nimbus-eth2/tests/mocking/mock_genesis.nim

40 lines
1.4 KiB
Nim

# beacon_chain
# Copyright (c) 2018-2023 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).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
# Mocking a genesis state
# ---------------------------------------------------------------
import
# Specs
../../beacon_chain/spec/[beaconstate, forks, state_transition],
# Mocking procs
./mock_deposits
const mockEth1BlockHash* =
Eth2Digest.fromHex("0x4242424242424242424242424242424242424242")
proc initGenesisState*(
num_validators = 8'u64 * SLOTS_PER_EPOCH,
cfg = defaultRuntimeConfig): ref ForkedHashedBeaconState =
let deposits = mockGenesisBalancedDeposits(
validatorCount = num_validators,
amountInEth = 32, # We create canonical validators with 32 Eth
flags = {}
)
result = (ref ForkedHashedBeaconState)(
kind: ConsensusFork.Phase0,
phase0Data: initialize_hashed_beacon_state_from_eth1(
cfg, mockEth1BlockHash, 0, deposits, {}))
maybeUpgradeState(cfg, result[])
when isMainModule:
# Smoke test
let state = initGenesisState(num_validators = SLOTS_PER_EPOCH)
doAssert state.validators.len == SLOTS_PER_EPOCH