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Fix exchangeCapabilities examples #374

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Feb 3, 2023
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Fix exchangeCapabilities examples #374

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6 changes: 3 additions & 3 deletions src/engine/common.md
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Expand Up @@ -164,13 +164,13 @@ Execution layer clients **MUST** support `engine_exchangeCapabilities` method, w

2. Request and response lists **MUST** contain Engine API methods that are currently supported by consensus and execution client software respectively. Name of each method in both lists **MUST** include suffixed version. Consider the following examples:
* Client software of both layers currently supports `V1` and `V2` versions of `engine_newPayload` method:
* params: `["engine_newPayloadV1", "engine_newPayloadV2", ...]`,
* params: `[["engine_newPayloadV1", "engine_newPayloadV2", ...]]`,
* response: `["engine_newPayloadV1", "engine_newPayloadV2", ...]`.
* `V1` method has been deprecated and `V3` method has been introduced on execution layer side since the last call:
* params: `["engine_newPayloadV1", "engine_newPayloadV2", ...]`,
* params: `[["engine_newPayloadV1", "engine_newPayloadV2", ...]]`,
* response: `["engine_newPayloadV2", "engine_newPayloadV3", ...]`.
* The same capabilities modification has happened in consensus layer client, so, both clients have the same capability set again:
* params: `["engine_newPayloadV2", "engine_newPayloadV3", ...]`,
* params: `[["engine_newPayloadV2", "engine_newPayloadV3", ...]]`,
* response: `["engine_newPayloadV2", "engine_newPayloadV3", ...]`.

3. The `engine_exchangeCapabilities` method **MUST NOT** be returned in the response list.