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Add Batch feature (XLS-56) (#5060)

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- Specification: [XRPLF/XRPL-Standards 56](https://github.com/XRPLF/XRPL-Standards/blob/master/XLS-0056d-batch/README.md)
- Amendment: `Batch`
- Implements execution of multiple transactions within a single batch transaction with four execution modes: `tfAllOrNothing`, `tfOnlyOne`, `tfUntilFailure`, and `tfIndependent`.
- Enables atomic multi-party transactions where multiple accounts can participate in a single batch, with up to 8 inner transactions and 8 batch signers per batch transaction.
- Inner transactions use `tfInnerBatchTxn` flag with zero fees, no signature, and empty signing public key.
- Inner transactions are applied after the outer batch succeeds via the `applyBatchTransactions` function in apply.cpp.
- Network layer prevents relay of transactions with `tfInnerBatchTxn` flag - each peer applies inner transactions locally from the batch.
- Batch transactions are excluded from AccountDelegate permissions but inner transactions retain full delegation support.
- Metadata includes `ParentBatchID` linking inner transactions to their containing batch for traceability and auditing.
- Extended STTx with batch-specific signature verification methods and added protocol structures (`sfRawTransactions`, `sfBatchSigners`).
This commit is contained in:
Denis Angell
2025-05-23 21:53:53 +02:00
committed by GitHub
parent 40ce8a8833
commit 2a61aee562
69 changed files with 6400 additions and 744 deletions
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18
include/xrpl/protocol/TxFlags.h
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@@ -58,7 +58,8 @@ namespace ripple {
// clang-format off
// Universal Transaction flags:
constexpr std::uint32_t tfFullyCanonicalSig = 0x80000000;
constexpr std::uint32_t tfUniversal = tfFullyCanonicalSig;
constexpr std::uint32_t tfInnerBatchTxn = 0x40000000;
constexpr std::uint32_t tfUniversal = tfFullyCanonicalSig | tfInnerBatchTxn;
constexpr std::uint32_t tfUniversalMask = ~tfUniversal;
// AccountSet flags:
@@ -97,6 +98,7 @@ constexpr std::uint32_t tfPassive = 0x00010000;
constexpr std::uint32_t tfImmediateOrCancel = 0x00020000;
constexpr std::uint32_t tfFillOrKill = 0x00040000;
constexpr std::uint32_t tfSell = 0x00080000;
constexpr std::uint32_t tfOfferCreateMask =
~(tfUniversal | tfPassive | tfImmediateOrCancel | tfFillOrKill | tfSell);
@@ -239,6 +241,20 @@ constexpr std::uint32_t const tfVaultPrivate = 0x00010000;
static_assert(tfVaultPrivate == lsfVaultPrivate);
constexpr std::uint32_t const tfVaultShareNonTransferable = 0x00020000;
constexpr std::uint32_t const tfVaultCreateMask = ~(tfUniversal | tfVaultPrivate | tfVaultShareNonTransferable);
// Batch Flags:
constexpr std::uint32_t tfAllOrNothing = 0x00010000;
constexpr std::uint32_t tfOnlyOne = 0x00020000;
constexpr std::uint32_t tfUntilFailure = 0x00040000;
constexpr std::uint32_t tfIndependent = 0x00080000;
/**
* @note If nested Batch transactions are supported in the future, the tfInnerBatchTxn flag
* will need to be removed from this mask to allow Batch transaction to be inside
* the sfRawTransactions array.
*/
constexpr std::uint32_t const tfBatchMask =
~(tfUniversal | tfAllOrNothing | tfOnlyOne | tfUntilFailure | tfIndependent) | tfInnerBatchTxn;
// clang-format on
} // namespace ripple