142 lines
3.9 KiB
Python
142 lines
3.9 KiB
Python
from copy import deepcopy
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import pytest
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import build.phase0.spec as spec
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from build.phase0.spec import (
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get_balance,
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ZERO_HASH,
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process_deposit,
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)
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from tests.phase0.helpers import (
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build_deposit,
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privkeys,
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pubkeys,
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)
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# mark entire file as 'voluntary_exits'
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pytestmark = pytest.mark.voluntary_exits
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def test_success(state):
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pre_state = deepcopy(state)
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# fill previous deposits with zero-hash
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deposit_data_leaves = [ZERO_HASH] * len(pre_state.validator_registry)
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index = len(deposit_data_leaves)
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pubkey = pubkeys[index]
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privkey = privkeys[index]
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deposit, root, deposit_data_leaves = build_deposit(
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pre_state,
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deposit_data_leaves,
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pubkey,
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privkey,
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spec.MAX_DEPOSIT_AMOUNT,
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)
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pre_state.latest_eth1_data.deposit_root = root
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pre_state.latest_eth1_data.deposit_count = len(deposit_data_leaves)
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post_state = deepcopy(pre_state)
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process_deposit(post_state, deposit)
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assert len(post_state.validator_registry) == len(state.validator_registry) + 1
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assert len(post_state.balances) == len(state.balances) + 1
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assert post_state.validator_registry[index].pubkey == pubkeys[index]
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assert get_balance(post_state, index) == spec.MAX_DEPOSIT_AMOUNT
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assert post_state.deposit_index == post_state.latest_eth1_data.deposit_count
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return pre_state, deposit, post_state
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def test_success_top_up(state):
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pre_state = deepcopy(state)
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deposit_data_leaves = [ZERO_HASH] * len(pre_state.validator_registry)
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validator_index = 0
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amount = spec.MAX_DEPOSIT_AMOUNT // 4
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pubkey = pubkeys[validator_index]
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privkey = privkeys[validator_index]
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deposit, root, deposit_data_leaves = build_deposit(
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pre_state,
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deposit_data_leaves,
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pubkey,
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privkey,
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amount,
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)
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pre_state.latest_eth1_data.deposit_root = root
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pre_state.latest_eth1_data.deposit_count = len(deposit_data_leaves)
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pre_balance = get_balance(pre_state, validator_index)
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post_state = deepcopy(pre_state)
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process_deposit(post_state, deposit)
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assert len(post_state.validator_registry) == len(state.validator_registry)
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assert len(post_state.balances) == len(state.balances)
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assert post_state.deposit_index == post_state.latest_eth1_data.deposit_count
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assert get_balance(post_state, validator_index) == pre_balance + amount
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return pre_state, deposit, post_state
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def test_wrong_index(state):
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pre_state = deepcopy(state)
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deposit_data_leaves = [ZERO_HASH] * len(pre_state.validator_registry)
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index = len(deposit_data_leaves)
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pubkey = pubkeys[index]
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privkey = privkeys[index]
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deposit, root, deposit_data_leaves = build_deposit(
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pre_state,
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deposit_data_leaves,
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pubkey,
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privkey,
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spec.MAX_DEPOSIT_AMOUNT,
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)
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# mess up deposit_index
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deposit.index = pre_state.deposit_index + 1
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pre_state.latest_eth1_data.deposit_root = root
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pre_state.latest_eth1_data.deposit_count = len(deposit_data_leaves)
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post_state = deepcopy(pre_state)
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with pytest.raises(AssertionError):
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process_deposit(post_state, deposit)
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return pre_state, deposit, None
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def test_bad_merkle_proof(state):
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pre_state = deepcopy(state)
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deposit_data_leaves = [ZERO_HASH] * len(pre_state.validator_registry)
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index = len(deposit_data_leaves)
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pubkey = pubkeys[index]
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privkey = privkeys[index]
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deposit, root, deposit_data_leaves = build_deposit(
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pre_state,
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deposit_data_leaves,
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pubkey,
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privkey,
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spec.MAX_DEPOSIT_AMOUNT,
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)
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# mess up merkle branch
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deposit.proof[-1] = spec.ZERO_HASH
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pre_state.latest_eth1_data.deposit_root = root
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pre_state.latest_eth1_data.deposit_count = len(deposit_data_leaves)
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post_state = deepcopy(pre_state)
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with pytest.raises(AssertionError):
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process_deposit(post_state, deposit)
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return pre_state, deposit, None
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