117 lines
3.7 KiB
Nim
117 lines
3.7 KiB
Nim
# beacon_chain
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# Copyright (c) 2018 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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{.used.}
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import
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unittest,
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./testutil, ./testblockutil,
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../beacon_chain/spec/[beaconstate, datatypes, digest, validator],
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../beacon_chain/[state_transition, ssz]
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suite "Block processing" & preset():
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## For now just test that we can compile and execute block processing with
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## mock data.
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let
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# Genesis state with minimal number of deposits
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# TODO bls verification is a bit of a bottleneck here
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genesisState = initialize_beacon_state_from_eth1(
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Eth2Digest(), 0,
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makeInitialDeposits(), {})
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genesisBlock = get_initial_beacon_block(genesisState)
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genesisRoot = hash_tree_root(genesisBlock.message)
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timedTest "Passes from genesis state, no block" & preset():
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var
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state = genesisState
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process_slots(state, state.slot + 1)
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check:
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state.slot == genesisState.slot + 1
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timedTest "Passes from genesis state, empty block" & preset():
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var
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state = genesisState
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previous_block_root = hash_tree_root(genesisBlock.message)
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new_block = makeBlock(state, previous_block_root, BeaconBlockBody())
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let block_ok = state_transition(state, new_block.message, {})
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check:
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block_ok
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state.slot == genesisState.slot + 1
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timedTest "Passes through epoch update, no block" & preset():
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var
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state = genesisState
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process_slots(state, Slot(SLOTS_PER_EPOCH))
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check:
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state.slot == genesisState.slot + SLOTS_PER_EPOCH
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timedTest "Passes through epoch update, empty block" & preset():
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var
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state = genesisState
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previous_block_root = genesisRoot
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for i in 1..SLOTS_PER_EPOCH.int:
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var new_block = makeBlock(state, previous_block_root, BeaconBlockBody())
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let block_ok = state_transition(state, new_block.message, {})
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check:
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block_ok
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previous_block_root = hash_tree_root(new_block.message)
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check:
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state.slot == genesisState.slot + SLOTS_PER_EPOCH
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timedTest "Attestation gets processed at epoch" & preset():
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var
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state = genesisState
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previous_block_root = genesisRoot
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cache = get_empty_per_epoch_cache()
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# Slot 0 is a finalized slot - won't be making attestations for it..
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process_slots(state, state.slot + 1)
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let
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# Create an attestation for slot 1 signed by the only attester we have!
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beacon_committee =
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get_beacon_committee(state, state.slot, 0, cache)
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attestation = makeAttestation(
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state, previous_block_root, beacon_committee[0], cache)
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# Some time needs to pass before attestations are included - this is
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# to let the attestation propagate properly to interested participants
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process_slots(state, GENESIS_SLOT + MIN_ATTESTATION_INCLUSION_DELAY + 1)
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let
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new_block = makeBlock(state, previous_block_root, BeaconBlockBody(
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attestations: @[attestation]
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))
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discard state_transition(state, new_block.message, {})
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check:
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# TODO epoch attestations can get multiplied now; clean up paths to
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# enable exact 1-check again and keep finalization.
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state.current_epoch_attestations.len >= 1
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when const_preset=="minimal":
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# Can take several minutes with mainnet settings
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process_slots(state, Slot(191))
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# Would need to process more epochs for the attestation to be removed from
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# the state! (per above bug)
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#
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# check:
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# state.latest_attestations.len == 0
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