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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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5
include/xrpl/protocol/detail/sfields.macro
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@@ -195,6 +195,7 @@ TYPED_SFIELD(sfHookNamespace, UINT256, 32)
TYPED_SFIELD(sfHookSetTxnID, UINT256, 33)
TYPED_SFIELD(sfDomainID, UINT256, 34)
TYPED_SFIELD(sfVaultID, UINT256, 35)
TYPED_SFIELD(sfParentBatchID, UINT256, 36)
// number (common)
TYPED_SFIELD(sfNumber, NUMBER, 1)
@@ -357,6 +358,8 @@ UNTYPED_SFIELD(sfXChainClaimAttestationCollectionElement, OBJECT, 30)
UNTYPED_SFIELD(sfXChainCreateAccountAttestationCollectionElement, OBJECT, 31)
UNTYPED_SFIELD(sfPriceData, OBJECT, 32)
UNTYPED_SFIELD(sfCredential, OBJECT, 33)
UNTYPED_SFIELD(sfRawTransaction, OBJECT, 34)
UNTYPED_SFIELD(sfBatchSigner, OBJECT, 35)
// array of objects (common)
// ARRAY/1 is reserved for end of array
@@ -388,3 +391,5 @@ UNTYPED_SFIELD(sfAuthorizeCredentials, ARRAY, 26)
UNTYPED_SFIELD(sfUnauthorizeCredentials, ARRAY, 27)
UNTYPED_SFIELD(sfAcceptedCredentials, ARRAY, 28)
UNTYPED_SFIELD(sfPermissions, ARRAY, 29)
UNTYPED_SFIELD(sfRawTransactions, ARRAY, 30)
UNTYPED_SFIELD(sfBatchSigners, ARRAY, 31, SField::sMD_Default, SField::notSigning)