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nimbus-eth2/beacon_chain/rpc/rest_config_api.nim

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# Copyright (c) 2018-2022 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
import stew/[byteutils, base10], chronicles
import ".."/beacon_node,
".."/eth1/eth1_monitor,
".."/spec/forks,
"."/rest_utils
export rest_utils
logScope: topics = "rest_config"
proc installConfigApiHandlers*(router: var RestRouter, node: BeaconNode) =
let
cachedForkSchedule =
RestApiResponse.prepareJsonResponse(getForkSchedule(node.dag.cfg))
cachedConfigSpec =
RestApiResponse.prepareJsonResponse(
(
# https://github.com/ethereum/consensus-specs/blob/v1.0.1/configs/mainnet/phase0.yaml
CONFIG_NAME: node.dag.cfg.name(),
# https://github.com/ethereum/consensus-specs/blob/v1.1.3/presets/mainnet/phase0.yaml
MAX_COMMITTEES_PER_SLOT:
Base10.toString(MAX_COMMITTEES_PER_SLOT),
TARGET_COMMITTEE_SIZE:
Base10.toString(TARGET_COMMITTEE_SIZE),
MAX_VALIDATORS_PER_COMMITTEE:
Base10.toString(MAX_VALIDATORS_PER_COMMITTEE),
SHUFFLE_ROUND_COUNT:
Base10.toString(SHUFFLE_ROUND_COUNT),
HYSTERESIS_QUOTIENT:
Base10.toString(HYSTERESIS_QUOTIENT),
HYSTERESIS_DOWNWARD_MULTIPLIER:
Base10.toString(HYSTERESIS_DOWNWARD_MULTIPLIER),
HYSTERESIS_UPWARD_MULTIPLIER:
Base10.toString(HYSTERESIS_UPWARD_MULTIPLIER),
SAFE_SLOTS_TO_UPDATE_JUSTIFIED:
Base10.toString(SAFE_SLOTS_TO_UPDATE_JUSTIFIED),
MIN_DEPOSIT_AMOUNT:
Base10.toString(MIN_DEPOSIT_AMOUNT),
MAX_EFFECTIVE_BALANCE:
Base10.toString(MAX_EFFECTIVE_BALANCE),
EFFECTIVE_BALANCE_INCREMENT:
Base10.toString(EFFECTIVE_BALANCE_INCREMENT),
MIN_ATTESTATION_INCLUSION_DELAY:
Base10.toString(MIN_ATTESTATION_INCLUSION_DELAY),
SLOTS_PER_EPOCH:
Base10.toString(SLOTS_PER_EPOCH),
MIN_SEED_LOOKAHEAD:
Base10.toString(MIN_SEED_LOOKAHEAD),
MAX_SEED_LOOKAHEAD:
Base10.toString(MAX_SEED_LOOKAHEAD),
EPOCHS_PER_ETH1_VOTING_PERIOD:
Base10.toString(EPOCHS_PER_ETH1_VOTING_PERIOD),
SLOTS_PER_HISTORICAL_ROOT:
Base10.toString(SLOTS_PER_HISTORICAL_ROOT),
MIN_EPOCHS_TO_INACTIVITY_PENALTY:
Base10.toString(MIN_EPOCHS_TO_INACTIVITY_PENALTY),
EPOCHS_PER_HISTORICAL_VECTOR:
Base10.toString(EPOCHS_PER_HISTORICAL_VECTOR),
EPOCHS_PER_SLASHINGS_VECTOR:
Base10.toString(EPOCHS_PER_SLASHINGS_VECTOR),
HISTORICAL_ROOTS_LIMIT:
Base10.toString(HISTORICAL_ROOTS_LIMIT),
VALIDATOR_REGISTRY_LIMIT:
Base10.toString(VALIDATOR_REGISTRY_LIMIT),
BASE_REWARD_FACTOR:
Base10.toString(BASE_REWARD_FACTOR),
WHISTLEBLOWER_REWARD_QUOTIENT:
Base10.toString(WHISTLEBLOWER_REWARD_QUOTIENT),
PROPOSER_REWARD_QUOTIENT:
Base10.toString(PROPOSER_REWARD_QUOTIENT),
INACTIVITY_PENALTY_QUOTIENT:
Base10.toString(INACTIVITY_PENALTY_QUOTIENT),
MIN_SLASHING_PENALTY_QUOTIENT:
Base10.toString(MIN_SLASHING_PENALTY_QUOTIENT),
PROPORTIONAL_SLASHING_MULTIPLIER:
Base10.toString(PROPORTIONAL_SLASHING_MULTIPLIER),
MAX_PROPOSER_SLASHINGS:
Base10.toString(MAX_PROPOSER_SLASHINGS),
MAX_ATTESTER_SLASHINGS:
Base10.toString(MAX_ATTESTER_SLASHINGS),
MAX_ATTESTATIONS:
Base10.toString(MAX_ATTESTATIONS),
MAX_DEPOSITS:
Base10.toString(MAX_DEPOSITS),
MAX_VOLUNTARY_EXITS:
Base10.toString(MAX_VOLUNTARY_EXITS),
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/presets/mainnet/altair.yaml
INACTIVITY_PENALTY_QUOTIENT_ALTAIR:
Base10.toString(INACTIVITY_PENALTY_QUOTIENT_ALTAIR),
MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR:
Base10.toString(MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR),
PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR:
Base10.toString(PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR),
SYNC_COMMITTEE_SIZE:
Base10.toString(uint64(SYNC_COMMITTEE_SIZE)),
EPOCHS_PER_SYNC_COMMITTEE_PERIOD:
Base10.toString(EPOCHS_PER_SYNC_COMMITTEE_PERIOD),
MIN_SYNC_COMMITTEE_PARTICIPANTS:
Base10.toString(uint64(MIN_SYNC_COMMITTEE_PARTICIPANTS)),
# https://github.com/ethereum/consensus-specs/blob/v1.1.3/configs/mainnet.yaml
PRESET_BASE:
node.dag.cfg.PRESET_BASE,
TERMINAL_TOTAL_DIFFICULTY:
toString(node.dag.cfg.TERMINAL_TOTAL_DIFFICULTY),
TERMINAL_BLOCK_HASH:
$node.dag.cfg.TERMINAL_BLOCK_HASH,
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT:
Base10.toString(node.dag.cfg.MIN_GENESIS_ACTIVE_VALIDATOR_COUNT),
MIN_GENESIS_TIME:
Base10.toString(node.dag.cfg.MIN_GENESIS_TIME),
GENESIS_FORK_VERSION:
"0x" & $node.dag.cfg.GENESIS_FORK_VERSION,
GENESIS_DELAY:
Base10.toString(node.dag.cfg.GENESIS_DELAY),
ALTAIR_FORK_VERSION:
"0x" & $node.dag.cfg.ALTAIR_FORK_VERSION,
ALTAIR_FORK_EPOCH:
Base10.toString(uint64(node.dag.cfg.ALTAIR_FORK_EPOCH)),
BELLATRIX_FORK_VERSION:
"0x" & $node.dag.cfg.BELLATRIX_FORK_VERSION,
BELLATRIX_FORK_EPOCH:
Base10.toString(uint64(node.dag.cfg.BELLATRIX_FORK_EPOCH)),
SHARDING_FORK_VERSION:
"0x" & $node.dag.cfg.SHARDING_FORK_VERSION,
SHARDING_FORK_EPOCH:
Base10.toString(uint64(node.dag.cfg.SHARDING_FORK_EPOCH)),
SECONDS_PER_SLOT:
Base10.toString(SECONDS_PER_SLOT),
SECONDS_PER_ETH1_BLOCK:
Base10.toString(node.dag.cfg.SECONDS_PER_ETH1_BLOCK),
MIN_VALIDATOR_WITHDRAWABILITY_DELAY:
Base10.toString(node.dag.cfg.MIN_VALIDATOR_WITHDRAWABILITY_DELAY),
SHARD_COMMITTEE_PERIOD:
Base10.toString(node.dag.cfg.SHARD_COMMITTEE_PERIOD),
ETH1_FOLLOW_DISTANCE:
Base10.toString(node.dag.cfg.ETH1_FOLLOW_DISTANCE),
INACTIVITY_SCORE_BIAS:
Base10.toString(node.dag.cfg.INACTIVITY_SCORE_BIAS),
INACTIVITY_SCORE_RECOVERY_RATE:
Base10.toString(node.dag.cfg.INACTIVITY_SCORE_RECOVERY_RATE),
EJECTION_BALANCE:
Base10.toString(node.dag.cfg.EJECTION_BALANCE),
MIN_PER_EPOCH_CHURN_LIMIT:
Base10.toString(node.dag.cfg.MIN_PER_EPOCH_CHURN_LIMIT),
CHURN_LIMIT_QUOTIENT:
Base10.toString(node.dag.cfg.CHURN_LIMIT_QUOTIENT),
DEPOSIT_CHAIN_ID:
Base10.toString(node.dag.cfg.DEPOSIT_CHAIN_ID),
DEPOSIT_NETWORK_ID:
Base10.toString(node.dag.cfg.DEPOSIT_NETWORK_ID),
DEPOSIT_CONTRACT_ADDRESS:
$node.dag.cfg.DEPOSIT_CONTRACT_ADDRESS,
# https://github.com/ethereum/consensus-specs/blob/v1.1.10/specs/phase0/beacon-chain.md#constants
# GENESIS_SLOT
# GENESIS_EPOCH
# FAR_FUTURE_EPOCH
# BASE_REWARDS_PER_EPOCH
# DEPOSIT_CONTRACT_TREE_DEPTH
# JUSTIFICATION_BITS_LENGTH
# ENDIANNESS
BLS_WITHDRAWAL_PREFIX:
to0xHex([BLS_WITHDRAWAL_PREFIX]),
ETH1_ADDRESS_WITHDRAWAL_PREFIX:
to0xHex([ETH1_ADDRESS_WITHDRAWAL_PREFIX]),
DOMAIN_BEACON_PROPOSER:
to0xHex(DOMAIN_BEACON_PROPOSER.data),
DOMAIN_BEACON_ATTESTER:
to0xHex(DOMAIN_BEACON_ATTESTER.data),
DOMAIN_RANDAO:
to0xHex(DOMAIN_RANDAO.data),
DOMAIN_DEPOSIT:
to0xHex(DOMAIN_DEPOSIT.data),
DOMAIN_VOLUNTARY_EXIT:
to0xHex(DOMAIN_VOLUNTARY_EXIT.data),
DOMAIN_SELECTION_PROOF:
to0xHex(DOMAIN_SELECTION_PROOF.data),
DOMAIN_AGGREGATE_AND_PROOF:
to0xHex(DOMAIN_AGGREGATE_AND_PROOF.data),
# https://github.com/ethereum/consensus-specs/blob/v1.1.10/specs/altair/beacon-chain.md#constants
TIMELY_SOURCE_FLAG_INDEX:
to0xHex([byte(TIMELY_SOURCE_FLAG_INDEX)]),
TIMELY_TARGET_FLAG_INDEX:
to0xHex([byte(TIMELY_TARGET_FLAG_INDEX)]),
TIMELY_HEAD_FLAG_INDEX:
to0xHex([byte(TIMELY_HEAD_FLAG_INDEX)]),
TIMELY_SOURCE_WEIGHT:
Base10.toString(uint64(TIMELY_SOURCE_WEIGHT)),
TIMELY_TARGET_WEIGHT:
Base10.toString(uint64(TIMELY_TARGET_WEIGHT)),
TIMELY_HEAD_WEIGHT:
Base10.toString(uint64(TIMELY_HEAD_WEIGHT)),
SYNC_REWARD_WEIGHT:
Base10.toString(uint64(SYNC_REWARD_WEIGHT)),
PROPOSER_WEIGHT:
Base10.toString(uint64(PROPOSER_WEIGHT)),
WEIGHT_DENOMINATOR:
Base10.toString(uint64(WEIGHT_DENOMINATOR)),
DOMAIN_SYNC_COMMITTEE:
to0xHex(DOMAIN_SYNC_COMMITTEE.data),
DOMAIN_SYNC_COMMITTEE_SELECTION_PROOF:
to0xHex(DOMAIN_SYNC_COMMITTEE_SELECTION_PROOF.data),
DOMAIN_CONTRIBUTION_AND_PROOF:
to0xHex(DOMAIN_CONTRIBUTION_AND_PROOF.data),
# PARTICIPATION_FLAG_WEIGHTS
# https://github.com/ethereum/consensus-specs/blob/v1.1.10/specs/phase0/validator.md#constants
TARGET_AGGREGATORS_PER_COMMITTEE:
Base10.toString(TARGET_AGGREGATORS_PER_COMMITTEE),
RANDOM_SUBNETS_PER_VALIDATOR:
Base10.toString(RANDOM_SUBNETS_PER_VALIDATOR),
EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION:
Base10.toString(EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION),
ATTESTATION_SUBNET_COUNT:
Base10.toString(uint64(ATTESTATION_SUBNET_COUNT)),
# https://github.com/ethereum/consensus-specs/blob/v1.1.10/specs/altair/validator.md#constants
TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE:
Base10.toString(uint64(TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE)),
SYNC_COMMITTEE_SUBNET_COUNT:
Base10.toString(uint64(SYNC_COMMITTEE_SUBNET_COUNT)),
# https://github.com/ethereum/consensus-specs/blob/v1.1.9/specs/bellatrix/beacon-chain.md#transition-settings
TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH:
Base10.toString(uint64(TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH)),
)
)
cachedDepositContract =
RestApiResponse.prepareJsonResponse(
(
chain_id: $node.dag.cfg.DEPOSIT_CHAIN_ID,
address: $node.dag.cfg.DEPOSIT_CONTRACT_ADDRESS
)
)
# https://ethereum.github.io/beacon-APIs/#/Config/getForkSchedule
router.api(MethodGet,
"/eth/v1/config/fork_schedule") do () -> RestApiResponse:
return RestApiResponse.response(cachedForkSchedule, Http200,
"application/json")
# https://ethereum.github.io/beacon-APIs/#/Config/getSpec
router.api(MethodGet,
"/eth/v1/config/spec") do () -> RestApiResponse:
return RestApiResponse.response(cachedConfigSpec, Http200,
"application/json")
# https://ethereum.github.io/beacon-APIs/#/Config/getDepositContract
router.api(MethodGet,
"/eth/v1/config/deposit_contract") do () -> RestApiResponse:
return RestApiResponse.response(cachedDepositContract, Http200,
"application/json")
# Legacy URLS - Nimbus <= 1.5.5 used to expose the REST API with an additional
# `/api` path component
router.redirect(
MethodGet,
"/api/eth/v1/config/fork_schedule",
"/eth/v1/config/fork_schedule"
)
router.redirect(
MethodGet,
"/api/eth/v1/config/spec",
"/eth/v1/config/spec"
)
router.redirect(
MethodGet,
"/api/eth/v1/config/deposit_contract",
"/eth/v1/config/deposit_contract"
)
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