Factor out Transactor::trapTransaction (#5087)

src/xrpld/app/tx/detail/Transactor.cpp

@@ -825,6 +825,14 @@ Transactor::reset(XRPAmount fee)
     return {ter, fee};
 }
 
+// The sole purpose of this function is to provide a convenient, named
+// location to set a breakpoint, to be used when replaying transactions.
+void
+Transactor::trapTransaction(uint256 txHash) const
+{
+    JLOG(j_.debug()) << "Transaction trapped: " << txHash;
+}
+
 //------------------------------------------------------------------------------
 std::pair<TER, bool>
 Transactor::operator()()
@@ -857,7 +865,7 @@ Transactor::operator()()
     if (auto const& trap = ctx_.app.trapTxID();
         trap && *trap == ctx_.tx.getTransactionID())
     {
-        JLOG(j_.debug()) << "Transaction trapped: " << *trap;
+        trapTransaction(*trap);
     }
 
     auto result = ctx_.preclaimResult;

src/xrpld/app/tx/detail/Transactor.h

@@ -198,6 +198,8 @@ private:
     checkSingleSign(PreclaimContext const& ctx);
     static NotTEC
     checkMultiSign(PreclaimContext const& ctx);
+
+    void trapTransaction(uint256) const;
 };
 
 /** Performs early sanity checks on the txid */