Mc/keeper (#714)

* v0.19.28

* ts: tokenWithdrawAllDepositForMint

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

* Fix

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

* Fix

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

* rust: dont include tokens with errors in crank

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

* Fixes from review

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

* review fixes

* Fixes from review

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

---------

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>
Co-authored-by: Christian Kamm <mail@ckamm.de>

bin/keeper/src/crank.rs

@@ -217,7 +217,22 @@ pub async fn loop_update_index_and_rate(
                     is_writable: true,
                 })
                 .collect::<Vec<_>>();
+
             ix.accounts.append(&mut banks);
+
+            let sim_result = match client.simulate(vec![ix.clone()]).await {
+                Ok(response) => response.value,
+                Err(e) => {
+                    error!(token.name, "simulation request error: {e:?}");
+                    continue;
+                }
+            };
+
+            if let Some(e) = sim_result.err {
+                error!(token.name, "simulation error: {e:?} {:?}", sim_result.logs);
+                continue;
+            }
+
             instructions.push(ix);
         }
         let pre = Instant::now();

lib/client/src/client.rs

@@ -26,6 +26,7 @@ use mango_v4::state::{
 use solana_address_lookup_table_program::state::AddressLookupTable;
 use solana_client::nonblocking::rpc_client::RpcClient as RpcClientAsync;
 use solana_client::rpc_config::RpcSendTransactionConfig;
+use solana_client::rpc_response::RpcSimulateTransactionResult;
 use solana_sdk::address_lookup_table_account::AddressLookupTableAccount;
 use solana_sdk::commitment_config::CommitmentLevel;
 use solana_sdk::hash::Hash;
@@ -1757,6 +1758,21 @@ impl MangoClient {
         .send_and_confirm(&self.client)
         .await
     }
+
+    pub async fn simulate(
+        &self,
+        instructions: Vec<Instruction>,
+    ) -> anyhow::Result<SimulateTransactionResponse> {
+        TransactionBuilder {
+            instructions,
+            address_lookup_tables: vec![],
+            payer: self.client.fee_payer.pubkey(),
+            signers: vec![self.client.fee_payer.clone()],
+            config: self.client.transaction_builder_config,
+        }
+        .simulate(&self.client)
+        .await
+    }
 }
 
 #[derive(Debug, thiserror::Error)]
@@ -1784,6 +1800,9 @@ pub struct TransactionBuilder {
     pub config: TransactionBuilderConfig,
 }
 
+pub type SimulateTransactionResponse =
+    solana_client::rpc_response::Response<RpcSimulateTransactionResult>;
+
 impl TransactionBuilder {
     pub async fn transaction(
         &self,
@@ -1834,6 +1853,12 @@ impl TransactionBuilder {
             .map_err(prettify_solana_client_error)
     }
 
+    pub async fn simulate(&self, client: &Client) -> anyhow::Result<SimulateTransactionResponse> {
+        let rpc = client.rpc_async();
+        let tx = self.transaction(&rpc).await?;
+        Ok(rpc.simulate_transaction(&tx).await?)
+    }
+
     pub async fn send_and_confirm(&self, client: &Client) -> anyhow::Result<Signature> {
         let rpc = client.rpc_async();
         let tx = self.transaction(&rpc).await?;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@blockworks-foundation/mango-v4",
-  "version": "0.19.27",
+  "version": "0.19.28",
   "description": "Typescript Client for mango-v4 program.",
   "repository": "https://github.com/blockworks-foundation/mango-v4",
   "author": {

ts/client/src/client.ts

@@ -1409,6 +1409,35 @@ export class MangoClient {
     ]);
   }
 
+  /**
+   * Withdraw the entire deposit balance for a token, effectively freeing the token position
+   *
+   * @param group
+   * @param mangoAccount
+   * @param mintPk
+   * @returns
+   */
+  public async tokenWithdrawAllDepositForMint(
+    group: Group,
+    mangoAccount: MangoAccount,
+    mintPk: PublicKey,
+  ): Promise<MangoSignatureStatus> {
+    const bank = group.getFirstBankByMint(mintPk);
+    const b = mangoAccount.getTokenBalance(bank).toNumber();
+    if (b < 0) {
+      throw new Error(`Only call this method for deposits and not borrows!`);
+    }
+    const ixes = await this.tokenWithdrawNativeIx(
+      group,
+      mangoAccount,
+      mintPk,
+      U64_MAX_BN,
+      false,
+    );
+
+    return await this.sendAndConfirmTransactionForGroup(group, ixes);
+  }
+
   public async tokenWithdraw(
     group: Group,
     mangoAccount: MangoAccount,