add migration test

Author: olga24912

contracts/satoshi-bridge/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "satoshi-bridge"
-version = "0.7.5"
+version = "0.8.0"
 edition.workspace = true
 publish.workspace = true
 repository.workspace = true

contracts/satoshi-bridge/tests/data/btc_bridge_v0-5-1.wasm

@@ -1,4 +1,6 @@
 mod setup;
+use near_sdk::serde_json::json;
+use satoshi_bridge::Account;
 use setup::*;
 
 #[tokio::test]
@@ -16,11 +18,11 @@ async fn test_btc_bridge_upgrade() {
 }
 
 #[tokio::test]
-async fn test_btc_bridge_upgrade_from_v0_5_1() {
+async fn test_btc_bridge_upgrade_from_v0_7_5() {
     let worker = near_workspaces::sandbox().await.unwrap();
     let upgrade_context = UpgradeContext::new(
         &worker,
-        "tests/data/btc_bridge_v0-5-1.wasm",
+        "tests/data/btc_bridge_v0-7-5.wasm",
         "tests/data/nbtc_v0-5-1.wasm",
     )
     .await;
@@ -62,7 +64,7 @@ async fn test_nbtc_upgrade_from_v0_5_1() {
     let worker = near_workspaces::sandbox().await.unwrap();
     let upgrade_context = UpgradeContext::new(
         &worker,
-        "tests/data/btc_bridge_v0-5-1.wasm",
+        "tests/data/btc_bridge_v0-7-5.wasm",
         "tests/data/nbtc_v0-5-1.wasm",
     )
     .await;
@@ -71,6 +73,42 @@ async fn test_nbtc_upgrade_from_v0_5_1() {
     check!(view upgrade_context.get_nbtc_version());
 }
 
+/// After upgrading from v0.7.5 (btc_pending_sign_id: Option<String>)
+/// to the current version (btc_pending_sign_ids: HashSet<String>),
+/// reading an account created by the old contract must still work.
+#[tokio::test]
+async fn test_btc_bridge_upgrade_from_v0_7_5_account_migration() {
+    let worker = near_workspaces::sandbox().await.unwrap();
+    let upgrade_context = UpgradeContext::new(
+        &worker,
+        "tests/data/btc_bridge_v0-7-5.wasm",
+        "../../res/nbtc.wasm",
+    )
+    .await;
+
+    // The deployer account (root) was created during contract init on the old version.
+    // Upgrade to the new version.
+    check!(upgrade_context.upgrade_satoshi_bridge("../../res/bitcoin_bridge.wasm"));
+
+    // get_account must successfully deserialize the old account format.
+    let account: Option<Account> = upgrade_context
+        .previous_satoshi_bridge_contract
+        .call("get_account")
+        .args_json(json!({"account_id": upgrade_context.root.id()}))
+        .view()
+        .await
+        .unwrap()
+        .json()
+        .unwrap();
+
+    let account = account.expect("Account must exist after migration");
+    assert_eq!(
+        account.account_id.as_str(),
+        upgrade_context.root.id().as_str()
+    );
+    assert!(account.btc_pending_sign_ids.is_empty());
+}
+
 #[tokio::test]
 async fn test_set_icon() {
     let worker = near_workspaces::sandbox().await.unwrap();