Merge pull request #4162 from marta-lokhova/networkConfigLod

Fix startup race condition

Reviewed-by: dmkozh

Author: latobarita

Diff for: src/ledger/LedgerManager.h

@@ -128,6 +128,7 @@ class LedgerManager
     // Ledger txn here is needed for the sake of lazy load; it won't be
     // used most of the time.
     virtual SorobanNetworkConfig const& getSorobanNetworkConfig() = 0;
+    virtual bool hasSorobanNetworkConfig() const = 0;
 
 #ifdef BUILD_TESTS
     virtual SorobanNetworkConfig& getMutableSorobanNetworkConfig() = 0;

Diff for: src/ledger/LedgerManagerImpl.cpp

@@ -540,6 +540,12 @@ LedgerManagerImpl::getSorobanNetworkConfig()
     return getSorobanNetworkConfigInternal();
 }
 
+bool
+LedgerManagerImpl::hasSorobanNetworkConfig() const
+{
+    return mSorobanNetworkConfig.has_value();
+}
+
 #ifdef BUILD_TESTS
 SorobanNetworkConfig&
 LedgerManagerImpl::getMutableSorobanNetworkConfig()

Diff for: src/ledger/LedgerManagerImpl.h

@@ -146,6 +146,7 @@ class LedgerManagerImpl : public LedgerManager
     uint32_t getLastTxFee() const override;
     uint32_t getLastClosedLedgerNum() const override;
     SorobanNetworkConfig const& getSorobanNetworkConfig() override;
+    bool hasSorobanNetworkConfig() const override;
 
 #ifdef BUILD_TESTS
     SorobanNetworkConfig& getMutableSorobanNetworkConfig() override;

Diff for: src/main/ApplicationImpl.cpp

@@ -471,8 +471,7 @@ ApplicationImpl::getJsonInfo(bool verbose)
     info["ledger"]["baseFee"] = lcl.header.baseFee;
     info["ledger"]["baseReserve"] = lcl.header.baseReserve;
     info["ledger"]["maxTxSetSize"] = lcl.header.maxTxSetSize;
-    if (protocolVersionStartsFrom(lcl.header.ledgerVersion,
-                                  SOROBAN_PROTOCOL_VERSION))
+    if (lm.hasSorobanNetworkConfig())
     {
         info["ledger"]["maxSorobanTxSetSize"] =
             static_cast<Json::Int64>(lm.maxLedgerResources(/* isSoroban */ true)
@@ -551,13 +550,15 @@ ApplicationImpl::getJsonInfo(bool verbose)
 void
 ApplicationImpl::reportInfo(bool verbose)
 {
-    mLedgerManager->loadLastKnownLedger(nullptr);
-    LedgerTxn ltx(getLedgerTxnRoot());
-    if (protocolVersionStartsFrom(ltx.loadHeader().current().ledgerVersion,
-                                  SOROBAN_PROTOCOL_VERSION))
-    {
-        getLedgerManager().updateNetworkConfig(ltx);
-    }
+    auto loadConfig = [this]() {
+        LedgerTxn ltx(getLedgerTxnRoot());
+        if (protocolVersionStartsFrom(ltx.loadHeader().current().ledgerVersion,
+                                      SOROBAN_PROTOCOL_VERSION))
+        {
+            getLedgerManager().updateNetworkConfig(ltx);
+        }
+    };
+    mLedgerManager->loadLastKnownLedger(loadConfig);
     LOG_INFO(DEFAULT_LOG, "Reporting application info");
     std::cout << getJsonInfo(verbose).toStyledString() << std::endl;
 }

Diff for: src/main/CommandHandler.cpp

@@ -740,9 +740,7 @@ CommandHandler::sorobanInfo(std::string const& params, std::string& retStr)
     ZoneScoped;
     auto& lm = mApp.getLedgerManager();
 
-    if (protocolVersionStartsFrom(
-            lm.getLastClosedLedgerHeader().header.ledgerVersion,
-            SOROBAN_PROTOCOL_VERSION))
+    if (lm.hasSorobanNetworkConfig())
     {
         std::map<std::string, std::string> retMap;
         http::server::server::parseParams(params, retMap);

Diff for: src/main/test/ApplicationUtilsTests.cpp

@@ -630,16 +630,7 @@ TEST_CASE("application setup", "[applicationutils]")
         Config cfg2 = getTestConfig(2);
         cfg2.setInMemoryMode();
         cfg2.DATABASE = SecretValue{minimalDBForInMemoryMode(cfg2)};
-
-        SECTION("BucketListDB")
-        {
-            cfg2.EXPERIMENTAL_BUCKETLIST_DB = true;
-            testInMemoryMode(cfg1, cfg2);
-        }
-        SECTION("SQL DB")
-        {
-            testInMemoryMode(cfg1, cfg2);
-        }
+        testInMemoryMode(cfg1, cfg2);
     }
 }