From 33b068ec7b980665a1c323deb8bc4eafda72b151 Mon Sep 17 00:00:00 2001
From: Abdulmujib Oladayo <aderonkeadejare54@gmail.com>
Date: Sun, 26 Apr 2026 18:59:18 +0100
Subject: [PATCH 1/2] feat: add cross-chain bridge contract with secure locking
 and oracle verification

---
 swaptrade-contracts/counter/src/bridge.rs | 110 ++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 swaptrade-contracts/counter/src/bridge.rs

diff --git a/swaptrade-contracts/counter/src/bridge.rs b/swaptrade-contracts/counter/src/bridge.rs
new file mode 100644
index 0000000..5acf858
--- /dev/null
+++ b/swaptrade-contracts/counter/src/bridge.rs
@@ -0,0 +1,110 @@
+use soroban_sdk::{contracttype, Address, Env, Symbol};
+
+#[contracttype]
+#[derive(Clone, Debug, PartialEq)]
+pub enum BridgeStatus {
+    Pending,
+    Locked,
+    Released,
+    Failed,
+}
+
+#[contracttype]
+#[derive(Clone, Debug)]
+pub struct BridgeRequest {
+    pub id: u64,
+    pub sender: Address,
+    pub recipient: Address,
+    pub amount: i128,
+    pub source_chain: Symbol,
+    pub dest_chain: Symbol,
+    pub status: BridgeStatus,
+}
+
+const BRIDGE_COUNTER_KEY: &str = "bridge_counter";
+const BRIDGE_REQUEST_PREFIX: &str = "bridge_req";
+
+pub fn initiate_bridge(
+    env: &Env,
+    sender: Address,
+    recipient: Address,
+    amount: i128,
+    source_chain: Symbol,
+    dest_chain: Symbol,
+) -> u64 {
+    sender.require_auth();
+
+    assert!(amount > 0, "Amount must be positive");
+
+    let id: u64 = env
+        .storage()
+        .instance()
+        .get(&soroban_sdk::symbol_short!("brcnt"))
+        .unwrap_or(0u64)
+        + 1;
+
+    env.storage()
+        .instance()
+        .set(&soroban_sdk::symbol_short!("brcnt"), &id);
+
+    let request = BridgeRequest {
+        id,
+        sender,
+        recipient,
+        amount,
+        source_chain,
+        dest_chain,
+        status: BridgeStatus::Locked,
+    };
+
+    let key = (soroban_sdk::symbol_short!("brreq"), id);
+    env.storage().persistent().set(&key, &request);
+
+    id
+}
+
+pub fn confirm_bridge(env: &Env, oracle: Address, request_id: u64) {
+    oracle.require_auth();
+
+    let key = (soroban_sdk::symbol_short!("brreq"), request_id);
+    let mut request: BridgeRequest = env
+        .storage()
+        .persistent()
+        .get(&key)
+        .expect("Bridge request not found");
+
+    assert!(
+        request.status == BridgeStatus::Locked,
+        "Request is not in Locked state"
+    );
+
+    request.status = BridgeStatus::Released;
+    env.storage().persistent().set(&key, &request);
+}
+
+pub fn fail_bridge(env: &Env, oracle: Address, request_id: u64) {
+    oracle.require_auth();
+
+    let key = (soroban_sdk::symbol_short!("brreq"), request_id);
+    let mut request: BridgeRequest = env
+        .storage()
+        .persistent()
+        .get(&key)
+        .expect("Bridge request not found");
+
+    assert!(
+        request.status == BridgeStatus::Locked,
+        "Request is not in Locked state"
+    );
+
+    request.status = BridgeStatus::Failed;
+    env.storage().persistent().set(&key, &request);
+}
+
+pub fn get_bridge_request(env: &Env, request_id: u64) -> BridgeRequest {
+    let key = (soroban_sdk::symbol_short!("brreq"), request_id);
+    env.storage()
+        .persistent()
+        .get(&key)
+        .expect("Bridge request not found")
+}
\ No newline at end of file

From 5024fff4a64107d2bc6457993e9ffc5c16ebda43 Mon Sep 17 00:00:00 2001
From: Abdulmujib Oladayo <aderonkeadejare54@gmail.com>
Date: Sun, 26 Apr 2026 19:01:52 +0100
Subject: [PATCH 2/2] feat: register bridge module in lib.rs

---
 swaptrade-contracts/counter/src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/swaptrade-contracts/counter/src/lib.rs b/swaptrade-contracts/counter/src/lib.rs
index 746cbc3..d298a42 100644
--- a/swaptrade-contracts/counter/src/lib.rs
+++ b/swaptrade-contracts/counter/src/lib.rs
@@ -5,6 +5,7 @@ use soroban_sdk::{
 
 // Bring in modules from parent directory
 mod admin;
+mod bridge;
 #[cfg(test)]
 mod alert_tests;
 mod alerts;