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engine: specify behaviour for an oversized aggregated inclusion list #864

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engine: specify behaviour for an oversized aggregated inclusion list
Marchhill Aug 20, 2026
e5a3daa
engine: state the aggregate bound without the committee size
Marchhill Sep 4, 2026
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5 changes: 5 additions & 0 deletions src/engine/bogota.md
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Expand Up @@ -38,6 +38,7 @@ This specification is based on and extends [Engine API - Amsterdam](./amsterdam.
| Name | Value |
| - | - |
| `MAX_TRANSACTIONS_BYTES_PER_INCLUSION_LIST` | `uint64(8192) = 2**13` |
| `MAX_TRANSACTIONS_BYTES_PER_AGGREGATED_INCLUSION_LIST` | `uint64(131072) = 2**17` |

## Structures

Expand Down Expand Up @@ -107,6 +108,8 @@ This method follows the same specification as [`engine_newPayloadV5`](./amsterda

3. Client software **MUST** retain `inclusionListTransactions` for a payload with `ACCEPTED` status. Client software **MAY** discard them once the payload is no longer the tip of a branch.

4. Client software **MUST** return `-32602: Invalid params` error if the sum of the byte lengths of the entries of `inclusionListTransactions` exceeds `MAX_TRANSACTIONS_BYTES_PER_AGGREGATED_INCLUSION_LIST`.

### engine_getInclusionListV1

#### Request
Expand Down Expand Up @@ -156,6 +159,8 @@ This method follows the same specification as [`engine_forkchoiceUpdatedV4`](./a

2. `payloadAttributes.timestamp` does not fall within the time frame of the Bogota fork, return `-38005: Unsupported fork` on failure.

3. The sum of the byte lengths of the entries of `payloadAttributes.inclusionListTransactions` does not exceed `MAX_TRANSACTIONS_BYTES_PER_AGGREGATED_INCLUSION_LIST`, return `-38003: Invalid payload attributes` on failure.

2. Extend point (9) of the `engine_forkchoiceUpdatedV1` [specification](./paris.md#specification-1) by defining `payloadStatus.inclusionListSatisfied`:

1. If the payload referenced by `forkchoiceState.headBlockHash` is deemed `VALID`, `payloadStatus.inclusionListSatisfied` **MUST** be set to whether the payload satisfied the inclusion list constraints.
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