mirror of https://github.com/nucypher/nucypher.git
150 lines
4.9 KiB
Python
150 lines
4.9 KiB
Python
from decimal import InvalidOperation, Decimal
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import pytest
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from web3 import Web3
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from nucypher.blockchain.economics import StandardTokenEconomics, StandardTokenEconomics
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from nucypher.blockchain.eth.token import NU, Stake
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from nucypher.utilities.sandbox.constants import INSECURE_DEVELOPMENT_PASSWORD
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def test_NU(token_economics):
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# Starting Small
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min_allowed_locked = NU(token_economics.minimum_allowed_locked, 'NuNit')
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assert token_economics.minimum_allowed_locked == int(min_allowed_locked.to_nunits())
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min_NU_locked = int(str(token_economics.minimum_allowed_locked)[0:-18])
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expected = NU(min_NU_locked, 'NU')
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assert min_allowed_locked == expected
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# Starting Big
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min_allowed_locked = NU(min_NU_locked, 'NU')
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assert token_economics.minimum_allowed_locked == int(min_allowed_locked)
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assert token_economics.minimum_allowed_locked == int(min_allowed_locked.to_nunits())
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assert str(min_allowed_locked) == '15000 NU'
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# Alternate construction
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assert NU(1, 'NU') == NU('1.0', 'NU') == NU(1.0, 'NU')
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# Arithmetic
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# NUs
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one_nu = NU(1, 'NU')
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zero_nu = NU(0, 'NU')
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one_hundred_nu = NU(100, 'NU')
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two_hundred_nu = NU(200, 'NU')
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three_hundred_nu = NU(300, 'NU')
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# Nits
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one_nu_wei = NU(1, 'NuNit')
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three_nu_wei = NU(3, 'NuNit')
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assert three_nu_wei.to_tokens() == Decimal('3E-18')
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assert one_nu_wei.to_tokens() == Decimal('1E-18')
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# Base Operations
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assert one_hundred_nu < two_hundred_nu < three_hundred_nu
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assert one_hundred_nu <= two_hundred_nu <= three_hundred_nu
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assert three_hundred_nu > two_hundred_nu > one_hundred_nu
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assert three_hundred_nu >= two_hundred_nu >= one_hundred_nu
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assert (one_hundred_nu + two_hundred_nu) == three_hundred_nu
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assert (three_hundred_nu - two_hundred_nu) == one_hundred_nu
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difference = one_nu - one_nu_wei
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assert not difference == zero_nu
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actual = float(difference.to_tokens())
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expected = 0.999999999999999999
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assert actual == expected
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# 3.14 NU is 3_140_000_000_000_000_000 NuNit
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pi_nuweis = NU(3.14, 'NU')
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assert NU('3.14', 'NU') == pi_nuweis.to_nunits() == NU(3_140_000_000_000_000_000, 'NuNit')
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# Mixed type operations
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difference = NU('3.14159265', 'NU') - NU(1.1, 'NU')
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assert difference == NU('2.04159265', 'NU')
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result = difference + one_nu_wei
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assert result == NU(2041592650000000001, 'NuNit')
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# Similar to stake read + metadata operations in Staker
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collection = [one_hundred_nu, two_hundred_nu, three_hundred_nu]
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assert sum(collection) == NU('600', 'NU') == NU(600, 'NU') == NU(600.0, 'NU') == NU(600e+18, 'NuNit')
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#
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# Fractional Inputs
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#
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# A decimal amount of NuNit (i.e., a fraction of a NuNit)
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pi_nuweis = NU('3.14', 'NuNit')
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assert pi_nuweis == three_nu_wei # Floor
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# A decimal amount of NU, which amounts to NuNit with decimals
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pi_nus = NU('3.14159265358979323846', 'NU')
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assert pi_nus == NU(3141592653589793238, 'NuNit') # Floor
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# Positive Infinity
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with pytest.raises(NU.InvalidAmount):
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_inf = NU(float('infinity'), 'NU')
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# Negative Infinity
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with pytest.raises(NU.InvalidAmount):
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_neg_inf = NU(float('-infinity'), 'NU')
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# Not a Number
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with pytest.raises(InvalidOperation):
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_nan = NU(float('NaN'), 'NU')
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# Rounding NUs
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assert round(pi_nus, 2) == NU("3.14", "NU")
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assert round(pi_nus, 1) == NU("3.1", "NU")
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assert round(pi_nus, 0) == round(pi_nus) == NU("3", "NU")
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def test_stake(testerchain, token_economics, agency):
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token_agent, staking_agent, _policy_agent = agency
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class FakeUrsula:
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token_agent, staking_agent, _policy_agent = agency
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burner_wallet = Web3().eth.account.create(INSECURE_DEVELOPMENT_PASSWORD)
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checksum_address = burner_wallet.address
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staking_agent = staking_agent
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token_agent = token_agent
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blockchain = testerchain
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ursula = FakeUrsula()
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stake = Stake(checksum_address=ursula.checksum_address,
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first_locked_period=1,
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final_locked_period=100,
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value=NU(100, 'NU'),
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index=0,
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staking_agent=staking_agent,
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economics=token_economics,
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validate_now=False)
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assert stake.value, 'NU' == NU(100, 'NU')
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assert isinstance(stake.time_remaining(), int) # seconds
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slang_remaining = stake.time_remaining(slang=True) # words
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assert isinstance(slang_remaining, str)
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def test_stake_integration(stakers):
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staker = list(stakers)[1]
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stakes = staker.stakes
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assert stakes
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stake = stakes[0]
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stake.sync()
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blockchain_stakes = staker.staking_agent.get_all_stakes(staker_address=staker.checksum_address)
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stake_info = (stake.first_locked_period, stake.final_locked_period, int(stake.value))
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published_stake_info = list(blockchain_stakes)[0]
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assert stake_info == published_stake_info
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assert stake_info == stake.to_stake_info()
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