From 1cec91e72d94508d881f6a4a396aa8a8ac8cd82a Mon Sep 17 00:00:00 2001
From: Ed Hennis <ed@ripple.com>
Date: Fri, 21 Nov 2025 17:20:43 -0500
Subject: [PATCH] Move protocol.h values into namespace Lending

---
 include/xrpl/protocol/Protocol.h             | 2 ++
 src/test/app/LoanBroker_test.cpp             | 1 +
 src/test/app/Loan_test.cpp                   | 6 ++++++
 src/xrpld/app/misc/detail/LendingHelpers.cpp | 2 ++
 src/xrpld/app/tx/detail/LoanBrokerSet.cpp    | 2 ++
 src/xrpld/app/tx/detail/LoanPay.cpp          | 2 ++
 src/xrpld/app/tx/detail/LoanSet.cpp          | 2 ++
 7 files changed, 17 insertions(+)

diff --git a/include/xrpl/protocol/Protocol.h b/include/xrpl/protocol/Protocol.h
index 2487d29c9b..ded16cad6d 100644
--- a/include/xrpl/protocol/Protocol.h
+++ b/include/xrpl/protocol/Protocol.h
@@ -110,6 +110,7 @@ tenthBipsOfValue(T value, TenthBips<TBips> bips)
     return value * bips.value() / tenthBipsPerUnity.value();
 }
 
+namespace Lending {
 /** The maximum management fee rate allowed by a loan broker in 1/10 bips.
 
     Valid values are between 0 and 10% inclusive.
@@ -197,6 +198,7 @@ static constexpr int loanPaymentsPerFeeIncrement = 5;
  * without an amendment
  */
 static constexpr int loanMaximumPaymentsPerTransaction = 100;
+}  // namespace Lending
 
 /** The maximum length of a URI inside an NFT */
 std::size_t constexpr maxTokenURILength = 256;
diff --git a/src/test/app/LoanBroker_test.cpp b/src/test/app/LoanBroker_test.cpp
index aa5b5519b9..a73621aa85 100644
--- a/src/test/app/LoanBroker_test.cpp
+++ b/src/test/app/LoanBroker_test.cpp
@@ -638,6 +638,7 @@ class LoanBroker_test : public beast::unit_test::suite
             }
 
             using namespace loanBroker;
+            using namespace ripple::Lending;
 
             TenthBips32 const tenthBipsZero{0};
 
diff --git a/src/test/app/Loan_test.cpp b/src/test/app/Loan_test.cpp
index fa4ed233b4..584f8d6890 100644
--- a/src/test/app/Loan_test.cpp
+++ b/src/test/app/Loan_test.cpp
@@ -1639,6 +1639,7 @@ protected:
         int interestExponent)
     {
         using namespace jtx;
+        using namespace Lending;
 
         auto const& asset = broker.asset.raw();
         auto const currencyLabel = getCurrencyLabel(asset);
@@ -4843,6 +4844,7 @@ protected:
 
         using namespace jtx;
         using namespace std::chrono_literals;
+        using namespace Lending;
         Env env(*this, all);
 
         Account const issuer{"issuer"};
@@ -5016,6 +5018,7 @@ protected:
 
         using namespace jtx;
         using namespace std::chrono_literals;
+        using namespace Lending;
         Env env(*this, all);
 
         Account const issuer{"issuer"};
@@ -5099,6 +5102,7 @@ protected:
 
         using namespace jtx;
         using namespace std::chrono_literals;
+        using namespace Lending;
         Env env(*this, all);
 
         Account const issuer{"issuer"};
@@ -5211,6 +5215,7 @@ protected:
 
         using namespace jtx;
         using namespace std::chrono_literals;
+        using namespace Lending;
         Env env(*this, all);
 
         Account const issuer{"issuer"};
@@ -5305,6 +5310,7 @@ protected:
 
         using namespace jtx;
         using namespace std::chrono_literals;
+        using namespace Lending;
         Env env(*this, all);
 
         Account const issuer{"issuer"};
diff --git a/src/xrpld/app/misc/detail/LendingHelpers.cpp b/src/xrpld/app/misc/detail/LendingHelpers.cpp
index e5eac77c1b..b558a24a15 100644
--- a/src/xrpld/app/misc/detail/LendingHelpers.cpp
+++ b/src/xrpld/app/misc/detail/LendingHelpers.cpp
@@ -1457,6 +1457,8 @@ loanMakePayment(
     LoanPaymentType const paymentType,
     beast::Journal j)
 {
+    using namespace Lending;
+
     /*
      * This function is an implementation of the XLS-66 spec,
      * section 3.2.4.3 (Transaction Pseudo-code)
diff --git a/src/xrpld/app/tx/detail/LoanBrokerSet.cpp b/src/xrpld/app/tx/detail/LoanBrokerSet.cpp
index c5b6891cb8..0e89cc6533 100644
--- a/src/xrpld/app/tx/detail/LoanBrokerSet.cpp
+++ b/src/xrpld/app/tx/detail/LoanBrokerSet.cpp
@@ -13,6 +13,8 @@ LoanBrokerSet::checkExtraFeatures(PreflightContext const& ctx)
 NotTEC
 LoanBrokerSet::preflight(PreflightContext const& ctx)
 {
+    using namespace Lending;
+
     auto const& tx = ctx.tx;
     if (auto const data = tx[~sfData]; data && !data->empty() &&
         !validDataLength(tx[~sfData], maxDataPayloadLength))
diff --git a/src/xrpld/app/tx/detail/LoanPay.cpp b/src/xrpld/app/tx/detail/LoanPay.cpp
index 39a93f634a..58fb2739d6 100644
--- a/src/xrpld/app/tx/detail/LoanPay.cpp
+++ b/src/xrpld/app/tx/detail/LoanPay.cpp
@@ -52,6 +52,8 @@ LoanPay::preflight(PreflightContext const& ctx)
 XRPAmount
 LoanPay::calculateBaseFee(ReadView const& view, STTx const& tx)
 {
+    using namespace Lending;
+
     auto const normalCost = Transactor::calculateBaseFee(view, tx);
 
     if (tx.isFlag(tfLoanFullPayment) || tx.isFlag(tfLoanLatePayment))
diff --git a/src/xrpld/app/tx/detail/LoanSet.cpp b/src/xrpld/app/tx/detail/LoanSet.cpp
index d9e5f8b981..2f174ff0c8 100644
--- a/src/xrpld/app/tx/detail/LoanSet.cpp
+++ b/src/xrpld/app/tx/detail/LoanSet.cpp
@@ -21,6 +21,8 @@ LoanSet::getFlagsMask(PreflightContext const& ctx)
 NotTEC
 LoanSet::preflight(PreflightContext const& ctx)
 {
+    using namespace Lending;
+
     auto const& tx = ctx.tx;
 
     // Special case for Batch inner transactions