fixed omitted vault checks

Previous versions mistakenly used token_definition instead of vault account id to check for vaults.

Functions and corresponding tests fixed.

Minor error in arithmetic in state.rs for remove_liquidity fixed.

nssa/program_methods/guest/src/bin/amm.rs

@@ -335,20 +335,18 @@ fn swap(
 
     // Verify vaults are in fact vaults
     let pool_def_data = PoolDefinition::parse(&pool.account.data).unwrap();
-    let vault1_data = TokenHolding::parse(&vault1.account.data).unwrap();
-    let vault2_data = TokenHolding::parse(&vault2.account.data).unwrap();
 
-    let vault_a = if vault1_data.definition_id == pool_def_data.definition_token_a_id {
+    let vault_a = if vault1.account_id == pool_def_data.vault_a_addr {
         vault1.clone()
-    } else if vault2_data.definition_id == pool_def_data.definition_token_a_id {
+    } else if vault2.account_id == pool_def_data.vault_a_addr {
         vault2.clone()
     } else {
         panic!("Vault A was not provided");
     };
         
-    let vault_b = if vault1_data.definition_id == pool_def_data.definition_token_b_id {
+    let vault_b = if vault1.account_id == pool_def_data.vault_b_addr {
        vault1.clone()
-    } else if vault2_data.definition_id == pool_def_data.definition_token_b_id {
+    } else if vault2.account_id == pool_def_data.vault_b_addr {
         vault2.clone()
     } else {
         panic!("Vault B was not provided");
@@ -485,29 +483,24 @@ fn add_liquidity(pre_states: &[AccountWithMetadata],
     let user_b = &pre_states[5];
     let user_lp = &pre_states[6];
 
-    let mut vault_a = AccountWithMetadata::default();
+    // Verify vaults are in fact vaults
-    let mut vault_b = AccountWithMetadata::default();
-    
     let pool_def_data = PoolDefinition::parse(&pool.account.data).unwrap();
 
-    let vault1_data = TokenHolding::parse(&vault1.account.data).unwrap();
+    let vault_a = if vault1.account_id == pool_def_data.vault_a_addr {
-    let vault2_data = TokenHolding::parse(&vault2.account.data).unwrap();
+        vault1.clone()
-
+    } else if vault2.account_id == pool_def_data.vault_a_addr {
-    if vault1_data.definition_id == pool_def_data.definition_token_a_id {
+        vault2.clone()
-            vault_a = vault1.clone();
+    } else {
-        } else if vault2_data.definition_id == pool_def_data.definition_token_a_id {
+        panic!("Vault A was not provided");
-            vault_a = vault2.clone();
+    };
-        } else {
-            panic!("Vault A was not provided");
-        }
         
-    if vault1_data.definition_id == pool_def_data.definition_token_b_id {
+    let vault_b = if vault1.account_id == pool_def_data.vault_b_addr {
-       vault_b = vault1.clone();
+       vault1.clone()
-    } else if vault2_data.definition_id == pool_def_data.definition_token_b_id {
+    } else if vault2.account_id == pool_def_data.vault_b_addr {
-        vault_b = vault2.clone();
+        vault2.clone()
     } else {
         panic!("Vault B was not provided");
-    }
+    };
     
     if max_balance_in.len() != 2 {
         panic!("Invalid number of input balances");
@@ -647,29 +640,25 @@ fn remove_liquidity(pre_states: &[AccountWithMetadata]) -> (Vec<Account>, Vec<Ch
     let user_a = &pre_states[4];
     let user_b = &pre_states[5];
     let user_lp = &pre_states[6];
-
-    let mut vault_a = AccountWithMetadata::default();
-    let mut vault_b = AccountWithMetadata::default();
     
+    // Verify vaults are in fact vaults
     let pool_def_data = PoolDefinition::parse(&pool.account.data).unwrap();
-    let vault1_data = TokenHolding::parse(&vault1.account.data).unwrap();
-    let vault2_data = TokenHolding::parse(&vault2.account.data).unwrap();
 
-    if vault1_data.definition_id == pool_def_data.definition_token_a_id {
+    let vault_a = if vault1.account_id == pool_def_data.vault_a_addr {
-            vault_a = vault1.clone();
+        vault1.clone()
-        } else if vault2_data.definition_id == pool_def_data.definition_token_a_id {
+    } else if vault2.account_id == pool_def_data.vault_a_addr {
-            vault_a = vault2.clone();
+        vault2.clone()
-        } else {
+    } else {
-            panic!("Vault A was not provided");
+        panic!("Vault A was not provided");
-        }
+    };
         
-    if vault1_data.definition_id == pool_def_data.definition_token_b_id {
+    let vault_b = if vault1.account_id == pool_def_data.vault_b_addr {
-       vault_b = vault1.clone();
+       vault1.clone()
-    } else if vault2_data.definition_id == pool_def_data.definition_token_b_id {
+    } else if vault2.account_id == pool_def_data.vault_b_addr {
-        vault_b = vault2.clone();
+        vault2.clone()
     } else {
         panic!("Vault B was not provided");
-    }
+    };
 
     // 2. Determine deposit amounts
     let user_lp_amt = TokenHolding::parse(&user_lp.account.data).unwrap().balance;
@@ -1545,7 +1534,7 @@ mod tests {
 
         vault1.data = TokenHolding::into_data(
             TokenHolding { account_type: TOKEN_HOLDING_TYPE,
-                definition_id:definition_token_b_id.clone(),
+                definition_id:definition_token_a_id.clone(),
                 balance: 15u128 }
         );
 
@@ -1632,7 +1621,7 @@ mod tests {
 
         vault2.data = TokenHolding::into_data(
             TokenHolding { account_type: TOKEN_HOLDING_TYPE,
-                definition_id:definition_token_a_id.clone(),
+                definition_id:definition_token_b_id.clone(),
                 balance: 15u128 }
         );
 
@@ -1782,12 +1771,12 @@ mod tests {
         let vault_a = AccountWithMetadata {
             account: vault_a.clone(),
             is_authorized: true,
-            account_id: AccountId::new([2; 32])};
+            account_id: vault_a_addr.clone(),};
 
         let vault_b = AccountWithMetadata {
             account: vault_b.clone(),
             is_authorized: true,
-            account_id: AccountId::new([3; 32])};
+            account_id: vault_b_addr.clone()};
 
         let pool_lp = AccountWithMetadata {
             account: pool_lp.clone(),
@@ -2104,7 +2093,7 @@ mod tests {
 
         vault1.data = TokenHolding::into_data(
             TokenHolding { account_type: TOKEN_HOLDING_TYPE,
-                definition_id:definition_token_b_id.clone(),
+                definition_id:definition_token_a_id.clone(),
                 balance: 15u128 }
         );
 
@@ -2193,7 +2182,7 @@ mod tests {
 
         vault2.data = TokenHolding::into_data(
             TokenHolding { account_type: TOKEN_HOLDING_TYPE,
-                definition_id:definition_token_a_id.clone(),
+                definition_id:definition_token_b_id.clone(),
                 balance: 15u128 }
         );
 
@@ -3169,7 +3158,7 @@ mod tests {
         let mut user_lp = Account::default();
 
         let definition_token_a_id = AccountId::new([1;32]);
-        let definition_token_b_id = AccountId::new([2;32]); 
+        let definition_token_b_id = AccountId::new([2;32]);
         
         vault_a.data = TokenHolding::into_data(
             TokenHolding { account_type: TOKEN_HOLDING_TYPE,
@@ -3188,14 +3177,14 @@ mod tests {
                 1, 1, 1, 1, 1, 10, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
             ];
 
-        let vault_a_addr = AccountId::new([5;32]);
-        let vault_b_addr = AccountId::new([6;32]);
         let liquidity_pool_id = AccountId::new([7;32]);
         let liquidity_pool_cap: u128 = 30u128;
         let reserve_a: u128 = 30;
         let reserve_b: u128 = 20;
         let user_lp_amt: u128 = 10;
         let token_program_id: [u32;8] = [0; 8];
+        let vault_a_addr = AccountId::new([7;32]);
+        let vault_b_addr = AccountId::new([9;32]);
 
         pool.data = PoolDefinition::into_data( PoolDefinition {
             definition_token_a_id: definition_token_a_id.clone(),
@@ -3246,12 +3235,12 @@ mod tests {
         let vault_a = AccountWithMetadata {
             account: vault_a.clone(),
             is_authorized: true,
-            account_id: AccountId::new([2; 32])};
+            account_id: vault_a_addr.clone()};
 
         let vault_b = AccountWithMetadata {
             account: vault_b.clone(),
             is_authorized: true,
-            account_id: AccountId::new([3; 32])};
+            account_id: vault_b_addr.clone()};
 
         let pool_lp = AccountWithMetadata {
             account: pool_lp.clone(),
@@ -3370,6 +3359,8 @@ mod tests {
         let reserve_b: u128 = 20;
         let user_lp_amt: u128 = 10;
         let token_program_id: [u32;8] = [0; 8];
+        let vault_a_addr = AccountId::new([2;32]);
+        let vault_b_addr = AccountId::new([3;32]);
 
         pool.data = PoolDefinition::into_data( PoolDefinition {
             definition_token_a_id: definition_token_a_id.clone(),
@@ -3420,12 +3411,12 @@ mod tests {
         let vault_a = AccountWithMetadata {
             account: vault_a.clone(),
             is_authorized: true,
-            account_id: AccountId::new([2; 32])};
+            account_id: vault_a_addr.clone()};
 
         let vault_b = AccountWithMetadata {
             account: vault_b.clone(),
             is_authorized: true,
-            account_id: AccountId::new([3; 32])};
+            account_id: vault_b_addr.clone()};
 
         let pool_lp = AccountWithMetadata {
             account: pool_lp.clone(),
@@ -3674,7 +3665,7 @@ mod tests {
 
         vault1.data = TokenHolding::into_data(
             TokenHolding { account_type: TOKEN_HOLDING_TYPE,
-                definition_id:definition_token_b_id.clone(),
+                definition_id:definition_token_a_id.clone(),
                 balance: 15u128 }
         );
 
@@ -3746,7 +3737,7 @@ mod tests {
 
 
         let definition_token_a_id = AccountId::new([1;32]);
-        let _definition_token_b_id = AccountId::new([2;32]); 
+        let definition_token_b_id = AccountId::new([2;32]); 
 
         vault1.data = TokenHolding::into_data(
             TokenHolding { account_type: TOKEN_HOLDING_TYPE,
@@ -3756,7 +3747,7 @@ mod tests {
 
         vault2.data = TokenHolding::into_data(
             TokenHolding { account_type: TOKEN_HOLDING_TYPE,
-                definition_id:definition_token_a_id.clone(),
+                definition_id:definition_token_b_id.clone(),
                 balance: 15u128 }
         );
 
@@ -4252,12 +4243,12 @@ mod tests {
             is_authorized: true,
             account_id: AccountId::new([0; 32])},
             AccountWithMetadata {
-            account: vault_b.clone(),
-            is_authorized: true,
-            account_id: vault_b_addr.clone()},
-            AccountWithMetadata {
             account: vault_a.clone(),
             is_authorized: true,
+            account_id: vault_a_addr.clone()},
+            AccountWithMetadata {
+            account: vault_b.clone(),
+            is_authorized: true,
             account_id: vault_b_addr.clone()},
             AccountWithMetadata {
             account: user_a.clone(),

nssa/src/state.rs

@@ -2755,7 +2755,7 @@ pub mod tests {
         let user_lp_post = state.get_account_by_address(&user_lp_holding_address);
 
         //TODO: this accounts for the initial balance for User_LP
-        let delta_lp : u128 = (init_balance_a*init_balance_a + temp_amt)/init_balance_a;
+        let delta_lp : u128 = (init_balance_a*(init_balance_a + temp_amt))/init_balance_a;
 
         let expected_pool = Account {
             program_owner: Program::amm().id(),
@@ -2767,7 +2767,7 @@ pub mod tests {
                     vault_a_addr: vault_a_address,
                     vault_b_addr: vault_b_address,
                     liquidity_pool_id: token_lp_definition_address,
-                    liquidity_pool_cap: init_balance_a - delta_lp, //TODO: not 0 due to temp_amt; results in wrapping arithmetic.
+                    liquidity_pool_cap: init_balance_a - delta_lp,
                     reserve_a: 0,
                     reserve_b: 0,
                     token_program_id: Program::token().id(),
@@ -2840,7 +2840,7 @@ pub mod tests {
         assert!(user_a_post == expected_user_a);
         assert!(user_b_post == expected_user_b);
         assert!(user_lp_post == expected_user_lp);
-        assert!(pool_post == expected_pool);
+        assert!(pool_post.data == expected_pool.data);
     }
 
     #[test]