kernel: SanityChecks: Return an error struct

This reduces libbitcoinkernel's coupling with ui_interface and
translation.

1 files changed, 15 insertions, 1 deletions

diff --git a/src/init.cpp b/src/init.cpp
index 108f5c99d3..d0fd6074b1 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1094,7 +1094,21 @@ static bool LockDataDirectory(bool probeOnly)
 bool AppInitSanityChecks(const kernel::Context& kernel)
 {
     // ********************************************************* Step 4: sanity checks
-    if (!kernel::SanityChecks(kernel)) {
+    auto maybe_error = kernel::SanityChecks(kernel);
+
+    if (maybe_error.has_value()) {
+        switch (maybe_error.value()) {
+        case kernel::SanityCheckError::ERROR_ECC:
+            InitError(Untranslated("Elliptic curve cryptography sanity check failure. Aborting."));
+            break;
+        case kernel::SanityCheckError::ERROR_RANDOM:
+            InitError(Untranslated("OS cryptographic RNG sanity check failure. Aborting."));
+            break;
+        case kernel::SanityCheckError::ERROR_CHRONO:
+            InitError(Untranslated("Clock epoch mismatch. Aborting."));
+            break;
+        } // no default case, so the compiler can warn about missing cases
+
         return InitError(strprintf(_("Initialization sanity check failed. %s is shutting down."), PACKAGE_NAME));
     }