Merge remote-tracking branch 'upstream/develop' into ximinez/lending-XLS-66

* upstream/develop:
  Add deep freeze feature (XLS-77d) (5187)
  Set version to 2.4.0-b3
  Set version to 2.3.1
  Update conan in the "nix" CI jobs
  Add RPC "simulate" to execute a dry run of a transaction (5069)
  Fix CI unit tests (5196)
  Set version to 2.3.1-rc1
  Reduce the peer charges for well-behaved peers:
  Update secp256k1 library to 0.6.0 (5254)

Author: ximinez

.github/workflows/macos.yml

@@ -56,13 +56,19 @@ jobs:
           else
               brew install cmake
           fi
+      - name: install nproc
+        run: |
+          brew install coreutils
       - name: check environment
         run: |
           env | sort
           echo ${PATH} | tr ':' '\n'
           python --version
           conan --version
           cmake --version
+          nproc --version
+          echo -n "nproc returns: "
+          nproc
       - name: configure Conan
         run : |
           conan profile new default --detect || true
@@ -81,6 +87,9 @@ jobs:
         with:
           generator: ${{ matrix.generator }}
           configuration: ${{ matrix.configuration }}
+          cmake-args: ${{ matrix.cmake-args }}
       - name: test
         run: |
-          ${build_dir}/rippled --unittest
+          n=$(nproc)
+          echo "Using $n test jobs"
+          ${build_dir}/rippled --unittest --unittest-jobs $n

.github/workflows/nix.yml

@@ -63,6 +63,9 @@ jobs:
     env:
       build_dir: .build
     steps:
+      - name: upgrade conan
+        run: |
+          pip install --upgrade "conan<2"
       - name: checkout
         uses: actions/checkout@v4
       - name: check environment
@@ -122,6 +125,9 @@ jobs:
     env:
       build_dir: .build
     steps:
+      - name: upgrade conan
+        run: |
+          pip install --upgrade "conan<2"
       - name: download cache
         uses: actions/download-artifact@v4
         with:
@@ -170,6 +176,9 @@ jobs:
     env:
       build_dir: .build
     steps:
+      - name: upgrade conan
+        run: |
+          pip install --upgrade "conan<2"
       - name: download cache
         uses: actions/download-artifact@v4
         with:
@@ -240,6 +249,9 @@ jobs:
       build_dir: .build
       configuration: Release
     steps:
+      - name: upgrade conan
+        run: |
+          pip install --upgrade "conan<2"
       - name: download cache
         uses: actions/download-artifact@v4
         with:

API-CHANGELOG.md

@@ -85,12 +85,14 @@ The `network_id` field was added in the `server_info` response in version 1.5.0
 
 ## XRP Ledger server version 2.4.0
 
-As of 2025-01-23, version 2.4.0 is in development. You can use a pre-release version by building from source or [using the `nightly` package](https://xrpl.org/docs/infrastructure/installation/install-rippled-on-ubuntu).
+As of 2025-01-28, version 2.4.0 is in development. You can use a pre-release version by building from source or [using the `nightly` package](https://xrpl.org/docs/infrastructure/installation/install-rippled-on-ubuntu).
 
 ### Additions and bugfixes in 2.4.0
 
 - `ledger_entry`: `state` is added an alias for `ripple_state`.
 - `validators`: Added new field `validator_list_threshold` in response.
+- `simulate`: A new RPC that executes a [dry run of a transaction submission](https://github.com/XRPLF/XRPL-Standards/tree/master/XLS-0069d-simulate#2-rpc-simulate)
+- Signing methods autofill fees better and properly handle transactions that don't have a base fee.
 
 ## XRP Ledger server version 2.3.0
 

Builds/levelization/results/ordering.txt

@@ -81,6 +81,7 @@ test.nodestore > xrpld.core
 test.nodestore > xrpld.nodestore
 test.nodestore > xrpld.unity
 test.overlay > test.jtx
+test.overlay > test.toplevel
 test.overlay > test.unit_test
 test.overlay > xrpl.basics
 test.overlay > xrpld.app

RELEASENOTES.md

@@ -6,6 +6,62 @@ This document contains the release notes for `rippled`, the reference server imp
 
 Have new ideas? Need help with setting up your node? [Please open an issue here](https://github.com/xrplf/rippled/issues/new/choose).
 
+# Version 2.3.1
+
+Version 2.3.1 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. 
+This is a hotfix release that includes the following updates:
+- Fix an erroneous high fee penalty that peers could incur for sending older transactions. 
+- Update to the fees charged for imposing a load on the server. 
+- Prevent the relaying of internal pseudo-transactions. 
+    - Before: Pseudo-transactions received from a peer will fail the signature check, even if they were requested (using TMGetObjectByHash) because they have no signature. This causes the peer to be charged for an invalid signature. 
+    - After: Pseudo-transactions, are put into the global cache (TransactionMaster) only. If the transaction is not part of a TMTransactions batch, the peer is charged an unwanted data fee. These fees will not be a problem in the normal course of operations but should dissuade peers from behaving badly by sending a bunch of junk.
+- Improved logging now specifies the reason for the fee charged to the peer.
+
+[Sign Up for Future Release Announcements](https://groups.google.com/g/ripple-server)
+
+<!-- BREAK -->
+
+## Action Required
+
+If you run an XRP Ledger validator, upgrade to version 2.3.1 as soon as possible to ensure stable and uninterrupted network behavior.
+
+## Changelog
+
+### Amendments and New Features
+
+- None
+
+### Bug Fixes and Performance Improvements
+
+- Change the charged fee for sending older transactions from feeInvalidSignature to feeUnwantedData. [#5243](https://github.com/XRPLF/rippled/pull/5243)
+
+### Docs and Build System
+
+- None
+
+### GitHub
+
+The public source code repository for `rippled` is hosted on GitHub at <https://github.com/XRPLF/rippled>.
+
+We welcome all contributions and invite everyone to join the community of XRP Ledger developers to help build the Internet of Value.
+
+
+## Credits
+
+The following people contributed directly to this release:
+
+Ed Hennis <[email protected]>
+JoelKatz <[email protected]>
+Sophia Xie <[email protected]>
+Valentin Balaschenko <[email protected]>
+
+
+Bug Bounties and Responsible Disclosures:
+
+We welcome reviews of the `rippled` code and urge researchers to responsibly disclose any issues they may find.
+
+To report a bug, please send a detailed report to: <[email protected]>
+
 # Version 2.3.0
 
 Version 2.3.0 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. This release includes 8 new amendments, including Multi-Purpose Tokens, Credentials, Clawback support for AMMs, and the ability to make offers as part of minting NFTs. Additionally, this release includes important fixes for stability, so server operators are encouraged to upgrade as soon as possible.