WIP: unlendable deposits

mango_v4.json

@@ -1981,6 +1981,75 @@
         }
       ]
     },
+    {
+      "name": "tokenCreatePosition",
+      "accounts": [
+        {
+          "name": "group",
+          "isMut": false,
+          "isSigner": false
+        },
+        {
+          "name": "account",
+          "isMut": true,
+          "isSigner": false,
+          "relations": [
+            "group"
+          ]
+        },
+        {
+          "name": "owner",
+          "isMut": false,
+          "isSigner": true
+        },
+        {
+          "name": "bank",
+          "isMut": true,
+          "isSigner": false,
+          "relations": [
+            "group"
+          ]
+        }
+      ],
+      "args": [
+        {
+          "name": "allowLending",
+          "type": "bool"
+        }
+      ]
+    },
+    {
+      "name": "tokenClosePosition",
+      "accounts": [
+        {
+          "name": "group",
+          "isMut": false,
+          "isSigner": false
+        },
+        {
+          "name": "account",
+          "isMut": true,
+          "isSigner": false,
+          "relations": [
+            "group"
+          ]
+        },
+        {
+          "name": "owner",
+          "isMut": false,
+          "isSigner": true
+        },
+        {
+          "name": "bank",
+          "isMut": true,
+          "isSigner": false,
+          "relations": [
+            "group"
+          ]
+        }
+      ],
+      "args": []
+    },
     {
       "name": "tokenDeposit",
       "accounts": [
@@ -7711,12 +7780,28 @@
             ],
             "type": "f32"
           },
+          {
+            "name": "padding2",
+            "type": {
+              "array": [
+                "u8",
+                4
+              ]
+            }
+          },
+          {
+            "name": "unlendableDeposits",
+            "docs": [
+              "The sum of native tokens in unlendable token positions"
+            ],
+            "type": "u64"
+          },
           {
             "name": "reserved",
             "type": {
               "array": [
                 "u8",
-                1900
+                1888
               ]
             }
           }
@@ -9218,7 +9303,8 @@
           {
             "name": "indexedPosition",
             "docs": [
-              "The deposit_index (if positive) or borrow_index (if negative) scaled position"
+              "The token position, scaled with the deposit_index (if positive) or borrow_index (if negative)",
+              "to get the lendable/borrowed native token amount"
             ],
             "type": {
               "defined": "I80F48"
@@ -9227,7 +9313,7 @@
           {
             "name": "tokenIndex",
             "docs": [
-              "index into Group.tokens"
+              "index the token is registered with, same as in Bank and MintInfo"
             ],
             "type": "u16"
           },
@@ -9238,12 +9324,25 @@
             ],
             "type": "u16"
           },
+          {
+            "name": "disableLending",
+            "docs": [
+              "set to 1 when these deposits may not be lent out",
+              "",
+              "This has consequences:",
+              "- only deposits possible, no borrows (also implying no perps with that settle token)",
+              "- not accounted for in Bank.indexed_deposits,",
+              "- instead tracked in Bank.unlendable_deposits (to ensure the vault always has them)",
+              "- indexed_position stays 0, instead use unlendable_deposits a straight native token amount"
+            ],
+            "type": "u8"
+          },
           {
             "name": "padding",
             "type": {
               "array": [
                 "u8",
-                4
+                3
               ]
             }
           },
@@ -9261,12 +9360,21 @@
             "name": "cumulativeBorrowInterest",
             "type": "f64"
           },
+          {
+            "name": "unlendableDeposits",
+            "docs": [
+              "deposited unlendable native token amount",
+              "",
+              "When this is set, indexed_position is always zero"
+            ],
+            "type": "u64"
+          },
           {
             "name": "reserved",
             "type": {
               "array": [
                 "u8",
-                128
+                120
               ]
             }
           }
@@ -11090,6 +11198,12 @@
           },
           {
             "name": "HealthCheck"
+          },
+          {
+            "name": "TokenCreatePosition"
+          },
+          {
+            "name": "TokenClosePosition"
           }
         ]
       }
@@ -11540,6 +11654,51 @@
         }
       ]
     },
+    {
+      "name": "TokenBalanceLogV2",
+      "fields": [
+        {
+          "name": "mangoGroup",
+          "type": "publicKey",
+          "index": false
+        },
+        {
+          "name": "mangoAccount",
+          "type": "publicKey",
+          "index": false
+        },
+        {
+          "name": "tokenIndex",
+          "type": "u16",
+          "index": false
+        },
+        {
+          "name": "indexedPosition",
+          "type": "i128",
+          "index": false
+        },
+        {
+          "name": "depositIndex",
+          "type": "i128",
+          "index": false
+        },
+        {
+          "name": "borrowIndex",
+          "type": "i128",
+          "index": false
+        },
+        {
+          "name": "nativePosition",
+          "type": "u64",
+          "index": false
+        },
+        {
+          "name": "allowLending",
+          "type": "bool",
+          "index": false
+        }
+      ]
+    },
     {
       "name": "FlashLoanLog",
       "fields": [
@@ -14447,6 +14606,36 @@
       "code": 6072,
       "name": "InvalidHealth",
       "msg": "invalid health"
+    },
+    {
+      "code": 6073,
+      "name": "PerpSettleTokenPositionMustSupportBorrows",
+      "msg": "perp settle token position does not support borrows"
+    },
+    {
+      "code": 6074,
+      "name": "TokenPositionIsInUse",
+      "msg": "the token position is still in use by another position"
+    },
+    {
+      "code": 6075,
+      "name": "TokenPositionBalanceNotZero",
+      "msg": "the token position has a non-zero balance"
+    },
+    {
+      "code": 6076,
+      "name": "TokenPositionWithDifferentSettingAlreadyExists",
+      "msg": "cannot have a lending and no-lending token position at the same time"
+    },
+    {
+      "code": 6077,
+      "name": "UnlendableTokenPositionCannotBeNegative",
+      "msg": "cannot borrow from unlendable token position"
+    },
+    {
+      "code": 6078,
+      "name": "TokenConditionalSwapUnsupportedUnlendablePosition",
+      "msg": "token conditional swaps currently don't support unlendable positions"
     }
   ]
 }

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

@@ -66,6 +66,7 @@ pub use token_conditional_swap_cancel::*;
 pub use token_conditional_swap_create::*;
 pub use token_conditional_swap_start::*;
 pub use token_conditional_swap_trigger::*;
+pub use token_create_or_close_position::*;
 pub use token_deposit::*;
 pub use token_deregister::*;
 pub use token_edit::*;
@@ -146,6 +147,7 @@ mod token_conditional_swap_cancel;
 mod token_conditional_swap_create;
 mod token_conditional_swap_start;
 mod token_conditional_swap_trigger;
+mod token_create_or_close_position;
 mod token_deposit;
 mod token_deregister;
 mod token_edit;

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

@@ -0,0 +1,25 @@
+use anchor_lang::prelude::*;
+
+use crate::error::*;
+use crate::state::*;
+
+#[derive(Accounts)]
+pub struct TokenCreateOrClosePosition<'info> {
+    // ix gate checking happens in instruction code
+    pub group: AccountLoader<'info, Group>,
+
+    #[account(
+        mut,
+        has_one = group,
+        constraint = account.load()?.is_operational() @ MangoError::AccountIsFrozen,
+        constraint = account.load()?.is_owner_or_delegate(owner.key()),
+    )]
+    pub account: AccountLoader<'info, MangoAccountFixed>,
+    pub owner: Signer<'info>,
+
+    #[account(
+        mut,
+        has_one = group,
+    )]
+    pub bank: AccountLoader<'info, Bank>,
+}

programs/mango-v4/src/error.rs

@@ -151,6 +151,18 @@ pub enum MangoError {
     InvalidSequenceNumber,
     #[msg("invalid health")]
     InvalidHealth,
+    #[msg("perp settle token position does not support borrows")]
+    PerpSettleTokenPositionMustSupportBorrows,
+    #[msg("the token position is still in use by another position")]
+    TokenPositionIsInUse,
+    #[msg("the token position has a non-zero balance")]
+    TokenPositionBalanceNotZero,
+    #[msg("cannot have a lending and no-lending token position at the same time")]
+    TokenPositionWithDifferentSettingAlreadyExists,
+    #[msg("cannot borrow from unlendable token position")]
+    UnlendableTokenPositionCannotBeNegative,
+    #[msg("token conditional swaps currently don't support unlendable positions")]
+    TokenConditionalSwapUnsupportedUnlendablePosition,
 }
 
 impl MangoError {