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pass `cfg` to `ETHBeaconClockCreateFromState` LC API (#6071) 

We don't need the `cfg` right now, but it makes sense to have the object
passed to the clock so that the API doesn't break if we want to support
configurable `SECONDS_PER_SLOT`. As the `libnimbus_lc` library is not
yet widely used, better to add the argument now than later.
This commit is contained in:
Etan Kissling 2024-03-13 13:01:39 +01:00 committed by GitHub
parent 8bd8ffe2bb
commit efb1971d7e
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3 changed files with 10 additions and 6 deletions
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6
beacon_chain/libnimbus_lc/libnimbus_lc.h
View File

@ -211,7 +211,7 @@ typedef struct ETHForkDigests ETHForkDigests;
* Creates a fork digests cache for a given beacon state.
*
* - The fork digests cache must be destroyed with `ETHForkDigestsDestroy`
* once no longer needed, to release memory.
* once no longer needed, to release memory.
*
* @param cfg Ethereum Consensus Layer network configuration.
* @param state Beacon state.
@ -244,13 +244,15 @@ typedef struct ETHBeaconClock ETHBeaconClock;
* - The beacon clock must be destroyed with `ETHBeaconClockDestroy`
* once no longer needed, to release memory.
*
* @param cfg Ethereum Consensus Layer network configuration.
* @param state Beacon state.
*
* @return Pointer to an initialized beacon clock based on the beacon state or
* NULL if the state contained an invalid time.
*/
ETH_RESULT_USE_CHECK
ETHBeaconClock *ETHBeaconClockCreateFromState(const ETHBeaconState *state);
ETHBeaconClock *ETHBeaconClockCreateFromState(
const ETHConsensusConfig *cfg, const ETHBeaconState *state);
/**
* Destroys a beacon clock.

6
beacon_chain/libnimbus_lc/libnimbus_lc.nim
View File

@ -230,6 +230,7 @@ proc ETHForkDigestsDestroy(forkDigests: ptr ForkDigests) {.exported.} =
forkDigests.destroy()
proc ETHBeaconClockCreateFromState(
cfg: ptr RuntimeConfig,
state: ptr ForkedHashedBeaconState): ptr BeaconClock {.exported.} =
## Creates a beacon clock for a given beacon state's `genesis_time` field.
##
@ -237,11 +238,12 @@ proc ETHBeaconClockCreateFromState(
## once no longer needed, to release memory.
##
## Parameters:
## * `cfg` - Ethereum Consensus Layer network configuration.
## * `state` - Beacon state.
##
## Returns:
## * Pointer to an initialized beacon clock based on the beacon state or NULL
## if the state contained an invalid time.
## * Pointer to an initialized beacon clock based on the beacon state or
## NULL if the state contained an invalid time.
let beaconClock = BeaconClock.new()
beaconClock[] =
BeaconClock.init(getStateField(state[], genesis_time)).valueOr:

4
beacon_chain/libnimbus_lc/test_libnimbus_lc.c
View File

@ -1,6 +1,6 @@
/**
* beacon_chain
* Copyright (c) 2023 Status Research & Development GmbH
* Copyright (c) 2023-2024 Status Research & Development GmbH
* Licensed and distributed under either of
* * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
* * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -268,7 +268,7 @@ int main(void)
ETHBeaconState *genesisState = loadGenesis(cfg, __DIR__ "/test_files/genesis.ssz");
ETHRoot *genesisValRoot = ETHBeaconStateCopyGenesisValidatorsRoot(genesisState);
ETHForkDigests *forkDigests = ETHForkDigestsCreateFromState(cfg, genesisState);
ETHBeaconClock *beaconClock = ETHBeaconClockCreateFromState(genesisState);
ETHBeaconClock *beaconClock = ETHBeaconClockCreateFromState(cfg, genesisState);
ETHBeaconStateDestroy(genesisState);
printf("Current slot: %d\n", ETHBeaconClockGetSlot(beaconClock));
printf("\n");