainder that could not be sold just gets withdrawn to ensure the
             // TokenPosition is freed up
-            if amount > 0 && amount <= dust_threshold && !token_position.is_in_use() {
+            if amount > 0
+                && amount <= dust_threshold
+                && !token_position.is_in_use()
+                && self.config.allow_withdraws
+            {
                 let allow_borrow = false;
                 let txsig = self
                     .mango_client