2018-11-28 19:49:03 +00:00
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# beacon_chain
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2019-02-25 14:48:36 +00:00
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# Copyright (c) 2018-2019 Status Research & Development GmbH
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2018-11-28 19:49:03 +00:00
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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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import
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0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
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algorithm, chronicles, math, options, sequtils,
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2019-04-05 14:18:13 +00:00
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../extras, ../ssz, ../beacon_node_types,
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2019-03-27 21:10:15 +00:00
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./bitfield, ./crypto, ./datatypes, ./digest, ./helpers, ./validator,
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tables
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2018-11-28 19:49:03 +00:00
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2019-04-29 16:48:30 +00:00
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# https://github.com/ethereum/eth2.0-specs/blob/v0.6.0/specs/core/0_beacon-chain.md#verify_merkle_branch
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2019-03-18 15:42:42 +00:00
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func verify_merkle_branch(leaf: Eth2Digest, proof: openarray[Eth2Digest], depth: uint64, index: uint64, root: Eth2Digest): bool =
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## Verify that the given ``leaf`` is on the merkle branch ``proof``
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## starting with the given ``root``.
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var
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value = leaf
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buf: array[64, byte]
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for i in 0 ..< depth.int:
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if (index div (1'u64 shl i)) mod 2 != 0:
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buf[0..31] = proof[i.int].data
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buf[32..63] = value.data
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else:
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buf[0..31] = value.data
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buf[32..63] = proof[i.int].data
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value = eth2hash(buf)
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value == root
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0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
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# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#increase_balance
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2019-05-09 12:27:37 +00:00
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func increase_balance*(
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state: var BeaconState, index: ValidatorIndex, delta: Gwei) =
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# Increase validator balance by ``delta``.
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state.balances[index] += delta
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2019-03-08 17:44:31 +00:00
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0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
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# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#decrease_balance
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2019-05-09 12:27:37 +00:00
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func decrease_balance*(
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state: var BeaconState, index: ValidatorIndex, delta: Gwei) =
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# Decrease validator balance by ``delta`` with underflow protection.
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state.balances[index] =
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if delta > state.balances[index]:
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0'u64
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else:
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state.balances[index] - delta
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0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
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# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#deposits
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2019-05-09 12:27:37 +00:00
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func process_deposit*(
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state: var BeaconState, deposit: Deposit, flags: UpdateFlags = {}): bool =
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# Process an Eth1 deposit, registering a validator or increasing its balance.
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2019-03-18 15:42:42 +00:00
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# Verify the Merkle branch
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2019-05-09 12:27:37 +00:00
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# TODO enable this check, but don't use doAssert
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if not verify_merkle_branch(
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hash_tree_root(deposit.data),
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deposit.proof,
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DEPOSIT_CONTRACT_TREE_DEPTH,
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deposit.index,
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state.latest_eth1_data.deposit_root,
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):
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## TODO: a notice-like mechanism which works in a func
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## here and elsewhere, one minimal approach is a check-if-true
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## and return false iff so.
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## obviously, better/more principled ones exist, but
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## generally require broader rearchitecting, and this is what
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## mostly happens now, just haphazardly.
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discard
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# Deposits must be processed in order
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if not (deposit.index == state.deposit_index):
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## TODO see above, re errors
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## it becomes even more important, as one might might sometimes want
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## to flag such things as higher/lower priority. chronicles?
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return false
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2019-03-18 15:42:42 +00:00
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2019-05-09 12:27:37 +00:00
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state.deposit_index += 1
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2018-12-27 23:40:22 +00:00
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2019-03-08 17:44:31 +00:00
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let
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2019-05-09 12:27:37 +00:00
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pubkey = deposit.data.pubkey
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amount = deposit.data.amount
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validator_pubkeys = mapIt(state.validator_registry, it.pubkey)
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index = validator_pubkeys.find(pubkey)
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if index == -1:
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# Verify the deposit signature (proof of possession)
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# TODO should be get_domain(state, DOMAIN_DEPOSIT)
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if skipValidation notin flags and not bls_verify(
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pubkey, signing_root(deposit.data).data, deposit.data.signature,
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3'u64):
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return false
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# Add validator and balance entries
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state.validator_registry.add(Validator(
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2018-12-13 16:00:55 +00:00
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pubkey: pubkey,
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2019-05-09 12:27:37 +00:00
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withdrawal_credentials: deposit.data.withdrawal_credentials,
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activation_eligibility_epoch: FAR_FUTURE_EPOCH,
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2019-01-29 03:22:22 +00:00
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activation_epoch: FAR_FUTURE_EPOCH,
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exit_epoch: FAR_FUTURE_EPOCH,
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2019-02-19 23:07:56 +00:00
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withdrawable_epoch: FAR_FUTURE_EPOCH,
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2019-05-09 12:27:37 +00:00
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effective_balance: min(amount - amount mod EFFECTIVE_BALANCE_INCREMENT,
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MAX_EFFECTIVE_BALANCE)
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))
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2019-04-29 16:48:30 +00:00
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state.balances.add(amount)
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2018-12-13 16:00:55 +00:00
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else:
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2019-05-09 12:27:37 +00:00
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# Increase balance by deposit amount
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increase_balance(state, index.ValidatorIndex, amount)
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2018-12-13 16:00:55 +00:00
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2019-03-24 18:21:23 +00:00
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true
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0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
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# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#get_delayed_activation_exit_epoch
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2019-03-11 15:33:24 +00:00
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func get_delayed_activation_exit_epoch*(epoch: Epoch): Epoch =
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2019-03-12 09:59:43 +00:00
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## Return the epoch at which an activation or exit triggered in ``epoch``
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## takes effect.
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2019-02-19 23:07:56 +00:00
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epoch + 1 + ACTIVATION_EXIT_DELAY
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2019-01-29 03:22:22 +00:00
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0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#get_churn_limit
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
func get_churn_limit(state: BeaconState): uint64 =
|
|
|
|
max(
|
|
|
|
MIN_PER_EPOCH_CHURN_LIMIT,
|
|
|
|
len(get_active_validator_indices(state, get_current_epoch(state))) div
|
|
|
|
CHURN_LIMIT_QUOTIENT
|
|
|
|
).uint64
|
|
|
|
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#initiate_validator_exit
|
2019-02-22 17:53:37 +00:00
|
|
|
func initiate_validator_exit*(state: var BeaconState,
|
|
|
|
index: ValidatorIndex) =
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
# Initiate the validator of the given ``index``.
|
|
|
|
|
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|
|
# Return if validator already initiated exit
|
|
|
|
let validator = addr state.validator_registry[index]
|
|
|
|
if validator.exit_epoch != FAR_FUTURE_EPOCH:
|
|
|
|
return
|
|
|
|
|
|
|
|
# Compute exit queue epoch
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
# TODO try zero-functional here
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
let exit_epochs = mapIt(
|
|
|
|
filterIt(state.validator_registry, it.exit_epoch != FAR_FUTURE_EPOCH),
|
|
|
|
it.exit_epoch)
|
|
|
|
var exit_queue_epoch =
|
|
|
|
max(max(exit_epochs),
|
|
|
|
get_delayed_activation_exit_epoch(get_current_epoch(state)))
|
|
|
|
let exit_queue_churn = foldl(
|
|
|
|
state.validator_registry,
|
|
|
|
a + (if b.exit_epoch == exit_queue_epoch: 1'u64 else: 0'u64),
|
|
|
|
0'u64)
|
|
|
|
|
|
|
|
if exit_queue_churn >= get_churn_limit(state):
|
|
|
|
exit_queue_epoch += 1
|
|
|
|
|
|
|
|
# Set validator exit epoch and withdrawable epoch
|
|
|
|
validator.exit_epoch = exit_queue_epoch
|
|
|
|
validator.withdrawable_epoch =
|
|
|
|
validator.exit_epoch + MIN_VALIDATOR_WITHDRAWABILITY_DELAY
|
2018-12-13 16:00:55 +00:00
|
|
|
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.6.1/specs/core/0_beacon-chain.md#slash_validator
|
|
|
|
func slash_validator*(state: var BeaconState, slashed_index: ValidatorIndex) =
|
|
|
|
# Slash the validator with index ``index``.
|
|
|
|
let current_epoch = get_current_epoch(state)
|
|
|
|
initiate_validator_exit(state, slashed_index)
|
|
|
|
state.validator_registry[slashed_index].slashed = true
|
|
|
|
state.validator_registry[slashed_index].withdrawable_epoch =
|
|
|
|
current_epoch + LATEST_SLASHED_EXIT_LENGTH
|
|
|
|
let slashed_balance =
|
|
|
|
state.validator_registry[slashed_index].effective_balance
|
|
|
|
state.latest_slashed_balances[current_epoch mod LATEST_SLASHED_EXIT_LENGTH] +=
|
|
|
|
slashed_balance
|
2019-02-20 20:35:27 +00:00
|
|
|
|
2019-01-29 03:22:22 +00:00
|
|
|
let
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
proposer_index = get_beacon_proposer_index(state)
|
|
|
|
whistleblower_index = proposer_index
|
|
|
|
whistleblowing_reward = slashed_balance div WHISTLEBLOWING_REWARD_QUOTIENT
|
|
|
|
proposer_reward = whistleblowing_reward div PROPOSER_REWARD_QUOTIENT
|
|
|
|
increase_balance(state, proposer_index, proposer_reward)
|
|
|
|
increase_balance(
|
|
|
|
state, whistleblower_index, whistleblowing_reward - proposer_reward)
|
|
|
|
decrease_balance(state, slashed_index, whistleblowing_reward)
|
2019-01-16 13:39:34 +00:00
|
|
|
|
2019-03-24 18:21:23 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.5.1/specs/core/0_beacon-chain.md#get_temporary_block_header
|
2019-03-16 19:52:37 +00:00
|
|
|
func get_temporary_block_header*(blck: BeaconBlock): BeaconBlockHeader =
|
|
|
|
## Return the block header corresponding to a block with ``state_root`` set
|
|
|
|
## to ``ZERO_HASH``.
|
|
|
|
BeaconBlockHeader(
|
2019-03-27 01:32:35 +00:00
|
|
|
slot: blck.slot,
|
2019-03-16 19:52:37 +00:00
|
|
|
previous_block_root: blck.previous_block_root,
|
|
|
|
state_root: ZERO_HASH,
|
2019-03-25 16:46:31 +00:00
|
|
|
block_body_root: hash_tree_root(blck.body),
|
2019-05-09 12:27:37 +00:00
|
|
|
# signing_root(block) is used for block id purposes so signature is a stub
|
2019-03-21 16:02:50 +00:00
|
|
|
signature: EMPTY_SIGNATURE,
|
|
|
|
)
|
2019-03-16 19:52:37 +00:00
|
|
|
|
2019-03-24 18:21:23 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.5.1/specs/core/0_beacon-chain.md#on-genesis
|
2019-03-16 19:52:37 +00:00
|
|
|
func get_empty_block*(): BeaconBlock =
|
2019-03-24 18:21:23 +00:00
|
|
|
# Nim default values fill this in mostly correctly.
|
2019-03-27 01:32:35 +00:00
|
|
|
BeaconBlock(slot: GENESIS_SLOT)
|
2019-03-16 19:52:37 +00:00
|
|
|
|
2019-02-22 09:56:45 +00:00
|
|
|
func get_genesis_beacon_state*(
|
2019-03-08 17:44:31 +00:00
|
|
|
genesis_validator_deposits: openArray[Deposit],
|
2018-12-19 04:36:10 +00:00
|
|
|
genesis_time: uint64,
|
2019-03-24 18:21:23 +00:00
|
|
|
genesis_eth1_data: Eth1Data,
|
2018-12-27 23:40:22 +00:00
|
|
|
flags: UpdateFlags = {}): BeaconState =
|
2019-02-22 09:56:45 +00:00
|
|
|
## Get the genesis ``BeaconState``.
|
2018-11-29 05:23:40 +00:00
|
|
|
##
|
|
|
|
## Before the beacon chain starts, validators will register in the Eth1 chain
|
|
|
|
## and deposit ETH. When enough many validators have registered, a
|
|
|
|
## `ChainStart` log will be emitted and the beacon chain can start beaconing.
|
|
|
|
##
|
|
|
|
## Because the state root hash is part of the genesis block, the beacon state
|
|
|
|
## must be calculated before creating the genesis block.
|
2018-12-13 16:00:55 +00:00
|
|
|
|
2018-11-29 05:23:40 +00:00
|
|
|
# Induct validators
|
2019-02-20 01:33:58 +00:00
|
|
|
# Not in spec: the system doesn't work unless there are at least SLOTS_PER_EPOCH
|
2018-11-29 22:11:05 +00:00
|
|
|
# validators - there needs to be at least one member in each committee -
|
|
|
|
# good to know for testing, though arguably the system is not that useful at
|
|
|
|
# at that point :)
|
2019-03-08 17:44:31 +00:00
|
|
|
doAssert genesis_validator_deposits.len >= SLOTS_PER_EPOCH
|
2018-11-29 05:23:40 +00:00
|
|
|
|
2018-12-13 16:00:55 +00:00
|
|
|
var state = BeaconState(
|
|
|
|
# Misc
|
2019-01-16 10:21:06 +00:00
|
|
|
slot: GENESIS_SLOT,
|
2018-12-13 16:00:55 +00:00
|
|
|
genesis_time: genesis_time,
|
2019-01-29 03:22:22 +00:00
|
|
|
fork: Fork(
|
2019-01-29 04:15:00 +00:00
|
|
|
previous_version: GENESIS_FORK_VERSION,
|
|
|
|
current_version: GENESIS_FORK_VERSION,
|
2019-01-30 08:41:07 +00:00
|
|
|
epoch: GENESIS_EPOCH,
|
2018-12-13 16:00:55 +00:00
|
|
|
),
|
2018-12-03 21:41:24 +00:00
|
|
|
|
2019-04-29 16:48:30 +00:00
|
|
|
# validator_registry and balances automatically initalized
|
2018-12-03 21:41:24 +00:00
|
|
|
|
2019-01-16 11:39:16 +00:00
|
|
|
# Randomness and committees
|
2019-02-22 09:56:45 +00:00
|
|
|
# latest_randao_mixes automatically initialized
|
2019-01-16 11:39:16 +00:00
|
|
|
|
2018-12-03 21:41:24 +00:00
|
|
|
# Finality
|
2019-03-24 18:21:23 +00:00
|
|
|
# previous_epoch_attestations and current_epoch_attestations automatically
|
|
|
|
# initialized
|
2019-01-29 03:22:22 +00:00
|
|
|
previous_justified_epoch: GENESIS_EPOCH,
|
2019-03-16 19:52:37 +00:00
|
|
|
current_justified_epoch: GENESIS_EPOCH,
|
2019-01-16 11:39:16 +00:00
|
|
|
justification_bitfield: 0,
|
2019-01-29 03:22:22 +00:00
|
|
|
finalized_epoch: GENESIS_EPOCH,
|
2019-03-24 18:21:23 +00:00
|
|
|
finalized_root: ZERO_HASH,
|
2019-02-22 09:56:45 +00:00
|
|
|
|
|
|
|
# Recent state
|
2019-03-24 18:21:23 +00:00
|
|
|
# latest_block_roots, latest_state_roots, latest_active_index_roots,
|
|
|
|
# latest_slashed_balances, and latest_slashed_balances automatically
|
|
|
|
# initialized
|
2019-03-16 19:52:37 +00:00
|
|
|
latest_block_header: get_temporary_block_header(get_empty_block()),
|
2019-03-24 18:21:23 +00:00
|
|
|
|
|
|
|
# Ethereum 1.0 chain data
|
|
|
|
# eth1_data_votes automatically initialized
|
|
|
|
latest_eth1_data: genesis_eth1_data,
|
|
|
|
deposit_index: 0,
|
2018-11-29 05:23:40 +00:00
|
|
|
)
|
|
|
|
|
2019-02-27 13:58:07 +00:00
|
|
|
for i in 0 ..< SHARD_COUNT:
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
state.current_crosslinks[i] = Crosslink(
|
2019-03-13 21:23:01 +00:00
|
|
|
epoch: GENESIS_EPOCH, crosslink_data_root: ZERO_HASH)
|
2019-03-08 17:44:31 +00:00
|
|
|
|
|
|
|
# Process genesis deposits
|
|
|
|
for deposit in genesis_validator_deposits:
|
2019-05-09 12:27:37 +00:00
|
|
|
discard process_deposit(state, deposit, flags)
|
2019-01-16 12:20:44 +00:00
|
|
|
|
2019-03-08 17:44:31 +00:00
|
|
|
# Process genesis activations
|
2019-01-21 18:26:58 +00:00
|
|
|
for validator_index in 0 ..< state.validator_registry.len:
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
let validator = addr state.validator_registry[validator_index]
|
|
|
|
if validator.effective_balance >= MAX_EFFECTIVE_BALANCE:
|
|
|
|
validator.activation_eligibility_epoch = GENESIS_EPOCH
|
|
|
|
validator.activation_epoch = GENESIS_EPOCH
|
2018-12-13 16:00:55 +00:00
|
|
|
|
2019-03-25 16:46:31 +00:00
|
|
|
let genesis_active_index_root = hash_tree_root(
|
2019-05-09 12:27:37 +00:00
|
|
|
get_active_validator_indices(state, GENESIS_EPOCH))
|
2019-02-22 09:56:45 +00:00
|
|
|
for index in 0 ..< LATEST_ACTIVE_INDEX_ROOTS_LENGTH:
|
|
|
|
state.latest_active_index_roots[index] = genesis_active_index_root
|
|
|
|
|
2018-12-13 16:00:55 +00:00
|
|
|
state
|
|
|
|
|
2019-02-21 04:42:17 +00:00
|
|
|
# TODO candidate for spec?
|
2019-03-27 01:32:35 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/0.5.1/specs/core/0_beacon-chain.md#on-genesis
|
2019-02-21 04:42:17 +00:00
|
|
|
func get_initial_beacon_block*(state: BeaconState): BeaconBlock =
|
|
|
|
BeaconBlock(
|
|
|
|
slot: GENESIS_SLOT,
|
2019-03-25 16:46:31 +00:00
|
|
|
state_root: hash_tree_root(state)
|
2019-03-12 09:59:43 +00:00
|
|
|
# parent_root, randao_reveal, eth1_data, signature, and body automatically
|
|
|
|
# initialized to default values.
|
2019-02-21 04:42:17 +00:00
|
|
|
)
|
|
|
|
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#get_attestation_slot
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
func get_attestation_slot*(state: BeaconState,
|
|
|
|
attestation: Attestation|PendingAttestation,
|
|
|
|
committee_count: uint64): Slot =
|
|
|
|
let
|
|
|
|
epoch = attestation.data.target_epoch
|
|
|
|
offset = (attestation.data.shard + SHARD_COUNT -
|
|
|
|
get_epoch_start_shard(state, epoch)) mod SHARD_COUNT
|
|
|
|
result = get_epoch_start_slot(epoch) + offset div (committee_count div SLOTS_PER_EPOCH)
|
|
|
|
|
|
|
|
# This is the slower (O(n)), spec-compatible signature.
|
|
|
|
func get_attestation_slot*(state: BeaconState,
|
|
|
|
attestation: Attestation|PendingAttestation): Slot =
|
|
|
|
let epoch = attestation.data.target_epoch
|
|
|
|
get_attestation_slot(
|
|
|
|
state, attestation, get_epoch_committee_count(state, epoch))
|
|
|
|
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#get_block_root_at_slot
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
func get_block_root_at_slot*(state: BeaconState,
|
|
|
|
slot: Slot): Eth2Digest =
|
2019-02-13 10:26:32 +00:00
|
|
|
# Return the block root at a recent ``slot``.
|
|
|
|
|
2019-03-16 19:52:37 +00:00
|
|
|
doAssert state.slot <= slot + SLOTS_PER_HISTORICAL_ROOT
|
2018-12-14 16:12:39 +00:00
|
|
|
doAssert slot < state.slot
|
2019-03-16 19:52:37 +00:00
|
|
|
state.latest_block_roots[slot mod SLOTS_PER_HISTORICAL_ROOT]
|
2018-11-29 05:23:40 +00:00
|
|
|
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#get_block_root
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
func get_block_root*(state: BeaconState, epoch: Epoch): Eth2Digest =
|
|
|
|
# Return the block root at a recent ``epoch``.
|
|
|
|
get_block_root_at_slot(state, get_epoch_start_slot(epoch))
|
|
|
|
|
2019-03-22 18:33:12 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.5.1/specs/core/0_beacon-chain.md#get_attestation_participants
|
2018-12-04 18:45:30 +00:00
|
|
|
func get_attestation_participants*(state: BeaconState,
|
2018-12-03 21:41:24 +00:00
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|
|
attestation_data: AttestationData,
|
2019-03-20 20:01:48 +00:00
|
|
|
bitfield: BitField): seq[ValidatorIndex] =
|
2019-02-13 10:26:32 +00:00
|
|
|
## Return the participant indices at for the ``attestation_data`` and
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|
|
|
## ``bitfield``.
|
2018-11-29 18:18:12 +00:00
|
|
|
## Attestation participants in the attestation data are called out in a
|
2019-02-13 10:26:32 +00:00
|
|
|
## bit field that corresponds to the committee of the shard at the time;
|
|
|
|
## this function converts it to list of indices in to BeaconState.validators
|
|
|
|
##
|
2018-11-29 18:18:12 +00:00
|
|
|
## Returns empty list if the shard is not found
|
2019-02-07 23:07:15 +00:00
|
|
|
## Return the participant indices at for the ``attestation_data`` and ``bitfield``.
|
2019-02-13 10:26:32 +00:00
|
|
|
##
|
2018-11-29 22:11:05 +00:00
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|
|
# TODO Linear search through shard list? borderline ok, it's a small list
|
|
|
|
# TODO iterator candidate
|
2019-01-26 19:32:10 +00:00
|
|
|
|
2019-03-22 18:33:12 +00:00
|
|
|
# Find the committee in the list with the desired shard
|
2019-02-20 20:35:27 +00:00
|
|
|
let crosslink_committees = get_crosslink_committees_at_slot(
|
2019-03-14 13:33:56 +00:00
|
|
|
state, attestation_data.slot)
|
2019-03-22 18:33:12 +00:00
|
|
|
|
2019-03-09 04:23:14 +00:00
|
|
|
doAssert anyIt(
|
2019-01-26 19:32:10 +00:00
|
|
|
crosslink_committees,
|
2019-02-06 19:37:25 +00:00
|
|
|
it[1] == attestation_data.shard)
|
2019-01-26 19:32:10 +00:00
|
|
|
let crosslink_committee = mapIt(
|
2019-02-06 19:37:25 +00:00
|
|
|
filterIt(crosslink_committees, it.shard == attestation_data.shard),
|
|
|
|
it.committee)[0]
|
2019-02-07 23:07:15 +00:00
|
|
|
|
2019-03-09 04:23:14 +00:00
|
|
|
# TODO this and other attestation-based fields need validation so we don't
|
|
|
|
# crash on a malicious attestation!
|
2019-03-06 14:21:13 +00:00
|
|
|
doAssert verify_bitfield(bitfield, len(crosslink_committee))
|
2019-01-26 19:32:10 +00:00
|
|
|
|
|
|
|
# Find the participating attesters in the committee
|
|
|
|
result = @[]
|
|
|
|
for i, validator_index in crosslink_committee:
|
2019-02-07 23:07:15 +00:00
|
|
|
let aggregation_bit = get_bitfield_bit(bitfield, i)
|
2019-03-20 20:01:48 +00:00
|
|
|
if aggregation_bit:
|
2019-01-26 19:32:10 +00:00
|
|
|
result.add(validator_index)
|
2018-12-04 18:45:30 +00:00
|
|
|
|
2019-04-03 15:46:22 +00:00
|
|
|
iterator get_attestation_participants_cached*(state: BeaconState,
|
2019-03-27 21:10:15 +00:00
|
|
|
attestation_data: AttestationData,
|
|
|
|
bitfield: BitField,
|
2019-04-05 14:18:13 +00:00
|
|
|
cache: var StateCache): ValidatorIndex =
|
2019-03-27 21:10:15 +00:00
|
|
|
## Return the participant indices at for the ``attestation_data`` and
|
|
|
|
## ``bitfield``.
|
|
|
|
## Attestation participants in the attestation data are called out in a
|
|
|
|
## bit field that corresponds to the committee of the shard at the time;
|
|
|
|
## this function converts it to list of indices in to BeaconState.validators
|
|
|
|
##
|
|
|
|
## Returns empty list if the shard is not found
|
|
|
|
## Return the participant indices at for the ``attestation_data`` and ``bitfield``.
|
|
|
|
##
|
|
|
|
# TODO Linear search through shard list? borderline ok, it's a small list
|
|
|
|
# TODO iterator candidate
|
|
|
|
|
|
|
|
# Find the committee in the list with the desired shard
|
2019-04-03 15:46:22 +00:00
|
|
|
# let crosslink_committees = get_crosslink_committees_at_slot_cached(
|
|
|
|
# state, attestation_data.slot, false, crosslink_committees_cached)
|
|
|
|
|
|
|
|
var found = false
|
|
|
|
for crosslink_committee in get_crosslink_committees_at_slot_cached(
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
state, attestation_data.slot, cache):
|
2019-04-03 15:46:22 +00:00
|
|
|
if crosslink_committee.shard == attestation_data.shard:
|
|
|
|
# TODO this and other attestation-based fields need validation so we don't
|
|
|
|
# crash on a malicious attestation!
|
|
|
|
doAssert verify_bitfield(bitfield, len(crosslink_committee.committee))
|
|
|
|
|
|
|
|
# Find the participating attesters in the committee
|
|
|
|
for i, validator_index in crosslink_committee.committee:
|
|
|
|
let aggregation_bit = get_bitfield_bit(bitfield, i)
|
|
|
|
if aggregation_bit:
|
|
|
|
yield validator_index
|
|
|
|
found = true
|
|
|
|
break
|
|
|
|
doAssert found, "Couldn't find crosslink committee"
|
2019-03-27 21:10:15 +00:00
|
|
|
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#get_total_balance
|
2019-03-06 14:21:13 +00:00
|
|
|
func get_total_balance*(state: BeaconState, validators: auto): Gwei =
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
# Return the combined effective balance of an array of ``validators``.
|
|
|
|
foldl(validators, a + state.validator_registry[b].effective_balance, 0'u64)
|
2019-02-22 18:46:45 +00:00
|
|
|
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.6.2/specs/core/0_beacon-chain.md#registry-updates
|
|
|
|
func process_registry_updates*(state: var BeaconState) =
|
|
|
|
# Process activation eligibility and ejections
|
2018-12-27 20:14:37 +00:00
|
|
|
for index, validator in state.validator_registry:
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
if validator.activation_eligibility_epoch == FAR_FUTURE_EPOCH and
|
|
|
|
validator.effective_balance >= MAX_EFFECTIVE_BALANCE:
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
state.validator_registry[index].activation_eligibility_epoch =
|
|
|
|
get_current_epoch(state)
|
2018-12-27 20:14:37 +00:00
|
|
|
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
if is_active_validator(validator, get_current_epoch(state)) and
|
|
|
|
validator.effective_balance <= EJECTION_BALANCE:
|
|
|
|
initiate_validator_exit(state, index.ValidatorIndex)
|
|
|
|
|
|
|
|
## Queue validators eligible for activation and not dequeued for activation
|
|
|
|
## prior to finalized epoch
|
|
|
|
var activation_queue : seq[tuple[a: Epoch, b: int]] = @[]
|
2018-12-27 20:14:37 +00:00
|
|
|
for index, validator in state.validator_registry:
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
if validator.activation_eligibility_epoch != FAR_FUTURE_EPOCH and
|
|
|
|
validator.activation_epoch >=
|
|
|
|
get_delayed_activation_exit_epoch(state.finalized_epoch):
|
|
|
|
activation_queue.add (
|
|
|
|
state.validator_registry[index].activation_eligibility_epoch, index)
|
|
|
|
|
|
|
|
activation_queue.sort(system.cmp)
|
|
|
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|
|
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|
## Dequeued validators for activation up to churn limit (without resetting
|
|
|
|
## activation epoch)
|
|
|
|
let churn_limit = get_churn_limit(state)
|
|
|
|
for i, epoch_and_index in activation_queue:
|
|
|
|
if i.uint64 >= churn_limit:
|
|
|
|
break
|
|
|
|
let
|
|
|
|
(epoch, index) = epoch_and_index
|
|
|
|
validator = addr state.validator_registry[index]
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
if validator.activation_epoch == FAR_FUTURE_EPOCH:
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
validator.activation_epoch =
|
|
|
|
get_delayed_activation_exit_epoch(get_current_epoch(state))
|
2019-01-29 03:22:22 +00:00
|
|
|
|
2019-03-22 18:33:12 +00:00
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.5.1/specs/core/0_beacon-chain.md#attestations
|
2018-12-27 23:40:22 +00:00
|
|
|
proc checkAttestation*(
|
2019-03-28 17:06:43 +00:00
|
|
|
state: BeaconState, attestation: Attestation, flags: UpdateFlags): bool =
|
2018-12-11 17:55:45 +00:00
|
|
|
## Check that an attestation follows the rules of being included in the state
|
2018-12-27 20:14:37 +00:00
|
|
|
## at the current slot. When acting as a proposer, the same rules need to
|
|
|
|
## be followed!
|
2018-12-11 17:55:45 +00:00
|
|
|
|
2019-03-28 17:06:43 +00:00
|
|
|
let stateSlot =
|
|
|
|
if nextSlot in flags: state.slot + 1
|
|
|
|
else: state.slot
|
|
|
|
|
2019-03-21 15:31:36 +00:00
|
|
|
# Can't submit attestations that are too far in history (or in prehistory)
|
2019-03-08 17:44:31 +00:00
|
|
|
if not (attestation.data.slot >= GENESIS_SLOT):
|
|
|
|
warn("Attestation predates genesis slot",
|
|
|
|
attestation_slot = attestation.data.slot,
|
2019-03-28 17:06:43 +00:00
|
|
|
state_slot = humaneSlotNum(stateSlot))
|
2019-03-08 17:44:31 +00:00
|
|
|
return
|
2019-02-25 14:53:01 +00:00
|
|
|
|
2019-03-28 17:06:43 +00:00
|
|
|
if not (stateSlot <= attestation.data.slot + SLOTS_PER_EPOCH):
|
2019-03-21 15:31:36 +00:00
|
|
|
warn("Attestation too old",
|
2019-02-28 21:21:29 +00:00
|
|
|
attestation_slot = humaneSlotNum(attestation.data.slot),
|
2019-03-28 17:06:43 +00:00
|
|
|
state_slot = humaneSlotNum(stateSlot))
|
2018-12-11 17:55:45 +00:00
|
|
|
return
|
|
|
|
|
2019-03-21 15:31:36 +00:00
|
|
|
# Can't submit attestations too quickly
|
|
|
|
if not (
|
2019-03-28 17:06:43 +00:00
|
|
|
attestation.data.slot + MIN_ATTESTATION_INCLUSION_DELAY <= stateSlot):
|
2019-04-06 07:46:07 +00:00
|
|
|
warn("Attestation too new",
|
2019-02-28 21:21:29 +00:00
|
|
|
attestation_slot = humaneSlotNum(attestation.data.slot),
|
2019-03-28 17:06:43 +00:00
|
|
|
state_slot = humaneSlotNum(stateSlot))
|
2018-12-11 17:55:45 +00:00
|
|
|
return
|
|
|
|
|
2019-03-21 15:31:36 +00:00
|
|
|
# # Verify that the justified epoch and root is correct
|
2019-03-28 17:06:43 +00:00
|
|
|
if slot_to_epoch(attestation.data.slot) >= stateSlot.slot_to_epoch():
|
2019-03-21 15:31:36 +00:00
|
|
|
# Case 1: current epoch attestations
|
|
|
|
if not (attestation.data.source_epoch == state.current_justified_epoch):
|
|
|
|
warn("Source epoch is not current justified epoch",
|
|
|
|
attestation_slot = humaneSlotNum(attestation.data.slot),
|
2019-03-28 17:06:43 +00:00
|
|
|
state_slot = humaneSlotNum(stateSlot))
|
2019-03-21 15:31:36 +00:00
|
|
|
return
|
|
|
|
|
|
|
|
if not (attestation.data.source_root == state.current_justified_root):
|
|
|
|
warn("Source root is not current justified root",
|
|
|
|
attestation_slot = humaneSlotNum(attestation.data.slot),
|
2019-03-28 17:06:43 +00:00
|
|
|
state_slot = humaneSlotNum(stateSlot))
|
2019-03-21 15:31:36 +00:00
|
|
|
return
|
|
|
|
else:
|
|
|
|
# Case 2: previous epoch attestations
|
|
|
|
if not (attestation.data.source_epoch == state.previous_justified_epoch):
|
|
|
|
warn("Source epoch is not previous justified epoch",
|
|
|
|
attestation_slot = humaneSlotNum(attestation.data.slot),
|
2019-03-28 17:06:43 +00:00
|
|
|
state_slot = humaneSlotNum(stateSlot))
|
2019-03-21 15:31:36 +00:00
|
|
|
return
|
|
|
|
|
|
|
|
if not (attestation.data.source_root == state.previous_justified_root):
|
|
|
|
warn("Source root is not previous justified root",
|
|
|
|
attestation_slot = humaneSlotNum(attestation.data.slot),
|
2019-03-28 17:06:43 +00:00
|
|
|
state_slot = humaneSlotNum(stateSlot))
|
2019-03-21 15:31:36 +00:00
|
|
|
return
|
2018-12-11 17:55:45 +00:00
|
|
|
|
2019-03-22 18:33:12 +00:00
|
|
|
# Check that the crosslink data is valid
|
|
|
|
let acceptable_crosslink_data = @[
|
|
|
|
# Case 1: Latest crosslink matches the one in the state
|
|
|
|
attestation.data.previous_crosslink,
|
|
|
|
|
|
|
|
# Case 2: State has already been updated, state's latest crosslink matches
|
|
|
|
# the crosslink the attestation is trying to create
|
|
|
|
Crosslink(
|
|
|
|
crosslink_data_root: attestation.data.crosslink_data_root,
|
|
|
|
epoch: slot_to_epoch(attestation.data.slot)
|
|
|
|
)
|
|
|
|
]
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
if not (state.current_crosslinks[attestation.data.shard] in
|
2019-03-22 18:33:12 +00:00
|
|
|
acceptable_crosslink_data):
|
2019-02-27 13:58:07 +00:00
|
|
|
warn("Unexpected crosslink shard",
|
|
|
|
state_latest_crosslinks_attestation_data_shard =
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
state.current_crosslinks[attestation.data.shard],
|
2019-03-18 15:42:42 +00:00
|
|
|
attestation_data_previous_crosslink = attestation.data.previous_crosslink,
|
2019-03-21 15:31:36 +00:00
|
|
|
epoch = humaneEpochNum(slot_to_epoch(attestation.data.slot)),
|
2019-03-22 18:33:12 +00:00
|
|
|
actual_epoch = slot_to_epoch(attestation.data.slot),
|
|
|
|
crosslink_data_root = attestation.data.crosslink_data_root,
|
|
|
|
acceptable_crosslink_data = acceptable_crosslink_data)
|
2018-12-11 17:55:45 +00:00
|
|
|
return
|
|
|
|
|
2019-03-22 18:33:12 +00:00
|
|
|
# Attestation must be nonempty!
|
2019-04-06 07:46:07 +00:00
|
|
|
if not anyIt(attestation.aggregation_bitfield.bits, it != 0):
|
|
|
|
warn("No signature bits")
|
|
|
|
return
|
2019-02-11 14:32:27 +00:00
|
|
|
|
2019-03-22 18:33:12 +00:00
|
|
|
# Custody must be empty (to be removed in phase 1)
|
2019-04-06 07:46:07 +00:00
|
|
|
if not allIt(attestation.custody_bitfield.bits, it == 0):
|
|
|
|
warn("Custody bits set in phase0")
|
|
|
|
return
|
2019-03-22 18:33:12 +00:00
|
|
|
|
|
|
|
# Get the committee for the specific shard that this attestation is for
|
2019-02-11 14:32:27 +00:00
|
|
|
let crosslink_committee = mapIt(
|
2019-03-21 15:31:36 +00:00
|
|
|
filterIt(get_crosslink_committees_at_slot(state, attestation.data.slot),
|
2019-02-11 14:32:27 +00:00
|
|
|
it.shard == attestation.data.shard),
|
|
|
|
it.committee)[0]
|
|
|
|
|
2019-03-22 18:33:12 +00:00
|
|
|
# Custody bitfield must be a subset of the attestation bitfield
|
2019-04-06 07:46:07 +00:00
|
|
|
if not allIt(0 ..< len(crosslink_committee),
|
|
|
|
if not get_bitfield_bit(attestation.aggregation_bitfield, it):
|
|
|
|
not get_bitfield_bit(attestation.custody_bitfield, it)
|
|
|
|
else:
|
|
|
|
true):
|
|
|
|
warn("Wrong custody bits set")
|
|
|
|
return
|
2019-02-11 14:32:27 +00:00
|
|
|
|
2019-03-22 18:33:12 +00:00
|
|
|
# Verify aggregate signature
|
2018-12-11 17:55:45 +00:00
|
|
|
let
|
|
|
|
participants = get_attestation_participants(
|
2019-02-06 20:37:21 +00:00
|
|
|
state, attestation.data, attestation.aggregation_bitfield)
|
2019-02-11 14:32:27 +00:00
|
|
|
|
|
|
|
## TODO when the custody_bitfield assertion-to-emptiness disappears do this
|
|
|
|
## and fix the custody_bit_0_participants check to depend on it.
|
|
|
|
# custody_bit_1_participants = {nothing, always, because assertion above}
|
|
|
|
custody_bit_1_participants: seq[ValidatorIndex] = @[]
|
|
|
|
custody_bit_0_participants = participants
|
|
|
|
|
2018-12-27 23:40:22 +00:00
|
|
|
if skipValidation notin flags:
|
|
|
|
# Verify that aggregate_signature verifies using the group pubkey.
|
2019-04-06 07:46:07 +00:00
|
|
|
if not bls_verify_multiple(
|
2019-02-11 14:32:27 +00:00
|
|
|
@[
|
|
|
|
bls_aggregate_pubkeys(mapIt(custody_bit_0_participants,
|
|
|
|
state.validator_registry[it].pubkey)),
|
|
|
|
bls_aggregate_pubkeys(mapIt(custody_bit_1_participants,
|
|
|
|
state.validator_registry[it].pubkey)),
|
|
|
|
],
|
|
|
|
@[
|
|
|
|
hash_tree_root(AttestationDataAndCustodyBit(
|
|
|
|
data: attestation.data, custody_bit: false)),
|
|
|
|
hash_tree_root(AttestationDataAndCustodyBit(
|
|
|
|
data: attestation.data, custody_bit: true)),
|
|
|
|
],
|
|
|
|
attestation.aggregate_signature,
|
2019-04-29 16:48:30 +00:00
|
|
|
get_domain(state, DOMAIN_ATTESTATION,
|
|
|
|
slot_to_epoch(attestation.data.slot))
|
2019-04-06 07:46:07 +00:00
|
|
|
):
|
|
|
|
warn("Invalid attestation signature")
|
|
|
|
return
|
2018-12-11 17:55:45 +00:00
|
|
|
|
2019-03-22 18:33:12 +00:00
|
|
|
# Crosslink data root is zero (to be removed in phase 1)
|
2019-03-08 17:44:31 +00:00
|
|
|
if attestation.data.crosslink_data_root != ZERO_HASH:
|
|
|
|
warn("Invalid crosslink data root")
|
2018-12-11 17:55:45 +00:00
|
|
|
return
|
|
|
|
|
|
|
|
true
|
2019-02-13 10:26:32 +00:00
|
|
|
|
2019-03-09 04:23:14 +00:00
|
|
|
proc makeAttestationData*(
|
|
|
|
state: BeaconState, shard: uint64,
|
|
|
|
beacon_block_root: Eth2Digest): AttestationData =
|
|
|
|
## Fine points:
|
|
|
|
## Head must be the head state during the slot that validator is
|
|
|
|
## part of committee - notably, it can't be a newer or older state (!)
|
|
|
|
|
|
|
|
let
|
|
|
|
epoch_start_slot = get_epoch_start_slot(slot_to_epoch(state.slot))
|
2019-03-28 17:06:43 +00:00
|
|
|
target_root =
|
2019-03-09 04:23:14 +00:00
|
|
|
if epoch_start_slot == state.slot: beacon_block_root
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
else: get_block_root_at_slot(state, epoch_start_slot)
|
2019-03-09 04:23:14 +00:00
|
|
|
|
|
|
|
AttestationData(
|
2019-03-13 21:23:01 +00:00
|
|
|
slot: state.slot,
|
2019-03-09 04:23:14 +00:00
|
|
|
shard: shard,
|
|
|
|
beacon_block_root: beacon_block_root,
|
2019-03-28 17:06:43 +00:00
|
|
|
target_root: target_root,
|
2019-03-09 04:23:14 +00:00
|
|
|
crosslink_data_root: Eth2Digest(), # Stub in phase0
|
0.6.2 updates (#275)
* update process_justification_and_finalization to 0.6.2; mark AttesterSlashing as 0.6.2
* replace get_effective_balance(...) with state.validator_registry[idx].effective_balance; rm get_effective_balance, process_ejections, should_update_validator_registry, update_validator_registry, and update_registry_and_shuffling_data; update get_total_balance to 0.6.2; implement process_registry_updates
* rm exit_validator; implement is_slashable_attestation_data; partly update processAttesterSlashings
* mark HistoricalBatch and Eth1Data as 0.6.2; implement get_shard_delta(...); replace 0.5 finish_epoch_update with 0.6 process_final_updates
* mark increase_balance, decrease_balance, get_delayed_activation_exit_epoch, bls_aggregate_pubkeys, bls_verify_multiple, Attestation, Transfer, slot_to_epoch, Crosslink, get_current_epoch, int_to_bytes*, various constants, processEth1Data, processTransfers, and verifyStateRoot as 0.6.2; rm is_double_vote and is_surround_vote
* mark get_bitfield_bit, verify_bitfield, ProposerSlashing, DepositData, VoluntaryExit, PendingAttestation, Fork, integer_squareroot, get_epoch_start_slot, is_active_validator, generate_seed, some constants to 0.6.2; rename MIN_PENALTY_QUOTIENT to MIN_SLASHING_PENALTY_QUOTIENT
* rm get_previous_total_balance, get_current_epoch_boundary_attestations, get_previous_epoch_boundary_attestations, and get_previous_epoch_matching_head_attestations
* update BeaconState to 0.6.2; simplify legacy get_crosslink_committees_at_slot infrastructure a bit by noting that registry_change is always false; reimplment 0.5 get_crosslink_committees_at_slot in terms of 0.6 get_crosslink_committee
* mark process_deposit(...), get_block_root_at_slot(...), get_block_root(...), Deposit, BeaconBlockHeader, BeaconBlockBody, hash(...), get_active_index_root(...), various constants, get_shard_delta(...), get_epoch_start_shard(...), get_crosslink_committee(...), processRandao(...), processVoluntaryExits(...), cacheState(...) as 0.6.2
* rm removed-since-0.5 split(...), is_power_of_2(...), get_shuffling(...); rm 0.5 versions of get_active_validator_indices and get_epoch_committee_count; add a few tests for integer_squareroot
* mark bytes_to_int(...) and advanceState(...) as 0.6.2
* rm 0.5 get_attesting_indices; update get_attesting_balance to 0.6.2
* another tiny commit to poke AppVeyor to maybe not timeout at connecting to GitHub partway through CI: mark get_churn_limit(...), initiate_validator_exit(...), and Validator as 0.6.2
* mark get_attestation_slot(...), AttestationDataAndCustodyBit, and BeaconBlock as 0.6.2
2019-06-03 10:31:04 +00:00
|
|
|
previous_crosslink: state.current_crosslinks[shard],
|
2019-03-18 15:42:42 +00:00
|
|
|
source_epoch: state.current_justified_epoch,
|
More 0.6.1 updates (#274)
* implement get_churn_limit from 0.6.1; update initiate_validator_exit and get_previous_epoch to 0.6.1; remove obsoleted/non-spec reduce_balance, replaced by decrease_balance; mark BeaconBlock as 0.6.1
* rename get_block_root to get_block_root_at_slot and introduce epoch-oriented get_block_root; implement get_attestation_slot, get_matching_source_attestations, get_matching_target_attestations, get_matching_head_attestations, 0.6.1 get_attesting_indices, get_unslashed_attesting_indices, get_attestation_deltas, process_rewards_and_penalties; rm get_inactivity_penalty
* update Validator and processVoluntaryExits to 0.6.1; rm obsolete inclusion_slots/inclusion_distances
* rm removed activate_validator; mark DepositData, misc values, Gwei values, Randao processing, state caching as 0.6.1; update GENESIS_SLOT to 64, since it doesn't quite yet work at 0
* mark BeaconBlockHeader as 0.6.1; update BeaconBlockBody to 0.6.1; rename WHISTLEBLOWER_REWARD_QUOTIENT to WHISTLEBLOWING_REWARD_QUOTIENT; update slash_validator to 0.6.1
* implement 0.6.2 is_slashable_validator; update processProposerSlashings to 0.6.2; mark state caching as 0.6.2
* mark get_total_active_balance and process_slashings as 0.6.2; update get_base_reward to 0.6.2
* rm prepare_validator_for_withdrawal, process_exit_queue; mark mainnet misc constants as 0.6.2; update process block header to 0.6.2
* address mratsim's code review comment
2019-05-29 10:08:56 +00:00
|
|
|
source_root: state.current_justified_root,
|
|
|
|
target_epoch: slot_to_epoch(epoch_start_slot)
|
2019-03-09 04:23:14 +00:00
|
|
|
)
|