Add some trace logging for soroban tx

Author: jayz22

src/transactions/InvokeHostFunctionOpFrame.cpp

@@ -497,6 +497,14 @@ InvokeHostFunctionOpFrame::doApply(Application& app, AbstractLedgerTxn& ltx,
         metrics.mCpuInsnExclVm = out.cpu_insns_excluding_vm_instantiation;
         metrics.mInvokeTimeNsecsExclVm =
             out.time_nsecs_excluding_vm_instantiation;
+
+        CLOG_TRACE(Tx, "invokeTimeNsecs: {}, cpuInsn: {}, ratio: {}",
+                   metrics.mInvokeTimeNsecs, metrics.mCpuInsn,
+                   (float)metrics.mInvokeTimeNsecs / (float)metrics.mCpuInsn);
+        CLOG_TRACE(Tx, "(excl VM) invokeTimeNsecs: {}, cpuInsn: {}, ratio: {}",
+                   metrics.mInvokeTimeNsecsExclVm, metrics.mCpuInsnExclVm,
+                   (float)metrics.mInvokeTimeNsecsExclVm /
+                       (float)metrics.mCpuInsnExclVm);
         if (!out.success)
         {
             maybePopulateDiagnosticEvents(appConfig, out, metrics);

src/transactions/TransactionFrame.cpp

@@ -30,6 +30,7 @@
 #include "util/GlobalChecks.h"
 #include "util/Logging.h"
 #include "util/ProtocolVersion.h"
+#include "util/XDRCereal.h"
 #include "util/XDROperators.h"
 #include "util/XDRStream.h"
 #include "xdr/Stellar-contract.h"
@@ -1950,6 +1951,12 @@ TransactionFrame::apply(Application& app, AbstractLedgerTxn& ltx,
 
                 ok = applyOperations(signatureChecker, app, ltx, meta,
                                      sorobanBasePrngSeed);
+
+                if (isSoroban())
+                {
+                    CLOG_TRACE(Tx, "Soroban transaction meta: {}",
+                               xdr_to_string(meta.getXDR(), "meta"));
+                }
             }
             return ok;
         }