Skip to content

engine: specify bit ordering for the 16-byte custody and cell bitarrays #856

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
edg-l wants to merge 1 commit into
base: main
Choose a base branch
from
Open

engine: specify bit ordering for the 16-byte custody and cell bitarrays #856

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions src/engine/amsterdam.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -210,7 +210,7 @@ This method follows the same specification as [`engine_getPayloadBodiesByRangeV1
* params:
1. `forkchoiceState`: [`ForkchoiceStateV1`](./paris.md#ForkchoiceStateV1).
2. `payloadAttributes`: `Object|null` - Instance of [`PayloadAttributesV4`](#payloadattributesv4) or `null`.
3. `custodyColumns`: `DATA|null`, 16 Bytes - Interpreted as a bitarray of length `CELLS_PER_EXT_BLOB` indicating which column indices form the CL's custody set, or `null` if the CL does not provide custody services.
3. `custodyColumns`: `DATA|null`, 16 Bytes - Interpreted as a bitarray of length `CELLS_PER_EXT_BLOB` indicating which column indices form the CL's custody set, or `null` if the CL does not provide custody services. The value is the SSZ serialization of `BitVector[CELLS_PER_EXT_BLOB]`: column `i` is bit `i % 8` of byte `i / 8`.
* timeout: 8s

#### Response
Expand Down Expand Up @@ -253,7 +253,7 @@ Consensus layer clients **MAY** use this method to fetch blob cells from the exe
* method: `engine_getBlobsV4`
* params:
1. `versioned_blob_hashes`: `Array of DATA`, 32 Bytes - an array of blob versioned hashes.
2. `indices_bitarray`: `DATA`, 16 Bytes - a bitarray denoting the indices of the cells to retrieve.
2. `indices_bitarray`: `DATA`, 16 Bytes - a bitarray denoting the indices of the cells to retrieve. The value is the SSZ serialization of `BitVector[CELLS_PER_EXT_BLOB]`: cell index `i` is bit `i % 8` of byte `i / 8`.
* timeout: 1s

#### Response
Expand Down