327 lines
12 KiB
Nim
327 lines
12 KiB
Nim
# beacon_chain
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# Copyright (c) 2021-2024 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.push raises: [].}
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{.used.}
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import
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testutils/unittests,
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chronos, eth/keys, eth/p2p/discoveryv5/enr,
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../beacon_chain/spec/[forks, network],
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../beacon_chain/networking/[eth2_network, eth2_discovery],
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./testutil
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proc new(T: type Eth2DiscoveryProtocol,
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pk: keys.PrivateKey,
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enrIp: Option[IpAddress], enrTcpPort, enrUdpPort: Option[Port],
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bindPort: Port, bindIp: IpAddress,
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enrFields: openArray[(string, seq[byte])] = [],
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rng: ref HmacDrbgContext): T =
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newProtocol(pk, enrIp, enrTcpPort, enrUdpPort, enrFields,
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bindPort = bindPort, bindIp = bindIp, rng = rng)
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proc generateNode(rng: ref HmacDrbgContext, port: Port,
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enrFields: openArray[(string, seq[byte])] = []): Eth2DiscoveryProtocol =
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let ip =
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try:
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parseIpAddress("127.0.0.1")
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except ValueError:
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raiseAssert "Argument is a valid IP address"
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Eth2DiscoveryProtocol.new(keys.PrivateKey.random(rng[]),
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some(ip), some(port), some(port), port, ip, enrFields, rng = rng)
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# TODO: Add tests with a syncnets preference
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const noSyncnetsPreference = SyncnetBits()
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procSuite "Eth2 specific discovery tests":
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let
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rng = HmacDrbgContext.new()
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enrForkId = ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 0, 0, 0, 0]),
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next_fork_epoch: Epoch(0))
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asyncTest "Subnet query":
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var attnets: AttnetBits
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attnets.setBit(34)
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let
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node1 = generateNode(rng, Port(5000))
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node2 = generateNode(rng, Port(5001), {
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enrForkIdField: SSZ.encode(enrForkId),
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enrAttestationSubnetsField: SSZ.encode(attnets)
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})
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node1.open()
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node2.open()
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# ping in one direction to add node2 to routing table of node1
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check (await node2.ping(node1.localNode)).isOk()
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var attnetsSelected: AttnetBits
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attnetsSelected.setBit(42)
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attnetsSelected.setBit(34)
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let discovered = await node1.queryRandom(
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enrForkId, attnetsSelected, noSyncnetsPreference, 1)
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check discovered.len == 1
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await node1.closeWait()
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await node2.closeWait()
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asyncTest "Invalid attnets field":
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var invalidAttnets: BitArray[ATTESTATION_SUBNET_COUNT.int div 2]
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invalidAttnets.setBit(15)
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# TODO: This doesn't fail actually.
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# var invalidAttnets2: BitArray[ATTESTATION_SUBNET_COUNT.int * 2]
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# invalidAttnets2.setBit(15)
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var attnets: AttnetBits
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attnets.setBit(15)
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let
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node1 = generateNode(rng, Port(5000))
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node2 = generateNode(rng, Port(5001), {
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enrForkIdField: SSZ.encode(enrForkId),
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enrAttestationSubnetsField: SSZ.encode(invalidAttnets)
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})
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node3 = generateNode(rng, Port(5002), {
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enrForkIdField: SSZ.encode(enrForkId),
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enrAttestationSubnetsField: SSZ.encode(attnets)
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})
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node1.open()
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node2.open()
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node3.open()
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check (await node2.ping(node1.localNode)).isOk()
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check (await node3.ping(node1.localNode)).isOk()
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var attnetsSelected: AttnetBits
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attnetsSelected.setBit(15)
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attnetsSelected.setBit(42)
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let discovered = await node1.queryRandom(
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enrForkId, attnetsSelected, noSyncnetsPreference, 1)
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check discovered.len == 1
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await node1.closeWait()
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await node2.closeWait()
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await node3.closeWait()
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asyncTest "Subnet query after ENR update":
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var attnets: AttnetBits
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attnets.setBit(1)
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let
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node1 = generateNode(rng, Port(5000))
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node2 = generateNode(rng, Port(5001), {
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enrForkIdField: SSZ.encode(enrForkId),
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enrAttestationSubnetsField: SSZ.encode(attnets)
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})
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node1.open()
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node2.open()
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check (await node2.ping(node1.localNode)).isOk()
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var attnetsSelected: AttnetBits
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attnetsSelected.setBit(2)
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block:
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let discovered = await node1.queryRandom(
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enrForkId, attnetsSelected, noSyncnetsPreference, 1)
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check discovered.len == 0
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block:
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attnets.setBit(2)
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check node2.updateRecord({
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enrForkIdField: SSZ.encode(enrForkId),
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enrAttestationSubnetsField: SSZ.encode(attnets)
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}).isOk()
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let nodes = await node1.findNode(node2.localNode, @[0'u16])
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check nodes.isOk() and nodes[].len > 0
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discard node1.addNode(nodes[][0])
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let discovered = await node1.queryRandom(
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enrForkId, attnetsSelected, noSyncnetsPreference, 1)
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check discovered.len == 1
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await node1.closeWait()
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await node2.closeWait()
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suite "Fork id compatibility test":
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test "Digest check":
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check false == isCompatibleForkId(
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ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 0, 0, 0, 0]),
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next_fork_epoch: Epoch(0)),
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ENRForkID(
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fork_digest: ForkDigest([byte 9, 9, 9, 9]),
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next_fork_version: Version([byte 0, 0, 0, 0]),
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next_fork_epoch: Epoch(0)))
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check true == isCompatibleForkId(
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ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 0, 0, 0, 0]),
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next_fork_epoch: Epoch(0)),
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ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 0, 0, 0, 0]),
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next_fork_epoch: Epoch(0)))
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test "Fork check":
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# Future fork should work
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check true == isCompatibleForkId(
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ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 0, 0, 0, 0]),
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next_fork_epoch: Epoch(0)),
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ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 2, 2, 2, 2]),
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next_fork_epoch: Epoch(2)))
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# Past fork should fail
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check false == isCompatibleForkId(
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ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 0, 0, 0, 1]),
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next_fork_epoch: Epoch(0)),
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ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 0, 0, 0, 0]),
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next_fork_epoch: Epoch(0)))
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test "Next fork epoch check":
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# Same fork should check next_fork_epoch
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check false == isCompatibleForkId(
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ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 0, 0, 0, 0]),
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next_fork_epoch: Epoch(0)),
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ENRForkID(
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fork_digest: ForkDigest([byte 0, 1, 2, 3]),
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next_fork_version: Version([byte 0, 0, 0, 0]),
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next_fork_epoch: Epoch(2)))
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suite "Discovery fork ID":
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test "Expected fork IDs":
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let genesis_validators_root = ZERO_HASH
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var cfg = defaultRuntimeConfig
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cfg.ALTAIR_FORK_EPOCH = 5.Epoch
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cfg.BELLATRIX_FORK_EPOCH = 10.Epoch
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let
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# Phase 0
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phase0ForkId = block:
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let
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current_fork_version = cfg.GENESIS_FORK_VERSION
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next_fork_version = current_fork_version
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fork_digest = compute_fork_digest(
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current_fork_version, genesis_validators_root)
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forkId = ENRForkID(
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fork_digest: fork_digest,
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next_fork_version: next_fork_version,
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next_fork_epoch: FAR_FUTURE_EPOCH)
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for epoch in GENESIS_EPOCH ..< cfg.ALTAIR_FORK_EPOCH - 1:
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check cfg.getDiscoveryForkID(epoch, genesis_validators_root) == forkId
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forkId
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# Altair should become visible 1 epoch before the fork
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phase0AltairForkId = block:
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let
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current_fork_version = cfg.GENESIS_FORK_VERSION
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next_fork_version = cfg.ALTAIR_FORK_VERSION
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fork_digest = compute_fork_digest(
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current_fork_version, genesis_validators_root)
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forkId = ENRForkID(
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fork_digest: fork_digest,
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next_fork_version: next_fork_version,
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next_fork_epoch: cfg.ALTAIR_FORK_EPOCH)
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for epoch in cfg.ALTAIR_FORK_EPOCH - 1 ..< cfg.ALTAIR_FORK_EPOCH:
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check cfg.getDiscoveryForkID(epoch, genesis_validators_root) == forkId
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forkId
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# Altair
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altairForkId = block:
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let
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current_fork_version = cfg.ALTAIR_FORK_VERSION
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next_fork_version = current_fork_version
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fork_digest = compute_fork_digest(
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current_fork_version, genesis_validators_root)
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forkId = ENRForkID(
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fork_digest: fork_digest,
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next_fork_version: next_fork_version,
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next_fork_epoch: FAR_FUTURE_EPOCH)
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for epoch in cfg.ALTAIR_FORK_EPOCH ..< cfg.BELLATRIX_FORK_EPOCH - 1:
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check cfg.getDiscoveryForkID(epoch, genesis_validators_root) == forkId
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forkId
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# Bellatrix should become visible 1 epoch before the fork
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altairBellatrixForkId = block:
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let
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current_fork_version = cfg.ALTAIR_FORK_VERSION
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next_fork_version = cfg.BELLATRIX_FORK_VERSION
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fork_digest = compute_fork_digest(
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current_fork_version, genesis_validators_root)
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forkId = ENRForkID(
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fork_digest: fork_digest,
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next_fork_version: next_fork_version,
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next_fork_epoch: cfg.BELLATRIX_FORK_EPOCH)
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for epoch in cfg.BELLATRIX_FORK_EPOCH - 1 ..< cfg.BELLATRIX_FORK_EPOCH:
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check cfg.getDiscoveryForkID(epoch, genesis_validators_root) == forkId
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forkId
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# Bellatrix
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bellatrixForkId = block:
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let
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current_fork_version = cfg.BELLATRIX_FORK_VERSION
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next_fork_version = current_fork_version
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fork_digest = compute_fork_digest(
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current_fork_version, genesis_validators_root)
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forkId = ENRForkID(
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fork_digest: fork_digest,
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next_fork_version: next_fork_version,
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next_fork_epoch: FAR_FUTURE_EPOCH)
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for epoch in cfg.BELLATRIX_FORK_EPOCH ..< cfg.BELLATRIX_FORK_EPOCH + 5:
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check cfg.getDiscoveryForkID(epoch, genesis_validators_root) == forkId
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forkId
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check: # isCompatibleForkId(ourForkId, peerForkId)
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isCompatibleForkId(phase0ForkId, phase0ForkId)
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isCompatibleForkId(phase0ForkId, phase0AltairForkId)
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not isCompatibleForkId(phase0ForkId, altairForkId)
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not isCompatibleForkId(phase0ForkId, altairBellatrixForkId)
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not isCompatibleForkId(phase0ForkId, bellatrixForkId)
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not isCompatibleForkId(phase0AltairForkId, phase0ForkId) # fork -1 epoch
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isCompatibleForkId(phase0AltairForkId, phase0AltairForkId)
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not isCompatibleForkId(phase0AltairForkId, altairForkId)
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not isCompatibleForkId(phase0AltairForkId, altairBellatrixForkId)
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not isCompatibleForkId(phase0AltairForkId, bellatrixForkId)
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not isCompatibleForkId(altairForkId, phase0ForkId)
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not isCompatibleForkId(altairForkId, phase0AltairForkId)
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isCompatibleForkId(altairForkId, altairForkId)
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isCompatibleForkId(altairForkId, altairBellatrixForkId)
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not isCompatibleForkId(altairForkId, bellatrixForkId)
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not isCompatibleForkId(altairBellatrixForkId, phase0ForkId)
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not isCompatibleForkId(altairBellatrixForkId, phase0AltairForkId)
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not isCompatibleForkId(altairBellatrixForkId, altairForkId) # fork -1 ep
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isCompatibleForkId(altairBellatrixForkId, altairBellatrixForkId)
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not isCompatibleForkId(altairBellatrixForkId, bellatrixForkId)
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not isCompatibleForkId(bellatrixForkId, phase0ForkId)
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not isCompatibleForkId(bellatrixForkId, phase0AltairForkId)
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not isCompatibleForkId(bellatrixForkId, altairForkId)
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not isCompatibleForkId(bellatrixForkId, altairBellatrixForkId)
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isCompatibleForkId(bellatrixForkId, bellatrixForkId)
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