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Replace state with its root in execution_state_transition params

This commit is contained in:
Mikhail Kalinin 2021-04-08 15:29:42 +06:00
parent 334a9b2434
commit ac175fd325
1 changed files with 3 additions and 11 deletions
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14
specs/merge/beacon-chain.md
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@ -29,7 +29,6 @@
- [`compute_time_at_slot`](#compute_time_at_slot) - [`compute_time_at_slot`](#compute_time_at_slot)
- [Block processing](#block-processing) - [Block processing](#block-processing)
- [Execution payload processing](#execution-payload-processing) - [Execution payload processing](#execution-payload-processing)
- [`get_execution_state`](#get_execution_state)
- [`execution_state_transition`](#execution_state_transition) - [`execution_state_transition`](#execution_state_transition)
- [`process_execution_payload`](#process_execution_payload) - [`process_execution_payload`](#process_execution_payload)
@ -171,16 +170,9 @@ def process_block(state: BeaconState, block: BeaconBlock) -> None:
#### Execution payload processing #### Execution payload processing
##### `get_execution_state`
*Note*: `ExecutionState` class is an abstract class representing Ethereum execution state.
Let `get_execution_state(execution_state_root: Bytes32) -> ExecutionState` be the function that given the root hash returns a copy of Ethereum execution state.
The body of the function is implementation dependent.
##### `execution_state_transition` ##### `execution_state_transition`
Let `execution_state_transition(execution_state: ExecutionState, execution_payload: ExecutionPayload, timestamp: uint64) -> None` be the transition function of Ethereum execution state. Let `execution_state_transition(execution_state_root: Bytes32, execution_payload: ExecutionPayload, timestamp: uint64) -> None` be the transition function of Ethereum execution state.
The body of the function is implementation dependent. The body of the function is implementation dependent.
*Note*: `execution_state_transition` must throw `AssertionError` if either the transition itself or one of the pre or post conditions has failed. *Note*: `execution_state_transition` must throw `AssertionError` if either the transition itself or one of the pre or post conditions has failed.
@ -203,8 +195,8 @@ def process_execution_payload(state: BeaconState, body: BeaconBlockBody) -> None
assert execution_payload.number == state.latest_execution_payload_header.number + 1 assert execution_payload.number == state.latest_execution_payload_header.number + 1
timestamp = compute_time_at_slot(state, state.slot) timestamp = compute_time_at_slot(state, state.slot)
execution_state = get_execution_state(state.latest_execution_payload_header.state_root) execution_state_root = state.latest_execution_payload_header.state_root
execution_state_transition(execution_state, body.execution_payload, timestamp) execution_state_transition(execution_state_root, body.execution_payload, timestamp)
state.latest_execution_payload_header = ExecutionPayloadHeader( state.latest_execution_payload_header = ExecutionPayloadHeader(
block_hash=execution_payload.block_hash, block_hash=execution_payload.block_hash,