update actions/upload-artifact to v4

https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

.clang-format

@@ -45,9 +45,11 @@ DisableFormat:   false
 ExperimentalAutoDetectBinPacking: false
 ForEachMacros:   [ Q_FOREACH,  BOOST_FOREACH ]
 IncludeCategories:
-  - Regex:           '^<(BeastConfig)'
+  - Regex:           '^<(test)/'
     Priority:        0
-  - Regex:           '^<(ripple)/'
+  - Regex:           '^<(xrpld)/'
+    Priority:        1
+  - Regex:           '^<(xrpl)/'
     Priority:        2
   - Regex:           '^<(boost)/'
     Priority:        3
@@ -56,6 +58,7 @@ IncludeCategories:
 IncludeIsMainRegex: '$'
 IndentCaseLabels: true
 IndentFunctionDeclarationAfterType: false
+IndentRequiresClause: true
 IndentWidth:     4
 IndentWrappedFunctionNames: false
 KeepEmptyLinesAtTheStartOfBlocks: false
@@ -71,6 +74,7 @@ PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 200
 PointerAlignment: Left
 ReflowComments:  true
+RequiresClausePosition: OwnLine
 SortIncludes:    true
 SpaceAfterCStyleCast: false
 SpaceBeforeAssignmentOperators: true

.github/actions/xahau-ga-build/action.yml

@@ -88,6 +88,8 @@ runs:
           $CCACHE_ARGS \
           -DCMAKE_TOOLCHAIN_FILE:FILEPATH=build/generators/conan_toolchain.cmake \
           -DCMAKE_BUILD_TYPE=${{ inputs.configuration }}
+          -Dtests=TRUE \
+          -Dxrpld=TRUE
 
     - name: Build project
       shell: bash
@@ -105,4 +107,4 @@ runs:
       uses: actions/cache/save@v4
       with:
         path: ~/.ccache
-        key: ${{ steps.ccache-restore.outputs.cache-primary-key }}
+        key: ${{ steps.ccache-restore.outputs.cache-primary-key }}

.github/actions/xahau-ga-dependencies/action.yml

@@ -59,7 +59,7 @@ runs:
     - name: Export custom recipes
       shell: bash
       run: |
-        conan export external/snappy snappy/1.1.9@
+        conan export external/snappy snappy/1.1.10@
         conan export external/soci soci/4.0.3@
 
     - name: Install dependencies
@@ -74,6 +74,8 @@ runs:
           --output-folder . \
           --build missing \
           --settings build_type=${{ inputs.configuration }} \
+          -Dtests=TRUE \
+          -Dxrpld=TRUE \
           ..
 
     - name: Save Conan cache
@@ -83,4 +85,4 @@ runs:
         path: |
           ~/.conan
           ~/.conan2
-        key: ${{ steps.cache-restore-conan.outputs.cache-primary-key }}
+        key: ${{ steps.cache-restore-conan.outputs.cache-primary-key }}

.github/workflows/clang-format.yml

@@ -4,36 +4,23 @@ on: [push, pull_request]
 
 jobs:
   check:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     env:
-      CLANG_VERSION: 10
+      CLANG_VERSION: 18
     steps:
-    - uses: actions/checkout@v3
-    # - name: Install clang-format
-    #   run: |
-    #     codename=$( lsb_release --codename --short )
-    #     sudo tee /etc/apt/sources.list.d/llvm.list >/dev/null <<EOF
-    #     deb http://apt.llvm.org/${codename}/ llvm-toolchain-${codename}-${CLANG_VERSION} main
-    #     deb-src http://apt.llvm.org/${codename}/ llvm-toolchain-${codename}-${CLANG_VERSION} main
-    #     EOF
-    #     wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add
-    #     sudo apt-get update -y
-    #     sudo apt-get install -y clang-format-${CLANG_VERSION}
-
-    # Temporary fix until this commit is merged
-    # https://github.com/XRPLF/rippled/commit/552377c76f55b403a1c876df873a23d780fcc81c
-    - name: Download and install clang-format
+    - uses: actions/checkout@v4
+    - name: Install clang-format
       run: |
-        sudo apt-get update -y
-        sudo apt-get install -y libtinfo5
-        curl -LO https://github.com/llvm/llvm-project/releases/download/llvmorg-10.0.1/clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04.tar.xz
-        tar -xf clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04.tar.xz
-        sudo mv clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04 /opt/clang-10
-        sudo ln -s /opt/clang-10/bin/clang-format /usr/local/bin/clang-format-10
-    - name: Format src/ripple
-      run: find src/ripple -type f \( -name '*.cpp' -o -name '*.h' -o -name '*.ipp' \) -print0 | xargs -0 clang-format-${CLANG_VERSION} -i
-    - name: Format src/test
-      run: find src/test -type f \( -name '*.cpp' -o -name '*.h' -o -name '*.ipp' \) -print0 | xargs -0 clang-format-${CLANG_VERSION} -i
+        codename=$( lsb_release --codename --short )
+        sudo tee /etc/apt/sources.list.d/llvm.list >/dev/null <<EOF
+        deb http://apt.llvm.org/${codename}/ llvm-toolchain-${codename}-${CLANG_VERSION} main
+        deb-src http://apt.llvm.org/${codename}/ llvm-toolchain-${codename}-${CLANG_VERSION} main
+        EOF
+        wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add
+        sudo apt-get update
+        sudo apt-get install clang-format-${CLANG_VERSION}
+    - name: Format first-party sources
+      run: find include src -type f \( -name '*.cpp' -o -name '*.hpp' -o -name '*.h' -o -name '*.ipp' \) -not -path "src/magic/magic_enum.h" -exec clang-format-${CLANG_VERSION} -i {} +
     - name: Check for differences
       id: assert
       run: |
@@ -63,7 +50,7 @@ jobs:
           To fix it, you can do one of two things:
           1. Download and apply the patch generated as an artifact of this
              job to your repo, commit, and push.
-          2. Run 'git-clang-format --extensions c,cpp,h,cxx,ipp dev'
+          2. Run 'git-clang-format --extensions cpp,h,hpp,ipp develop'
              in your repo, commit, and push.
       run: |
         echo "${PREAMBLE}"

.github/workflows/xahau-ga-macos.yml

@@ -91,6 +91,7 @@ jobs:
         run: |
           conan profile new default --detect || true # Ignore error if profile exists
           conan profile update settings.compiler.cppstd=20 default
+          conan profile update 'conf.tools.build:cxxflags+=["-DBOOST_ASIO_DISABLE_CONCEPTS"]' default
 
       - name: Install dependencies
         uses: ./.github/actions/xahau-ga-dependencies
@@ -113,4 +114,4 @@ jobs:
 
       - name: Test
         run: |
-          ${{ env.build_dir }}/rippled --unittest --unittest-jobs $(nproc)
+          ${{ env.build_dir }}/rippled --unittest --unittest-jobs $(nproc)

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 # .pre-commit-config.yaml
 repos:
 - repo: https://github.com/pre-commit/mirrors-clang-format
-  rev: v10.0.1
+  rev: v18.1.3
   hooks:
   - id: clang-format

API-CHANGELOG.md

@@ -8,35 +8,98 @@ The API version controls the API behavior you see. This includes what properties
 
 For a log of breaking changes, see the **API Version [number]** headings. In general, breaking changes are associated with a particular API Version number. For non-breaking changes, scroll to the **XRP Ledger version [x.y.z]** headings. Non-breaking changes are associated with a particular XRP Ledger (`rippled`) release.
 
+## API Version 2
+
+API version 2 is available in `rippled` version 2.0.0 and later. To use this API, clients specify `"api_version" : 2` in each request.
+
+#### Removed methods
+
+In API version 2, the following deprecated methods are no longer available: (https://github.com/XRPLF/rippled/pull/4759)
+
+- `tx_history` - Instead, use other methods such as `account_tx` or `ledger` with the `transactions` field set to `true`.
+- `ledger_header` - Instead, use the `ledger` method.
+
+#### Modifications to JSON transaction element in V2
+
+In API version 2, JSON elements for transaction output have been changed and made consistent for all methods which output transactions. (https://github.com/XRPLF/rippled/pull/4775)
+This helps to unify the JSON serialization format of transactions. (https://github.com/XRPLF/clio/issues/722, https://github.com/XRPLF/rippled/issues/4727)
+
+- JSON transaction element is named `tx_json`
+- Binary transaction element is named `tx_blob`
+- JSON transaction metadata element is named `meta`
+- Binary transaction metadata element is named `meta_blob`
+
+Additionally, these elements are now consistently available next to `tx_json` (i.e. sibling elements), where possible:
+
+- `hash` - Transaction ID. This data was stored inside transaction output in API version 1, but in API version 2 is a sibling element.
+- `ledger_index` - Ledger index (only set on validated ledgers)
+- `ledger_hash` - Ledger hash (only set on closed or validated ledgers)
+- `close_time_iso` - Ledger close time expressed in ISO 8601 time format (only set on validated ledgers)
+- `validated` - Bool element set to `true` if the transaction is in a validated ledger, otherwise `false`
+
+This change affects the following methods:
+
+- `tx` - Transaction data moved into element `tx_json` (was inline inside `result`) or, if binary output was requested, moved from `tx` to `tx_blob`. Renamed binary transaction metadata element (if it was requested) from `meta` to `meta_blob`. Changed location of `hash` and added new elements
+- `account_tx` - Renamed transaction element from `tx` to `tx_json`. Renamed binary transaction metadata element (if it was requested) from `meta` to `meta_blob`. Changed location of `hash` and added new elements
+- `transaction_entry` - Renamed transaction metadata element from `metadata` to `meta`. Changed location of `hash` and added new elements
+- `subscribe` - Renamed transaction element from `transaction` to `tx_json`. Changed location of `hash` and added new elements
+- `sign`, `sign_for`, `submit` and `submit_multisigned` - Changed location of `hash` element.
+
+#### Modification to `Payment` transaction JSON schema
+
+When reading Payments, the `Amount` field should generally **not** be used. Instead, use [delivered_amount](https://xrpl.org/partial-payments.html#the-delivered_amount-field) to see the amount that the Payment delivered. To clarify its meaning, the `Amount` field is being renamed to `DeliverMax`. (https://github.com/XRPLF/rippled/pull/4733)
+
+- In `Payment` transaction type, JSON RPC field `Amount` is renamed to `DeliverMax`. To enable smooth client transition, `Amount` is still handled, as described below: (https://github.com/XRPLF/rippled/pull/4733)
+  - On JSON RPC input (e.g. `submit_multisigned` etc. methods), `Amount` is recognized as an alias to `DeliverMax` for both API version 1 and version 2 clients.
+  - On JSON RPC input, submitting both `Amount` and `DeliverMax` fields is allowed _only_ if they are identical; otherwise such input is rejected with `rpcINVALID_PARAMS` error.
+  - On JSON RPC output (e.g. `subscribe`, `account_tx` etc. methods), `DeliverMax` is present in both API version 1 and version 2.
+  - On JSON RPC output, `Amount` is only present in API version 1 and _not_ in version 2.
+
+#### Modifications to account_info response
+
+- `signer_lists` is returned in the root of the response. (In API version 1, it was nested under `account_data`.) (https://github.com/XRPLF/rippled/pull/3770)
+- When using an invalid `signer_lists` value, the API now returns an "invalidParams" error. (https://github.com/XRPLF/rippled/pull/4585)
+  - (`signer_lists` must be a boolean. In API version 1, strings were accepted and may return a normal response - i.e. as if `signer_lists` were `true`.)
+
+#### Modifications to [account_tx](https://xrpl.org/account_tx.html#account_tx) response
+
+- Using `ledger_index_min`, `ledger_index_max`, and `ledger_index` returns `invalidParams` because if you use `ledger_index_min` or `ledger_index_max`, then it does not make sense to also specify `ledger_index`. In API version 1, no error was returned. (https://github.com/XRPLF/rippled/pull/4571)
+  - The same applies for `ledger_index_min`, `ledger_index_max`, and `ledger_hash`. (https://github.com/XRPLF/rippled/issues/4545#issuecomment-1565065579)
+- Using a `ledger_index_min` or `ledger_index_max` beyond the range of ledgers that the server has:
+  - returns `lgrIdxMalformed` in API version 2. Previously, in API version 1, no error was returned. (https://github.com/XRPLF/rippled/issues/4288)
+- Attempting to use a non-boolean value (such as a string) for the `binary` or `forward` parameters returns `invalidParams` (`rpcINVALID_PARAMS`). Previously, in API version 1, no error was returned. (https://github.com/XRPLF/rippled/pull/4620)
+
+#### Modifications to [noripple_check](https://xrpl.org/noripple_check.html#noripple_check) response
+
+- Attempting to use a non-boolean value (such as a string) for the `transactions` parameter returns `invalidParams` (`rpcINVALID_PARAMS`). Previously, in API version 1, no error was returned. (https://github.com/XRPLF/rippled/pull/4620)
+
 ## API Version 1
 
-This version is supported by all `rippled` versions. At time of writing, it is the default API version, used when no `api_version` is specified. When a new API version is introduced, the command line interface will default to the latest API version. The command line is intended for ad-hoc usage by humans, not programs or automated scripts. The command line is not meant for use in production code.
+This version is supported by all `rippled` versions. For WebSocket and HTTP JSON-RPC requests, it is currently the default API version used when no `api_version` is specified.
 
-### Idiosyncrasies
+The [commandline](https://xrpl.org/docs/references/http-websocket-apis/api-conventions/request-formatting/#commandline-format) always uses the latest API version. The command line is intended for ad-hoc usage by humans, not programs or automated scripts. The command line is not meant for use in production code.
 
-#### V1 account_info response
+### Inconsistency: server_info - network_id
 
-In [the response to the `account_info` command](https://xrpl.org/account_info.html#response-format), there is `account_data` - which is supposed to be an `AccountRoot` object - and `signer_lists` is returned in this object. However, the docs say that `signer_lists` should be at the root level of the reponse.
+The `network_id` field was added in the `server_info` response in version 1.5.0 (2019), but it is not returned in [reporting mode](https://xrpl.org/rippled-server-modes.html#reporting-mode). However, use of reporting mode is now discouraged, in favor of using [Clio](https://github.com/XRPLF/clio) instead.
 
-It makes sense for `signer_lists` to be at the root level because signer lists are not part of the AccountRoot object. (First reported in [xrpl-dev-portal#938](https://github.com/XRPLF/xrpl-dev-portal/issues/938).)
+## XRP Ledger server version 2.2.0
 
-In `api_version: 2`, the `signer_lists` field [will be moved](#modifications-to-account_info-response-in-v2) to the root level of the account_info response. (https://github.com/XRPLF/rippled/pull/3770)
+The following is a non-breaking addition to the API.
 
-#### server_info - network_id
+- The `feature` method now has a non-admin mode for users. (It was previously only available to admin connections.) The method returns an updated list of amendments, including their names and other information. ([#4781](https://github.com/XRPLF/rippled/pull/4781))
 
-The `network_id` field was added in the `server_info` response in version 1.5.0 (2019), but it is not returned in [reporting mode](https://xrpl.org/rippled-server-modes.html#reporting-mode).
+### Breaking change in 2.3
 
-## XRP Ledger server version 2.0.0
+- `book_changes`: If the requested ledger version is not available on this node, a `ledgerNotFound` error is returned and the node does not attempt to acquire the ledger from the p2p network (as with other non-admin RPCs).
 
-### Additions in 2.2
+Admins can still attempt to retrieve old ledgers with the `ledger_request` RPC.
 
-Additions are intended to be non-breaking (because they are purely additive).
+### Addition in 2.3
 
-- `feature`: A non-admin mode that uses the same formatting as admin RPC, but hides potentially-sensitive data.
+- `book_changes`: Returns a `validated` field in its response, which was missing in prior versions.
 
-### Additions in 2.0
-
-Additions are intended to be non-breaking (because they are purely additive).
+The following additions are non-breaking (because they are purely additive).
 
 - `server_definitions`: A new RPC that generates a `definitions.json`-like output that can be used in XRPL libraries.
 - In `Payment` transactions, `DeliverMax` has been added. This is a replacement for the `Amount` field, which should not be used. Typically, the `delivered_amount` (in transaction metadata) should be used. To ease the transition, `DeliverMax` is present regardless of API version, since adding a field is non-breaking.
@@ -44,11 +107,7 @@ Additions are intended to be non-breaking (because they are purely additive).
 
 ## XRP Ledger server version 1.12.0
 
-[Version 1.12.0](https://github.com/XRPLF/rippled/releases/tag/1.12.0) was released on Sep 6, 2023.
-
-### Additions in 1.12
-
-Additions are intended to be non-breaking (because they are purely additive).
+[Version 1.12.0](https://github.com/XRPLF/rippled/releases/tag/1.12.0) was released on Sep 6, 2023. The following additions are non-breaking (because they are purely additive).
 
 - `server_info`: Added `ports`, an array which advertises the RPC and WebSocket ports. This information is also included in the `/crawl` endpoint (which calls `server_info` internally). `grpc` and `peer` ports are also included. (https://github.com/XRPLF/rippled/pull/4427)
   - `ports` contains objects, each containing a `port` for the listening port (a number string), and a `protocol` array listing the supported protocols on that port.
@@ -125,71 +184,6 @@ was released on Mar 14, 2023.
   removed from the [ledger subscription stream](https://xrpl.org/subscribe.html#ledger-stream), because it will no longer
   have any meaning.
 
-## API Version 2
-
-API version 2 is introduced in `rippled` version 2.0. Users can request it explicitly by specifying `"api_version" : 2`.
-
-#### Removed methods
-
-In API version 2, the following deprecated methods are no longer available: (https://github.com/XRPLF/rippled/pull/4759)
-
-- `tx_history` - Instead, use other methods such as `account_tx` or `ledger` with the `transactions` field set to `true`.
-- `ledger_header` - Instead, use the `ledger` method.
-
-#### Modifications to JSON transaction element in V2
-
-In API version 2, JSON elements for transaction output have been changed and made consistent for all methods which output transactions. (https://github.com/XRPLF/rippled/pull/4775)
-This helps to unify the JSON serialization format of transactions. (https://github.com/XRPLF/clio/issues/722, https://github.com/XRPLF/rippled/issues/4727)
-
-- JSON transaction element is named `tx_json`
-- Binary transaction element is named `tx_blob`
-- JSON transaction metadata element is named `meta`
-- Binary transaction metadata element is named `meta_blob`
-
-Additionally, these elements are now consistently available next to `tx_json` (i.e. sibling elements), where possible:
-
-- `hash` - Transaction ID. This data was stored inside transaction output in API version 1, but in API version 2 is a sibling element.
-- `ledger_index` - Ledger index (only set on validated ledgers)
-- `ledger_hash` - Ledger hash (only set on closed or validated ledgers)
-- `close_time_iso` - Ledger close time expressed in ISO 8601 time format (only set on validated ledgers)
-- `validated` - Bool element set to `true` if the transaction is in a validated ledger, otherwise `false`
-
-This change affects the following methods:
-
-- `tx` - Transaction data moved into element `tx_json` (was inline inside `result`) or, if binary output was requested, moved from `tx` to `tx_blob`. Renamed binary transaction metadata element (if it was requested) from `meta` to `meta_blob`. Changed location of `hash` and added new elements
-- `account_tx` - Renamed transaction element from `tx` to `tx_json`. Renamed binary transaction metadata element (if it was requested) from `meta` to `meta_blob`. Changed location of `hash` and added new elements
-- `transaction_entry` - Renamed transaction metadata element from `metadata` to `meta`. Changed location of `hash` and added new elements
-- `subscribe` - Renamed transaction element from `transaction` to `tx_json`. Changed location of `hash` and added new elements
-- `sign`, `sign_for`, `submit` and `submit_multisigned` - Changed location of `hash` element.
-
-#### Modification to `Payment` transaction JSON schema
-
-When reading Payments, the `Amount` field should generally **not** be used. Instead, use [delivered_amount](https://xrpl.org/partial-payments.html#the-delivered_amount-field) to see the amount that the Payment delivered. To clarify its meaning, the `Amount` field is being renamed to `DeliverMax`. (https://github.com/XRPLF/rippled/pull/4733)
-
-- In `Payment` transaction type, JSON RPC field `Amount` is renamed to `DeliverMax`. To enable smooth client transition, `Amount` is still handled, as described below: (https://github.com/XRPLF/rippled/pull/4733)
-  - On JSON RPC input (e.g. `submit_multisigned` etc. methods), `Amount` is recognized as an alias to `DeliverMax` for both API version 1 and version 2 clients.
-  - On JSON RPC input, submitting both `Amount` and `DeliverMax` fields is allowed _only_ if they are identical; otherwise such input is rejected with `rpcINVALID_PARAMS` error.
-  - On JSON RPC output (e.g. `subscribe`, `account_tx` etc. methods), `DeliverMax` is present in both API version 1 and version 2.
-  - On JSON RPC output, `Amount` is only present in API version 1 and _not_ in version 2.
-
-#### Modifications to account_info response
-
-- `signer_lists` is returned in the root of the response. In API version 1, it was nested under `account_data`. (https://github.com/XRPLF/rippled/pull/3770)
-- When using an invalid `signer_lists` value, the API now returns an "invalidParams" error. (https://github.com/XRPLF/rippled/pull/4585)
-  - (`signer_lists` must be a boolean. In API version 1, strings were accepted and may return a normal response - i.e. as if `signer_lists` were `true`.)
-
-#### Modifications to [account_tx](https://xrpl.org/account_tx.html#account_tx) response
-
-- Using `ledger_index_min`, `ledger_index_max`, and `ledger_index` returns `invalidParams` because if you use `ledger_index_min` or `ledger_index_max`, then it does not make sense to also specify `ledger_index`. In API version 1, no error was returned. (https://github.com/XRPLF/rippled/pull/4571)
-  - The same applies for `ledger_index_min`, `ledger_index_max`, and `ledger_hash`. (https://github.com/XRPLF/rippled/issues/4545#issuecomment-1565065579)
-- Using a `ledger_index_min` or `ledger_index_max` beyond the range of ledgers that the server has:
-  - returns `lgrIdxMalformed` in API version 2. Previously, in API version 1, no error was returned. (https://github.com/XRPLF/rippled/issues/4288)
-- Attempting to use a non-boolean value (such as a string) for the `binary` or `forward` parameters returns `invalidParams` (`rpcINVALID_PARAMS`). Previously, in API version 1, no error was returned. (https://github.com/XRPLF/rippled/pull/4620)
-
-#### Modifications to [noripple_check](https://xrpl.org/noripple_check.html#noripple_check) response
-
-- Attempting to use a non-boolean value (such as a string) for the `transactions` parameter returns `invalidParams` (`rpcINVALID_PARAMS`). Previously, in API version 1, no error was returned. (https://github.com/XRPLF/rippled/pull/4620)
-
 # Unit tests for API changes
 
 The following information is useful to developers contributing to this project:

BUILD.md

@@ -36,9 +36,15 @@ See [System Requirements](https://xrpl.org/system-requirements.html).
 Building rippled generally requires git, Python, Conan, CMake, and a C++ compiler. Some guidance on setting up such a [C++ development environment can be found here](./docs/build/environment.md).
 
 - [Python 3.7](https://www.python.org/downloads/)
-- [Conan 1.55](https://conan.io/downloads.html)
+- [Conan 1.60](https://conan.io/downloads.html)[^1]
 - [CMake 3.16](https://cmake.org/download/)
 
+[^1]: It is possible to build with Conan 2.x,
+but the instructions are significantly different,
+which is why we are not recommending it yet.
+Notably, the `conan profile update` command is removed in 2.x.
+Profiles must be edited by hand.
+
 `rippled` is written in the C++20 dialect and includes the `<concepts>` header.
 The [minimum compiler versions][2] required are:
 
@@ -67,9 +73,6 @@ Here are [sample instructions for setting up a C++ development environment on ma
 Windows is not recommended for production use at this time.
 
 - Additionally, 32-bit Windows development is not supported.
-- Visual Studio 2022 is not yet supported.
-  - rippled generally requires [Boost][] 1.77, which Conan cannot build with VS 2022.
-  - Until rippled is updated for compatibility with later versions of Boost, Windows developers may need to use Visual Studio 2019.
 
 [Boost]: https://www.boost.org/
 
@@ -95,6 +98,12 @@ Update the compiler settings:
    conan profile update settings.compiler.cppstd=20 default
    ```
 
+Configure Conan (1.x only) to use recipe revisions:
+
+   ```
+   conan config set general.revisions_enabled=1
+   ```
+
 **Linux** developers will commonly have a default Conan [profile][] that compiles
 with GCC and links with libstdc++.
 If you are linking with libstdc++ (see profile setting `compiler.libcxx`),
@@ -104,6 +113,20 @@ then you will need to choose the `libstdc++11` ABI:
    conan profile update settings.compiler.libcxx=libstdc++11 default
    ```
 
+
+Ensure inter-operability between `boost::string_view` and `std::string_view` types:
+
+```
+conan profile update 'conf.tools.build:cxxflags+=["-DBOOST_BEAST_USE_STD_STRING_VIEW"]' default
+conan profile update 'env.CXXFLAGS="-DBOOST_BEAST_USE_STD_STRING_VIEW"' default
+```
+
+If you have other flags in the `conf.tools.build` or `env.CXXFLAGS` sections, make sure to retain the existing flags and append the new ones. You can check them with:
+```
+conan profile show default
+```
+
+
 **Windows** developers may need to use the x64 native build tools.
 An easy way to do that is to run the shortcut "x64 Native Tools Command
 Prompt" for the version of Visual Studio that you have installed.
@@ -144,21 +167,41 @@ It does not explicitly link the C++ standard library,
 which allows you to statically link it with GCC, if you want.
 
    ```
-   conan export external/snappy snappy/1.1.9@
+   # Conan 1.x
+   conan export external/snappy snappy/1.1.10@
+   # Conan 2.x
+   conan export --version 1.1.10 external/snappy
    ```
 
 Export our [Conan recipe for RocksDB](./external/rocksdb).
 It does not override paths to dependencies when building with Visual Studio.
 
    ```
+   # Conan 1.x
    conan export external/rocksdb rocksdb/6.29.5@
+   # Conan 2.x
+   conan export --version 6.29.5 external/rocksdb
    ```
 
 Export our [Conan recipe for SOCI](./external/soci).
 It patches their CMake to correctly import its dependencies.
 
    ```
+   # Conan 1.x
    conan export external/soci soci/4.0.3@
+   # Conan 2.x
+   conan export --version 4.0.3 external/soci
+   ```
+
+Export our [Conan recipe for NuDB](./external/nudb).
+It fixes some source files to add missing `#include`s.
+
+
+   ```
+   # Conan 1.x
+   conan export external/nudb nudb/2.0.8@
+   # Conan 2.x
+   conan export --version 2.0.8 external/nudb
    ```
 
 ### Build and Test
@@ -196,13 +239,13 @@ It patches their CMake to correctly import its dependencies.
     generated by the first. You can pass the build type on the command line with
     `--settings build_type=$BUILD_TYPE` or in the profile itself,
     under the section `[settings]` with the key `build_type`.
-    
+
     If you are using a Microsoft Visual C++ compiler,
     then you will need to ensure consistency between the `build_type` setting
     and the `compiler.runtime` setting.
-    
+
     When `build_type` is `Release`, `compiler.runtime` should be `MT`.
-    
+
     When `build_type` is `Debug`, `compiler.runtime` should be `MTd`.
 
     ```
@@ -214,9 +257,9 @@ It patches their CMake to correctly import its dependencies.
    `$OUTPUT_FOLDER/build/generators/conan_toolchain.cmake`.
 
     Single-config generators:
-    
+
     ```
-    cmake -DCMAKE_TOOLCHAIN_FILE:FILEPATH=build/generators/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Release ..
+    cmake -DCMAKE_TOOLCHAIN_FILE:FILEPATH=build/generators/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Release -Dxrpld=ON -Dtests=ON ..
     ```
 
     Pass the CMake variable [`CMAKE_BUILD_TYPE`][build_type]
@@ -226,7 +269,7 @@ It patches their CMake to correctly import its dependencies.
     Multi-config generators:
 
     ```
-    cmake -DCMAKE_TOOLCHAIN_FILE:FILEPATH=build/generators/conan_toolchain.cmake ..
+    cmake -DCMAKE_TOOLCHAIN_FILE:FILEPATH=build/generators/conan_toolchain.cmake -Dxrpld=ON -Dtests=ON  ..
     ```
 
     **Note:** You can pass build options for `rippled` in this step.
@@ -244,7 +287,7 @@ It patches their CMake to correctly import its dependencies.
    ```
 
    Multi-config generators:
-    
+
    ```
    cmake --build . --config Release
    cmake --build . --config Debug
@@ -301,7 +344,7 @@ to select only specific tests for the purpose of the coverage report, by setting
 the `coverage_test` variable in `cmake`
 
 The default coverage report format is `html-details`, but the user
-can override it to any of the formats listed in `Builds/CMake/CodeCoverage.cmake`
+can override it to any of the formats listed in `cmake/CodeCoverage.cmake`
 by setting the `coverage_format` variable in `cmake`. It is also possible
 to generate more than one format at a time by setting the `coverage_extra_args`
 variable in `cmake`. The specific command line used to run the `gcovr` tool will be
@@ -317,7 +360,7 @@ Example use with some cmake variables set:
 ```
 cd .build
 conan install .. --output-folder . --build missing --settings build_type=Debug
-cmake -DCMAKE_BUILD_TYPE=Debug -Dcoverage=ON -Dcoverage_test_parallelism=2 -Dcoverage_format=html-details -Dcoverage_extra_args="--json coverage.json" -DCMAKE_TOOLCHAIN_FILE:FILEPATH=build/generators/conan_toolchain.cmake ..
+cmake -DCMAKE_BUILD_TYPE=Debug -Dcoverage=ON -Dxrpld=ON -Dtests=ON -Dcoverage_test_parallelism=2 -Dcoverage_format=html-details -Dcoverage_extra_args="--json coverage.json" -DCMAKE_TOOLCHAIN_FILE:FILEPATH=build/generators/conan_toolchain.cmake ..
 cmake --build . --target coverage
 ```
 
@@ -333,11 +376,11 @@ stored inside the build directory, as either of:
 | Option | Default Value | Description |
 | --- | ---| ---|
 | `assert` | OFF | Enable assertions.
-| `reporting` | OFF | Build the reporting mode feature. |
 | `coverage` | OFF | Prepare the coverage report. |
-| `tests` | ON | Build tests. |
-| `unity` | ON | Configure a unity build. |
 | `san` | N/A | Enable a sanitizer with Clang. Choices are `thread` and `address`. |
+| `tests` | OFF | Build tests. |
+| `unity` | ON | Configure a unity build. |
+| `xrpld` | OFF | Build the xrpld (`rippled`) application, and not just the libxrpl library. |
 
 [Unity builds][5] may be faster for the first build
 (at the cost of much more memory) since they concatenate sources into fewer
@@ -373,6 +416,18 @@ conan profile update 'conf.tools.build:cxxflags+=["-DBOOST_ASIO_HAS_STD_INVOKE_R
 ```
 
 
+### call to 'async_teardown' is ambiguous
+
+If you are compiling with an early version of Clang 16, then you might hit
+a [regression][6] when compiling C++20 that manifests as an [error in a Boost
+header][7]. You can workaround it by adding this preprocessor definition:
+
+```
+conan profile update 'env.CXXFLAGS="-DBOOST_ASIO_DISABLE_CONCEPTS"' default
+conan profile update 'conf.tools.build:cxxflags+=["-DBOOST_ASIO_DISABLE_CONCEPTS"]' default
+```
+
+
 ### recompile with -fPIC
 
 If you get a linker error suggesting that you recompile Boost with
@@ -537,3 +592,4 @@ but it is more convenient to put them in a [profile][profile].
 [search]: https://cmake.org/cmake/help/latest/command/find_package.html#search-procedure
 [prefix_path]: https://cmake.org/cmake/help/latest/variable/CMAKE_PREFIX_PATH.html
 [profile]: https://docs.conan.io/en/latest/reference/profiles.html
+

Builds/CMake/RippledMultiConfig.cmake

@@ -1,39 +0,0 @@
-#[===================================================================[
-   multiconfig misc
-#]===================================================================]
-
-if (is_multiconfig)
-  # This code finds all source files in the src subdirectory for inclusion
-  # in the IDE file tree as non-compiled sources. Since this file list will
-  # have some overlap with files we have already added to our targets to
-  # be compiled, we explicitly remove any of these target source files from
-  # this list.
-  file (GLOB_RECURSE all_sources RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
-    CONFIGURE_DEPENDS
-    src/*.* Builds/*.md docs/*.md src/*.md Builds/*.cmake)
-  file(GLOB md_files RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} CONFIGURE_DEPENDS
-    *.md)
-  LIST(APPEND all_sources ${md_files})
-  foreach (_target secp256k1::secp256k1 ed25519::ed25519 xrpl_core rippled)
-    get_target_property (_type ${_target} TYPE)
-    if(_type STREQUAL "INTERFACE_LIBRARY")
-      continue()
-    endif()
-    get_target_property (_src ${_target} SOURCES)
-    list (REMOVE_ITEM all_sources ${_src})
-  endforeach ()
-  target_sources (rippled PRIVATE ${all_sources})
-  set_property (
-    SOURCE ${all_sources}
-    APPEND
-    PROPERTY HEADER_FILE_ONLY true)
-  if (MSVC)
-    set_property(
-      DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-      PROPERTY VS_STARTUP_PROJECT rippled)
-  endif ()
-
-  group_sources(src)
-  group_sources(docs)
-  group_sources(Builds)
-endif ()

Builds/CMake/RippledVersion.cmake

@@ -1,15 +0,0 @@
-#[===================================================================[
-   read version from source
-#]===================================================================]
-
-file (STRINGS src/ripple/protocol/impl/BuildInfo.cpp BUILD_INFO)
-foreach (line_ ${BUILD_INFO})
-  if (line_ MATCHES "versionString[ ]*=[ ]*\"(.+)\"")
-    set (rippled_version ${CMAKE_MATCH_1})
-  endif ()
-endforeach ()
-if (rippled_version)
-  message (STATUS "rippled version: ${rippled_version}")
-else ()
-  message (FATAL_ERROR "unable to determine rippled version")
-endif ()

Builds/levelization/levelization.sh

@@ -13,12 +13,15 @@ then
   git clean -ix
 fi
 
+# Ensure all sorting is ASCII-order consistently across platforms.
+export LANG=C
+
 rm -rfv results
 mkdir results
 includes="$( pwd )/results/rawincludes.txt"
 pushd ../..
 echo Raw includes:
-grep -r '#include.*/.*\.h' src/ripple/ src/test/ | \
+grep -r '#include.*/.*\.h' include src | \
     grep -v boost | tee ${includes}
 popd
 pushd results

Builds/levelization/results/loops.txt

@@ -1,54 +1,3 @@
-Loop: ripple.app ripple.core
-  ripple.app > ripple.core
-
-Loop: ripple.app ripple.ledger
-  ripple.app > ripple.ledger
-
-Loop: ripple.app ripple.net
-  ripple.app > ripple.net
-
-Loop: ripple.app ripple.nodestore
-  ripple.app > ripple.nodestore
-
-Loop: ripple.app ripple.overlay
-  ripple.overlay ~= ripple.app
-
-Loop: ripple.app ripple.peerfinder
-  ripple.app > ripple.peerfinder
-
-Loop: ripple.app ripple.protocol
-  ripple.app > ripple.protocol
-
-Loop: ripple.app ripple.rpc
-  ripple.rpc > ripple.app
-
-Loop: ripple.app ripple.shamap
-  ripple.app > ripple.shamap
-
-Loop: ripple.basics ripple.core
-  ripple.core > ripple.basics
-
-Loop: ripple.basics ripple.json
-  ripple.json ~= ripple.basics
-
-Loop: ripple.basics ripple.protocol
-  ripple.protocol > ripple.basics
-
-Loop: ripple.core ripple.net
-  ripple.net > ripple.core
-
-Loop: ripple.ledger ripple.protocol
-  ripple.ledger > ripple.protocol
-
-Loop: ripple.net ripple.rpc
-  ripple.rpc > ripple.net
-
-Loop: ripple.nodestore ripple.overlay
-  ripple.overlay ~= ripple.nodestore
-
-Loop: ripple.overlay ripple.rpc
-  ripple.rpc ~= ripple.overlay
-
 Loop: test.app test.jtx
   test.app > test.jtx
 
@@ -61,3 +10,48 @@ Loop: test.jtx test.toplevel
 Loop: test.jtx test.unit_test
   test.unit_test == test.jtx
 
+Loop: xrpl.basics xrpl.json
+  xrpl.json == xrpl.basics
+
+Loop: xrpl.protocol xrpld.app
+  xrpld.app > xrpl.protocol
+
+Loop: xrpld.app xrpld.core
+  xrpld.app > xrpld.core
+
+Loop: xrpld.app xrpld.ledger
+  xrpld.app > xrpld.ledger
+
+Loop: xrpld.app xrpld.net
+  xrpld.app > xrpld.net
+
+Loop: xrpld.app xrpld.nodestore
+  xrpld.app > xrpld.nodestore
+
+Loop: xrpld.app xrpld.overlay
+  xrpld.overlay ~= xrpld.app
+
+Loop: xrpld.app xrpld.peerfinder
+  xrpld.app > xrpld.peerfinder
+
+Loop: xrpld.app xrpld.rpc
+  xrpld.rpc > xrpld.app
+
+Loop: xrpld.app xrpld.shamap
+  xrpld.app > xrpld.shamap
+
+Loop: xrpld.core xrpld.net
+  xrpld.net > xrpld.core
+
+Loop: xrpld.core xrpld.perflog
+  xrpld.perflog == xrpld.core
+
+Loop: xrpld.net xrpld.rpc
+  xrpld.rpc > xrpld.net
+
+Loop: xrpld.overlay xrpld.rpc
+  xrpld.rpc ~= xrpld.overlay
+
+Loop: xrpld.perflog xrpld.rpc
+  xrpld.rpc ~= xrpld.perflog
+

Builds/levelization/results/ordering.txt

@@ -1,227 +1,200 @@
-ripple.app > ripple.basics
-ripple.app > ripple.beast
-ripple.app > ripple.conditions
-ripple.app > ripple.consensus
-ripple.app > ripple.crypto
-ripple.app > ripple.json
-ripple.app > ripple.resource
-ripple.app > test.unit_test
-ripple.basics > ripple.beast
-ripple.conditions > ripple.basics
-ripple.conditions > ripple.protocol
-ripple.consensus > ripple.basics
-ripple.consensus > ripple.beast
-ripple.consensus > ripple.json
-ripple.consensus > ripple.protocol
-ripple.core > ripple.beast
-ripple.core > ripple.json
-ripple.core > ripple.protocol
-ripple.crypto > ripple.basics
-ripple.json > ripple.beast
-ripple.ledger > ripple.basics
-ripple.ledger > ripple.beast
-ripple.ledger > ripple.core
-ripple.ledger > ripple.json
-ripple.net > ripple.basics
-ripple.net > ripple.beast
-ripple.net > ripple.json
-ripple.net > ripple.protocol
-ripple.net > ripple.resource
-ripple.nodestore > ripple.basics
-ripple.nodestore > ripple.beast
-ripple.nodestore > ripple.core
-ripple.nodestore > ripple.json
-ripple.nodestore > ripple.protocol
-ripple.nodestore > ripple.unity
-ripple.overlay > ripple.basics
-ripple.overlay > ripple.beast
-ripple.overlay > ripple.core
-ripple.overlay > ripple.json
-ripple.overlay > ripple.peerfinder
-ripple.overlay > ripple.protocol
-ripple.overlay > ripple.resource
-ripple.overlay > ripple.server
-ripple.peerfinder > ripple.basics
-ripple.peerfinder > ripple.beast
-ripple.peerfinder > ripple.core
-ripple.peerfinder > ripple.protocol
-ripple.perflog > ripple.basics
-ripple.perflog > ripple.beast
-ripple.perflog > ripple.core
-ripple.perflog > ripple.json
-ripple.perflog > ripple.nodestore
-ripple.perflog > ripple.protocol
-ripple.perflog > ripple.rpc
-ripple.protocol > ripple.beast
-ripple.protocol > ripple.crypto
-ripple.protocol > ripple.json
-ripple.resource > ripple.basics
-ripple.resource > ripple.beast
-ripple.resource > ripple.json
-ripple.resource > ripple.protocol
-ripple.rpc > ripple.basics
-ripple.rpc > ripple.beast
-ripple.rpc > ripple.core
-ripple.rpc > ripple.crypto
-ripple.rpc > ripple.json
-ripple.rpc > ripple.ledger
-ripple.rpc > ripple.nodestore
-ripple.rpc > ripple.protocol
-ripple.rpc > ripple.resource
-ripple.rpc > ripple.server
-ripple.rpc > ripple.shamap
-ripple.server > ripple.basics
-ripple.server > ripple.beast
-ripple.server > ripple.crypto
-ripple.server > ripple.json
-ripple.server > ripple.protocol
-ripple.shamap > ripple.basics
-ripple.shamap > ripple.beast
-ripple.shamap > ripple.crypto
-ripple.shamap > ripple.nodestore
-ripple.shamap > ripple.protocol
-test.app > ripple.app
-test.app > ripple.basics
-test.app > ripple.beast
-test.app > ripple.core
-test.app > ripple.json
-test.app > ripple.ledger
-test.app > ripple.overlay
-test.app > ripple.protocol
-test.app > ripple.resource
-test.app > ripple.rpc
+libxrpl.basics > xrpl.basics
+libxrpl.basics > xrpl.protocol
+libxrpl.crypto > xrpl.basics
+libxrpl.json > xrpl.basics
+libxrpl.json > xrpl.json
+libxrpl.protocol > xrpl.basics
+libxrpl.protocol > xrpl.hook
+libxrpl.protocol > xrpl.json
+libxrpl.protocol > xrpl.protocol
+libxrpl.resource > xrpl.basics
+libxrpl.resource > xrpl.resource
+libxrpl.server > xrpl.basics
+libxrpl.server > xrpl.json
+libxrpl.server > xrpl.protocol
+libxrpl.server > xrpl.server
 test.app > test.toplevel
 test.app > test.unit_test
-test.basics > ripple.basics
-test.basics > ripple.beast
-test.basics > ripple.json
-test.basics > ripple.protocol
-test.basics > ripple.rpc
+test.app > xrpl.basics
+test.app > xrpld.app
+test.app > xrpld.core
+test.app > xrpld.ledger
+test.app > xrpld.overlay
+test.app > xrpld.rpc
+test.app > xrpl.hook
+test.app > xrpl.json
+test.app > xrpl.protocol
+test.app > xrpl.resource
 test.basics > test.jtx
 test.basics > test.unit_test
-test.beast > ripple.basics
-test.beast > ripple.beast
-test.conditions > ripple.basics
-test.conditions > ripple.beast
-test.conditions > ripple.conditions
-test.consensus > ripple.app
-test.consensus > ripple.basics
-test.consensus > ripple.beast
-test.consensus > ripple.consensus
-test.consensus > ripple.core
-test.consensus > ripple.ledger
-test.consensus > ripple.protocol
+test.basics > xrpl.basics
+test.basics > xrpld.perflog
+test.basics > xrpld.rpc
+test.basics > xrpl.json
+test.basics > xrpl.protocol
+test.beast > xrpl.basics
+test.conditions > xrpl.basics
+test.conditions > xrpld.conditions
 test.consensus > test.csf
 test.consensus > test.toplevel
 test.consensus > test.unit_test
-test.core > ripple.basics
-test.core > ripple.beast
-test.core > ripple.core
-test.core > ripple.crypto
-test.core > ripple.json
-test.core > ripple.server
+test.consensus > xrpl.basics
+test.consensus > xrpld.app
+test.consensus > xrpld.consensus
+test.consensus > xrpld.core
+test.consensus > xrpld.ledger
+test.consensus > xrpl.protocol
 test.core > test.jtx
 test.core > test.toplevel
 test.core > test.unit_test
-test.csf > ripple.basics
-test.csf > ripple.beast
-test.csf > ripple.consensus
-test.csf > ripple.json
-test.csf > ripple.protocol
-test.json > ripple.beast
-test.json > ripple.json
+test.core > xrpl.basics
+test.core > xrpld.core
+test.core > xrpld.perflog
+test.core > xrpl.json
+test.core > xrpl.server
+test.csf > xrpl.basics
+test.csf > xrpld.consensus
+test.csf > xrpl.json
+test.csf > xrpl.protocol
 test.json > test.jtx
-test.jtx > ripple.app
-test.jtx > ripple.basics
-test.jtx > ripple.beast
-test.jtx > ripple.consensus
-test.jtx > ripple.core
-test.jtx > ripple.json
-test.jtx > ripple.ledger
-test.jtx > ripple.net
-test.jtx > ripple.protocol
-test.jtx > ripple.resource
-test.jtx > ripple.rpc
-test.jtx > ripple.server
-test.ledger > ripple.app
-test.ledger > ripple.basics
-test.ledger > ripple.beast
-test.ledger > ripple.core
-test.ledger > ripple.ledger
-test.ledger > ripple.protocol
+test.json > xrpl.json
+test.jtx > xrpl.basics
+test.jtx > xrpld.app
+test.jtx > xrpld.consensus
+test.jtx > xrpld.core
+test.jtx > xrpld.ledger
+test.jtx > xrpld.net
+test.jtx > xrpld.rpc
+test.jtx > xrpl.hook
+test.jtx > xrpl.json
+test.jtx > xrpl.protocol
+test.jtx > xrpl.resource
+test.jtx > xrpl.server
 test.ledger > test.jtx
 test.ledger > test.toplevel
-test.net > ripple.net
-test.net > test.jtx
-test.net > test.toplevel
-test.net > test.unit_test
-test.nodestore > ripple.app
-test.nodestore > ripple.basics
-test.nodestore > ripple.beast
-test.nodestore > ripple.core
-test.nodestore > ripple.nodestore
-test.nodestore > ripple.protocol
-test.nodestore > ripple.unity
+test.ledger > xrpl.basics
+test.ledger > xrpld.app
+test.ledger > xrpld.core
+test.ledger > xrpld.ledger
+test.ledger > xrpl.protocol
 test.nodestore > test.jtx
 test.nodestore > test.toplevel
 test.nodestore > test.unit_test
-test.overlay > ripple.app
-test.overlay > ripple.basics
-test.overlay > ripple.beast
-test.overlay > ripple.overlay
-test.overlay > ripple.peerfinder
-test.overlay > ripple.protocol
-test.overlay > ripple.shamap
+test.nodestore > xrpl.basics
+test.nodestore > xrpld.core
+test.nodestore > xrpld.nodestore
+test.nodestore > xrpld.unity
 test.overlay > test.jtx
 test.overlay > test.unit_test
-test.peerfinder > ripple.basics
-test.peerfinder > ripple.beast
-test.peerfinder > ripple.core
-test.peerfinder > ripple.peerfinder
-test.peerfinder > ripple.protocol
+test.overlay > xrpl.basics
+test.overlay > xrpld.app
+test.overlay > xrpld.overlay
+test.overlay > xrpld.peerfinder
+test.overlay > xrpld.shamap
+test.overlay > xrpl.protocol
 test.peerfinder > test.beast
 test.peerfinder > test.unit_test
-test.protocol > ripple.basics
-test.protocol > ripple.beast
-test.protocol > ripple.crypto
-test.protocol > ripple.json
-test.protocol > ripple.protocol
+test.peerfinder > xrpl.basics
+test.peerfinder > xrpld.core
+test.peerfinder > xrpld.peerfinder
+test.peerfinder > xrpl.protocol
 test.protocol > test.toplevel
-test.resource > ripple.basics
-test.resource > ripple.beast
-test.resource > ripple.resource
+test.protocol > xrpl.basics
+test.protocol > xrpl.json
+test.protocol > xrpl.protocol
 test.resource > test.unit_test
-test.rpc > ripple.app
-test.rpc > ripple.basics
-test.rpc > ripple.beast
-test.rpc > ripple.core
-test.rpc > ripple.json
-test.rpc > ripple.net
-test.rpc > ripple.nodestore
-test.rpc > ripple.overlay
-test.rpc > ripple.protocol
-test.rpc > ripple.resource
-test.rpc > ripple.rpc
+test.resource > xrpl.basics
+test.resource > xrpl.resource
 test.rpc > test.jtx
-test.rpc > test.nodestore
 test.rpc > test.toplevel
-test.server > ripple.app
-test.server > ripple.basics
-test.server > ripple.beast
-test.server > ripple.core
-test.server > ripple.json
-test.server > ripple.rpc
-test.server > ripple.server
+test.rpc > xrpl.basics
+test.rpc > xrpld.app
+test.rpc > xrpld.core
+test.rpc > xrpld.net
+test.rpc > xrpld.overlay
+test.rpc > xrpld.rpc
+test.rpc > xrpl.hook
+test.rpc > xrpl.json
+test.rpc > xrpl.protocol
+test.rpc > xrpl.resource
 test.server > test.jtx
 test.server > test.toplevel
 test.server > test.unit_test
-test.shamap > ripple.basics
-test.shamap > ripple.beast
-test.shamap > ripple.nodestore
-test.shamap > ripple.protocol
-test.shamap > ripple.shamap
+test.server > xrpl.basics
+test.server > xrpld.app
+test.server > xrpld.core
+test.server > xrpld.rpc
+test.server > xrpl.json
+test.server > xrpl.server
 test.shamap > test.unit_test
-test.toplevel > ripple.json
+test.shamap > xrpl.basics
+test.shamap > xrpld.nodestore
+test.shamap > xrpld.shamap
+test.shamap > xrpl.protocol
 test.toplevel > test.csf
-test.unit_test > ripple.basics
-test.unit_test > ripple.beast
+test.toplevel > xrpl.json
+test.unit_test > xrpl.basics
+xrpl.hook > xrpl.basics
+xrpl.protocol > xrpl.basics
+xrpl.protocol > xrpl.json
+xrpl.resource > xrpl.basics
+xrpl.resource > xrpl.json
+xrpl.resource > xrpl.protocol
+xrpl.server > xrpl.basics
+xrpl.server > xrpl.json
+xrpl.server > xrpl.protocol
+xrpld.app > test.unit_test
+xrpld.app > xrpl.basics
+xrpld.app > xrpld.conditions
+xrpld.app > xrpld.consensus
+xrpld.app > xrpld.perflog
+xrpld.app > xrpl.hook
+xrpld.app > xrpl.json
+xrpld.app > xrpl.resource
+xrpld.conditions > xrpl.basics
+xrpld.conditions > xrpl.protocol
+xrpld.consensus > xrpl.basics
+xrpld.consensus > xrpl.json
+xrpld.consensus > xrpl.protocol
+xrpld.core > xrpl.basics
+xrpld.core > xrpl.json
+xrpld.core > xrpl.protocol
+xrpld.ledger > xrpl.basics
+xrpld.ledger > xrpld.core
+xrpld.ledger > xrpl.json
+xrpld.ledger > xrpl.protocol
+xrpld.net > xrpl.basics
+xrpld.net > xrpl.json
+xrpld.net > xrpl.protocol
+xrpld.net > xrpl.resource
+xrpld.nodestore > xrpl.basics
+xrpld.nodestore > xrpld.core
+xrpld.nodestore > xrpld.unity
+xrpld.nodestore > xrpl.json
+xrpld.nodestore > xrpl.protocol
+xrpld.overlay > xrpl.basics
+xrpld.overlay > xrpld.core
+xrpld.overlay > xrpld.peerfinder
+xrpld.overlay > xrpld.perflog
+xrpld.overlay > xrpl.json
+xrpld.overlay > xrpl.protocol
+xrpld.overlay > xrpl.resource
+xrpld.overlay > xrpl.server
+xrpld.peerfinder > xrpl.basics
+xrpld.peerfinder > xrpld.core
+xrpld.peerfinder > xrpl.protocol
+xrpld.perflog > xrpl.basics
+xrpld.perflog > xrpl.json
+xrpld.perflog > xrpl.protocol
+xrpld.rpc > xrpl.basics
+xrpld.rpc > xrpld.core
+xrpld.rpc > xrpld.ledger
+xrpld.rpc > xrpld.nodestore
+xrpld.rpc > xrpld.shamap
+xrpld.rpc > xrpl.json
+xrpld.rpc > xrpl.protocol
+xrpld.rpc > xrpl.resource
+xrpld.rpc > xrpl.server
+xrpld.shamap > xrpl.basics
+xrpld.shamap > xrpld.nodestore
+xrpld.shamap > xrpl.protocol

CMakeLists.txt

@@ -12,13 +12,13 @@ endif()
 
 # Fix "unrecognized escape" issues when passing CMAKE_MODULE_PATH on Windows.
 file(TO_CMAKE_PATH "${CMAKE_MODULE_PATH}" CMAKE_MODULE_PATH)
-list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/Builds/CMake")
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 if(POLICY CMP0144)
   cmake_policy(SET CMP0144 NEW)
 endif()
 
-project (rippled)
+project (xrpl)
 set(Boost_NO_BOOST_CMAKE ON)
 
 # make GIT_COMMIT_HASH define available to all sources
@@ -51,8 +51,8 @@ if(CMAKE_TOOLCHAIN_FILE)
 endif()
 
 if (NOT USE_CONAN)
-  list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/Builds/CMake")
-  list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/Builds/CMake/deps")
+  list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+  list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/deps")
 endif()
 
 include (CheckCXXCompilerFlag)
@@ -94,7 +94,6 @@ if (NOT USE_CONAN)
   include(deps/Libarchive)
   include(deps/Sqlite)
   include(deps/Soci)
-  include(deps/Snappy)
   include(deps/Rocksdb)
   include(deps/Nudb)
   include(deps/date)
@@ -121,7 +120,6 @@ else()
   find_package(LibArchive REQUIRED)
   find_package(SOCI REQUIRED)
   find_package(SQLite3 REQUIRED)
-  find_package(Snappy REQUIRED)
   find_package(wasmedge REQUIRED)
   option(rocksdb "Enable RocksDB" ON)
   if(rocksdb)
@@ -143,14 +141,6 @@ else()
   endif()
   target_link_libraries(ripple_libs INTERFACE ${nudb})
 
-  if(reporting)
-    find_package(cassandra-cpp-driver REQUIRED)
-    find_package(PostgreSQL REQUIRED)
-    target_link_libraries(ripple_libs INTERFACE
-      cassandra-cpp-driver::cassandra-cpp-driver
-      PostgreSQL::PostgreSQL
-    )
-  endif()
   target_link_libraries(ripple_libs INTERFACE
     ed25519::ed25519
     lz4::lz4
@@ -168,14 +158,12 @@ if(coverage)
   include(RippledCov)
 endif()
 
-###
-
+set(PROJECT_EXPORT_SET RippleExports)
 include(RippledCore)
 if (NOT USE_CONAN)
   include(deps/Protobuf)
   include(deps/gRPC)
 endif()
 include(RippledInstall)
-include(RippledMultiConfig)
 include(RippledDocs)
 include(RippledValidatorKeys)

CONTRIBUTING.md

@@ -57,12 +57,12 @@ Ensure that your code compiles according to the build instructions in the
 [`documentation`](https://docs.xahau.network/infrastructure/building-xahau).
 If you create new source files, they must go under `src/ripple`.
 You will need to add them to one of the
-[source lists](./Builds/CMake/RippledCore.cmake) in CMake.
+[source lists](./cmake/RippledCore.cmake) in CMake.
 
 Please write tests for your code.
 If you create new test source files, they must go under `src/test`.
 You will need to add them to one of the
-[source lists](./Builds/CMake/RippledCore.cmake) in CMake.
+[source lists](./cmake/RippledCore.cmake) in CMake.
 If your test can be run offline, in under 60 seconds, then it can be an
 automatic test run by `rippled --unittest`.
 Otherwise, it must be a manual test.
@@ -71,27 +71,235 @@ The source must be formatted according to the style guide below.
 
 Header includes must be [levelized](./Builds/levelization).
 
+Changes should be usually squashed down into a single commit.
+Some larger or more complicated change sets make more sense,
+and are easier to review if organized into multiple logical commits.
+Either way, all commits should fit the following criteria:
+* Changes should be presented in a single commit or a logical
+  sequence of commits.
+  Specifically, chronological commits that simply
+  reflect the history of how the author implemented
+  the change, "warts and all", are not useful to
+  reviewers.
+* Every commit should have a [good message](#good-commit-messages).
+  to explain a specific aspects of the change.
+* Every commit should be signed.
+* Every commit should be well-formed (builds successfully,
+  unit tests passing), as this helps to resolve merge
+  conflicts, and makes it easier to use `git bisect`
+  to find bugs.
+
+### Good commit messages
+
+Refer to
+["How to Write a Git Commit Message"](https://cbea.ms/git-commit/)
+for general rules on writing a good commit message.
+
+In addition to those guidelines, please add one of the following
+prefixes to the subject line if appropriate.
+* `fix:` - The primary purpose is to fix an existing bug.
+* `perf:` - The primary purpose is performance improvements.
+* `refactor:` - The changes refactor code without affecting
+  functionality.
+* `test:` - The changes _only_ affect unit tests.
+* `docs:` - The changes _only_ affect documentation. This can
+  include code comments in addition to `.md` files like this one.
+* `build:` - The changes _only_ affect the build process,
+  including CMake and/or Conan settings.
+* `chore:` - Other tasks that don't affect the binary, but don't fit
+  any of the other cases. e.g. formatting, git settings, updating
+  Github Actions jobs.
+
+Whenever possible, when updating commits after the PR is open, please
+add the PR number to the end of the subject line. e.g. `test: Add
+unit tests for Feature X (#1234)`.
 
 ## Pull requests
 
 In general, pull requests use `develop` as the base branch.
-
 (Hotfixes are an exception.)
 
-Changes to pull requests must be added as new commits.
-Once code reviewers have started looking at your code, please avoid
-force-pushing a branch in a pull request.
+If your changes are not quite ready, but you want to make it easily available
+for preliminary examination or review, you can create a "Draft" pull request.
+While a pull request is marked as a "Draft", you can rebase or reorganize the
+commits in the pull request as desired.
+
+Github pull requests are created as "Ready" by default, or you can mark
+a "Draft" pull request as "Ready".
+Once a pull request is marked as "Ready",
+any changes must be added as new commits. Do not
+force-push to a branch in a pull request under review.
+(This includes rebasing your branch onto the updated base branch.
+Use a merge operation, instead or hit the "Update branch" button
+at the bottom of the Github PR page.)
 This preserves the ability for reviewers to filter changes since their last
 review.
 
-A pull request must obtain **approvals from at least two reviewers** before it
-can be considered for merge by a Maintainer.
+A pull request must obtain **approvals from at least two reviewers**
+before it can be considered for merge by a Maintainer.
 Maintainers retain discretion to require more approvals if they feel the
 credibility of the existing approvals is insufficient.
 
 Pull requests must be merged by [squash-and-merge][2]
 to preserve a linear history for the `develop` branch.
 
+### When and how to merge pull requests
+
+#### "Passed"
+
+A pull request should only have the "Passed" label added when it
+meets a few criteria:
+
+1. It must have two approving reviews [as described
+   above](#pull-requests). (Exception: PRs that are deemed "trivial"
+   only need one approval.)
+2. All CI checks must be complete and passed. (One-off failures may
+   be acceptable if they are related to a known issue.)
+3. The PR must have a [good commit message](#good-commit-messages).
+   * If the PR started with a good commit message, and it doesn't
+     need to be updated, the author can indicate that in a comment.
+   * Any contributor, preferably the author, can leave a comment
+     suggesting a commit message.
+   * If the author squashes and rebases the code in preparation for
+     merge, they should also ensure the commit message(s) are updated
+     as well.
+4. The PR branch must be up to date with the base branch (usually
+   `develop`). This is usually accomplised by merging the base branch
+   into the feature branch, but if the other criteria are met, the
+   changes can be squashed and rebased on top of the base branch.
+5. Finally, and most importantly, the author of the PR must
+   positively indicate that the PR is ready to merge. That can be
+   accomplished by adding the "Passed" label if their role allows,
+   or by leaving a comment to the effect that the PR is ready to
+   merge.
+
+Once the "Passed" label is added, a maintainer may merge the PR at
+any time, so don't use it lightly.
+
+#### Instructions for maintainers
+
+The maintainer should double-check that the PR has met all the
+necessary criteria, and can request additional information from the
+owner, or additional reviews, and can always feel free to remove the
+"Passed" label if appropriate. The maintainer has final say on
+whether a PR gets merged, and are encouraged to communicate and
+issues or concerns to other maintainers.
+
+##### Most pull requests: "Squash and merge"
+
+Most pull requests don't need special handling, and can simply be
+merged using the "Squash and merge" button on the Github UI. Update
+the suggested commit message if necessary.
+
+##### Slightly more complicated pull requests
+
+Some pull requests need to be pushed to `develop` as more than one
+commit. There are multiple ways to accomplish this. If the author
+describes a process, and it is reasonable, follow it. Otherwise, do
+a fast forward only merge (`--ff-only`) on the command line and push.
+
+Either way, check that:
+* The commits are based on the current tip of `develop`.
+* The commits are clean: No merge commits (except when reverse
+  merging), no "[FOLD]" or "fixup!" messages.
+* All commits are signed. If the commits are not signed by the author, use
+  `git commit --amend -S` to sign them yourself.
+* At least one (but preferably all) of the commits has the PR number
+  in the commit message.
+
+**Never use the "Create a merge commit" or "Rebase and merge"
+ functions!**
+
+##### Releases, release candidates, and betas
+
+All releases, including release candidates and betas, are handled
+differently from typical PRs. Most importantly, never use
+the Github UI to merge a release.
+
+1. There are two possible conditions that the `develop` branch will
+   be in when preparing a release.
+   1. Ready or almost ready to go: There may be one or two PRs that
+      need to be merged, but otherwise, the only change needed is to
+      update the version number in `BuildInfo.cpp`. In this case,
+      merge those PRs as appropriate, updating the second one, and
+      waiting for CI to finish in between. Then update
+      `BuildInfo.cpp`.
+   2. Several pending PRs: In this case, do not use the Github UI,
+      because the delays waiting for CI in between each merge will be
+      unnecessarily onerous. Instead, create a working branch (e.g.
+      `develop-next`) based off of `develop`. Squash the changes
+      from each PR onto the branch, one commit each (unless
+      more are needed), being sure to sign each commit and update
+      the commit message to include the PR number. You may be able
+      to use a fast-forward merge for the first PR. The workflow may
+      look something like:
+```
+git fetch upstream
+git checkout upstream/develop
+git checkout -b develop-next
+# Use -S on the ff-only merge if prbranch1 isn't signed.
+# Or do another branch first.
+git merge --ff-only user1/prbranch1
+git merge --squash user2/prbranch2
+git commit -S
+git merge --squash user3/prbranch3
+git commit -S
+[...]
+git push --set-upstream origin develop-next
+</pre>
+```
+2. Create the Pull Request with `release` as the base branch. If any
+   of the included PRs are still open,
+   [use closing keywords](https://docs.github.com/articles/closing-issues-using-keywords)
+   in the description to ensure they are closed when the code is
+   released. e.g. "Closes #1234"
+3. Instead of the default template, reuse and update the message from
+   the previous release. Include the following verbiage somewhere in
+   the description:
+```
+The base branch is release. All releases (including betas) go in
+release. This PR will be merged with --ff-only (not squashed or
+rebased, and not using the GitHub UI) to both release and develop.
+```
+4. Sign-offs for the three platforms usually occur offline, but at
+   least one approval will be needed on the PR.
+5. Once everything is ready to go, open a terminal, and do the
+   fast-forward merges manually. Do not push any branches until you
+   verify that all of them update correctly.
+```
+git fetch upstream
+git checkout -b upstream--develop -t upstream/develop || git checkout upstream--develop
+git reset --hard upstream/develop
+# develop-next must be signed already!
+git merge --ff-only origin/develop-next
+git checkout -b upstream--release -t upstream/release || git checkout upstream--release
+git reset --hard upstream/release
+git merge --ff-only origin/develop-next
+# Only do these 3 steps if pushing a release. No betas or RCs
+git checkout -b upstream--master -t upstream/master || git checkout upstream--master
+git reset --hard upstream/master
+git merge --ff-only origin/develop-next
+# Check that all of the branches are updated
+git log -1 --oneline
+# The output should look like:
+# 02ec8b7962 (HEAD -> upstream--master, origin/develop-next, upstream--release, upstream--develop, develop-next) Set version to 2.2.0-rc1
+# Note that all of the upstream--develop/release/master are on this commit.
+# (Master will be missing for betas, etc.)
+# Just to be safe, do a dry run first:
+git push --dry-run upstream-push HEAD:develop
+git push --dry-run upstream-push HEAD:release
+# git push --dry-run upstream-push HEAD:master
+# Now push
+git push upstream-push HEAD:develop
+git push upstream-push HEAD:release
+# git push upstream-push HEAD:master
+# Don't forget to tag the release, too.
+git tag <version number>
+git push upstream-push <version number>
+```
+6. Finally
+[create a new release on Github](https://github.com/XRPLF/rippled/releases).
+
 
 # Style guide
 
@@ -117,6 +325,16 @@ this:
 You can format individual files in place by running `clang-format -i <file>...`
 from any directory within this project.
 
+There is a Continuous Integration job that runs clang-format on pull requests. If the code doesn't comply, a patch file that corrects auto-fixable formatting issues is generated.
+
+To download the patch file:
+
+1. Next to `clang-format / check (pull_request) Failing after #s` -> click **Details** to open the details page.
+2. Left menu -> click **Summary**
+3. Scroll down to near the bottom-right under `Artifacts` -> click **clang-format.patch**
+4. Download the zip file and extract it to your local git repository. Run `git apply [patch-file-name]`.
+5. Commit and push.
+
 You can install a pre-commit hook to automatically run `clang-format` before every commit:
 ```
 pip3 install pre-commit

RELEASENOTES.md

@@ -7,6 +7,624 @@ 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 2.2.3
+
+Version 2.2.3 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. This release fixes a problem that can cause full-history servers to run out of space in their SQLite databases, depending on configuration. There are no new amendments in this release.
+
+[Sign Up for Future Release Announcements](https://groups.google.com/g/ripple-server)
+
+<!-- BREAK -->
+
+## Background
+
+The `rippled` server uses a SQLite database for tracking transactions, in addition to the main data store (usually NuDB) for ledger data. In servers keeping a large amount of history, this database can run out of space based on the configured number and size of database pages, even if the machine has disk space available. Based on the size of full history on Mainnet, servers with the default SQLite page size of 4096 may now run out of space if they store full history. In this case, your server may shut down with an error such as the following:
+
+```text
+Free SQLite space for transaction db is less than 512MB. To fix this, rippled
+  must be executed with the vacuum <sqlitetmpdir> parameter before restarting.
+  Note that this activity can take multiple days, depending on database size.
+```
+
+The exact timing of when a server runs out of space can vary based on a few factors. Server operators who encountered a similar problem in 2018 and followed steps to [increase the SQLite transaction database page size issue](../../../docs/infrastructure/troubleshooting/fix-sqlite-tx-db-page-size-issue) may not encounter this problem at all. The `--vacuum` commandline option to `rippled` from that time may work to free up space in the database, but requires extended downtime.
+
+Version 2.2.3 of `rippled` reconfigures the maximum number of SQLite pages so that the issue does not occur.
+
+Clio servers providing full history are not affected by this issue.
+
+
+## Action Required
+
+If you run an [XRP Ledger full history server](https://xrpl.org/docs/infrastructure/configuration/data-retention/configure-full-history), upgrading to version 2.2.3 may prevent the server from crashing when `transaction.db` exceeds approximately 8.7 terabytes.
+
+Additionally, five amendments introduced in version 2.2.0 are open for voting according to the XRP Ledger's [amendment process](https://xrpl.org/amendments.html), which enables protocol changes following two weeks of >80% support from trusted validators. If you operate an XRP Ledger server older than version 2.2.0, upgrade by Sep 23, 2024 to ensure service continuity. The exact time that protocol changes take effect depends on the voting decisions of the decentralized network.
+
+## Changelog
+
+### Bug Fixes
+
+- Update SQLite3 max_page_count to match current defaults ([#5114](https://github.com/XRPLF/rippled/pull/5114))
+
+### 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:
+
+J. Scott Branson <the@rabbitkick.club>
+
+
+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: <bugs@xrpl.org>
+
+
+# Version 2.2.2
+
+Version 2.2.2 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. This release fixes an ongoing issue with Mainnet where validators can stall during consensus processing due to lock contention, preventing ledgers from being validated for up to two minutes. There are no new amendments in this release.
+
+[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 2.2.2 as soon as possible to ensure stable and uninterrupted network behavior.
+
+Additionally, five amendments introduced in version 2.2.0 are open for voting according to the XRP Ledger's [amendment process](https://xrpl.org/amendments.html), which enables protocol changes following two weeks of >80% support from trusted validators. If you operate an XRP Ledger server older than version 2.2.0, upgrade by September 17, 2024 to ensure service continuity. The exact time that protocol changes take effect depends on the voting decisions of the decentralized network. Version 2.2.2 is recommended because of known bugs affecting stability of versions 2.2.0 and 2.2.1.
+
+If you operate a Clio server, Clio needs to be updated to 2.1.2 before updating to rippled 2.2.0. Clio will be blocked if it is not updated.
+
+## Changelog
+
+### Amendments and New Features
+
+- None
+
+### Bug Fixes and Performance Improvements
+
+- Allow only 1 job queue slot for acquiring inbound ledger [#5115](https://github.com/XRPLF/rippled/pull/5115) ([7741483](https://github.com/XRPLF/rippled/commit/774148389467781aca7c01bac90af2fba870570c))
+
+- Allow only 1 job queue slot for each validation ledger check [#5115](https://github.com/XRPLF/rippled/pull/5115) ([fbbea9e](https://github.com/XRPLF/rippled/commit/fbbea9e6e25795a8a6bd1bf64b780771933a9579))
+
+### Other improvements
+
+ -  Track latencies of certain code blocks, and log if they take too long [#5115](https://github.com/XRPLF/rippled/pull/5115) ([00ed7c9](https://github.com/XRPLF/rippled/commit/00ed7c942436f02644a13169002b5123f4e2a116))
+
+### 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:
+
+Mark Travis <mtrippled@users.noreply.github.com>
+Valentin Balaschenko <13349202+vlntb@users.noreply.github.com>
+
+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: <bugs@xrpl.org>
+
+# Version 2.2.1
+
+Version 2.2.1 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. This release fixes a critical bug introduced in 2.2.0 handling some types of RPC requests.
+
+[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 2.2.1 as soon as possible to ensure stable and uninterrupted network behavior.
+
+Additionally, five amendments introduced in version 2.2.0 are open for voting according to the XRP Ledger's [amendment process](https://xrpl.org/amendments.html), which enables protocol changes following two weeks of >80% support from trusted validators. If you operate an XRP Ledger server older than version 2.2.0, upgrade by August 14, 2024 to ensure service continuity. The exact time that protocol changes take effect depends on the voting decisions of the decentralized network. Version 2.2.1 is recommended because of known bugs affecting stability of versions 2.2.0.
+
+If you operate a Clio server, Clio needs to be updated to 2.2.2 before updating to rippled 2.2.1. Clio will be blocked if it is not updated.
+
+## Changelog
+
+### Amendments and New Features
+
+- None
+
+### Bug Fixes and Performance Improvements
+
+- Improve error handling in some RPC commands. [#5078](https://github.com/XRPLF/rippled/pull/5078)
+
+- Use error codes throughout fast Base58 implementation. [#5078](https://github.com/XRPLF/rippled/pull/5078)
+
+### 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:
+
+John Freeman <jfreeman08@gmail.com>
+Mayukha Vadari <mvadari@gmail.com>
+
+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: <bugs@xrpl.org>
+
+
+# Version 2.2.0
+
+Version 2.2.0 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. This release adds performance optimizations, several bug fixes, and introduces the `featurePriceOracle`, `fixEmptyDID`, `fixXChainRewardRounding`, `fixPreviousTxnID`, and `fixAMMv1_1` amendments.
+
+[Sign Up for Future Release Announcements](https://groups.google.com/g/ripple-server)
+
+<!-- BREAK -->
+
+## Action Required
+
+Five new amendments are now open for voting according to the XRP Ledger's [amendment process](https://xrpl.org/amendments.html), which enables protocol changes following two weeks of >80% support from trusted validators.
+
+If you operate an XRP Ledger server, upgrade to version 2.2.0 by June 17, 2024 to ensure service continuity. The exact time that protocol changes take effect depends on the voting decisions of the decentralized network.
+
+If you operate a Clio server, Clio needs to be updated to 2.1.2 before updating to rippled 2.2.0. Clio will be blocked if it is not updated.
+
+## Changelog
+
+### Amendments and New Features
+(These are changes which may impact or be useful to end users. For example, you may be able to update your code/workflow to take advantage of these changes.)
+
+- **featurePriceOracle** amendment: Implements a price oracle as defined in the [XLS-47](https://github.com/XRPLF/XRPL-Standards/blob/master/XLS-47d-PriceOracles/README.md) spec. A Price Oracle is used to bring real-world data, such as market prices, onto the blockchain, enabling dApps to access and utilize information that resides outside the blockchain. [#4789](https://github.com/XRPLF/rippled/pull/4789) 
+
+- **fixEmptyDID** amendment: Modifies the behavior of the DID amendment: adds an additional check to ensure that DIDs are non-empty when created, and returns a `tecEMPTY_DID` error if the DID would be empty. [#4950](https://github.com/XRPLF/rippled/pull/4950)
+
+- **fixXChainRewardRounding** amendment: Modifies the behavior of the XChainBridge amendment: fixes rounding so reward shares are always rounded down, even when the `fixUniversalNumber` amendment is active. [#4933](https://github.com/XRPLF/rippled/pull/4933)
+
+- **fixPreviousTxnID** amendment: Adds `PreviousTxnID` and `PreviousTxnLgrSequence` as fields to all ledger entries that did not already have them included (`DirectoryNode`, `Amendments`, `FeeSettings`, `NegativeUNL`, and `AMM`). Existing ledger entries will gain the fields whenever transactions modify those entries. [#4751](https://github.com/XRPLF/rippled/pull/4751). 
+
+- **fixAMMv1_1** amendment: Fixes AMM offer rounding and low quality order book offers from blocking the AMM. [#4983](https://github.com/XRPLF/rippled/pull/4983)
+
+- Add a non-admin version of `feature` API method. [#4781](https://github.com/XRPLF/rippled/pull/4781)
+
+### Bug Fixes and Performance Improvements
+(These are behind-the-scenes improvements, such as internal changes to the code, which are not expected to impact end users.)
+
+- Optimize the base58 encoder and decoder. The algorithm is now about 10 times faster for encoding and 15 times faster for decoding. [#4327](https://github.com/XRPLF/rippled/pull/4327)
+
+- Optimize the `account_tx` SQL query. [#4955](https://github.com/XRPLF/rippled/pull/4955)
+
+- Don't reach consensus as quickly if no other proposals are seen. [#4763](https://github.com/XRPLF/rippled/pull/4763)
+
+- Fix a potential deadlock in the database module. [#4989](https://github.com/XRPLF/rippled/pull/4989)
+
+- Enforce no duplicate slots from incoming connections. [#4944](https://github.com/XRPLF/rippled/pull/4944)
+
+- Fix an order book update variable swap. [#4890](https://github.com/XRPLF/rippled/pull/4890)
+
+### Docs and Build System
+
+- Add unit test to raise the test coverage of the AMM. [#4971](https://github.com/XRPLF/rippled/pull/4971)
+
+- Improve test coverage reporting. [#4977](https://github.com/XRPLF/rippled/pull/4977)
+
+### 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:
+
+Alex Kremer <akremer@ripple.com>
+Alloy Networks <45832257+alloynetworks@users.noreply.github.com>
+Bronek Kozicki <brok@incorrekt.com>
+Chenna Keshava <ckeshavabs@gmail.com>
+Denis Angell <dangell@transia.co>
+Ed Hennis <ed@ripple.com>
+Gregory Tsipenyuk <gtsipenyuk@ripple.com>
+Howard Hinnant <howard.hinnant@gmail.com>
+John Freeman <jfreeman08@gmail.com>
+Mark Travis <mtrippled@users.noreply.github.com>
+Mayukha Vadari <mvadari@gmail.com>
+Michael Legleux <mlegleux@ripple.com>
+Nik Bougalis <nikb@bougalis.net>
+Olek <115580134+oleks-rip@users.noreply.github.com>
+Scott Determan <scott.determan@yahoo.com>
+Snoppy <michaleli@foxmail.com>
+
+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: <bugs@xrpl.org>
+
+
+## Version 2.1.1
+
+The `rippled` 2.1.1 release fixes a critical bug in the integration of AMMs with the payment engine.
+
+[Sign Up for Future Release Announcements](https://groups.google.com/g/ripple-server)
+
+<!-- BREAK -->
+
+
+## Action Required
+
+One new amendment is now open for voting according to the XRP Ledger's [amendment process](https://xrpl.org/amendments.html), which enables protocol changes following two weeks of >80% support from trusted validators.
+
+If you operate an XRP Ledger server, upgrade to version 2.1.1 by April 8, 2024 to ensure service continuity. The exact time that protocol changes take effect depends on the voting decisions of the decentralized network.
+
+## Changelog
+
+### Amendments
+
+- **fixAMMOverflowOffer**: Fix improper handling of large synthetic AMM offers in the payment engine. Due to the importance of this fix, the default vote in the source code has been set to YES. For information on how to configure your validator's amendment voting, see [Configure Amendment Voting](https://xrpl.org/docs/infrastructure/configuration/configure-amendment-voting).
+
+# Introducing XRP Ledger version 2.1.0
+
+Version 2.1.0 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. This release adds a bug fix, build improvements, and introduces the `fixNFTokenReserve` and `fixInnerObjTemplate` amendments.
+
+[Sign Up for Future Release Announcements](https://groups.google.com/g/ripple-server)
+
+<!-- BREAK -->
+
+
+## Action Required
+
+Two new amendments are now open for voting according to the XRP Ledger's [amendment process](https://xrpl.org/amendments.html), which enables protocol changes following two weeks of >80% support from trusted validators.
+
+If you operate an XRP Ledger server, upgrade to version 2.1.0 by March 5, 2024 to ensure service continuity. The exact time that protocol changes take effect depends on the voting decisions of the decentralized network.
+
+## Changelog
+
+### Amendments
+(These are changes which may impact or be useful to end users. For example, you may be able to update your code/workflow to take advantage of these changes.)
+
+- **fixNFTokenReserve**: Adds a check to the `NFTokenAcceptOffer` transactor to see if the `OwnerCount` changed. If it did, it checks that the reserve requirement is met. [#4767](https://github.com/XRPLF/rippled/pull/4767)
+
+- **fixInnerObjTemplate**: Adds an `STObject` constructor overload that includes an additional boolean argument to set the inner object template; currently, the inner object template isn't set upon object creation. In some circumstances, this causes a `tefEXCEPTION` error when trying to access the AMM `sfTradingFee` and `sfDiscountedFee` fields in the inner objects of `sfVoteEntry` and `sfAuctionSlot`. [#4906](https://github.com/XRPLF/rippled/pull/4906)
+
+
+### Bug Fixes and Performance Improvements
+(These are behind-the-scenes improvements, such as internal changes to the code, which are not expected to impact end users.)
+
+- Fixed a bug that prevented the gRPC port info from being specified in the `rippled` config file. [#4728](https://github.com/XRPLF/rippled/pull/4728)
+
+
+### Docs and Build System
+
+- Added unit tests to check that payees and payers aren't the same account. [#4860](https://github.com/XRPLF/rippled/pull/4860)
+
+- Removed a workaround that bypassed Windows CI unit test failures. [#4871](https://github.com/XRPLF/rippled/pull/4871)
+
+- Updated library names to be platform-agnostic in Conan recipes. [#4831](https://github.com/XRPLF/rippled/pull/4831)
+
+- Added headers required in the Conan package to build xbridge witness servers. [#4885](https://github.com/XRPLF/rippled/pull/4885)
+
+- Improved object lifetime management when creating a temporary `Rules` object, fixing a crash in Windows unit tests. [#4917](https://github.com/XRPLF/rippled/pull/4917)
+
+### 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:
+
+- Bronek Kozicki <brok@incorrekt.com>
+- CJ Cobb <cj@axelar.network>
+- Chenna Keshava B S <21219765+ckeshava@users.noreply.github.com>
+- Ed Hennis <ed@ripple.com>
+- Elliot Lee <github.public@intelliot.com>
+- Gregory Tsipenyuk <gregtatcam@users.noreply.github.com>
+- John Freeman <jfreeman08@gmail.com>
+- Michael Legleux <legleux@users.noreply.github.com>
+- Ryan Molley
+- Shawn Xie <35279399+shawnxie999@users.noreply.github.com>
+
+
+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: <bugs@xrpl.org>
+
+# Introducing XRP Ledger version 2.0.1
+
+Version 2.0.1 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. This release includes minor fixes, unit test improvements, and doc updates.
+
+[Sign Up for Future Release Announcements](https://groups.google.com/g/ripple-server)
+
+<!-- BREAK -->
+
+
+## Action Required
+
+If you operate an XRP Ledger server, upgrade to version 2.0.1 to take advantage of the changes included in this update. Nodes on version 1.12 should upgrade as soon as possible.
+
+
+## Changelog
+
+
+### Changes
+(These are changes which may impact or be useful to end users. For example, you may be able to update your code/workflow to take advantage of these changes.)
+
+- Updated the `send_queue_limit` to 500 in the default `rippled` config to handle increased transaction loads. [#4867](https://github.com/XRPLF/rippled/pull/4867)
+
+
+### Bug Fixes and Performance Improvements
+(These are behind-the-scenes improvements, such as internal changes to the code, which are not expected to impact end users.)
+
+- Fixed an assertion that occurred when `rippled` was under heavy websocket client load. [#4848](https://github.com/XRPLF/rippled/pull/4848)
+
+- Improved lifetime management of serialized type ledger entries to improve memory usage. [#4822](https://github.com/XRPLF/rippled/pull/4822)
+
+- Fixed a clang warning about deprecated sprintf usage. [#4747](https://github.com/XRPLF/rippled/pull/4747)
+
+
+### Docs and Build System
+
+- Added `DeliverMax` to more JSONRPC tests. [#4826](https://github.com/XRPLF/rippled/pull/4826)
+
+- Updated the pull request template to include a `Type of Change` checkbox and additional contextual questions. [#4875](https://github.com/XRPLF/rippled/pull/4875)
+
+- Updated help messages for unit tests pattern matching. [#4846](https://github.com/XRPLF/rippled/pull/4846)
+
+- Improved the time it take to generate coverage reports. [#4849](https://github.com/XRPLF/rippled/pull/4849)
+
+- Fixed broken links in the Conan build docs. [#4699](https://github.com/XRPLF/rippled/pull/4699)
+
+- Spurious codecov uploads are now retried if there's an error uploading them the first time. [#4896](https://github.com/XRPLF/rippled/pull/4896)
+
+
+### 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:
+
+- Bronek Kozicki <brok@incorrekt.com>
+- Chenna Keshava B S <21219765+ckeshava@users.noreply.github.com>
+- Ed Hennis <ed@ripple.com>
+- Elliot Lee <github.public@intelliot.com>
+- Lathan Britz <jucallme@gmail.com>
+- Mark Travis <mtrippled@users.noreply.github.com>
+- nixer89 <pbnixer@gmail.com>
+
+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: <bugs@xrpl.org>
+
+# Introducing XRP Ledger version 2.0.0
+
+Version 2.0.0 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. This release adds new features and bug fixes, and introduces these amendments:
+
+- `DID`
+- `XChainBridge`
+- `fixDisallowIncomingV1`
+- `fixFillOrKill`
+
+[Sign Up for Future Release Announcements](https://groups.google.com/g/ripple-server)
+
+<!-- BREAK -->
+
+
+## Action Required
+
+Four new amendments are now open for voting according to the XRP Ledger's [amendment process](https://xrpl.org/amendments.html), which enables protocol changes following two weeks of >80% support from trusted validators.
+
+If you operate an XRP Ledger server, upgrade to version 2.0.0 by January 22, 2024 to ensure service continuity. The exact time that protocol changes take effect depends on the voting decisions of the decentralized network.
+
+
+## Changelog
+
+
+### Amendments, New Features, and Changes
+(These are changes which may impact or be useful to end users. For example, you may be able to update your code/workflow to take advantage of these changes.)
+
+- **XChainBridge**: Introduces cross-chain bridges, enabling interoperability between the XRP Ledger and sidechains. [#4292](https://github.com/XRPLF/rippled/pull/4292)
+
+- **DID**: Introduces decentralized identifiers. [#4636](https://github.com/XRPLF/rippled/pull/4636)
+
+- **fixDisallowIncomingV1**: Fixes an issue that occurs when users try to authorize a trustline while the `lsfDisallowIncomingTrustline` flag is enabled on their account. [#4721](https://github.com/XRPLF/rippled/pull/4721)
+
+- **fixFillOrKill**: Fixes an issue introduced in the `flowCross` amendment. The `tfFillOrKill` and `tfSell` flags are now properly handled to allow offers to cross in certain scenarios. [#4694](https://github.com/XRPLF/rippled/pull/4694)
+
+- **API v2 released with these changes:**
+
+  - Accepts currency codes in ASCII, using the full alphabet. [#4566](https://github.com/XRPLF/rippled/pull/4566)
+  - Added test to verify the `check` field is a string. [#4630](https://github.com/XRPLF/rippled/pull/4630)
+  - Added errors for malformed `account_tx` and `noripple_check` fields. [#4620](https://github.com/XRPLF/rippled/pull/4620)
+  - Added errors for malformed `gateway_balances` and `channel_authorize` requests. [#4618](https://github.com/XRPLF/rippled/pull/4618)
+  - Added a `DeliverMax` alias to `Amount` and removed `Amount`. [#4733](https://github.com/XRPLF/rippled/pull/4733)
+  - Removed `tx_history` and `ledger_header` methods. Also updated `RPC::Handler` to allow for version-specific methods. [#4759](https://github.com/XRPLF/rippled/pull/4759)
+  - Standardized the JSON serialization format of transactions. [#4727](https://github.com/XRPLF/rippled/issues/4727)
+  - Bumped API support to v2, but kept the command-line interface for `rippled` and unit tests at v1. [#4803](https://github.com/XRPLF/rippled/pull/4803)
+  - Standardized `ledger_index` to return as a number. [#4820](https://github.com/XRPLF/rippled/pull/4820)
+
+- Added a `server_definitions` command that returns an SDK-compatible `definitions.json` file, generated from the `rippled` instance currently running. [#4703](https://github.com/XRPLF/rippled/pull/4703)
+
+- Improved unit test command line input and run times. [#4634](https://github.com/XRPLF/rippled/pull/4634)
+
+- Added the link compression setting to the the `rippled-example.cfg` file. [#4753](https://github.com/XRPLF/rippled/pull/4753)
+
+- Changed the reserved hook error code name from `tecHOOK_ERROR` to `tecHOOK_REJECTED`. [#4559](https://github.com/XRPLF/rippled/pull/4559)
+
+
+### Bug Fixes and Performance Improvements
+(These are behind-the-scenes improvements, such as internal changes to the code, which are not expected to impact end users.)
+
+- Simplified `TxFormats` common fields logic. [#4637](https://github.com/XRPLF/rippled/pull/4637)
+
+- Improved transaction throughput by asynchronously writing batches to *NuDB*. [#4503](https://github.com/XRPLF/rippled/pull/4503)
+
+- Removed 2 unused functions. [#4708](https://github.com/XRPLF/rippled/pull/4708)
+
+- Removed an unused variable that caused clang 14 build errors. [#4672](https://github.com/XRPLF/rippled/pull/4672)
+
+- Fixed comment about return value of `LedgerHistory::fixIndex`. [#4574](https://github.com/XRPLF/rippled/pull/4574)
+
+- Updated `secp256k1` to 0.3.2. [#4653](https://github.com/XRPLF/rippled/pull/4653)
+
+- Removed built-in SNTP clock issues. [#4628](https://github.com/XRPLF/rippled/pull/4628)
+
+- Fixed amendment flapping. This issue usually occurred when an amendment was on the verge of gaining majority, but a validator not in favor of the amendment went offline. [#4410](https://github.com/XRPLF/rippled/pull/4410)
+
+- Fixed asan stack-use-after-scope issue. [#4676](https://github.com/XRPLF/rippled/pull/4676)
+
+- Transactions and pseudo-transactions share the same `commonFields` again. [#4715](https://github.com/XRPLF/rippled/pull/4715)
+
+- Reduced boilerplate in `applySteps.cpp`. When a new transactor is added, only one function needs to be modified now. [#4710](https://github.com/XRPLF/rippled/pull/4710)
+
+- Removed an incorrect assert. [#4743](https://github.com/XRPLF/rippled/pull/4743)
+
+- Replaced some asserts in `PeerFinder::Logic` with `LogicError` to better indicate the nature of server crashes. [#4562](https://github.com/XRPLF/rippled/pull/4562)
+
+- Fixed an issue with enabling new amendments on a network with an ID greater than 1024. [#4737](https://github.com/XRPLF/rippled/pull/4737)
+
+
+### Docs and Build System
+
+- Updated `rippled-example.cfg` docs to clarify usage of *ssl_cert* vs *ssl_chain*. [#4667](https://github.com/XRPLF/rippled/pull/4667)
+
+- Updated `BUILD.md`:
+    - Made the `environment.md` link easier to find. Also made it easier to find platform-specific info. [#4507](https://github.com/XRPLF/rippled/pull/4507)
+    - Fixed typo. [#4718](https://github.com/XRPLF/rippled/pull/4718)
+    - Updated the minimum compiler requirements. [#4700](https://github.com/XRPLF/rippled/pull/4700)
+    - Added note about enabling `XRPFees`. [#4741](https://github.com/XRPLF/rippled/pull/4741)
+
+- Updated `API-CHANGELOG.md`:
+    - Explained API v2 is releasing with `rippled` 2.0.0. [#4633](https://github.com/XRPLF/rippled/pull/4633)
+    - Clarified the location of the `signer_lists` field in the `account_info` response for API v2. [#4724](https://github.com/XRPLF/rippled/pull/4724)
+    - Added documentation for the new `DeliverMax` field. [#4784](https://github.com/XRPLF/rippled/pull/4784)
+    - Removed references to API v2 being "in progress" and "in beta". [#4828](https://github.com/XRPLF/rippled/pull/4828)
+    - Clarified that all breaking API changes will now occur in API v3 or later. [#4773](https://github.com/XRPLF/rippled/pull/4773)
+
+- Fixed a mistake in the overlay README. [#4635](https://github.com/XRPLF/rippled/pull/4635)
+
+- Fixed an early return from `RippledRelease.cmake` that prevented targets from being created during packaging. [#4707](https://github.com/XRPLF/rippled/pull/4707)
+
+- Fixed a build error with Intel Macs. [#4632](https://github.com/XRPLF/rippled/pull/4632)
+
+- Added `.build` to `.gitignore`. [#4722](https://github.com/XRPLF/rippled/pull/4722)
+
+- Fixed a `uint is not universally defined` Windows build error. [#4731](https://github.com/XRPLF/rippled/pull/4731)
+
+- Reenabled Windows CI build with Artifactory support. [#4596](https://github.com/XRPLF/rippled/pull/4596)
+
+- Fixed output of remote step in Nix workflow. [#4746](https://github.com/XRPLF/rippled/pull/4746)
+
+- Fixed a broken link in `conan.md`. [#4740](https://github.com/XRPLF/rippled/pull/4740)
+
+- Added a `python` call to fix the `pip` upgrade command in Windows CI. [#4768](https://github.com/XRPLF/rippled/pull/4768)
+
+- Added an API Impact section to `pull_request_template.md`. [#4757](https://github.com/XRPLF/rippled/pull/4757)
+
+- Set permissions for the Doxygen workflow. [#4756](https://github.com/XRPLF/rippled/pull/4756)
+
+- Switched to Unity builds to speed up Windows CI. [#4780](https://github.com/XRPLF/rippled/pull/4780)
+
+- Clarified what makes consensus healthy in `FeeEscalation.md`. [#4729](https://github.com/XRPLF/rippled/pull/4729)
+
+- Removed a dependency on the <ranges> header for unit tests. [#4788](https://github.com/XRPLF/rippled/pull/4788)
+
+- Fixed a clang `unused-but-set-variable` warning. [#4677](https://github.com/XRPLF/rippled/pull/4677)
+
+- Removed an unused Dockerfile. [#4791](https://github.com/XRPLF/rippled/pull/4791)
+
+- Fixed unit tests to work with API v2. [#4785](https://github.com/XRPLF/rippled/pull/4785)
+
+- Added support for the mold linker on Linux. [#4807](https://github.com/XRPLF/rippled/pull/4807)
+
+- Updated Linux distribtuions `rippled` smoke tests run on. [#4813](https://github.com/XRPLF/rippled/pull/4813)
+
+- Added codename `bookworm` to the distribution matrix during Artifactory uploads, enabling Debian 12 clients to install `rippled` packages. [#4836](https://github.com/XRPLF/rippled/pull/4836)
+
+- Added a workaround for compilation errors with GCC 13 and other compilers relying on libstdc++ version 13. [#4817](https://github.com/XRPLF/rippled/pull/4817)
+
+- Fixed a minor typo in the code comments of `AMMCreate.h`. [4821](https://github.com/XRPLF/rippled/pull/4821)
+
+
+### 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:
+
+- Bronek Kozicki <brok@incorrekt.com>
+- Chenna Keshava B S <21219765+ckeshava@users.noreply.github.com>
+- Denis Angell <dangell@transia.co>
+- Ed Hennis <ed@ripple.com>
+- Elliot Lee <github.public@intelliot.com>
+- Florent <36513774+florent-uzio@users.noreply.github.com>
+- ForwardSlashBack <142098649+ForwardSlashBack@users.noreply.github.com>
+- Gregory Tsipenyuk <gregtatcam@users.noreply.github.com>
+- Howard Hinnant <howard.hinnant@gmail.com>
+- Hussein Badakhchani <husseinb01@gmail.com>
+- Jackson Mills <aim4math@gmail.com>
+- John Freeman <jfreeman08@gmail.com>
+- Manoj Doshi <mdoshi@ripple.com>
+- Mark Pevec <mark.pevec@gmail.com>
+- Mark Travis <mtrippled@users.noreply.github.com>
+- Mayukha Vadari <mvadari@gmail.com>
+- Michael Legleux <legleux@users.noreply.github.com>
+- Nik Bougalis <nikb@bougalis.net>
+- Peter Chen <34582813+PeterChen13579@users.noreply.github.com>
+- Rome Reginelli <rome@ripple.com>
+- Scott Determan <scott.determan@yahoo.com>
+- Scott Schurr <scott@ripple.com>
+- Sophia Xie <106177003+sophiax851@users.noreply.github.com>
+- Stefan van Kessel <van_kessel@freenet.de>
+- pwang200 <354723+pwang200@users.noreply.github.com>
+- shichengsg002 <147461171+shichengsg002@users.noreply.github.com>
+- sokkaofthewatertribe <140777955+sokkaofthewatertribe@users.noreply.github.com>
+
+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: <bugs@xrpl.org>
+
+
 # Introducing XRP Ledger version 1.12.0
 
 Version 1.12.0 of `rippled`, the reference server implementation of the XRP Ledger protocol, is now available. This release adds new features and bug fixes, and introduces these amendments:

bin/physical.sh

@@ -0,0 +1,218 @@
+#!/bin/bash
+
+set -o errexit
+
+marker_base=34be0ce4fef20c978df2923c29321ad6cc17facc
+marker_commit=${1:-${marker_base}}
+
+if [ $(git merge-base ${marker_commit} ${marker_base}) != ${marker_base} ]; then
+  echo "first marker commit not an ancestor: ${marker_commit}"
+  exit 1
+fi
+
+if [ $(git merge-base ${marker_commit} HEAD) != $(git rev-parse --verify ${marker_commit}) ]; then
+  echo "given marker commit not an ancestor: ${marker_commit}"
+  exit 1
+fi
+
+if [ -e Builds/CMake ]; then
+  echo move CMake
+  git mv Builds/CMake cmake
+  git add --update .
+  git commit -m 'Move CMake directory' --author 'Pretty Printer <cpp@ripple.com>'
+fi
+
+if [ -e src/ripple ]; then
+
+  echo move protocol buffers
+  mkdir -p include/xrpl
+  if [ -e src/ripple/proto ]; then
+    git mv src/ripple/proto include/xrpl
+  fi
+
+  extract_list() {
+    git show ${marker_commit}:Builds/CMake/RippledCore.cmake | \
+    awk "/END ${1}/ { p = 0 } p && /src\/ripple/; /BEGIN ${1}/ { p = 1 }" | \
+    sed -e 's#src/ripple/##' -e 's#[^a-z]\+$##'
+  }
+
+  move_files() {
+    oldroot="$1"; shift
+    newroot="$1"; shift
+    detail="$1"; shift
+    files=("$@")
+    for file in ${files[@]}; do
+      if [ ! -e ${oldroot}/${file} ]; then
+        continue
+      fi
+      dir=$(dirname ${file})
+      if [ $(basename ${dir}) == 'details' ]; then
+        dir=$(dirname ${dir})
+      fi
+      if [ $(basename ${dir}) == 'impl' ]; then
+        dir="$(dirname ${dir})/${detail}"
+      fi
+      mkdir -p ${newroot}/${dir}
+      git mv ${oldroot}/${file} ${newroot}/${dir}
+    done
+  }
+
+  echo move libxrpl headers
+  files=$(extract_list 'LIBXRPL HEADERS')
+  files+=(
+    basics/SlabAllocator.h
+
+    beast/asio/io_latency_probe.h
+    beast/container/aged_container.h
+    beast/container/aged_container_utility.h
+    beast/container/aged_map.h
+    beast/container/aged_multimap.h
+    beast/container/aged_multiset.h
+    beast/container/aged_set.h
+    beast/container/aged_unordered_map.h
+    beast/container/aged_unordered_multimap.h
+    beast/container/aged_unordered_multiset.h
+    beast/container/aged_unordered_set.h
+    beast/container/detail/aged_associative_container.h
+    beast/container/detail/aged_container_iterator.h
+    beast/container/detail/aged_ordered_container.h
+    beast/container/detail/aged_unordered_container.h
+    beast/container/detail/empty_base_optimization.h
+    beast/core/LockFreeStack.h
+    beast/insight/Collector.h
+    beast/insight/Counter.h
+    beast/insight/CounterImpl.h
+    beast/insight/Event.h
+    beast/insight/EventImpl.h
+    beast/insight/Gauge.h
+    beast/insight/GaugeImpl.h
+    beast/insight/Group.h
+    beast/insight/Groups.h
+    beast/insight/Hook.h
+    beast/insight/HookImpl.h
+    beast/insight/Insight.h
+    beast/insight/Meter.h
+    beast/insight/MeterImpl.h
+    beast/insight/NullCollector.h
+    beast/insight/StatsDCollector.h
+    beast/test/fail_counter.h
+    beast/test/fail_stream.h
+    beast/test/pipe_stream.h
+    beast/test/sig_wait.h
+    beast/test/string_iostream.h
+    beast/test/string_istream.h
+    beast/test/string_ostream.h
+    beast/test/test_allocator.h
+    beast/test/yield_to.h
+    beast/utility/hash_pair.h
+    beast/utility/maybe_const.h
+    beast/utility/temp_dir.h
+
+    # included by only json/impl/json_assert.h
+    json/json_errors.h
+
+    protocol/PayChan.h
+    protocol/RippleLedgerHash.h
+    protocol/messages.h
+    protocol/st.h
+  )
+  files+=(
+    basics/README.md
+    crypto/README.md
+    json/README.md
+    protocol/README.md
+    resource/README.md
+  )
+  move_files src/ripple include/xrpl detail ${files[@]}
+
+  echo move libxrpl sources
+  files=$(extract_list 'LIBXRPL SOURCES')
+  move_files src/ripple src/libxrpl "" ${files[@]}
+
+  echo check leftovers
+  dirs=$(cd include/xrpl; ls -d */)
+  dirs=$(cd src/ripple; ls -d ${dirs} 2>/dev/null || true)
+  files="$(cd src/ripple; find ${dirs} -type f)"
+  if [ -n "${files}" ]; then
+    echo "leftover files:"
+    echo ${files}
+    exit
+  fi
+
+  echo remove empty directories
+  empty_dirs="$(cd src/ripple; find ${dirs} -depth -type d)"
+  for dir in ${empty_dirs[@]}; do
+    if [ -e ${dir} ]; then
+      rmdir ${dir}
+    fi
+  done
+
+  echo move xrpld sources
+  files=$(
+    extract_list 'XRPLD SOURCES'
+    cd src/ripple
+    find * -regex '.*\.\(h\|ipp\|md\|pu\|uml\|png\)'
+  )
+  move_files src/ripple src/xrpld detail ${files[@]}
+
+  files="$(cd src/ripple; find . -type f)"
+  if [ -n "${files}" ]; then
+    echo "leftover files:"
+    echo ${files}
+    exit
+  fi
+
+fi
+
+rm -rf src/ripple
+
+echo rename .hpp to .h
+find include src -name '*.hpp' -exec bash -c 'f="{}"; git mv "${f}" "${f%hpp}h"' \;
+
+echo move PerfLog.h
+if [ -e include/xrpl/basics/PerfLog.h ]; then
+  git mv include/xrpl/basics/PerfLog.h src/xrpld/perflog
+fi
+
+# Make sure all protobuf includes have the correct prefix.
+protobuf_replace='s:^#include\s*["<].*org/xrpl\([^">]\+\)[">]:#include <xrpl/proto/org/xrpl\1>:'
+# Make sure first-party includes use angle brackets and .h extension.
+ripple_replace='s:include\s*["<]ripple/\(.*\)\.h\(pp\)\?[">]:include <ripple/\1.h>:'
+beast_replace='s:include\s*<beast/:include <xrpl/beast/:'
+# Rename impl directories to detail.
+impl_rename='s:\(<xrpl.*\)/impl\(/details\)\?/:\1/detail/:'
+
+echo rewrite includes in libxrpl
+find include/xrpl src/libxrpl -type f -exec sed -i \
+  -e "${protobuf_replace}" \
+  -e "${ripple_replace}" \
+  -e "${beast_replace}" \
+  -e 's:^#include <ripple/:#include <xrpl/:' \
+  -e "${impl_rename}" \
+  {} +
+
+echo rewrite includes in xrpld
+# # https://www.baeldung.com/linux/join-multiple-lines
+libxrpl_dirs="$(cd include/xrpl; ls -d1 */ | sed 's:/$::')"
+# libxrpl_dirs='a\nb\nc\n'
+readarray -t libxrpl_dirs <<< "${libxrpl_dirs}"
+# libxrpl_dirs=(a b c)
+libxrpl_dirs=$(printf -v txt '%s\\|' "${libxrpl_dirs[@]}"; echo "${txt%\\|}")
+# libxrpl_dirs='a\|b\|c'
+find src/xrpld src/test -type f -exec sed -i \
+  -e "${protobuf_replace}" \
+  -e "${ripple_replace}" \
+  -e "${beast_replace}" \
+  -e "s:^#include <ripple/basics/PerfLog.h>:#include <xrpld/perflog/PerfLog.h>:" \
+  -e "s:^#include <ripple/\(${libxrpl_dirs}\)/:#include <xrpl/\1/:" \
+  -e 's:^#include <ripple/:#include <xrpld/:' \
+  -e "${impl_rename}" \
+  {} +
+
+git commit -m 'Rearrange sources' --author 'Pretty Printer <cpp@ripple.com>'
+find include src -type f \( -name '*.cpp' -o -name '*.h' -o -name '*.ipp' \) -exec clang-format-10 -i {} +
+git add --update .
+git commit -m 'Rewrite includes' --author 'Pretty Printer <cpp@ripple.com>'
+./Builds/levelization/levelization.sh
+git add --update .
+git commit -m 'Recompute loops' --author 'Pretty Printer <cpp@ripple.com>'

build-core.sh

@@ -27,8 +27,8 @@ if [[ "$?" -ne "0" ]]; then
   exit 127
 fi
 
-perl -i -pe "s/^(\\s*)-DBUILD_SHARED_LIBS=OFF/\\1-DBUILD_SHARED_LIBS=OFF\\n\\1-DROCKSDB_BUILD_SHARED=OFF/g" Builds/CMake/deps/Rocksdb.cmake &&
-mv Builds/CMake/deps/WasmEdge.cmake Builds/CMake/deps/WasmEdge.old &&
+perl -i -pe "s/^(\\s*)-DBUILD_SHARED_LIBS=OFF/\\1-DBUILD_SHARED_LIBS=OFF\\n\\1-DROCKSDB_BUILD_SHARED=OFF/g" cmake/deps/Rocksdb.cmake &&
+mv cmake/deps/WasmEdge.cmake cmake/deps/WasmEdge.old &&
 echo "find_package(LLVM REQUIRED CONFIG)
 message(STATUS \"Found LLVM \${LLVM_PACKAGE_VERSION}\")
 message(STATUS \"Using LLVMConfig.cmake in: \${LLVM_DIR}\")
@@ -37,7 +37,7 @@ set_target_properties(wasmedge PROPERTIES IMPORTED_LOCATION \${WasmEdge_LIB})
 target_link_libraries (ripple_libs INTERFACE wasmedge)
 add_library (wasmedge::wasmedge ALIAS wasmedge)
 message(\"WasmEdge DONE\")
-" > Builds/CMake/deps/WasmEdge.cmake &&
+" > cmake/deps/WasmEdge.cmake &&
 git checkout src/ripple/protocol/impl/BuildInfo.cpp &&
 sed -i s/\"0.0.0\"/\"$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4\"/g src/ripple/protocol/impl/BuildInfo.cpp &&
 cd release-build &&
@@ -69,8 +69,8 @@ fi
 cd ..;
 
 mv src/ripple/net/impl/RegisterSSLCerts.cpp.old src/ripple/net/impl/RegisterSSLCerts.cpp;
-mv Builds/CMake/deps/Rocksdb.cmake.old Builds/CMake/deps/Rocksdb.cmake;
-mv Builds/CMake/deps/WasmEdge.old Builds/CMake/deps/WasmEdge.cmake;
+mv cmake/deps/Rocksdb.cmake.old cmake/deps/Rocksdb.cmake;
+mv cmake/deps/WasmEdge.old cmake/deps/WasmEdge.cmake;
 
 
 echo "END INSIDE CONTAINER - CORE"

build-full.sh

@@ -155,7 +155,7 @@ cp -r include/api/wasmedge /usr/include/ &&
 cd /io/ &&
 echo "-- Build Rippled --" &&
 pwd &&
-cp Builds/CMake/deps/Rocksdb.cmake Builds/CMake/deps/Rocksdb.cmake.old &&
+cp cmake/deps/Rocksdb.cmake cmake/deps/Rocksdb.cmake.old &&
 
 echo "MOVING TO [ build-core.sh ]"
 cd /io;

cfg/rippled-example.cfg

@@ -13,7 +13,7 @@
 #
 #   4. HTTPS Client
 #
-#   5. Reporting Mode
+#   5. <vacated>
 #
 #   6. Database
 #
@@ -884,119 +884,6 @@
 #
 #-------------------------------------------------------------------------------
 #
-# 5. Reporting Mode
-#
-#------------
-#
-#   rippled has an optional operating mode called Reporting Mode. In Reporting
-#   Mode, rippled does not connect to the peer to peer network. Instead, rippled
-#   will continuously extract data from one or more rippled servers that are
-#   connected to the peer to peer network (referred to as an ETL source).
-#   Reporting mode servers will forward RPC requests that require access to the
-#   peer to peer network (submit, fee, etc) to an ETL source.
-#
-#   [reporting]  Settings for Reporting Mode. If and only if this section is
-#                present, rippled will start in reporting mode. This section
-#                contains a list of ETL source names, and key-value pairs. The
-#                ETL source names each correspond to a configuration file
-#                section; the names must match exactly. The key-value pairs are
-#                optional.
-#
-#
-#   [<name>]
-#
-#   A series of key/value pairs that specify an ETL source.
-#
-#   source_ip = <IP-address>
-#
-#       Required. IP address of the ETL source. Can also be a DNS record.
-#
-#   source_ws_port = <number>
-#
-#       Required. Port on which ETL source is accepting unencrypted websocket
-#       connections.
-#
-#   source_grpc_port = <number>
-#
-#       Required for ETL. Port on which ETL source is accepting gRPC requests.
-#       If this option is ommitted, this ETL source cannot actually be used for
-#       ETL; the Reporting Mode server can still forward RPCs to this ETL
-#       source, but cannot extract data from this ETL source.
-#
-#
-#   Key-value pairs (all optional):
-#
-#       read_only    Valid values: 0, 1. Default is 0. If set to 1, the server
-#                    will start in strict read-only mode, and will not perform
-#                    ETL. The server will still handle RPC requests, and will
-#                    still forward RPC requests that require access to the p2p
-#                    network.
-#
-#      start_sequence
-#                   Sequence of first ledger to extract if the database is empty.
-#                   ETL extracts ledgers in order. If this setting is absent and
-#                   the database is empty, ETL will start with the next ledger
-#                   validated by the network. If this setting is present and the
-#                   database is not empty, an exception is thrown.
-#
-#     num_markers   Degree of parallelism used during the initial ledger
-#                   download. Only used if the database is empty. Valid values
-#                   are 1-256. A higher degree of parallelism results in a
-#                   faster download, but puts more load on the ETL source.
-#                   Default is 2.
-#
-#   Example:
-#
-#     [reporting]
-#     etl_source1
-#     etl_source2
-#     read_only=0
-#     start_sequence=32570
-#     num_markers=8
-#
-#     [etl_source1]
-#     source_ip=1.2.3.4
-#     source_ws_port=6005
-#     source_grpc_port=50051
-#
-#     [etl_source2]
-#     source_ip=5.6.7.8
-#     source_ws_port=6005
-#     source_grpc_port=50051
-#
-#   Minimal Example:
-#
-#     [reporting]
-#     etl_source1
-#
-#     [etl_source1]
-#     source_ip=1.2.3.4
-#     source_ws_port=6005
-#     source_grpc_port=50051
-#
-#
-#   Notes:
-#
-#   Reporting Mode requires Postgres (instead of SQLite). The Postgres
-#   connection info is specified under the [ledger_tx_tables] config section;
-#   see the Database section for further documentation.
-#
-#   Each ETL source specified must have gRPC enabled (by adding a [port_grpc]
-#   section to the config). It is recommended to add a secure_gateway entry to
-#   the gRPC section, in order to bypass the server's rate limiting.
-#   This section needs to be added to the config of the ETL source, not
-#   the config of the reporting node. In the example below, the
-#   reporting server is running at 127.0.0.1. Multiple IPs can be
-#   specified in secure_gateway via a comma separated list.
-#
-#   [port_grpc]
-#   ip = 0.0.0.0
-#   port = 50051
-#   secure_gateway = 127.0.0.1
-#
-#
-#-------------------------------------------------------------------------------
-#
 # 6. Database
 #
 #------------
@@ -1004,13 +891,7 @@
 #   rippled creates 4 SQLite database to hold bookkeeping information
 #   about transactions, local credentials, and various other things.
 #   It also creates the NodeDB, which holds all the objects that
-#   make up the current and historical ledgers. In Reporting Mode, rippled
-#   uses a Postgres database instead of SQLite.
-#
-#   The simplest way to work with Postgres is to install it locally.
-#   When it is running, execute the initdb.sh script in the current
-#   directory as: sudo -u postgres ./initdb.sh
-#   This will create the rippled user and an empty database of the same name.
+#   make up the current and historical ledgers.
 #
 #   The size of the NodeDB grows in proportion to the amount of new data and the
 #   amount of historical data (a configurable setting) so the performance of the
@@ -1052,14 +933,6 @@
 #       keeping full history is not advised, and using online delete is
 #       recommended.
 #
-#   type = Cassandra
-#
-#       Apache Cassandra is an open-source, distributed key-value store - see
-#       https://cassandra.apache.org/ for more details.
-#
-#       Cassandra is an alternative backend to be used only with Reporting Mode.
-#       See the Reporting Mode section for more details about Reporting Mode.
-#
 #   type = RWDB
 #
 #       RWDB is a high-performance memory store written by XRPL-Labs and optimized
@@ -1075,21 +948,6 @@
 #
 #       path                Location to store the database
 #
-#   Required keys for Cassandra:
-#
-#      contact_points       IP of a node in the Cassandra cluster
-#
-#      port                 CQL Native Transport Port
-#
-#      secure_connect_bundle
-#                           Absolute path to a secure connect bundle. When using
-#                           a secure connect bundle, contact_points and port are
-#                           not required.
-#
-#      keyspace             Name of Cassandra keyspace to use
-#
-#      table_name           Name of table in above keyspace to use
-#
 #   Optional keys
 #
 #       cache_size          Size of cache for database records. Default is 16384.
@@ -1106,7 +964,7 @@
 #                           default value for the unspecified parameter.
 #
 #                           Note: the cache will not be created if online_delete
-#                           is specified, or if shards are used.
+#                           is specified.
 #
 #       fast_load           Boolean. If set, load the last persisted ledger
 #                           from disk upon process start before syncing to
@@ -1119,10 +977,6 @@
 #       earliest_seq        The default is 32570 to match the XRP ledger
 #                           network's earliest allowed sequence. Alternate
 #                           networks may set this value. Minimum value of 1.
-#                           If a [shard_db] section is defined, and this
-#                           value is present either [node_db] or [shard_db],
-#                           it must be defined with the same value in both
-#                           sections.
 #
 #       online_delete       Minimum value of 256. Enable automatic purging
 #                           of older ledger information. Maintain at least this
@@ -1170,25 +1024,6 @@
 #                           checking until healthy.
 #                           Default is 5.
 #
-#   Optional keys for Cassandra:
-#
-#       username            Username to use if Cassandra cluster requires
-#                           authentication
-#
-#       password            Password to use if Cassandra cluster requires
-#                           authentication
-#
-#       max_requests_outstanding
-#                           Limits the maximum number of concurrent database
-#                           writes. Default is 10 million. For slower clusters,
-#                           large numbers of concurrent writes can overload the
-#                           cluster. Setting this option can help eliminate
-#                           write timeouts and other write errors due to the
-#                           cluster being overloaded.
-#       io_threads
-#                           Set the number of IO threads used by the
-#                           Cassandra driver. Defaults to 4.
-#
 #   Notes:
 #       The 'node_db' entry configures the primary, persistent storage.
 #
@@ -1205,32 +1040,6 @@
 #   your rippled.cfg file.
 #   Partial pathnames are relative to the location of the rippled executable.
 #
-#   [shard_db]      Settings for the Shard Database (optional)
-#
-#   Format (without spaces):
-#       One or more lines of case-insensitive key / value pairs:
-#       <key> '=' <value>
-#       ...
-#
-#   Example:
-#       path=db/shards/nudb
-#
-#   Required keys:
-#       path                Location to store the database
-#
-#   Optional keys:
-#       max_historical_shards
-#                           The maximum number of historical shards
-#                           to store.
-#
-#   [historical_shard_paths]      Additional storage paths for the Shard Database (optional)
-#
-#   Format (without spaces):
-#       One or more lines, each expressing a full path for storing historical shards:
-#       /mnt/disk1
-#       /mnt/disk2
-#       ...
-#
 #   [sqlite]       Tuning settings for the SQLite databases (optional)
 #
 #   Format (without spaces):
@@ -1310,40 +1119,18 @@
 #                           This setting may not be combined with the
 #                           "safety_level" setting.
 #
-#  [ledger_tx_tables] (optional)
+#       page_size           Valid values: integer (MUST be power of 2 between 512 and 65536)
+#                           The default is 4096 bytes. This setting determines
+#                           the size of a page in the transaction.db file.
+#                           See https://www.sqlite.org/pragma.html#pragma_page_size 
+#                           for more details about the available options.
 #
-#      conninfo             Info for connecting to Postgres. Format is
-#                           postgres://[username]:[password]@[ip]/[database].
-#                           The database and user must already exist. If this
-#                           section is missing and rippled is running in
-#                           Reporting Mode, rippled will connect as the
-#                           user running rippled to a database with the
-#                           same name. On Linux and Mac OS X, the connection
-#                           will take place using the server's UNIX domain
-#                           socket. On Windows, through the localhost IP
-#                           address. Default is empty.
-#
-#      use_tx_tables        Valid values: 1, 0
-#                           The default is 1 (true). Determines whether to use
-#                           the SQLite transaction database. If set to 0,
-#                           rippled will not write to the transaction database,
-#                           and will reject tx, account_tx and tx_history RPCs.
-#                           In Reporting Mode, this setting is ignored.
-#
-#      max_connections      Valid values: any positive integer up to 64 bit
-#                           storage length. This configures the maximum
-#                           number of concurrent connections to postgres.
-#                           Default is the maximum possible value to
-#                           fit in a 64 bit integer.
-#
-#      timeout              Number of seconds after which idle postgres
-#                           connections are discconnected. If set to 0,
-#                           connections never timeout. Default is 600.
-#
-#
-#      remember_ip          Value values: 1, 0
-#                           Default is 1 (true). Whether to cache host and
-#                           port connection settings.
+#       journal_size_limit  Valid values: integer
+#                           The default is 1582080. This setting limits
+#                           the size of the journal for transaction.db file. When the limit is
+#                           reached, older entries will be deleted.
+#                           See https://www.sqlite.org/pragma.html#pragma_journal_size_limit
+#                           for more details about the available options.
 #
 #
 #-------------------------------------------------------------------------------
@@ -1609,6 +1396,12 @@
 #       Admin level API commands over Secure Websockets, when originating
 #       from the same machine (via the loopback adapter at 127.0.0.1).
 #
+#   "grpc"
+#
+#       ETL commands for Clio. We recommend setting secure_gateway
+#       in this section to a comma-separated list of the addresses
+#       of your Clio servers, in order to bypass rippled's rate limiting.
+#
 #   This port is commented out but can be enabled by removing
 #   the '#' from each corresponding line including the entry under [server]
 #
@@ -1687,34 +1480,10 @@ path=/var/lib/rippled/db/nudb
 online_delete=512
 advisory_delete=0
 
-# This is the persistent datastore for shards. It is important for the health
-# of the ripple network that rippled operators shard as much as practical.
-# NuDB requires SSD storage. Helpful information can be found at
-# https://xrpl.org/history-sharding.html
-#[shard_db]
-#path=/var/lib/rippled/db/shards/nudb
-#max_historical_shards=50
-#
-# This optional section can be configured with a list
-# of paths to use for storing historical shards. Each
-# path must correspond to a unique filesystem.
-#[historical_shard_paths]
-#/path/1
-#/path/2
-
 [database_path]
 /var/lib/rippled/db
 
 
-# To use Postgres, uncomment this section and fill in the appropriate connection
-# info. Postgres can only be used in Reporting Mode.
-# To disable writing to the transaction database, uncomment this section, and
-# set use_tx_tables=0
-# [ledger_tx_tables]
-# conninfo = postgres://[username]:[password]@[ip]/[database]
-# use_tx_tables=1
-
-
 # This needs to be an absolute directory reference, not a relative one.
 # Modify this value as required.
 [debug_logfile]
@@ -1742,15 +1511,3 @@ validators.txt
 # set to ssl_verify to 0.
 [ssl_verify]
 1
-
-
-# To run in Reporting Mode, uncomment this section and fill in the appropriate
-# connection info for one or more ETL sources.
-# [reporting]
-# etl_source
-#
-#
-# [etl_source]
-# source_grpc_port=50051
-# source_ws_port=6005
-# source_ip=127.0.0.1

cmake/RippledCore.cmake

@@ -0,0 +1,155 @@
+#[===================================================================[
+  Exported targets.
+#]===================================================================]
+
+include(target_protobuf_sources)
+
+# Protocol buffers cannot participate in a unity build,
+# because all the generated sources
+# define a bunch of `static const` variables with the same names,
+# so we just build them as a separate library.
+add_library(xrpl.libpb)
+target_protobuf_sources(xrpl.libpb xrpl/proto
+  LANGUAGE cpp
+  IMPORT_DIRS include/xrpl/proto
+  PROTOS include/xrpl/proto/ripple.proto
+)
+
+file(GLOB_RECURSE protos "include/xrpl/proto/org/*.proto")
+target_protobuf_sources(xrpl.libpb xrpl/proto
+  LANGUAGE cpp
+  IMPORT_DIRS include/xrpl/proto
+  PROTOS "${protos}"
+)
+target_protobuf_sources(xrpl.libpb xrpl/proto
+  LANGUAGE grpc
+  IMPORT_DIRS include/xrpl/proto
+  PROTOS "${protos}"
+  PLUGIN protoc-gen-grpc=$<TARGET_FILE:gRPC::grpc_cpp_plugin>
+  GENERATE_EXTENSIONS .grpc.pb.h .grpc.pb.cc
+)
+
+target_compile_options(xrpl.libpb
+  PUBLIC
+    $<$<BOOL:${MSVC}>:-wd4996>
+    $<$<BOOL:${XCODE}>:
+      --system-header-prefix="google/protobuf"
+      -Wno-deprecated-dynamic-exception-spec
+    >
+  PRIVATE
+    $<$<BOOL:${MSVC}>:-wd4065>
+    $<$<NOT:$<BOOL:${MSVC}>>:-Wno-deprecated-declarations>
+)
+
+target_link_libraries(xrpl.libpb
+  PUBLIC
+    protobuf::libprotobuf
+    gRPC::grpc++
+)
+
+add_library(xrpl.libxrpl)
+set_target_properties(xrpl.libxrpl PROPERTIES OUTPUT_NAME xrpl)
+if(unity)
+  set_target_properties(xrpl.libxrpl PROPERTIES UNITY_BUILD ON)
+endif()
+
+# Try to find the ACL library
+find_library(ACL_LIBRARY NAMES acl)
+
+# Check if ACL was found
+if(ACL_LIBRARY)
+message(STATUS "Found ACL: ${ACL_LIBRARY}")
+else()
+message(STATUS "ACL not found, continuing without ACL support")
+endif()
+
+add_library(xrpl::libxrpl ALIAS xrpl.libxrpl)
+
+file(GLOB_RECURSE sources CONFIGURE_DEPENDS
+  "${CMAKE_CURRENT_SOURCE_DIR}/src/libxrpl/*.cpp"
+)
+target_sources(xrpl.libxrpl PRIVATE ${sources})
+
+target_include_directories(xrpl.libxrpl
+  PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>)
+
+target_compile_definitions(xrpl.libxrpl
+  PUBLIC
+    BOOST_ASIO_USE_TS_EXECUTOR_AS_DEFAULT
+    BOOST_CONTAINER_FWD_BAD_DEQUE
+    HAS_UNCAUGHT_EXCEPTIONS=1)
+
+target_compile_options(xrpl.libxrpl
+  PUBLIC
+    $<$<BOOL:${is_gcc}>:-Wno-maybe-uninitialized>
+)
+
+target_link_libraries(xrpl.libxrpl
+  PUBLIC
+    LibArchive::LibArchive
+    OpenSSL::Crypto
+    Ripple::boost
+    wasmedge::wasmedge
+    Ripple::opts
+    Ripple::syslibs
+    absl::random_random
+    date::date
+    ed25519::ed25519
+    secp256k1::secp256k1
+    xrpl.libpb
+    xxHash::xxhash
+)
+
+if(xrpld)
+  add_executable(rippled)
+  if(unity)
+    set_target_properties(rippled PROPERTIES UNITY_BUILD ON)
+  endif()
+  if(tests)
+    target_compile_definitions(rippled PUBLIC ENABLE_TESTS)
+  endif()
+  target_include_directories(rippled
+    PRIVATE
+      $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
+  )
+
+  file(GLOB_RECURSE sources CONFIGURE_DEPENDS
+    "${CMAKE_CURRENT_SOURCE_DIR}/src/xrpld/*.cpp"
+  )
+  target_sources(rippled PRIVATE ${sources})
+
+  if(tests)
+    file(GLOB_RECURSE sources CONFIGURE_DEPENDS
+      "${CMAKE_CURRENT_SOURCE_DIR}/src/test/*.cpp"
+    )
+    target_sources(rippled PRIVATE ${sources})
+  endif()
+
+  target_link_libraries(rippled
+    Ripple::boost
+    Ripple::opts
+    Ripple::libs
+    xrpl.libxrpl
+  )
+  exclude_if_included(rippled)
+  # define a macro for tests that might need to
+  # be exluded or run differently in CI environment
+  if(is_ci)
+    target_compile_definitions(rippled PRIVATE RIPPLED_RUNNING_IN_CI)
+  endif ()
+
+  # any files that don't play well with unity should be added here
+  if(tests)
+    set_source_files_properties(
+      # these two seem to produce conflicts in beast teardown template methods
+      src/test/rpc/ValidatorRPC_test.cpp
+      src/test/ledger/Invariants_test.cpp
+      PROPERTIES SKIP_UNITY_BUILD_INCLUSION TRUE)
+  endif()
+endif()
+
+if(ACL_LIBRARY)
+  target_link_libraries(rippled ${ACL_LIBRARY})
+endif()

cmake/RippledCov.cmake

@@ -33,6 +33,6 @@ setup_target_for_coverage_gcovr(
   FORMAT ${coverage_format}
   EXECUTABLE rippled
   EXECUTABLE_ARGS --unittest$<$<BOOL:${coverage_test}>:=${coverage_test}> --unittest-jobs ${coverage_test_parallelism} --quiet --unittest-log
-  EXCLUDE "src/test" "${CMAKE_BINARY_DIR}/proto_gen" "${CMAKE_BINARY_DIR}/proto_gen_grpc"
+  EXCLUDE "src/test" "include/xrpl/beast/test" "include/xrpl/beast/unit_test" "${CMAKE_BINARY_DIR}/pb-xrpl.libpb"
   DEPENDENCIES rippled
 )

cmake/RippledDocs.cmake

@@ -26,8 +26,7 @@ if (tests)
     src/ripple/*.cpp
     src/ripple/*.md
     src/test/*.h
-    src/test/*.md
-    Builds/*/README.md)
+    src/test/*.md)
   list (APPEND doxygen_input
     README.md
     RELEASENOTES.md

cmake/RippledInstall.cmake

@@ -8,14 +8,26 @@ install (
     opts
     ripple_syslibs
     ripple_boost
-    xrpl_core
     xrpl.libpb
+    xrpl.libxrpl
   EXPORT RippleExports
   LIBRARY DESTINATION lib
   ARCHIVE DESTINATION lib
   RUNTIME DESTINATION bin
   INCLUDES DESTINATION include)
 
+install(
+  DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/xrpl"
+  DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+)
+
+if(NOT WIN32)
+  install(
+    CODE "file(CREATE_LINK xrpl \
+      \${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}/ripple SYMBOLIC)"
+  )
+endif()
+
 install (EXPORT RippleExports
   FILE RippleTargets.cmake
   NAMESPACE Ripple::
@@ -26,14 +38,9 @@ write_basic_package_version_file (
   VERSION ${rippled_version}
   COMPATIBILITY SameMajorVersion)
 
-if (is_root_project)
+if (is_root_project AND TARGET rippled)
   install (TARGETS rippled RUNTIME DESTINATION bin)
   set_target_properties(rippled PROPERTIES INSTALL_RPATH_USE_LINK_PATH ON)
-  install (
-    FILES
-      ${CMAKE_CURRENT_SOURCE_DIR}/Builds/CMake/RippleConfig.cmake
-      ${CMAKE_CURRENT_BINARY_DIR}/RippleConfigVersion.cmake
-    DESTINATION lib/cmake/ripple)
   # sample configs should not overwrite existing files
   # install if-not-exists workaround as suggested by
   # https://cmake.org/Bug/view.php?id=12646
@@ -48,4 +55,16 @@ if (is_root_project)
     copy_if_not_exists(\"${CMAKE_CURRENT_SOURCE_DIR}/cfg/rippled-example.cfg\" etc rippled.cfg)
     copy_if_not_exists(\"${CMAKE_CURRENT_SOURCE_DIR}/cfg/validators-example.txt\" etc validators.txt)
   ")
+  if(NOT WIN32)
+    install(
+      CODE "file(CREATE_LINK rippled${suffix} \
+        \${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}/xrpld${suffix} SYMBOLIC)"
+    )
+  endif()
 endif ()
+
+install (
+  FILES
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/RippleConfig.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/RippleConfigVersion.cmake
+  DESTINATION lib/cmake/ripple)

cmake/RippledSettings.cmake

@@ -8,7 +8,7 @@ ProcessorCount(PROCESSOR_COUNT)
 
 option(assert "Enables asserts, even in release builds" OFF)
 
-option(reporting "Build rippled with reporting mode enabled" OFF)
+option(xrpld "Build xrpld" ON)
 
 option(tests "Build tests" ON)
 

cmake/RippledVersion.cmake

@@ -0,0 +1,15 @@
+#[===================================================================[
+   read version from source
+#]===================================================================]
+
+file(STRINGS src/libxrpl/protocol/BuildInfo.cpp BUILD_INFO)
+foreach(line_ ${BUILD_INFO})
+  if(line_ MATCHES "versionString[ ]*=[ ]*\"(.+)\"")
+    set(rippled_version ${CMAKE_MATCH_1})
+  endif()
+endforeach()
+if(rippled_version)
+  message(STATUS "rippled version: ${rippled_version}")
+else()
+  message(FATAL_ERROR "unable to determine rippled version")
+endif()

cmake/deps/Rocksdb.cmake

@@ -64,13 +64,13 @@ if (local_rocksdb)
     PATCH_COMMAND
       # only used by windows build
       ${CMAKE_COMMAND} -E copy_if_different
-      ${CMAKE_CURRENT_SOURCE_DIR}/Builds/CMake/rocks_thirdparty.inc
+      ${CMAKE_CURRENT_SOURCE_DIR}/cmake/rocks_thirdparty.inc
       <SOURCE_DIR>/thirdparty.inc
     COMMAND
       # fixup their build version file to keep the values
       # from changing always
       ${CMAKE_COMMAND} -E copy_if_different
-      ${CMAKE_CURRENT_SOURCE_DIR}/Builds/CMake/rocksdb_build_version.cc.in
+      ${CMAKE_CURRENT_SOURCE_DIR}/cmake/rocksdb_build_version.cc.in
       <SOURCE_DIR>/util/build_version.cc.in
     CMAKE_ARGS
       -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}

cmake/deps/Soci.cmake

@@ -52,7 +52,7 @@ else()
     # whenever we update the GIT_TAG above.
     PATCH_COMMAND
       ${CMAKE_COMMAND} -D RIPPLED_SOURCE=${CMAKE_CURRENT_SOURCE_DIR}
-        -P ${CMAKE_CURRENT_SOURCE_DIR}/Builds/CMake/soci_patch.cmake
+        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/soci_patch.cmake
     CMAKE_ARGS
       -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
       -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
@@ -61,7 +61,7 @@ else()
       $<$<BOOL:${VCPKG_TARGET_TRIPLET}>:-DVCPKG_TARGET_TRIPLET=${VCPKG_TARGET_TRIPLET}>
       $<$<BOOL:${unity}>:-DCMAKE_UNITY_BUILD=ON}>
       -DCMAKE_PREFIX_PATH=${CMAKE_BINARY_DIR}/sqlite3
-      -DCMAKE_MODULE_PATH=${CMAKE_CURRENT_SOURCE_DIR}/Builds/CMake
+      -DCMAKE_MODULE_PATH=${CMAKE_CURRENT_SOURCE_DIR}/cmake
       -DCMAKE_INCLUDE_PATH=$<JOIN:$<TARGET_PROPERTY:sqlite,INTERFACE_INCLUDE_DIRECTORIES>,::>
       -DCMAKE_LIBRARY_PATH=${sqlite_BINARY_DIR}
       -DCMAKE_DEBUG_POSTFIX=_d

cmake/deps/Sqlite.cmake

@@ -37,7 +37,7 @@ else()
     # for the single amalgamation source file.
     PATCH_COMMAND
       ${CMAKE_COMMAND} -E copy_if_different
-      ${CMAKE_CURRENT_SOURCE_DIR}/Builds/CMake/CMake_sqlite3.txt
+      ${CMAKE_CURRENT_SOURCE_DIR}/cmake/CMake_sqlite3.txt
       <SOURCE_DIR>/CMakeLists.txt
     CMAKE_ARGS
       -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}

cmake/soci_patch.cmake

@@ -8,7 +8,7 @@
 # those warnings.
 if (RIPPLED_SOURCE)
   execute_process( COMMAND ${CMAKE_COMMAND} -E copy_if_different
-      ${RIPPLED_SOURCE}/Builds/CMake/SociConfig.cmake.patched
+      ${RIPPLED_SOURCE}/cmake/SociConfig.cmake.patched
       cmake/SociConfig.cmake )
 endif ()
 

conanfile.py

@@ -15,29 +15,24 @@ class Xrpl(ConanFile):
         'coverage': [True, False],
         'fPIC': [True, False],
         'jemalloc': [True, False],
-        'reporting': [True, False],
         'rocksdb': [True, False],
         'shared': [True, False],
         'static': [True, False],
         'tests': [True, False],
         'unity': [True, False],
+        'xrpld': [True, False],
     }
 
     requires = [
-        'boost/1.86.0',
         'date/3.0.1',
-        'libarchive/3.6.0',
-        'lz4/1.9.3',
         'grpc/1.50.1',
+        'libarchive/3.6.2',
         'nudb/2.0.8',
         'openssl/1.1.1u',
-        'protobuf/3.21.9',
-        'snappy/1.1.10',
         'soci/4.0.3',
-        'sqlite3/3.42.0',
-        'zlib/1.2.13',
         'xxhash/0.8.2',
         'wasmedge/0.11.2',
+        'zlib/1.2.13',
     ]
 
     tool_requires = [
@@ -49,53 +44,51 @@ class Xrpl(ConanFile):
         'coverage': False,
         'fPIC': True,
         'jemalloc': False,
-        'reporting': False,
         'rocksdb': True,
         'shared': False,
         'static': True,
-        'tests': True,
+        'tests': False,
         'unity': False,
+        'xrpld': False,
 
-        'cassandra-cpp-driver:shared': False,
-        'date:header_only': True,
-        'grpc:shared': False,
-        'grpc:secure': True,
-        'libarchive:shared': False,
-        'libarchive:with_acl': False,
-        'libarchive:with_bzip2': False,
-        'libarchive:with_cng': False,
-        'libarchive:with_expat': False,
-        'libarchive:with_iconv': False,
-        'libarchive:with_libxml2': False,
-        'libarchive:with_lz4': True,
-        'libarchive:with_lzma': False,
-        'libarchive:with_lzo': False,
-        'libarchive:with_nettle': False,
-        'libarchive:with_openssl': False,
-        'libarchive:with_pcreposix': False,
-        'libarchive:with_xattr': False,
-        'libarchive:with_zlib': False,
-        'libpq:shared': False,
-        'lz4:shared': False,
-        'openssl:shared': False,
-        'protobuf:shared': False,
-        'protobuf:with_zlib': True,
-        'rocksdb:enable_sse': False,
-        'rocksdb:lite': False,
-        'rocksdb:shared': False,
-        'rocksdb:use_rtti': True,
-        'rocksdb:with_jemalloc': False,
-        'rocksdb:with_lz4': True,
-        'rocksdb:with_snappy': True,
-        'snappy:shared': False,
-        'soci:shared': False,
-        'soci:with_sqlite3': True,
-        'soci:with_boost': True,
-        'xxhash:shared': False,
+        'date/*:header_only': True,
+        'grpc/*:shared': False,
+        'grpc/*:secure': True,
+        'libarchive/*:shared': False,
+        'libarchive/*:with_acl': False,
+        'libarchive/*:with_bzip2': False,
+        'libarchive/*:with_cng': False,
+        'libarchive/*:with_expat': False,
+        'libarchive/*:with_iconv': False,
+        'libarchive/*:with_libxml2': False,
+        'libarchive/*:with_lz4': True,
+        'libarchive/*:with_lzma': False,
+        'libarchive/*:with_lzo': False,
+        'libarchive/*:with_nettle': False,
+        'libarchive/*:with_openssl': False,
+        'libarchive/*:with_pcreposix': False,
+        'libarchive/*:with_xattr': False,
+        'libarchive/*:with_zlib': False,
+        'lz4/*:shared': False,
+        'openssl/*:shared': False,
+        'protobuf/*:shared': False,
+        'protobuf/*:with_zlib': True,
+        'rocksdb/*:enable_sse': False,
+        'rocksdb/*:lite': False,
+        'rocksdb/*:shared': False,
+        'rocksdb/*:use_rtti': True,
+        'rocksdb/*:with_jemalloc': False,
+        'rocksdb/*:with_lz4': True,
+        'rocksdb/*:with_snappy': True,
+        'snappy/*:shared': False,
+        'soci/*:shared': False,
+        'soci/*:with_sqlite3': True,
+        'soci/*:with_boost': True,
+        'xxhash/*:shared': False,
     }
 
     def set_version(self):
-        path = f'{self.recipe_folder}/src/ripple/protocol/impl/BuildInfo.cpp'
+        path = f'{self.recipe_folder}/src/libxrpl/protocol/BuildInfo.cpp'
         regex = r'versionString\s?=\s?\"(.*)\"'
         with open(path, 'r') as file:
             matches = (re.search(regex, line) for line in file)
@@ -107,16 +100,23 @@ class Xrpl(ConanFile):
             self.options['boost'].visibility = 'global'
 
     def requirements(self):
+        self.requires('boost/1.86.0', force=True)
+        self.requires('lz4/1.9.3', force=True)
+        self.requires('protobuf/3.21.9', force=True)
+        self.requires('sqlite3/3.42.0', force=True)
         if self.options.jemalloc:
-            self.requires('jemalloc/5.2.1')
-        if self.options.reporting:
-            self.requires('cassandra-cpp-driver/2.15.3')
-            self.requires('libpq/13.6')
+            self.requires('jemalloc/5.3.0')
         if self.options.rocksdb:
-            self.requires('rocksdb/6.27.3')
+            self.requires('rocksdb/6.29.5')
 
     exports_sources = (
-        'CMakeLists.txt', 'Builds/*', 'bin/getRippledInfo', 'src/*', 'cfg/*', 'external/*'
+        'CMakeLists.txt',
+        'bin/getRippledInfo',
+        'cfg/*',
+        'cmake/*',
+        'external/*',
+        'include/*',
+        'src/*',
     )
 
     def layout(self):
@@ -132,11 +132,11 @@ class Xrpl(ConanFile):
         tc.variables['assert'] = self.options.assertions
         tc.variables['coverage'] = self.options.coverage
         tc.variables['jemalloc'] = self.options.jemalloc
-        tc.variables['reporting'] = self.options.reporting
         tc.variables['rocksdb'] = self.options.rocksdb
         tc.variables['BUILD_SHARED_LIBS'] = self.options.shared
         tc.variables['static'] = self.options.static
         tc.variables['unity'] = self.options.unity
+        tc.variables['xrpld'] = self.options.xrpld
         tc.generate()
 
     def build(self):
@@ -153,7 +153,7 @@ class Xrpl(ConanFile):
     def package_info(self):
         libxrpl = self.cpp_info.components['libxrpl']
         libxrpl.libs = [
-            'xrpl_core',
+            'xrpl',
             'xrpl.libpb',
             'ed25519',
             'secp256k1',
@@ -163,8 +163,17 @@ class Xrpl(ConanFile):
         libxrpl.includedirs = ['include', 'include/ripple/proto']
         libxrpl.requires = [
             'boost::boost',
-            'openssl::crypto',
             'date::date',
             'grpc::grpc++',
+            'libarchive::libarchive',
+            'lz4::lz4',
+            'nudb::nudb',
+            'openssl::crypto',
+            'protobuf::libprotobuf',
+            'soci::soci',
+            'sqlite3::sqlite',
             'xxhash::xxhash',
+            'zlib::zlib',
         ]
+        if self.options.rocksdb:
+            libxrpl.requires.append('rocksdb::librocksdb')

docs/build/environment.md

@@ -23,7 +23,7 @@ direction.
 
 ```
 apt update
-apt install --yes curl git libssl-dev python3.10-dev python3-pip make g++-11
+apt install --yes curl git libssl-dev python3.10-dev python3-pip make g++-11 libprotobuf-dev protobuf-compiler
 
 curl --location --remote-name \
   "https://github.com/Kitware/CMake/releases/download/v3.25.1/cmake-3.25.1.tar.gz"

examples/example/CMakeLists.txt

@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.21)
+
+set(name example)
+set(version 0.1.0)
+
+project(
+  ${name}
+  VERSION ${version}
+  LANGUAGES CXX
+)
+
+find_package(xrpl REQUIRED)
+
+add_executable(example)
+target_sources(example PRIVATE src/example.cpp)
+target_link_libraries(example PRIVATE xrpl::libxrpl)

examples/example/conanfile.py

@@ -0,0 +1,59 @@
+from conan import ConanFile, conan_version
+from conan.tools.cmake import CMake, cmake_layout
+
+class Example(ConanFile):
+
+    def set_name(self):
+        if self.name is None:
+            self.name = 'example'
+
+    def set_version(self):
+        if self.version is None:
+            self.version = '0.1.0'
+
+    license = 'ISC'
+    author = 'John Freeman <jfreeman08@gmail.com>'
+
+    settings = 'os', 'compiler', 'build_type', 'arch'
+    options = {'shared': [True, False], 'fPIC': [True, False]}
+    default_options = {
+        'shared': False,
+        'fPIC': True,
+        'xrpl:xrpld': False,
+    }
+
+    requires = ['xrpl/2.2.0-rc1@jfreeman/nodestore']
+    generators = ['CMakeDeps', 'CMakeToolchain']
+
+    exports_sources = [
+        'CMakeLists.txt',
+        'cmake/*',
+        'external/*',
+        'include/*',
+        'src/*',
+    ]
+
+    # For out-of-source build.
+    # https://docs.conan.io/en/latest/reference/build_helpers/cmake.html#configure
+    no_copy_source = True
+
+    def layout(self):
+        cmake_layout(self)
+
+    def config_options(self):
+        if self.settings.os == 'Windows':
+            del self.options.fPIC
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure(variables={'BUILD_TESTING': 'NO'})
+        cmake.build()
+
+    def package(self):
+        cmake = CMake(self)
+        cmake.install()
+
+    def package_info(self):
+        path = f'{self.package_folder}/share/{self.name}/cpp_info.py'
+        with open(path, 'r') as file:
+            exec(file.read(), {}, {'self': self.cpp_info})

examples/example/src/example.cpp

@@ -0,0 +1,8 @@
+#include <cstdio>
+
+#include <xrpl/protocol/BuildInfo.h>
+
+int main(int argc, char const** argv) {
+    std::printf("%s\n", ripple::BuildInfo::getVersionString().c_str());
+    return 0;
+}

external/nudb/conandata.yml

@@ -0,0 +1,10 @@
+sources:
+  "2.0.8":
+    url: "https://github.com/CPPAlliance/NuDB/archive/2.0.8.tar.gz"
+    sha256: "9b71903d8ba111cd893ab064b9a8b6ac4124ed8bd6b4f67250205bc43c7f13a8"
+patches:
+  "2.0.8":
+    - patch_file: "patches/2.0.8-0001-add-include-stdexcept-for-msvc.patch"
+      patch_description: "Fix build for MSVC by including stdexcept"
+      patch_type: "portability"
+      patch_source: "https://github.com/cppalliance/NuDB/pull/100/files"

external/nudb/conanfile.py

@@ -0,0 +1,72 @@
+import os
+
+from conan import ConanFile
+from conan.tools.build import check_min_cppstd
+from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get
+from conan.tools.layout import basic_layout
+
+required_conan_version = ">=1.52.0"
+
+
+class NudbConan(ConanFile):
+    name = "nudb"
+    description = "A fast key/value insert-only database for SSD drives in C++11"
+    license = "BSL-1.0"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/CPPAlliance/NuDB"
+    topics = ("header-only", "KVS", "insert-only")
+
+    package_type = "header-library"
+    settings = "os", "arch", "compiler", "build_type"
+    no_copy_source = True
+
+    @property
+    def _min_cppstd(self):
+        return 11
+
+    def export_sources(self):
+        export_conandata_patches(self)
+
+    def layout(self):
+        basic_layout(self, src_folder="src")
+
+    def requirements(self):
+        self.requires("boost/1.83.0")
+
+    def package_id(self):
+        self.info.clear()
+
+    def validate(self):
+        if self.settings.compiler.cppstd:
+            check_min_cppstd(self, self._min_cppstd)
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def build(self):
+        apply_conandata_patches(self)
+
+    def package(self):
+        copy(self, "LICENSE*",
+             dst=os.path.join(self.package_folder, "licenses"),
+             src=self.source_folder)
+        copy(self, "*",
+             dst=os.path.join(self.package_folder, "include"),
+             src=os.path.join(self.source_folder, "include"))
+
+    def package_info(self):
+        self.cpp_info.bindirs = []
+        self.cpp_info.libdirs = []
+
+        self.cpp_info.set_property("cmake_target_name", "NuDB")
+        self.cpp_info.set_property("cmake_target_aliases", ["NuDB::nudb"])
+        self.cpp_info.set_property("cmake_find_mode", "both")
+
+        self.cpp_info.components["core"].set_property("cmake_target_name", "nudb")
+        self.cpp_info.components["core"].names["cmake_find_package"] = "nudb"
+        self.cpp_info.components["core"].names["cmake_find_package_multi"] = "nudb"
+        self.cpp_info.components["core"].requires = ["boost::thread", "boost::system"]
+
+        # TODO: to remove in conan v2 once cmake_find_package_* generators removed
+        self.cpp_info.names["cmake_find_package"] = "NuDB"
+        self.cpp_info.names["cmake_find_package_multi"] = "NuDB"

external/nudb/patches/2.0.8-0001-add-include-stdexcept-for-msvc.patch

@@ -0,0 +1,24 @@
+diff --git a/include/nudb/detail/stream.hpp b/include/nudb/detail/stream.hpp
+index 6c07bf1..e0ce8ed 100644
+--- a/include/nudb/detail/stream.hpp
++++ b/include/nudb/detail/stream.hpp
+@@ -14,6 +14,7 @@
+ #include <cstdint>
+ #include <cstring>
+ #include <memory>
++#include <stdexcept>
+ 
+ namespace nudb {
+ namespace detail {
+diff --git a/include/nudb/impl/context.ipp b/include/nudb/impl/context.ipp
+index beb7058..ffde0b3 100644
+--- a/include/nudb/impl/context.ipp
++++ b/include/nudb/impl/context.ipp
+@@ -9,6 +9,7 @@
+ #define NUDB_IMPL_CONTEXT_IPP
+ 
+ #include <nudb/detail/store_base.hpp>
++#include <stdexcept>
+ 
+ namespace nudb {
+ 

external/secp256k1/src/secp256k1.c

@@ -526,7 +526,7 @@ static int secp256k1_ecdsa_sign_inner(const secp256k1_context* ctx, secp256k1_sc
             break;
         }
         is_nonce_valid = secp256k1_scalar_set_b32_seckey(&non, nonce32);
-        /* The nonce is still secret here, but it being invalid is is less likely than 1:2^255. */
+        /* The nonce is still secret here, but it being invalid is less likely than 1:2^255. */
         secp256k1_declassify(ctx, &is_nonce_valid, sizeof(is_nonce_valid));
         if (is_nonce_valid) {
             ret = secp256k1_ecdsa_sig_sign(&ctx->ecmult_gen_ctx, r, s, &sec, &msg, &non, recid);

include/xrpl/basics/BasicConfig.h

@@ -20,7 +20,7 @@
 #ifndef RIPPLE_BASICS_BASICCONFIG_H_INCLUDED
 #define RIPPLE_BASICS_BASICCONFIG_H_INCLUDED
 
-#include <ripple/basics/contract.h>
+#include <xrpl/basics/contract.h>
 #include <boost/beast/core/string.hpp>
 #include <boost/lexical_cast.hpp>
 #include <algorithm>

include/xrpl/basics/Buffer.h

@@ -20,7 +20,7 @@
 #ifndef RIPPLE_BASICS_BUFFER_H_INCLUDED
 #define RIPPLE_BASICS_BUFFER_H_INCLUDED
 
-#include <ripple/basics/Slice.h>
+#include <xrpl/basics/Slice.h>
 #include <cassert>
 #include <cstdint>
 #include <cstring>

include/xrpl/basics/CompressionAlgorithms.h

@@ -20,7 +20,7 @@
 #ifndef RIPPLED_COMPRESSIONALGORITHMS_H_INCLUDED
 #define RIPPLED_COMPRESSIONALGORITHMS_H_INCLUDED
 
-#include <ripple/basics/contract.h>
+#include <xrpl/basics/contract.h>
 #include <algorithm>
 #include <cstdint>
 #include <lz4.h>

include/xrpl/basics/CountedObject.h

@@ -20,7 +20,7 @@
 #ifndef RIPPLE_BASICS_COUNTEDOBJECT_H_INCLUDED
 #define RIPPLE_BASICS_COUNTEDOBJECT_H_INCLUDED
 
-#include <ripple/beast/type_name.h>
+#include <xrpl/beast/type_name.h>
 #include <atomic>
 #include <string>
 #include <utility>

include/xrpl/basics/Expected.h

@@ -20,7 +20,7 @@
 #ifndef RIPPLE_BASICS_EXPECTED_H_INCLUDED
 #define RIPPLE_BASICS_EXPECTED_H_INCLUDED
 
-#include <ripple/basics/contract.h>
+#include <xrpl/basics/contract.h>
 
 #include <boost/outcome.hpp>
 
@@ -136,44 +136,49 @@ class [[nodiscard]] Expected
 
 public:
     template <typename U>
-    requires std::convertible_to<U, T> constexpr Expected(U && r)
-        : Base(T(std::forward<U>(r)))
+        requires std::convertible_to<U, T>
+    constexpr Expected(U&& r) : Base(T(std::forward<U>(r)))
     {
     }
 
     template <typename U>
-        requires std::convertible_to<U, E> &&
-        (!std::is_reference_v<U>)constexpr Expected(Unexpected<U> e)
-        : Base(E(std::move(e.value())))
+        requires std::convertible_to<U, E> && (!std::is_reference_v<U>)
+    constexpr Expected(Unexpected<U> e) : Base(E(std::move(e.value())))
     {
     }
 
-    constexpr bool has_value() const
+    constexpr bool
+    has_value() const
     {
         return Base::has_value();
     }
 
-    constexpr T const& value() const
+    constexpr T const&
+    value() const
     {
         return Base::value();
     }
 
-    constexpr T& value()
+    constexpr T&
+    value()
     {
         return Base::value();
     }
 
-    constexpr E const& error() const
+    constexpr E const&
+    error() const
     {
         return Base::error();
     }
 
-    constexpr E& error()
+    constexpr E&
+    error()
     {
         return Base::error();
     }
 
-    constexpr explicit operator bool() const
+    constexpr explicit
+    operator bool() const
     {
         return has_value();
     }
@@ -181,22 +186,26 @@ public:
     // Add operator* and operator-> so the Expected API looks a bit more like
     // what std::expected is likely to look like.  See:
     // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p0323r10.html
-    [[nodiscard]] constexpr T& operator*()
+    [[nodiscard]] constexpr T&
+    operator*()
     {
         return this->value();
     }
 
-    [[nodiscard]] constexpr T const& operator*() const
+    [[nodiscard]] constexpr T const&
+    operator*() const
     {
         return this->value();
     }
 
-    [[nodiscard]] constexpr T* operator->()
+    [[nodiscard]] constexpr T*
+    operator->()
     {
         return &this->value();
     }
 
-    [[nodiscard]] constexpr T const* operator->() const
+    [[nodiscard]] constexpr T const*
+    operator->() const
     {
         return &this->value();
     }
@@ -218,23 +227,25 @@ public:
     }
 
     template <typename U>
-        requires std::convertible_to<U, E> &&
-        (!std::is_reference_v<U>)constexpr Expected(Unexpected<U> e)
-        : Base(E(std::move(e.value())))
+        requires std::convertible_to<U, E> && (!std::is_reference_v<U>)
+    constexpr Expected(Unexpected<U> e) : Base(E(std::move(e.value())))
     {
     }
 
-    constexpr E const& error() const
+    constexpr E const&
+    error() const
     {
         return Base::error();
     }
 
-    constexpr E& error()
+    constexpr E&
+    error()
     {
         return Base::error();
     }
 
-    constexpr explicit operator bool() const
+    constexpr explicit
+    operator bool() const
     {
         return Base::has_value();
     }

include/xrpl/basics/FeeUnits.h

@@ -19,7 +19,7 @@
 #ifndef BASICS_FEES_H_INCLUDED
 #define BASICS_FEES_H_INCLUDED
 
-#include <ripple/basics/XRPAmount.h>
+#include <xrpl/basics/XRPAmount.h>
 #include <boost/multiprecision/cpp_int.hpp>
 #include <limits>
 #include <utility>
@@ -84,13 +84,13 @@ private:
 protected:
     template <class Other>
     static constexpr bool is_compatible_v =
-        std::is_arithmetic_v<Other>&& std::is_arithmetic_v<value_type>&&
-            std::is_convertible_v<Other, value_type>;
+        std::is_arithmetic_v<Other> && std::is_arithmetic_v<value_type> &&
+        std::is_convertible_v<Other, value_type>;
 
     template <class OtherFee, class = enable_if_unit_t<OtherFee>>
     static constexpr bool is_compatiblefee_v =
-        is_compatible_v<typename OtherFee::value_type>&&
-            std::is_same_v<UnitTag, typename OtherFee::unit_type>;
+        is_compatible_v<typename OtherFee::value_type> &&
+        std::is_same_v<UnitTag, typename OtherFee::unit_type>;
 
     template <class Other>
     using enable_if_compatible_t =
@@ -110,7 +110,8 @@ public:
     {
     }
 
-    constexpr TaggedFee& operator=(beast::Zero)
+    constexpr TaggedFee&
+    operator=(beast::Zero)
     {
         fee_ = 0;
         return *this;
@@ -250,7 +251,8 @@ public:
     }
 
     /** Returns true if the amount is not zero */
-    explicit constexpr operator bool() const noexcept
+    explicit constexpr
+    operator bool() const noexcept
     {
         return fee_ != 0;
     }
@@ -344,8 +346,8 @@ constexpr bool can_muldiv_source_v =
 
 template <class Dest, class = enable_if_unit_t<Dest>>
 constexpr bool can_muldiv_dest_v =
-    can_muldiv_source_v<Dest>&&  // Dest is also a source
-        std::is_convertible_v<std::uint64_t, typename Dest::value_type> &&
+    can_muldiv_source_v<Dest> &&  // Dest is also a source
+    std::is_convertible_v<std::uint64_t, typename Dest::value_type> &&
     sizeof(typename Dest::value_type) >= sizeof(std::uint64_t);
 
 template <
@@ -354,8 +356,8 @@ template <
     class = enable_if_unit_t<Source1>,
     class = enable_if_unit_t<Source2>>
 constexpr bool can_muldiv_sources_v =
-    can_muldiv_source_v<Source1>&& can_muldiv_source_v<Source2>&& std::
-        is_same_v<typename Source1::unit_type, typename Source2::unit_type>;
+    can_muldiv_source_v<Source1> && can_muldiv_source_v<Source2> &&
+    std::is_same_v<typename Source1::unit_type, typename Source2::unit_type>;
 
 template <
     class Source1,
@@ -365,7 +367,7 @@ template <
     class = enable_if_unit_t<Source2>,
     class = enable_if_unit_t<Dest>>
 constexpr bool can_muldiv_v =
-    can_muldiv_sources_v<Source1, Source2>&& can_muldiv_dest_v<Dest>;
+    can_muldiv_sources_v<Source1, Source2> && can_muldiv_dest_v<Dest>;
 // Source and Dest can be the same by default
 
 template <

include/xrpl/basics/IOUAmount.h

@@ -20,9 +20,9 @@
 #ifndef RIPPLE_BASICS_IOUAMOUNT_H_INCLUDED
 #define RIPPLE_BASICS_IOUAMOUNT_H_INCLUDED
 
-#include <ripple/basics/LocalValue.h>
-#include <ripple/basics/Number.h>
-#include <ripple/beast/utility/Zero.h>
+#include <xrpl/basics/LocalValue.h>
+#include <xrpl/basics/Number.h>
+#include <xrpl/beast/utility/Zero.h>
 #include <boost/operators.hpp>
 #include <cstdint>
 #include <string>
@@ -82,7 +82,8 @@ public:
     operator<(IOUAmount const& other) const;
 
     /** Returns true if the amount is not zero */
-    explicit operator bool() const noexcept;
+    explicit
+    operator bool() const noexcept;
 
     /** Return the sign of the amount */
     int
@@ -109,7 +110,8 @@ inline IOUAmount::IOUAmount(std::int64_t mantissa, int exponent)
     normalize();
 }
 
-inline IOUAmount& IOUAmount::operator=(beast::Zero)
+inline IOUAmount&
+IOUAmount::operator=(beast::Zero)
 {
     // The -100 is used to allow 0 to sort less than small positive values
     // which will have a large negative exponent.

include/xrpl/basics/KeyCache.h

@@ -20,8 +20,8 @@
 #ifndef RIPPLE_BASICS_KEYCACHE_H
 #define RIPPLE_BASICS_KEYCACHE_H
 
-#include <ripple/basics/TaggedCache.h>
-#include <ripple/basics/base_uint.h>
+#include <xrpl/basics/TaggedCache.h>
+#include <xrpl/basics/base_uint.h>
 
 namespace ripple {
 

include/xrpl/basics/Log.h

@@ -20,8 +20,8 @@
 #ifndef RIPPLE_BASICS_LOG_H_INCLUDED
 #define RIPPLE_BASICS_LOG_H_INCLUDED
 
-#include <ripple/basics/UnorderedContainers.h>
-#include <ripple/beast/utility/Journal.h>
+#include <xrpl/basics/UnorderedContainers.h>
+#include <xrpl/beast/utility/Journal.h>
 #include <boost/beast/core/string.hpp>
 #include <boost/filesystem.hpp>
 #include <fstream>

include/xrpl/basics/MPTAmount.h

@@ -0,0 +1,166 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2024 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#ifndef RIPPLE_BASICS_MPTAMOUNT_H_INCLUDED
+#define RIPPLE_BASICS_MPTAMOUNT_H_INCLUDED
+
+#include <xrpl/basics/contract.h>
+#include <xrpl/basics/safe_cast.h>
+#include <xrpl/beast/utility/Zero.h>
+#include <xrpl/json/json_value.h>
+
+#include <boost/multiprecision/cpp_int.hpp>
+#include <boost/operators.hpp>
+
+#include <cstdint>
+#include <optional>
+#include <string>
+#include <type_traits>
+
+namespace ripple {
+
+class MPTAmount : private boost::totally_ordered<MPTAmount>,
+                  private boost::additive<MPTAmount>,
+                  private boost::equality_comparable<MPTAmount, std::int64_t>,
+                  private boost::additive<MPTAmount, std::int64_t>
+{
+public:
+    using value_type = std::int64_t;
+
+protected:
+    value_type value_;
+
+public:
+    MPTAmount() = default;
+    constexpr MPTAmount(MPTAmount const& other) = default;
+    constexpr MPTAmount&
+    operator=(MPTAmount const& other) = default;
+
+    constexpr explicit MPTAmount(value_type value);
+
+    constexpr MPTAmount& operator=(beast::Zero);
+
+    MPTAmount&
+    operator+=(MPTAmount const& other);
+
+    MPTAmount&
+    operator-=(MPTAmount const& other);
+
+    MPTAmount
+    operator-() const;
+
+    bool
+    operator==(MPTAmount const& other) const;
+
+    bool
+    operator==(value_type other) const;
+
+    bool
+    operator<(MPTAmount const& other) const;
+
+    /** Returns true if the amount is not zero */
+    explicit constexpr
+    operator bool() const noexcept;
+
+    /** Return the sign of the amount */
+    constexpr int
+    signum() const noexcept;
+
+    /** Returns the underlying value. Code SHOULD NOT call this
+        function unless the type has been abstracted away,
+        e.g. in a templated function.
+    */
+    constexpr value_type
+    value() const;
+
+    static MPTAmount
+    minPositiveAmount();
+};
+
+constexpr MPTAmount::MPTAmount(value_type value) : value_(value)
+{
+}
+
+constexpr MPTAmount&
+MPTAmount::operator=(beast::Zero)
+{
+    value_ = 0;
+    return *this;
+}
+
+/** Returns true if the amount is not zero */
+constexpr MPTAmount::operator bool() const noexcept
+{
+    return value_ != 0;
+}
+
+/** Return the sign of the amount */
+constexpr int
+MPTAmount::signum() const noexcept
+{
+    return (value_ < 0) ? -1 : (value_ ? 1 : 0);
+}
+
+/** Returns the underlying value. Code SHOULD NOT call this
+    function unless the type has been abstracted away,
+    e.g. in a templated function.
+*/
+constexpr MPTAmount::value_type
+MPTAmount::value() const
+{
+    return value_;
+}
+
+inline std::string
+to_string(MPTAmount const& amount)
+{
+    return std::to_string(amount.value());
+}
+
+inline MPTAmount
+mulRatio(
+    MPTAmount const& amt,
+    std::uint32_t num,
+    std::uint32_t den,
+    bool roundUp)
+{
+    using namespace boost::multiprecision;
+
+    if (!den)
+        Throw<std::runtime_error>("division by zero");
+
+    int128_t const amt128(amt.value());
+    auto const neg = amt.value() < 0;
+    auto const m = amt128 * num;
+    auto r = m / den;
+    if (m % den)
+    {
+        if (!neg && roundUp)
+            r += 1;
+        if (neg && !roundUp)
+            r -= 1;
+    }
+    if (r > std::numeric_limits<MPTAmount::value_type>::max())
+        Throw<std::overflow_error>("MPT mulRatio overflow");
+    return MPTAmount(r.convert_to<MPTAmount::value_type>());
+}
+
+}  // namespace ripple
+
+#endif  // RIPPLE_BASICS_MPTAMOUNT_H_INCLUDED

include/xrpl/basics/Number.h

@@ -20,7 +20,8 @@
 #ifndef RIPPLE_BASICS_NUMBER_H_INCLUDED
 #define RIPPLE_BASICS_NUMBER_H_INCLUDED
 
-#include <ripple/basics/XRPAmount.h>
+#include <xrpl/basics/MPTAmount.h>
+#include <xrpl/basics/XRPAmount.h>
 #include <cstdint>
 #include <limits>
 #include <ostream>
@@ -40,6 +41,14 @@ class Number
     int exponent_{std::numeric_limits<int>::lowest()};
 
 public:
+    // The range for the mantissa when normalized
+    constexpr static std::int64_t minMantissa = 1'000'000'000'000'000LL;
+    constexpr static std::int64_t maxMantissa = 9'999'999'999'999'999LL;
+
+    // The range for the exponent when normalized
+    constexpr static int minExponent = -32768;
+    constexpr static int maxExponent = 32768;
+
     struct unchecked
     {
         explicit unchecked() = default;
@@ -52,6 +61,7 @@ public:
     explicit constexpr Number(rep mantissa, int exponent, unchecked) noexcept;
 
     Number(XRPAmount const& x);
+    Number(MPTAmount const& x);
 
     constexpr rep
     mantissa() const noexcept;
@@ -88,8 +98,17 @@ public:
     static constexpr Number
     lowest() noexcept;
 
-    explicit operator XRPAmount() const;  // round to nearest, even on tie
-    explicit operator rep() const;        // round to nearest, even on tie
+    /** Conversions to Number are implicit and conversions away from Number
+     *  are explicit. This design encourages and facilitates the use of Number
+     *  as the preferred type for floating point arithmetic as it makes
+     *  "mixed mode" more convenient, e.g. MPTAmount + Number.
+     */
+    explicit
+    operator XRPAmount() const;  // round to nearest, even on tie
+    explicit
+    operator MPTAmount() const;  // round to nearest, even on tie
+    explicit
+    operator rep() const;  // round to nearest, even on tie
 
     friend constexpr bool
     operator==(Number const& x, Number const& y) noexcept
@@ -180,14 +199,6 @@ private:
     constexpr bool
     isnormal() const noexcept;
 
-    // The range for the mantissa when normalized
-    constexpr static std::int64_t minMantissa = 1'000'000'000'000'000LL;
-    constexpr static std::int64_t maxMantissa = 9'999'999'999'999'999LL;
-
-    // The range for the exponent when normalized
-    constexpr static int minExponent = -32768;
-    constexpr static int maxExponent = 32768;
-
     class Guard;
 };
 
@@ -210,6 +221,10 @@ inline Number::Number(XRPAmount const& x) : Number{x.drops()}
 {
 }
 
+inline Number::Number(MPTAmount const& x) : Number{x.value()}
+{
+}
+
 inline constexpr Number::rep
 Number::mantissa() const noexcept
 {

include/xrpl/basics/RangeSet.h

@@ -20,7 +20,7 @@
 #ifndef RIPPLE_BASICS_RANGESET_H_INCLUDED
 #define RIPPLE_BASICS_RANGESET_H_INCLUDED
 
-#include <ripple/beast/core/LexicalCast.h>
+#include <xrpl/beast/core/LexicalCast.h>
 
 #include <boost/algorithm/string.hpp>
 #include <boost/icl/closed_interval.hpp>
@@ -28,6 +28,7 @@
 
 #include <optional>
 #include <string>
+#include <vector>
 
 namespace ripple {
 

include/xrpl/basics/Resolver.h

@@ -23,7 +23,7 @@
 #include <functional>
 #include <vector>
 
-#include <ripple/beast/net/IPEndpoint.h>
+#include <xrpl/beast/net/IPEndpoint.h>
 
 namespace ripple {
 

include/xrpl/basics/ResolverAsio.h

@@ -20,8 +20,8 @@
 #ifndef RIPPLE_BASICS_RESOLVERASIO_H_INCLUDED
 #define RIPPLE_BASICS_RESOLVERASIO_H_INCLUDED
 
-#include <ripple/basics/Resolver.h>
-#include <ripple/beast/utility/Journal.h>
+#include <xrpl/basics/Resolver.h>
+#include <xrpl/beast/utility/Journal.h>
 #include <boost/asio/io_service.hpp>
 
 namespace ripple {

include/xrpl/basics/SHAMapHash.h

@@ -20,7 +20,7 @@
 #ifndef RIPPLE_BASICS_SHAMAP_HASH_H_INCLUDED
 #define RIPPLE_BASICS_SHAMAP_HASH_H_INCLUDED
 
-#include <ripple/basics/base_uint.h>
+#include <xrpl/basics/base_uint.h>
 
 #include <ostream>