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https://github.com/status-im/nimbus-eth2.git
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f70ff38b53
Some upstream repos still need fixes, but this gets us close enough that style hints can be enabled by default. In general, "canonical" spellings are preferred even if they violate nep-1 - this applies in particular to spec-related stuff like `genesis_validators_root` which appears throughout the codebase.
57 lines
2.0 KiB
Nim
57 lines
2.0 KiB
Nim
# beacon_chain
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# Copyright (c) 2018-2021 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 https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://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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{.push raises: [Defect].}
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import
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stew/endians2, stint,
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./extras,
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spec/[eth2_merkleization, keystore, signatures],
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spec/datatypes/base
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func get_eth1data_stub*(deposit_count: uint64, current_epoch: Epoch): Eth1Data =
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# https://github.com/ethereum/eth2.0-pm/blob/e596c70a19e22c7def4fd3519e20ae4022349390/interop/mocked_eth1data/README.md
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let
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voting_period = current_epoch.uint64 div EPOCHS_PER_ETH1_VOTING_PERIOD
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Eth1Data(
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deposit_root: hash_tree_root(voting_period),
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deposit_count: deposit_count,
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block_hash: hash_tree_root(hash_tree_root(voting_period).data),
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)
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func makeInteropPrivKey*(i: int): ValidatorPrivKey =
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var bytes: array[32, byte]
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bytes[0..7] = uint64(i).toBytesLE()
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# BLS381-12 curve order - same as milagro but formatted differently
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const curveOrder =
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u256"52435875175126190479447740508185965837690552500527637822603658699938581184513"
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let
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privkeyBytes = eth2digest(bytes)
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key = (UInt256.fromBytesLE(privkeyBytes.data) mod curveOrder).toBytesBE()
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ValidatorPrivKey.fromRaw(key).get
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const eth1BlockHash* = block:
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var x: Eth2Digest
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for v in x.data.mitems: v = 0x42
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x
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func makeDeposit*(
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preset: RuntimeConfig,
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pubkey: ValidatorPubKey, privkey: ValidatorPrivKey, epoch = 0.Epoch,
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amount: Gwei = MAX_EFFECTIVE_BALANCE.Gwei,
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flags: UpdateFlags = {}): DepositData =
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result = DepositData(
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amount: amount,
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pubkey: pubkey,
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withdrawal_credentials: makeWithdrawalCredentials(pubkey))
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if skipBlsValidation notin flags:
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result.signature = preset.get_deposit_signature(result, privkey).toValidatorSig()
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