50 lines
1.6 KiB
Nim
50 lines
1.6 KiB
Nim
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# beacon_chain
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# Copyright (c) 2018-2019 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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# Mocking a genesis state
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# ---------------------------------------------------------------
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import
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# Specs
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../../beacon_chain/spec/[datatypes, beaconstate, digest],
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# Internals
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../../beacon_chain/extras,
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# Mocking procs
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./mock_deposits,
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# Helpers
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../helpers/digest_helpers
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proc initGenesisState*(num_validators: uint64, genesis_time: uint64 = 0): BeaconState =
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# EF magic number (similar to https://en.wikipedia.org/wiki/Magic_number_(programming))
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const deposit_root = [byte 0x42] * 32
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let eth1_data = Eth1Data(
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deposit_root: deposit_root,
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deposit_count: num_validators,
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block_hash: ZERO_HASH
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)
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let deposits = mockGenesisBalancedDeposits(
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validatorCount = num_validators,
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amountInEth = 32, # We create canonical validators with 32 Eth
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flags = {skipValidation}
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)
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result = initialize_beacon_state_from_eth1(
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genesis_validator_deposits = deposits,
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genesis_time = 0,
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genesis_eth1_data = eth1_data,
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flags = {skipValidation}
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)
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when isMainModule:
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# Smoke test
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let state = initGenesisState(num_validators = SLOTS_PER_EPOCH)
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doAssert state.validators.len == SLOTS_PER_EPOCH
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