50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
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from eth2spec.utils.ssz.ssz_impl import signing_root
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from eth2spec.test.context import with_all_phases, spec_state_test
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from eth2spec.test.helpers.block import build_empty_block_for_next_slot
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from eth2spec.test.helpers.attestations import get_valid_attestation
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from eth2spec.test.helpers.state import next_slot
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@with_all_phases
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@spec_state_test
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def test_basic(spec, state):
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# Initialization
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store = spec.get_genesis_store(state)
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time = 100
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spec.on_tick(store, time)
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assert store.time == time
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# On receiving a block of `GENESIS_SLOT + 1` slot
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block = build_empty_block_for_next_slot(state)
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spec.on_block(store, block)
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assert store.blocks[signing_root(block)] == block
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# On receiving a block of next epoch
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store.time = time + spec.SECONDS_PER_SLOT * spec.SLOTS_PER_EPOCH
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block = build_empty_block_for_next_slot(state)
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block.slot += spec.SLOTS_PER_EPOCH
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spec.on_block(store, block)
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assert store.blocks[signing_root(block)] == block
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# TODO: add tests for justified_root and finalized_root
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@with_all_phases
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@spec_state_test
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def test_on_attestation(spec, state):
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store = spec.get_genesis_store(state)
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time = 100
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spec.on_tick(store, time)
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next_slot(state)
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attestation = get_valid_attestation(state, slot=1)
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indexed_attestation = spec.convert_to_indexed(state, attestation)
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spec.on_attestation(store, attestation)
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assert (
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store.latest_targets[indexed_attestation.custody_bit_0_indices[0]] ==
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spec.Target(attestation.data.target_epoch, attestation.data.target_root)
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)
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