From 26eece38605147607e4829bb3f527834e9ff43c9 Mon Sep 17 00:00:00 2001
From: Tu Nombre Y Apellido <tu_correo_de_github@gmail.com>
Date: Sat, 11 Jul 2026 19:07:28 -0500
Subject: [PATCH] Fix: Add storage TTL bump calls #7

---
 src/treasury.rs | 153 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100644 src/treasury.rs

diff --git a/src/treasury.rs b/src/treasury.rs
new file mode 100644
index 0000000..27f2faa
--- /dev/null
+++ b/src/treasury.rs
@@ -0,0 +1,153 @@
+// src/treasury.rs
+//! Treasury contract for managing contributions and funds.
+
+use soroban_sdk::{contractimpl, contracterror, contracttype, Env, Vec, Symbol, String, Address, vec};
+use soroban_sdk::storage::{Storage, StorageKey};
+
+// Tipos de error
+#[contracterror]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord)]
+#[repr(u32)]
+pub enum TreasuryError {
+    AlreadyInitialized = 1,
+    NotInitialized = 2,
+    Unauthorized = 3,
+    InsufficientFunds = 4,
+    InvalidAmount = 5,
+}
+
+// Estructura de contribución
+#[contracttype]
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct Contribution {
+    pub contributor: Address,
+    pub amount: i128,
+    pub timestamp: u64,
+}
+
+// Estado del contrato
+#[contracttype]
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct State {
+    pub admin: Address,
+    pub total_contributions: i128,
+    pub contribution_count: u64,
+}
+
+// Claves de almacenamiento
+#[contracttype]
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum DataKey {
+    State,
+    Contributions(u64),
+    ContributionCount,
+}
+
+// Contrato de tesorería
+pub struct TreasuryContract;
+
+// ============================================================================
+// UTILIDADES DE TTL
+// ============================================================================
+
+/// Extiende el TTL del almacenamiento de instancia (para datos de contrato).
+/// TTL en Soroban se mide en ledgers. Se extiende a 1000 ledgers (~5 horas).
+fn bump_instance(env: &Env) {
+    env.storage().instance().extend_ttl(100, 1000);
+}
+
+/// Extiende el TTL del almacenamiento persistente (para datos de usuario).
+/// Se extiende a 1000 ledgers (~5 horas).
+fn bump_persistent(env: &Env, key: &StorageKey) {
+    env.storage().persistent().extend_ttl(key, 100, 1000);
+}
+
+// ============================================================================
+// FUNCIONES DEL CONTRATO
+// ============================================================================
+
+#[contractimpl]
+impl TreasuryContract {
+    /// Inicializa el contrato con el administrador.
+    pub fn initialize(env: Env, admin: Address) -> Result<(), TreasuryError> {
+        // Bump TTL de instancia
+        bump_instance(&env);
+
+        // Verificar si ya está inicializado
+        if env.storage().instance().has(&DataKey::State) {
+            return Err(TreasuryError::AlreadyInitialized);
+        }
+
+        // Guardar estado inicial
+        let state = State {
+            admin,
+            total_contributions: 0,
+            contribution_count: 0,
+        };
+        env.storage().instance().set(&DataKey::State, &state);
+
+        Ok(())
+    }
+
+    /// Realiza una contribución.
+    pub fn contribute(env: Env, contributor: Address, amount: i128) -> Result<(), TreasuryError> {
+        // Bump TTL al inicio
+        bump_instance(&env);
+
+        // Verificar que el contrato está inicializado
+        let mut state: State = env.storage().instance().get(&DataKey::State)
+            .ok_or(TreasuryError::NotInitialized)?;
+
+        // Validar monto
+        if amount <= 0 {
+            return Err(TreasuryError::InvalidAmount);
+        }
+
+        // Actualizar estado
+        state.total_contributions += amount;
+        state.contribution_count += 1;
+        env.storage().instance().set(&DataKey::State, &state);
+
+        // Guardar contribución individual en almacenamiento persistente
+        let contribution_key = DataKey::Contributions(state.contribution_count);
+        let contribution = Contribution {
+            contributor,
+            amount,
+            timestamp: env.ledger().timestamp(),
+        };
+        env.storage().persistent().set(&contribution_key, &contribution);
+
+        // Bump TTL del almacenamiento persistente
+        let storage_key = env.storage().persistent().get_key(&contribution_key).unwrap();
+        bump_persistent(&env, &storage_key);
+
+        Ok(())
+    }
+
+    /// Obtiene el estado del contrato.
+    pub fn get_state(env: Env) -> Result<State, TreasuryError> {
+        bump_instance(&env);
+        env.storage().instance().get(&DataKey::State)
+            .ok_or(TreasuryError::NotInitialized)
+    }
+
+    /// Obtiene una contribución por su ID.
+    pub fn get_contribution(env: Env, id: u64) -> Result<Contribution, TreasuryError> {
+        bump_instance(&env);
+        let key = DataKey::Contributions(id);
+        env.storage().persistent().get(&key)
+            .ok_or(TreasuryError::NotFound)
+    }
+}
+
+// ============================================================================
+// ERRORES ADICIONALES
+// ============================================================================
+
+#[contracterror]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord)]
+#[repr(u32)]
+pub enum TreasuryError {
+    // ... (errores anteriores)
+    NotFound = 6,
+}
\ No newline at end of file