1 files changed, 21 insertions, 4 deletions
diff --git a/src/node/chainstatemanager_args.cpp b/src/node/chainstatemanager_args.cpp
index bc4a815a3e..b86d0b2991 100644
--- a/src/node/chainstatemanager_args.cpp
+++ b/src/node/chainstatemanager_args.cpp
@@ -32,13 +32,20 @@ util::Result<void> ApplyArgsManOptions(const ArgsManager& args, ChainstateManage
     if (auto value{args.GetBoolArg("-checkpoints")}) opts.checkpoints_enabled = *value;
 
     if (auto value{args.GetArg("-minimumchainwork")}) {
-        if (!IsHexNumber(*value)) {
-            return util::Error{strprintf(Untranslated("Invalid non-hex (%s) minimum chain work value specified"), *value)};
+        if (auto min_work{uint256::FromUserHex(*value)}) {
+            opts.minimum_chain_work = UintToArith256(*min_work);
+        } else {
+            return util::Error{strprintf(Untranslated("Invalid minimum work specified (%s), must be up to %d hex digits"), *value, uint256::size() * 2)};
         }
-        opts.minimum_chain_work = UintToArith256(uint256S(*value));
     }
 
-    if (auto value{args.GetArg("-assumevalid")}) opts.assumed_valid_block = uint256S(*value);
+    if (auto value{args.GetArg("-assumevalid")}) {
+        if (auto block_hash{uint256::FromUserHex(*value)}) {
+            opts.assumed_valid_block = *block_hash;
+        } else {
+            return util::Error{strprintf(Untranslated("Invalid assumevalid block hash specified (%s), must be up to %d hex digits (or 0 to disable)"), *value, uint256::size() * 2)};
+        }
+    }
 
     if (auto value{args.GetIntArg("-maxtipage")}) opts.max_tip_age = std::chrono::seconds{*value};
 
@@ -56,6 +63,16 @@ util::Result<void> ApplyArgsManOptions(const ArgsManager& args, ChainstateManage
     opts.worker_threads_num = std::clamp(script_threads - 1, 0, MAX_SCRIPTCHECK_THREADS);
     LogPrintf("Script verification uses %d additional threads\n", opts.worker_threads_num);
 
+    if (auto max_size = args.GetIntArg("-maxsigcachesize")) {
+        // 1. When supplied with a max_size of 0, both the signature cache and
+        //    script execution cache create the minimum possible cache (2
+        //    elements). Therefore, we can use 0 as a floor here.
+        // 2. Multiply first, divide after to avoid integer truncation.
+        size_t clamped_size_each = std::max<int64_t>(*max_size, 0) * (1 << 20) / 2;
+        opts.script_execution_cache_bytes = clamped_size_each;
+        opts.signature_cache_bytes = clamped_size_each;
+    }
+
     return {};
 }
 } // namespace node