wip, getting change balance of read only account error, see test

programs/drift_vaults/src/cpi.rs

@@ -6,6 +6,10 @@ pub trait InitializeUserCPI {
     fn drift_initialize_user_stats(&self, name: [u8; 32], bump: u8) -> Result<()>;
 }
 
+pub trait DeleteUserCPI {
+    fn delete_user(&self, name: [u8; 32], bump: u8) -> Result<()>;
+}
+
 pub trait DepositCPI {
     fn drift_deposit(&self, amount: u64) -> Result<()>;
 }

programs/drift_vaults/src/error.rs

@@ -51,6 +51,8 @@ pub enum ErrorCode {
     InvalidVaultDeposit,
     #[msg("OngoingLiquidation")]
     OngoingLiquidation,
+    #[msg("VaultCantBeDeleted")]
+    VaultCantBeDeleted,
 }
 
 impl From<DriftErrorCode> for ErrorCode {

programs/drift_vaults/src/instructions/constraints.rs

@@ -43,3 +43,10 @@ pub fn is_user_stats_for_vault(
 ) -> anchor_lang::Result<bool> {
     Ok(vault_depositor.load()?.user_stats.eq(user_stats.key))
 }
+
+pub fn is_spot_market_index(
+    vault: &AccountLoader<Vault>,
+    spot_market_index: u16,
+) -> anchor_lang::Result<bool> {
+    Ok(vault.load()?.spot_market_index == spot_market_index)
+}

programs/drift_vaults/src/instructions/delete_vault.rs

@@ -0,0 +1,96 @@
+use crate::constraints::{
+    is_manager_for_vault, is_spot_market_index, is_user_for_vault, is_user_stats_for_vault,
+};
+
+use crate::cpi::DeleteUserCPI;
+use crate::declare_vault_seeds;
+use crate::{error::ErrorCode, validate, Vault};
+use anchor_lang::prelude::*;
+use anchor_spl::token::{Mint, TokenAccount};
+use drift::cpi::accounts::DeleteUser as DriftDeleteUser;
+use drift::program::Drift;
+use drift::state::spot_market::SpotMarket;
+use drift::state::user::User;
+
+pub fn delete_vault<'info>(ctx: Context<'_, '_, '_, 'info, DeleteVault<'info>>) -> Result<()> {
+    let vault = ctx.accounts.vault.load()?;
+
+    validate!(
+        vault.total_shares == 0,
+        ErrorCode::VaultCantBeDeleted,
+        "cannot delete vault with outstanding shares"
+    );
+
+    ctx.delete_user(vault.name, vault.bump)?;
+
+    Ok(())
+}
+
+#[derive(Accounts)]
+pub struct DeleteVault<'info> {
+    #[account(
+        mut,
+        constraint = is_manager_for_vault(&vault, &manager)?,
+        close = payer,
+    )]
+    pub vault: AccountLoader<'info, Vault>,
+    #[account(
+        mut,
+        close = payer,
+    )]
+    pub token_account: Box<Account<'info, TokenAccount>>,
+    #[account(
+        mut,
+        constraint = is_spot_market_index(&vault, drift_spot_market.load()?.market_index)?,
+    )]
+    pub drift_spot_market: AccountLoader<'info, SpotMarket>,
+    #[account(
+        mut,
+        constraint = drift_spot_market.load()?.mint.eq(&drift_spot_market_mint.key())
+    )]
+    pub drift_spot_market_mint: Box<Account<'info, Mint>>,
+    /// CHECK: checked in drift cpi
+    #[account(
+        mut,
+        constraint = is_user_stats_for_vault(&vault, &drift_user_stats)?,
+    )]
+    /// CHECK: checked in drift cpi
+    pub drift_user_stats: AccountInfo<'info>,
+    #[account(
+        mut,
+        constraint = is_user_for_vault(&vault, &drift_user.key())?,
+        // close = manager
+    )]
+    /// CHECK: checked in drift cpi
+    pub drift_user: AccountLoader<'info, User>,
+    /// CHECK: checked in drift cpi
+    #[account(mut)]
+    pub drift_state: AccountInfo<'info>,
+    pub drift_program: Program<'info, Drift>,
+    #[account(mut)]
+    pub manager: Signer<'info>,
+    #[account(mut)]
+    pub payer: Signer<'info>,
+    pub rent: Sysvar<'info, Rent>,
+}
+
+impl<'info> DeleteUserCPI for Context<'_, '_, '_, 'info, DeleteVault<'info>> {
+    fn delete_user(&self, name: [u8; 32], bump: u8) -> Result<()> {
+        let signature_seeds = Vault::get_vault_signer_seeds(&name, &bump);
+        let signers = &[&signature_seeds[..]];
+
+        let cpi_program = self.accounts.drift_program.to_account_info().clone();
+        let cpi_accounts = DriftDeleteUser {
+            state: self.accounts.drift_state.clone(),
+            user: self.accounts.drift_user.to_account_info().clone(),
+            user_stats: self.accounts.drift_user_stats.clone(),
+            authority: self.accounts.vault.to_account_info().clone(),
+        };
+        let cpi_ctx = CpiContext::new_with_signer(cpi_program, cpi_accounts, signers);
+        // .with_remaining_accounts(self.remaining_accounts.into());
+
+        drift::cpi::delete_user(cpi_ctx)?;
+
+        Ok(())
+    }
+}

programs/drift_vaults/src/instructions/mod.rs

@@ -3,6 +3,7 @@ pub use cancel_withdraw_request::*;
 pub use deposit::*;
 pub use force_withdraw::*;
 pub use initialize_vault::*;
+pub use delete_vault::*;
 pub use initialize_vault_depositor::*;
 pub use liquidate::*;
 pub use manager_cancel_withdraw_request::*;
@@ -23,6 +24,7 @@ pub mod constraints;
 mod deposit;
 mod force_withdraw;
 mod initialize_vault;
+mod delete_vault;
 mod initialize_vault_depositor;
 mod liquidate;
 mod manager_cancel_withdraw_request;

programs/drift_vaults/src/lib.rs

@@ -23,6 +23,12 @@ pub mod drift_vaults {
         instructions::initialize_vault(ctx, params)
     }
 
+    pub fn delete_vault<'info>(
+        ctx: Context<'_, '_, '_, 'info, DeleteVault<'info>>,
+    ) -> Result<()> {
+        instructions::delete_vault(ctx)
+    }
+
     pub fn update_delegate<'info>(
         ctx: Context<'_, '_, '_, 'info, UpdateDelegate<'info>>,
         delegate: Pubkey,

tests/driftVaults.ts

@@ -70,6 +70,7 @@ describe('driftVaults', () => {
 			profitShare: ZERO,
 			hurdleRate: ZERO,
 			permissioned: false,
+			minDepositAmount: ZERO,
 		});
 
 		await adminClient.fetchAccounts();
@@ -217,4 +218,47 @@ describe('driftVaults', () => {
 
 		await printTxLogs(provider.connection, txSig);
 	});
+
+	it('Delete Vault', async () => {
+		const newVaultName = "another vault";
+		await vaultClient.initializeVault({
+			name: encodeName(newVaultName),
+			spotMarketIndex: 0,
+			redeemPeriod: ZERO,
+			maxTokens: ZERO,
+			managementFee: ZERO,
+			profitShare: ZERO,
+			hurdleRate: ZERO,
+			permissioned: false,
+			minDepositAmount: ZERO,
+		});
+		const vaultAddress = getVaultAddressSync(program.programId, encodeName(newVaultName));
+		console.log(`New vault address: ${vaultAddress.toBase58()}`);
+
+		await adminClient.fetchAccounts();
+		assert(adminClient.getStateAccount().numberOfAuthorities.eq(new BN(2)));
+		assert(adminClient.getStateAccount().numberOfSubAccounts.eq(new BN(2)));
+
+		console.log("deleting vault");
+		await vaultClient.deleteVault(vaultAddress);
+
+		await adminClient.fetchAccounts();
+		assert(adminClient.getStateAccount().numberOfAuthorities.eq(new BN(1)));
+		assert(adminClient.getStateAccount().numberOfSubAccounts.eq(new BN(1)));
+
+		// await vaultClient.initializeVault({
+		// 	name: encodeName(newVaultName),
+		// 	spotMarketIndex: 0,
+		// 	redeemPeriod: ZERO,
+		// 	maxTokens: ZERO,
+		// 	managementFee: ZERO,
+		// 	profitShare: ZERO,
+		// 	hurdleRate: ZERO,
+		// 	permissioned: false,
+		// 	minDepositAmount: ZERO,
+		// });
+		// await adminClient.fetchAccounts();
+		// assert(adminClient.getStateAccount().numberOfAuthorities.eq(new BN(2)));
+		// assert(adminClient.getStateAccount().numberOfSubAccounts.eq(new BN(2)));
+	});
 });

ts/sdk/cli/cli.ts

@@ -26,7 +26,7 @@ program
 program
     .command("init")
     .description("Initialize a new vault")
-    .option("-n, --name <vaultName>", "Name of the vault to create", "my new vault")
+    .addOption(new Option("--delegate <delegate>", "Address of the delegate to trade the vault, default is vault manager").makeOptionMandatory(false))
     .action((opts) => initVault(program, opts));
 program
     .command("view-vault")

ts/sdk/cli/commands/initVault.ts

@@ -27,27 +27,40 @@ export const initVault = async (program: Command, cmdOpts: OptionValues) => {
     }
     const spotPrecision = TEN.pow(new BN(spotMarket.decimals));
 
-    let newVaultName = cmdOpts.name;
-    if (!newVaultName) {
-        newVaultName = "my new vault";
-    }
-    const vaultNameBytes = encodeName(newVaultName!);
-    console.log(`Initializing a new vault named '${newVaultName}'`);
 
-    const initTx = await driftVault.initializeVault({
-        name: vaultNameBytes,
+    // throw new Error("[initVault] You're gonna want to find this message and complete the code");
+
+    // WARNING: fill in the below
+    // const initTx = await driftVault.initializeVault({
+    //     name: encodeName("my new vault"),
+    //     spotMarketIndex: 0,
+    //     redeemPeriod: new BN(3 * 60 * 60), // 3 hours
+    //     maxTokens: new BN(1000).mul(spotPrecision), // 1000 USDC cap
+    //     managementFee: PERCENTAGE_PRECISION.div(new BN(50)), // 2%
+    //     profitShare: PERCENTAGE_PRECISION.div(new BN(5)), // 20%
+    //     hurdleRate: 0,
+    //     permissioned: false,
+    //     minDepositAmount: new BN(10).mul(spotPrecision), // 10 USDC minimum deposit
+    // });
+    const vaultParams = {
+        name: encodeName("Supercharger Vault"),
         spotMarketIndex: 0,
-        redeemPeriod: new BN(3 * 60 * 60), // 3 hours
-        maxTokens: new BN(1000).mul(spotPrecision), // 1000 USDC cap
-        managementFee: PERCENTAGE_PRECISION.div(new BN(50)), // 2%
-        profitShare: PERCENTAGE_PRECISION.div(new BN(5)), // 20%
+        redeemPeriod: new BN(30 * 24 * 60 * 60), // 30 days
+        maxTokens: new BN(100_000).mul(spotPrecision),
+        managementFee: new BN(0), // 0%
+        profitShare: PERCENTAGE_PRECISION.mul(new BN(3)).div(new BN(10)), // 30%
         hurdleRate: 0,
-        permissioned: false,
-        minDepositAmount: new BN(10).mul(spotPrecision), // 10 USDC minimum deposit
-    });
+        permissioned: true,
+        minDepositAmount: new BN(1).mul(spotPrecision), // 1 USDC minimum deposit
+    }
+    console.log(`Initializing vault based on params':\n${JSON.stringify(vaultParams, null, 2)}'`);
+
+    // throw new Error("check it");
+
+    const initTx = await driftVault.initializeVault(vaultParams);
     console.log(`Initialized vault, tx: ${initTx}`);
 
-    const vaultAddress = getVaultAddressSync(VAULT_PROGRAM_ID, vaultNameBytes);
+    const vaultAddress = getVaultAddressSync(VAULT_PROGRAM_ID, vaultParams.name);
     console.log(`New vault address: ${vaultAddress}`);
 
     let delegate = cmdOpts.delegate;

ts/sdk/cli/commands/managerUpdateVault.ts

@@ -20,6 +20,10 @@ export const managerUpdateVault = async (program: Command, cmdOpts: OptionValues
         driftVault
     } = await getCommandContext(program, true);
 
+    // throw new Error("[updateVaultDepositor]: You're gonna want to find this message and complete the code");
+
+    // WARNING: fill in the below
+
     const newParams = {
         redeemPeriod: new BN(30 * 60 * 60 * 24), // 30 days
         maxTokens: null,

ts/sdk/src/idl/drift_vaults.json

@@ -80,6 +80,67 @@
         }
       ]
     },
+    {
+      "name": "deleteVault",
+      "accounts": [
+        {
+          "name": "vault",
+          "isMut": true,
+          "isSigner": false
+        },
+        {
+          "name": "tokenAccount",
+          "isMut": true,
+          "isSigner": false
+        },
+        {
+          "name": "driftSpotMarket",
+          "isMut": true,
+          "isSigner": false
+        },
+        {
+          "name": "driftSpotMarketMint",
+          "isMut": true,
+          "isSigner": false
+        },
+        {
+          "name": "driftUserStats",
+          "isMut": true,
+          "isSigner": false
+        },
+        {
+          "name": "driftUser",
+          "isMut": true,
+          "isSigner": false
+        },
+        {
+          "name": "driftState",
+          "isMut": true,
+          "isSigner": false
+        },
+        {
+          "name": "driftProgram",
+          "isMut": false,
+          "isSigner": false
+        },
+        {
+          "name": "manager",
+          "isMut": true,
+          "isSigner": true
+        },
+        {
+          "name": "payer",
+          "isMut": true,
+          "isSigner": true
+        },
+        {
+          "name": "rent",
+          "isMut": false,
+          "isSigner": false
+        }
+      ],
+      "args": []
+    },
     {
       "name": "updateDelegate",
       "accounts": [
@@ -1539,6 +1600,11 @@
       "code": 6021,
       "name": "OngoingLiquidation",
       "msg": "OngoingLiquidation"
+    },
+    {
+      "code": 6022,
+      "name": "VaultCantBeDeleted",
+      "msg": "VaultCantBeDeleted"
     }
   ],
   "metadata": {