WIP performance fees

apps/contracts/vault/src/lib.rs

@@ -17,6 +17,7 @@ mod funds;
 mod interface;
 mod investment;
 mod models;
+mod report;
 mod storage;
 mod strategies;
 mod test;

apps/contracts/vault/src/report.rs

@@ -0,0 +1,23 @@
+use soroban_sdk::{Address, Env};
+
+use crate::funds::fetch_strategy_invested_funds;
+
+pub fn report(e: &Env, strategy: Address) -> (i128, i128) {
+    let current_balance = fetch_strategy_invested_funds(e, &strategy);
+    let prev_balance = get_prev_balance(strategy);
+    let previous_gains_or_losses = get_gains_or_losses(strategy);
+
+    let gains_or_losses = current_balance - prev_balance;
+    let current_gains_or_losses = previous_gains_or_losses + gains_or_losses;
+
+    store_gains_or_losses(strategy, current_gains_or_losses);
+    store_prev_balance(strategy, current_balance);
+
+    (0,0)
+}
+
+pub fn report_all_strategies() {
+    for strategy in strategies {
+        report(strategy);
+    }
+}

apps/contracts/vault/src/strategies.rs

@@ -142,7 +142,7 @@ pub fn invest_in_strategy(
     asset_address: &Address,
     strategy_address: &Address,
     amount: &i128,
-) -> Result<(), ContractError> {
+) -> Result<i128, ContractError> {
 
     // Now we will handle funds on behalf of the contract, not the caller (manager or user)
 
@@ -165,7 +165,11 @@ pub fn invest_in_strategy(
 
     let strategy_client = get_strategy_client(&e, strategy_address.clone());
 
-    strategy_client.deposit(amount, &e.current_contract_address());
+    let strategy_funds = strategy_client.deposit(amount, &e.current_contract_address());
+
+    // Reports
+    // Store Strategy invested funds for reports
+
 
-    Ok(())
+    Ok(strategy_funds)
 }