Machine Precision

• Machine precision tests for solidity vetting
• To download notebook to this tutorial, see here

from defipy import *

user_nm = 'user_machine_check'
eth_amount = UniV3Helper().dec2gwei(1000)
dai_amount = UniV3Helper().dec2gwei(100000)

1. Check abstract interface

dai = ERC20("DAI", "0x111")
eth = ERC20("ETH", "0x09")
exchg_data = UniswapExchangeData(tkn0 = eth, tkn1 = dai, symbol="LP", address="0x011", precision = UniswapExchangeData.TYPE_GWEI)

factory = UniswapFactory("ETH pool factory", "0x2")
lp = factory.deploy(exchg_data)

Join().apply(lp, user_nm, eth_amount, dai_amount)
lp.summary()

Exchange ETH-DAI (LP) Reserves: ETH = 1000000000000000000000, DAI = 100000000000000000000000 Liquidity: 10000000000000000000000

dai = ERC20("DAI", "0x111")
eth = ERC20("ETH", "0x09")
exchg_data = UniswapExchangeData(tkn0 = eth, tkn1 = dai, symbol="LP", address="0x011", precision = UniswapExchangeData.TYPE_GWEI)

factory = UniswapFactory("ETH pool factory", "0x2")
lp = factory.deploy(exchg_data)

Join().apply(lp, user_nm, eth_amount, dai_amount)
lp.summary()

AddLiquidity().apply(lp, eth, user_nm, UniV3Helper().dec2gwei(10))
lp.summary()

Exchange ETH-DAI (LP) Reserves: ETH = 1000000000000000000000, DAI = 100000000000000000000000 Liquidity: 10000000000000000000000 Exchange ETH-DAI (LP) Reserves: ETH = 1010000000000000000000, DAI = 101000000000000000000000 Liquidity: 10100000000000000000000

dai = ERC20("DAI", "0x111")
eth = ERC20("ETH", "0x09")
exchg_data = UniswapExchangeData(tkn0 = eth, tkn1 = dai, symbol="LP", address="0x011", precision = UniswapExchangeData.TYPE_GWEI)

factory = UniswapFactory("ETH pool factory", "0x2")
lp = factory.deploy(exchg_data)

Join().apply(lp, user_nm, eth_amount, dai_amount)
lp.summary()

RemoveLiquidity().apply(lp, eth, user_nm, UniV3Helper().dec2gwei(100))
lp.summary()

Exchange ETH-DAI (LP) Reserves: ETH = 1000000000000000000000, DAI = 100000000000000000000000 Liquidity: 10000000000000000000000 Exchange ETH-DAI (LP) Reserves: ETH = 900000000000000000000, DAI = 90000000000000000000000 Liquidity: 9000000000000000000000

dai = ERC20("DAI", "0x111")
eth = ERC20("ETH", "0x09")
exchg_data = UniswapExchangeData(tkn0 = eth, tkn1 = dai, symbol="LP", address="0x011", precision = UniswapExchangeData.TYPE_GWEI)

factory = UniswapFactory("ETH pool factory", "0x2")
lp = factory.deploy(exchg_data)

Join().apply(lp, user_nm, eth_amount, dai_amount)
lp.summary()

Swap().apply(lp, dai, user_nm, UniV3Helper().dec2gwei(1000))
lp.summary()

Exchange ETH-DAI (LP) Reserves: ETH = 1000000000000000000000, DAI = 100000000000000000000000 Liquidity: 10000000000000000000000 Exchange ETH-DAI (LP) Reserves: ETH = 990128419656029387011, DAI = 101000000000000000000000 Liquidity: 10000000000000000000000

dai = ERC20("DAI", "0x111")
eth = ERC20("ETH", "0x09")
exchg_data = UniswapExchangeData(tkn0 = eth, tkn1 = dai, symbol="LP", address="0x011", precision = UniswapExchangeData.TYPE_GWEI)

factory = UniswapFactory("ETH pool factory", "0x2")
lp = factory.deploy(exchg_data)

Join().apply(lp, user_nm, eth_amount, dai_amount)
lp.summary()

WithdrawSwap().apply(lp, eth, user_nm, UniV3Helper().dec2gwei(10))
lp.summary()

Exchange ETH-DAI (LP) Reserves: ETH = 1000000000000000000000, DAI = 100000000000000000000000 Liquidity: 10000000000000000000000 Exchange ETH-DAI (LP) Reserves: ETH = 989999999999999999241, DAI = 100000000000000000000000 Liquidity: 9949799447405356572672

2. Check quotes

dai = ERC20("DAI", "0x111")
eth = ERC20("ETH", "0x09")
exchg_data = UniswapExchangeData(tkn0 = eth, tkn1 = dai, symbol="LP", address="0x011", precision = UniswapExchangeData.TYPE_GWEI)

factory = UniswapFactory("ETH pool factory", "0x2")
lp = factory.deploy(exchg_data)

Join().apply(lp, user_nm, eth_amount, dai_amount)
lp.summary()

Exchange ETH-DAI (LP) Reserves: ETH = 1000000000000000000000, DAI = 100000000000000000000000 Liquidity: 10000000000000000000000

p_eth = LPQuote().get_price(lp, eth)
p_dai = LPQuote().get_price(lp, dai)
print(f'The price of {eth.token_name} in {dai.token_name} is {p_eth}')
print(f'The price of {dai.token_name} in {eth.token_name} is {p_dai}')

The price of ETH in DAI is 100.0 The price of DAI in ETH is 0.01

amt_eth = LPQuote(include_fee = True).get_amount(lp, eth, UniV3Helper().dec2gwei(1))
amt_dai = LPQuote(include_fee = True).get_amount(lp, dai, UniV3Helper().dec2gwei(1))
print(f'{UniV3Helper().dec2gwei(1)} {eth.token_name} token is worth {amt_dai} {dai.token_name} after swap fees')
print(f'{UniV3Helper().dec2gwei(1)} {dai.token_name} token is worth {amt_eth} {eth.token_name} after swap fees')

1000000000000000000 ETH token is worth 9969900600091018 DAI after swap fees 1000000000000000000 DAI token is worth 99600698103990321650 ETH after swap fees

amt_eth = LPQuote(False).get_amount_from_lp(lp, eth, UniV3Helper().dec2gwei(1))
amt_dai = LPQuote().get_amount_from_lp(lp, eth, UniV3Helper().dec2gwei(1))
print(f'{UniV3Helper().dec2gwei(1)} LP token is worth {amt_eth} {eth.token_name}')
print(f'{UniV3Helper().dec2gwei(1)} LP token is worth {amt_dai} {dai.token_name}')

1000000000000000000 LP token is worth 199690059907017973 ETH 1000000000000000000 LP token is worth 1.9969005990701797e+19 DAI

3. Classic tree config

tkn_amount = UniV3Helper().dec2gwei(100000)
usdt_amount = UniV3Helper().dec2gwei(100000)

tkn_nm = 'USDC'
itkn_nm = 'iUSDC'
usdt_nm = 'USDT'
iusdt_nm = 'iUSDT'

usdt1 = ERC20(usdt_nm, "0x111")
tkn1 = ERC20(tkn_nm, "0x09")
exchg_data = UniswapExchangeData(tkn0 = tkn1, tkn1 = usdt1, symbol="LP", address="0x011", precision = UniswapExchangeData.TYPE_GWEI)

iVault1 = IndexVault('iVault1', "0x7")
factory = UniswapFactory(f"{tkn_nm} pool factory", "0x2")
lp = factory.deploy(exchg_data)
Join().apply(lp, user_nm, tkn_amount, usdt_amount)

tkn2 = ERC20(tkn_nm, "0x09")
itkn1 = IndexERC20(itkn_nm, "0x09", tkn1, lp)
exchg_data1 = UniswapExchangeData(tkn0 = tkn2, tkn1 = itkn1, symbol="LP1", address="0x012", precision = UniswapExchangeData.TYPE_GWEI)
lp1 = factory.deploy(exchg_data1)
JoinTree().apply(lp1, user_nm, iVault1, UniV3Helper().dec2gwei(10000))

# Re-balance LP price after JoinTree
SwapDeposit().apply(lp, usdt1, user_nm, lp.get_reserve(tkn1) - lp.get_reserve(usdt1))

lp.summary()
lp1.summary()

Exchange USDC-USDT (LP) Reserves: USDC = 109999999999999999072351, USDT = 109999999999999999072352 Liquidity: 109984620658241662373796 Exchange USDC-iUSDC (LP1) Reserves: USDC = 9972071706380652773376, iUSDC = 4873552747221099553490 Liquidity: 6971328242172880813044