113 lines
3.5 KiB
Nim
113 lines
3.5 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 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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options, sequtils, unittest, chronicles,
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./testutil,
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../beacon_chain/spec/[beaconstate, crypto, datatypes, digest, helpers, validator],
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../beacon_chain/[extras, 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 = get_genesis_beacon_state(
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makeInitialDeposits(), 0, Eth1Data(), {})
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genesisBlock = get_initial_beacon_block(genesisState)
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genesisRoot = signing_root(genesisBlock)
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test "Passes from genesis state, no block" & preset():
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var
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state = genesisState
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advanceState(state)
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check:
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state.slot == genesisState.slot + 1
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test "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 = signing_root(genesisBlock)
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new_block = makeBlock(state, previous_block_root, BeaconBlockBody())
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let block_ok = updateState(state, new_block, {})
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check:
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block_ok
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state.slot == genesisState.slot + 1
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test "Passes through epoch update, no block" & preset():
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var
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state = genesisState
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for i in 1..SLOTS_PER_EPOCH.int:
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advanceState(state)
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check:
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state.slot == genesisState.slot + SLOTS_PER_EPOCH
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test "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 = updateState(state, new_block, {})
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check:
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block_ok
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previous_block_root = signing_root(new_block)
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check:
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state.slot == genesisState.slot + SLOTS_PER_EPOCH
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test "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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advanceState(state)
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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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crosslink_committee =
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get_crosslink_committee(state, slot_to_epoch(state.slot), 0, cache)
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attestation = makeAttestation(
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state, previous_block_root, crosslink_committee[0])
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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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while state.slot < GENESIS_SLOT + MIN_ATTESTATION_INCLUSION_DELAY + 1:
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advanceState(state)
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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 updateState(state, new_block, {})
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check:
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state.current_epoch_attestations.len == 1
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while state.slot < 191:
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advanceState(state)
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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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