JWT support (#3561)
This commit is contained in:
tersec
GitHub
parent
f89c604fb0
commit
a18b39c9c1
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@ -497,10 +497,16 @@ type
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proposerBoosting* {.
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hidden
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desc: "Enable proposer boosting; temporary option feature gate (debugging; option will be removed)",
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desc: "Enable proposer boosting; temporary option feature gate (debugging; option may be removed without warning)",
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defaultValue: false
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name: "proposer-boosting-debug" }: bool
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useJwt* {.
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hidden
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desc: "Enable JWT authentication headers; temporary option feature gate (debugging; option may be remove without warning)",
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defaultValue: false
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name: "use-jwt-debug" }: bool
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# https://github.com/ethereum/consensus-specs/blob/v1.1.10/sync/optimistic.md#fork-choice-poisoning
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safeSlotsToImportOptimistically* {.
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hidden
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@ -23,6 +23,9 @@ import
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".."/[beacon_chain_db, beacon_node_status, beacon_clock],
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./merkle_minimal
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from std/times import getTime, inSeconds, initTime, `-`
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from ../spec/engine_authentication import getSignedIatToken
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export
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web3Types, deques
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@ -107,7 +110,7 @@ type
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eth1Network: Option[Eth1Network]
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depositContractAddress*: Eth1Address
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forcePolling: bool
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jwtSecret: seq[byte]
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jwtSecret: Option[seq[byte]]
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dataProvider: Web3DataProviderRef
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latestEth1Block: Option[FullBlockId]
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@ -117,6 +120,7 @@ type
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runFut: Future[void]
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stopFut: Future[void]
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getBeaconTime: GetBeaconTimeFn
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when hasGenesisDetection:
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genesisValidators: seq[ImmutableValidatorData]
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@ -862,13 +866,28 @@ proc getBlockProposalData*(chain: var Eth1Chain,
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template getBlockProposalData*(m: Eth1Monitor,
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state: ForkedHashedBeaconState,
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finalizedEth1Data: Eth1Data,
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finalizedStateDepositIndex: uint64): BlockProposalEth1Data =
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getBlockProposalData(m.depositsChain, state, finalizedEth1Data, finalizedStateDepositIndex)
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finalizedStateDepositIndex: uint64):
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BlockProposalEth1Data =
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getBlockProposalData(
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m.depositsChain, state, finalizedEth1Data, finalizedStateDepositIndex)
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proc getJsonRpcRequestHeaders(jwtSecret: Option[seq[byte]]):
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auto =
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if jwtSecret.isSome:
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let secret = jwtSecret.get
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(proc(): seq[(string, string)] =
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# https://www.rfc-editor.org/rfc/rfc6750#section-6.1.1
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@[("Authorization", "Bearer " & getSignedIatToken(
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secret, (getTime() - initTime(0, 0)).inSeconds))])
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else:
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(proc(): seq[(string, string)] = @[])
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proc new*(T: type Web3DataProvider,
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depositContractAddress: Eth1Address,
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web3Url: string): Future[Result[Web3DataProviderRef, string]] {.async.} =
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let web3Fut = newWeb3(web3Url)
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web3Url: string,
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jwtSecret: Option[seq[byte]]):
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Future[Result[Web3DataProviderRef, string]] {.async.} =
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let web3Fut = newWeb3(web3Url, getJsonRpcRequestHeaders(jwtSecret))
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yield web3Fut or sleepAsync(chronos.seconds(10))
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if (not web3Fut.finished) or web3Fut.failed:
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await cancelAndWait(web3Fut)
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@ -905,10 +924,12 @@ proc init*(T: type Eth1Chain, cfg: RuntimeConfig, db: BeaconChainDB): T =
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proc createInitialDepositSnapshot*(
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depositContractAddress: Eth1Address,
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depositContractDeployedAt: BlockHashOrNumber,
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web3Url: string): Future[Result[DepositContractSnapshot, string]] {.async.} =
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web3Url: string,
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jwtSecret: Option[seq[byte]]): Future[Result[DepositContractSnapshot, string]]
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{.async.} =
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let dataProviderRes =
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await Web3DataProvider.new(depositContractAddress, web3Url)
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await Web3DataProvider.new(depositContractAddress, web3Url, jwtSecret)
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if dataProviderRes.isErr:
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return err(dataProviderRes.error)
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var dataProvider = dataProviderRes.get
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@ -929,11 +950,12 @@ proc createInitialDepositSnapshot*(
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proc init*(T: type Eth1Monitor,
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cfg: RuntimeConfig,
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db: BeaconChainDB,
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getBeaconTime: GetBeaconTimeFn,
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web3Urls: seq[string],
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depositContractSnapshot: Option[DepositContractSnapshot],
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eth1Network: Option[Eth1Network],
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forcePolling: bool,
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jwtSecret: seq[byte]): T =
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jwtSecret: Option[seq[byte]]): T =
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doAssert web3Urls.len > 0
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var web3Urls = web3Urls
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for url in mitems(web3Urls):
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@ -945,6 +967,7 @@ proc init*(T: type Eth1Monitor,
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T(state: Initialized,
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depositsChain: Eth1Chain.init(cfg, db),
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depositContractAddress: cfg.DEPOSIT_CONTRACT_ADDRESS,
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getBeaconTime: getBeaconTime,
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web3Urls: web3Urls,
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eth1Network: eth1Network,
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eth1Progress: newAsyncEvent(),
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@ -973,7 +996,8 @@ proc detectPrimaryProviderComingOnline(m: Eth1Monitor) {.async.} =
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while m.runFut == initialRunFut:
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let tempProviderRes = await Web3DataProvider.new(
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m.depositContractAddress,
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web3Url)
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web3Url,
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m.jwtSecret)
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if tempProviderRes.isErr:
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await sleepAsync(checkInterval)
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@ -1007,7 +1031,8 @@ proc ensureDataProvider*(m: Eth1Monitor) {.async.} =
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inc m.startIdx
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m.dataProvider = block:
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let v = await Web3DataProvider.new(m.depositContractAddress, web3Url)
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let v = await Web3DataProvider.new(
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m.depositContractAddress, web3Url, m.jwtSecret)
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if v.isErr():
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raise (ref CatchableError)(msg: v.error())
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v.get()
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@ -1382,8 +1407,10 @@ proc start(m: Eth1Monitor, delayBeforeStart: Duration) {.gcsafe.} =
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proc start*(m: Eth1Monitor) =
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m.start(0.seconds)
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proc getEth1BlockHash*(url: string, blockId: RtBlockIdentifier): Future[BlockHash] {.async.} =
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let web3 = await newWeb3(url)
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proc getEth1BlockHash*(
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url: string, blockId: RtBlockIdentifier, jwtSecret: Option[seq[byte]]):
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Future[BlockHash] {.async.} =
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let web3 = await newWeb3(url, getJsonRpcRequestHeaders(jwtSecret))
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try:
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let blk = awaitWithRetries(
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web3.provider.eth_getBlockByNumber(blockId, false))
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@ -1392,7 +1419,8 @@ proc getEth1BlockHash*(url: string, blockId: RtBlockIdentifier): Future[BlockHas
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await web3.close()
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proc testWeb3Provider*(web3Url: Uri,
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depositContractAddress: Eth1Address) {.async.} =
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depositContractAddress: Eth1Address,
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jwtSecret: Option[seq[byte]]) {.async.} =
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template mustSucceed(action: static string, expr: untyped): untyped =
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try: expr
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except CatchableError as err:
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@ -1401,7 +1429,8 @@ proc testWeb3Provider*(web3Url: Uri,
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let
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web3 = mustSucceed "connect to web3 provider":
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await newWeb3($web3Url)
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await newWeb3(
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$web3Url, getJsonRpcRequestHeaders(jwtSecret))
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networkVersion = mustSucceed "get network version":
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awaitWithRetries web3.provider.net_version()
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latestBlock = mustSucceed "get latest block":
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@ -405,6 +405,15 @@ proc init*(T: type BeaconNode,
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fatal "--finalized-checkpoint-block cannot be specified without --finalized-checkpoint-state"
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quit 1
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let jwtSecret = rng[].checkJwtSecret(string(config.dataDir), config.jwtSecret)
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if jwtSecret.isErr:
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fatal "Specified a JWT secret file which couldn't be loaded",
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err = jwtSecret.error
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quit 1
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# The JWT secret created always exists, it just might not always be used
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let optJwtSecret = if config.useJwt: some jwtSecret.get else: none(seq[byte])
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template getDepositContractSnapshot: auto =
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if depositContractSnapshot.isSome:
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depositContractSnapshot
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@ -412,7 +421,8 @@ proc init*(T: type BeaconNode,
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let snapshotRes = waitFor createInitialDepositSnapshot(
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cfg.DEPOSIT_CONTRACT_ADDRESS,
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depositContractDeployedAt,
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config.web3Urls[0])
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config.web3Urls[0],
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optJwtSecret)
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if snapshotRes.isErr:
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fatal "Failed to locate the deposit contract deployment block",
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depositContract = cfg.DEPOSIT_CONTRACT_ADDRESS,
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@ -423,12 +433,6 @@ proc init*(T: type BeaconNode,
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else:
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none(DepositContractSnapshot)
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let jwtSecret = rng[].checkJwtSecret(string(config.dataDir), config.jwtSecret)
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if jwtSecret.isErr:
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fatal "Specified a JWT secret file which couldn't be loaded",
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err = jwtSecret.error
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quit 1
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var eth1Monitor: Eth1Monitor
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if not ChainDAGRef.isInitialized(db).isOk():
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var
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@ -453,11 +457,12 @@ proc init*(T: type BeaconNode,
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let eth1Monitor = Eth1Monitor.init(
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cfg,
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db,
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nil,
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config.web3Urls,
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getDepositContractSnapshot(),
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eth1Network,
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config.web3ForcePolling,
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jwtSecret.get)
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optJwtSecret)
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eth1Monitor.loadPersistedDeposits()
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@ -539,6 +544,7 @@ proc init*(T: type BeaconNode,
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validatorMonitor, networkGenesisValidatorsRoot)
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beaconClock = BeaconClock.init(
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getStateField(dag.headState, genesis_time))
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getBeaconTime = beaconClock.getBeaconTimeFn()
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if config.weakSubjectivityCheckpoint.isSome:
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dag.checkWeakSubjectivityCheckpoint(
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@ -548,11 +554,12 @@ proc init*(T: type BeaconNode,
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eth1Monitor = Eth1Monitor.init(
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cfg,
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db,
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getBeaconTime,
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config.web3Urls,
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getDepositContractSnapshot(),
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eth1Network,
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config.web3ForcePolling,
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jwtSecret.get)
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optJwtSecret)
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let rpcServer = if config.rpcEnabled:
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RpcServer.init(config.rpcAddress, config.rpcPort)
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@ -612,7 +619,6 @@ proc init*(T: type BeaconNode,
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netKeys = getPersistentNetKeys(rng[], config)
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nickname = if config.nodeName == "auto": shortForm(netKeys)
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else: config.nodeName
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getBeaconTime = beaconClock.getBeaconTimeFn()
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network = createEth2Node(
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rng, config, netKeys, cfg, dag.forkDigests, getBeaconTime,
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getStateField(dag.headState, genesis_validators_root))
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@ -1742,11 +1748,22 @@ proc doCreateTestnet*(config: BeaconNodeConf, rng: var BrHmacDrbgContext) {.rais
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for i in 0 ..< launchPadDeposits.len:
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deposits.add(launchPadDeposits[i] as DepositData)
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let jwtSecret = rng.checkJwtSecret(string(config.dataDir), config.jwtSecret)
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if jwtSecret.isErr:
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fatal "Specified a JWT secret file which couldn't be loaded",
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err = jwtSecret.error
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quit 1
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let
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startTime = uint64(times.toUnix(times.getTime()) + config.genesisOffset)
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outGenesis = config.outputGenesis.string
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eth1Hash = if config.web3Urls.len == 0: eth1BlockHash
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else: (waitFor getEth1BlockHash(config.web3Urls[0], blockId("latest"))).asEth2Digest
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else: (waitFor getEth1BlockHash(
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config.web3Urls[0], blockId("latest"),
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if config.useJwt:
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some jwtSecret.get
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else:
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none(seq[byte]))).asEth2Digest
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cfg = getRuntimeConfig(config.eth2Network)
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var
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initialState = newClone(initialize_beacon_state_from_eth1(
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@ -1819,12 +1836,25 @@ proc doRecord(config: BeaconNodeConf, rng: var BrHmacDrbgContext) {.
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of RecordCmd.print:
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echo $config.recordPrint
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proc doWeb3Cmd(config: BeaconNodeConf) {.raises: [Defect, CatchableError].} =
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proc doWeb3Cmd(config: BeaconNodeConf, rng: var BrHmacDrbgContext)
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{.raises: [Defect, CatchableError].} =
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case config.web3Cmd:
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of Web3Cmd.test:
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let metadata = config.loadEth2Network()
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let
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metadata = config.loadEth2Network()
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jwtSecret = rng.checkJwtSecret(string(config.dataDir), config.jwtSecret)
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if jwtSecret.isErr:
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fatal "Specified a JWT secret file which couldn't be loaded",
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err = jwtSecret.error
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quit 1
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waitFor testWeb3Provider(config.web3TestUrl,
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metadata.cfg.DEPOSIT_CONTRACT_ADDRESS)
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metadata.cfg.DEPOSIT_CONTRACT_ADDRESS,
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if config.useJwt:
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some jwtSecret.get
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else:
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none(seq[byte]))
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proc doSlashingExport(conf: BeaconNodeConf) {.raises: [IOError, Defect].}=
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let
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@ -1889,7 +1919,7 @@ proc handleStartUpCmd(config: var BeaconNodeConf) {.raises: [Defect, CatchableEr
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of BNStartUpCmd.deposits: doDeposits(config, rng[])
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of BNStartUpCmd.wallets: doWallets(config, rng[])
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of BNStartUpCmd.record: doRecord(config, rng[])
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of BNStartUpCmd.web3: doWeb3Cmd(config)
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of BNStartUpCmd.web3: doWeb3Cmd(config, rng[])
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of BNStartUpCmd.slashingdb: doSlashingInterchange(config)
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of BNStartupCmd.trustedNodeSync:
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let
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@ -19,7 +19,7 @@ proc base64urlEncode(x: auto): string =
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# encoding quirks.
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base64.encode(x, safe = true).replace("=", "")
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func getIatToken*(time: uint64): JsonNode =
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func getIatToken*(time: int64): JsonNode =
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# https://github.com/ethereum/execution-apis/blob/v1.0.0-alpha.8/src/engine/authentication.md#jwt-claims
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# "Required: iat (issued-at) claim. The EL SHOULD only accept iat timestamps
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# which are within +-5 seconds from the current time."
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@ -46,7 +46,7 @@ proc getSignedToken*(key: openArray[byte], payload: string): string =
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signingInput & "." & base64_urlencode(sha256.hmac(key, signingInput).data)
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proc getSignedIatToken*(key: openArray[byte], time: uint64): string =
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proc getSignedIatToken*(key: openArray[byte], time: int64): string =
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getSignedToken(key, $getIatToken(time))
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proc checkJwtSecret*(
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@ -74,11 +74,12 @@ proc checkJwtSecret*(
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rng.brHmacDrbgGenerate(newSecret)
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try:
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writeFile(jwtSecretPath, newSecret.to0xHex())
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except IOError as e:
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except IOError as exc:
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# Allow continuing to run, though this is effectively fatal for a merge
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# client using authentication. This keeps it lower-risk initially.
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warn "Could not write JWT secret to data directory",
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jwtSecretPath
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jwtSecretPath,
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err = exc.msg
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return ok(newSecret)
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try:
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|
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@ -15,27 +15,27 @@ import
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suite "engine API authentication":
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test "getIatToken":
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check:
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$getIatToken(0) == "{\"iat\":0}"
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$getIatToken(1) == "{\"iat\":1}"
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$getIatToken(2) == "{\"iat\":2}"
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$getIatToken(14) == "{\"iat\":14}"
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$getIatToken(60) == "{\"iat\":60}"
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$getIatToken(95) == "{\"iat\":95}"
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$getIatToken(487) == "{\"iat\":487}"
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$getIatToken(529) == "{\"iat\":529}"
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$getIatToken(666) == "{\"iat\":666}"
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$getIatToken(2669) == "{\"iat\":2669}"
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$getIatToken(6082) == "{\"iat\":6082}"
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$getIatToken(6234) == "{\"iat\":6234}"
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$getIatToken(230158) == "{\"iat\":230158}"
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$getIatToken(675817) == "{\"iat\":675817}"
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$getIatToken(695159) == "{\"iat\":695159}"
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$getIatToken(19257188) == "{\"iat\":19257188}"
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$getIatToken(52639657) == "{\"iat\":52639657}"
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$getIatToken(71947005) == "{\"iat\":71947005}"
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$getIatToken(1169144470) == "{\"iat\":1169144470}"
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$getIatToken(2931679730'u64) == "{\"iat\":2931679730}"
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$getIatToken(3339327695'u64) == "{\"iat\":3339327695}"
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$getIatToken(0) == "{\"iat\":0}"
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$getIatToken(1) == "{\"iat\":1}"
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$getIatToken(2) == "{\"iat\":2}"
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$getIatToken(14) == "{\"iat\":14}"
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$getIatToken(60) == "{\"iat\":60}"
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$getIatToken(95) == "{\"iat\":95}"
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$getIatToken(487) == "{\"iat\":487}"
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$getIatToken(529) == "{\"iat\":529}"
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$getIatToken(666) == "{\"iat\":666}"
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$getIatToken(2669) == "{\"iat\":2669}"
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$getIatToken(6082) == "{\"iat\":6082}"
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$getIatToken(6234) == "{\"iat\":6234}"
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$getIatToken(230158) == "{\"iat\":230158}"
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$getIatToken(675817) == "{\"iat\":675817}"
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$getIatToken(695159) == "{\"iat\":695159}"
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$getIatToken(19257188) == "{\"iat\":19257188}"
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$getIatToken(52639657) == "{\"iat\":52639657}"
|
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$getIatToken(71947005) == "{\"iat\":71947005}"
|
||||
$getIatToken(1169144470) == "{\"iat\":1169144470}"
|
||||
$getIatToken(2931679730) == "{\"iat\":2931679730}"
|
||||
$getIatToken(3339327695) == "{\"iat\":3339327695}"
|
||||
|
||||
test "HS256 JWS signing":
|
||||
let secret = mapIt("secret", byte(it))
|
||||
|
|
@ -71,5 +71,5 @@ suite "engine API authentication":
|
|||
getSignedIatToken(secret, 52639657) == "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjUyNjM5NjU3fQ.O0cI2U_kEW1MbWyXcAh146mRU2CwzMNegAQit_1-TNU"
|
||||
getSignedIatToken(secret, 71947005) == "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjcxOTQ3MDA1fQ.pQwPWxMHzWGvTTfRfWKiGX8qEI2NcZbnB3ruh4Wcftg"
|
||||
getSignedIatToken(secret, 1169144470) == "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjExNjkxNDQ0NzB9.5JS0pVVh1g8hxO_PDQpwCvFnh1tdRtodpALXU1xol4I"
|
||||
getSignedIatToken(secret, 2931679730'u64) == "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjI5MzE2Nzk3MzB9.0ZR8DiVy6Y_pOleGC9Ti3M8ShtH5hyCBhceO1C2OTj0"
|
||||
getSignedIatToken(secret, 3339327695'u64) == "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjMzMzkzMjc2OTV9.ZRYaNrsvcIzppVeNorYUgEmVXcwOOQbqPlCQcoAaO4k"
|
||||
getSignedIatToken(secret, 2931679730) == "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjI5MzE2Nzk3MzB9.0ZR8DiVy6Y_pOleGC9Ti3M8ShtH5hyCBhceO1C2OTj0"
|
||||
getSignedIatToken(secret, 3339327695) == "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjMzMzkzMjc2OTV9.ZRYaNrsvcIzppVeNorYUgEmVXcwOOQbqPlCQcoAaO4k"
|
||||
|
|
|
|||
Loading…
Reference in New Issue