insurance fund withdraw ix (#561)

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

programs/mango-v4/src/accounts_ix/group_withdraw_insurance_fund.rs

@@ -0,0 +1,35 @@
+use crate::{error::MangoError, state::*};
+use anchor_lang::prelude::*;
+use anchor_spl::token::{self, Token, TokenAccount};
+
+#[derive(Accounts)]
+pub struct GroupWithdrawInsuranceFund<'info> {
+    #[account(
+        mut,
+        has_one = insurance_vault,
+        has_one = admin,
+        constraint = group.load()?.is_ix_enabled(IxGate::GroupWithdrawInsuranceFund) @ MangoError::IxIsDisabled,
+    )]
+    pub group: AccountLoader<'info, Group>,
+    pub admin: Signer<'info>,
+
+    #[account(mut)]
+    pub insurance_vault: Account<'info, TokenAccount>,
+
+    #[account(mut)]
+    pub destination: Account<'info, TokenAccount>,
+
+    pub token_program: Program<'info, Token>,
+}
+
+impl<'info> GroupWithdrawInsuranceFund<'info> {
+    pub fn transfer_ctx(&self) -> CpiContext<'_, '_, '_, 'info, token::Transfer<'info>> {
+        let program = self.token_program.to_account_info();
+        let accounts = token::Transfer {
+            from: self.insurance_vault.to_account_info(),
+            to: self.destination.to_account_info(),
+            authority: self.group.to_account_info(),
+        };
+        CpiContext::new(program, accounts)
+    }
+}

programs/mango-v4/src/accounts_ix/mod.rs

@@ -12,6 +12,7 @@ pub use flash_loan::*;
 pub use group_close::*;
 pub use group_create::*;
 pub use group_edit::*;
+pub use group_withdraw_insurance_fund::*;
 pub use health_region::*;
 pub use ix_gate_set::*;
 pub use perp_cancel_all_orders::*;
@@ -70,6 +71,7 @@ mod flash_loan;
 mod group_close;
 mod group_create;
 mod group_edit;
+mod group_withdraw_insurance_fund;
 mod health_region;
 mod ix_gate_set;
 mod perp_cancel_all_orders;

programs/mango-v4/src/instructions/group_withdraw_insurance_fund.rs

@@ -0,0 +1,19 @@
+use anchor_lang::prelude::*;
+use anchor_spl::token;
+
+use crate::{accounts_ix::GroupWithdrawInsuranceFund, group_seeds};
+
+pub fn group_withdraw_insurance_fund(
+    ctx: Context<GroupWithdrawInsuranceFund>,
+    amount: u64,
+) -> Result<()> {
+    let group = ctx.accounts.group.load()?;
+
+    let group_seeds = group_seeds!(group);
+    token::transfer(
+        ctx.accounts.transfer_ctx().with_signer(&[group_seeds]),
+        amount.min(ctx.accounts.insurance_vault.amount),
+    )?;
+
+    Ok(())
+}

programs/mango-v4/src/instructions/ix_gate_set.rs

@@ -67,6 +67,7 @@ pub fn ix_gate_set(ctx: Context<IxGateSet>, ix_gate: u128) -> Result<()> {
     log_if_changed(&group, ix_gate, IxGate::AccountBuybackFeesWithMngo);
     log_if_changed(&group, ix_gate, IxGate::TokenForceCloseBorrowsWithToken);
     log_if_changed(&group, ix_gate, IxGate::PerpForceClosePosition);
+    log_if_changed(&group, ix_gate, IxGate::GroupWithdrawInsuranceFund);
 
     group.ix_gate = ix_gate;
 

programs/mango-v4/src/instructions/mod.rs

@@ -12,6 +12,7 @@ pub use flash_loan::*;
 pub use group_close::*;
 pub use group_create::*;
 pub use group_edit::*;
+pub use group_withdraw_insurance_fund::*;
 pub use health_region::*;
 pub use ix_gate_set::*;
 pub use perp_cancel_all_orders::*;
@@ -70,6 +71,7 @@ mod flash_loan;
 mod group_close;
 mod group_create;
 mod group_edit;
+mod group_withdraw_insurance_fund;
 mod health_region;
 mod ix_gate_set;
 mod perp_cancel_all_orders;

programs/mango-v4/src/lib.rs

@@ -85,6 +85,14 @@ pub mod mango_v4 {
         Ok(())
     }
 
+    pub fn group_withdraw_insurance_fund(
+        ctx: Context<GroupWithdrawInsuranceFund>,
+        amount: u64,
+    ) -> Result<()> {
+        #[cfg(feature = "enable-gpl")]
+        instructions::group_withdraw_insurance_fund(ctx, amount)
+    }
+
     pub fn ix_gate_set(ctx: Context<IxGateSet>, ix_gate: u128) -> Result<()> {
         #[cfg(feature = "enable-gpl")]
         instructions::ix_gate_set(ctx, ix_gate)?;

programs/mango-v4/src/state/group.rs

@@ -189,6 +189,7 @@ pub enum IxGate {
     AccountBuybackFeesWithMngo = 48,
     TokenForceCloseBorrowsWithToken = 49,
     PerpForceClosePosition = 50,
+    GroupWithdrawInsuranceFund = 51,
     // NOTE: Adding new variants requires matching changes in ts and the ix_gate_set instruction.
 }
 

ts/client/src/clientIxParamBuilder.ts

@@ -236,6 +236,7 @@ export const TrueIxGateParams: IxGateParams = {
   AccountBuybackFeesWithMngo: true,
   TokenForceCloseBorrowsWithToken: true,
   PerpForceClosePosition: true,
+  GroupWithdrawInsuranceFund: true,
 };
 
 // build ix gate e.g. buildIxGate(Builder(TrueIxGateParams).TokenDeposit(false).build()).toNumber(),
@@ -303,8 +304,8 @@ export function buildIxGate(p: IxGateParams): BN {
   toggleIx(ixGate, p, 'TokenWithdraw', 47);
   toggleIx(ixGate, p, 'AccountBuybackFeesWithMngo', 48);
   toggleIx(ixGate, p, 'TokenForceCloseBorrowsWithToken', 49);
-  toggleIx(ixGate, p, 'TokenForceCloseBorrowsWithToken', 49);
-  toggleIx(ixGate, p, 'PerpForceClosePosition', 49);
+  toggleIx(ixGate, p, 'PerpForceClosePosition', 50);
+  toggleIx(ixGate, p, 'GroupWithdrawInsuranceFund', 51);
 
   return ixGate;
 }