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Add engine_getBlobsV1 route to cancun #560

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Add engine_getBlobsV1 route to cancun #560

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Add engine_getBlobsV1
dapplion Jul 1, 2024
db83ba0
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dapplion Jul 1, 2024
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21 changes: 20 additions & 1 deletion src/engine/cancun.md
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Expand Up @@ -170,6 +170,25 @@ Refer to the specification for [`engine_getPayloadV2`](./shanghai.md#engine_getp

5. Client software **MAY** use any heuristics to decide whether to set `shouldOverrideBuilder` flag or not. If client software does not implement any heuristic this flag **SHOULD** be set to `false`.

### engine_getBlobsV1

#### Request

* method: `engine_getBlobsV1`
* params:
1. `versionedHashes`: `Array of DATA` - Array of blob transaction versioned hash as defined in [EIP-4844](https://eips.ethereum.org/EIPS/eip-2718)

#### Response

* result: [`BlobsBundleV1`](#BlobsBundleV1) - Bundle with data corresponding to `versionHashes`.
* error: code and message set in case an exception happens while getting the blob transactions.

#### Specification

1. For each item in `versionedHashes` client software **MUST** return the `blob`, `commitment`, and `proof` and bundle them as [`BlobsBundleV1`](#BlobsBundleV1).

2. The call **MUST** return `-38001: Unknown versionedHash` error if the client does not know any of the items in `versionedHashes`.

### Deprecate `engine_exchangeTransitionConfigurationV1`

This document introduces deprecation of [`engine_exchangeTransitionConfigurationV1`](./paris.md#engine_exchangetransitionconfigurationv1). The deprecation is specified as follows:
Expand All @@ -192,4 +211,4 @@ For the following methods:

a validation **MUST** be added:

1. Client software **MUST** return `-38005: Unsupported fork` error if the `timestamp` of payload or payloadAttributes greater or equal to the Cancun activation timestamp.
1. Client software **MUST** return `-38005: Unsupported fork` error if the `timestamp` of payload or payloadAttributes greater or equal to the Cancun activation timestamp.
3 changes: 2 additions & 1 deletion wordlist.txt
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Expand Up @@ -6,6 +6,7 @@ bodiesbyhashv
bytecode
clientversionv
configurationv
getBlobsV
crypto
eip
endian
Expand Down Expand Up @@ -63,4 +64,4 @@ src
https
forkchoiceupdatedresponsev
exitv
depositreceiptv
depositreceiptv
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