uniswap_v2.token_tax

Documentation for eth_defi.uniswap_v2.token_tax Python module.

Querying the buy tax, transfer tax & sell tax of an ERC20 token

See blog post about token tax and honey pots for more information
Read also unit test suite tests/test_token_tax.py to see the retrieval of token taxes for ELEPHANT token on BSC

Functions

estimate_token_taxes(uniswap, base_token, ...)

Estimates different token taxes for a token by running Ganache simulations for it.

Classes

Different token taxes we figured out.

Exceptions

`ApprovalFailure`	Yet another random Ganache failure.
`OutOfGasDuringSell`	The token is likely some sort of ponzi with restricted transfer.
`OutOfGasDuringTransfer`	The token is likely some sort of ponzi with restricted transfer.
`SellFailed`	Could not sell the token.
`SwapError`	The swap method reverted due to low liquidity of either the base or quote token
`TransferFailure`	The token transfer failed for some random reason.
`TransferFromError`	The token is likely broken.