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feat(lite): async wallet creation with server failover

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Mirror the async-open path for wallet creation. beginOpenExisting() and
beginCreateWallet() now both delegate to beginAsyncLifecycle(bool create),
which runs the backend init on a detached thread and walks the failover
server list (preferred server first, then all usable defaults), reporting
the preferred server's error on total failure. The first-run wizard's
Create button drives this through a non-blocking "creating" poll state so
the UI no longer freezes while the backend contacts a (possibly flaky)
lightwalletd. The created seed response is securely wiped immediately and
read back via exportSeed for the reveal/verify steps.

Safe because litelib_initialize_new contacts the server before writing any
wallet file and LightClient::new errors if a wallet already exists, so a
failed candidate leaves no partial state.

Tests: fake backend's initialize_new now honors the dead/warmup server
substrings; testLiteWalletControllerOpenFailover gains a create-failover
case (preferred dead, fallback good -> walletOpen).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
DanS
2026-06-08 11:29:59 -05:00
parent 6ff1fda870
commit 320c659689
5 changed files with 102 additions and 37 deletions
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19
tests/test_phase4.cpp
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@@ -3578,7 +3578,7 @@ void testLiteWalletControllerOpenFailover()
bool sawConnecting = false, sawOpened = false;
for (const auto& l : log) {
if (l.find("connecting to") != std::string::npos) sawConnecting = true;
if (l.find("Wallet opened via") != std::string::npos) sawOpened = true;
if (l.find("Wallet ready via") != std::string::npos) sawOpened = true;
}
EXPECT_TRUE(sawConnecting);
EXPECT_TRUE(sawOpened);
@@ -3616,6 +3616,23 @@ void testLiteWalletControllerOpenFailover()
EXPECT_TRUE(controller.lastOpenWasWarmup());
}
// Create also fails over: preferred dead, fallback good -> a new wallet is created via the
// fallback (no existing wallet beforehand).
{
dragonx::test::resetLiteFakeCounters();
dragonx::test::g_liteFakeWalletExists = false; // creating fresh
dragonx::test::g_liteFakeDeadServerSubstr = "dead.example";
LiteWalletController controller(liteCaps, conn,
LiteClientBridge::fromApi(dragonx::test::makeFakeLiteApi()));
EXPECT_FALSE(controller.walletOpen());
EXPECT_TRUE(controller.beginCreateWallet());
for (int i = 0; i < 400 && controller.openInProgress(); ++i)
std::this_thread::sleep_for(std::chrono::milliseconds(5));
controller.pumpAsyncOpen();
EXPECT_TRUE(controller.walletOpen());
EXPECT_TRUE(controller.lastOpenError().empty());
}
dragonx::test::g_liteFakeWalletExists = false;
dragonx::test::g_liteFakeDeadServerSubstr.clear();
dragonx::test::g_liteFakeWarmupServerSubstr.clear();