*** boa.contracts.base_evm_contract.BoaError: <exception str() failed>

[PatrickAlphaC]

I'm attempting to call a function with titanoboa with a function that takes the following inputs:

address
uint256
address

However, I'm getting an issue:

(Pdb) pool_contract.withdraw(string_usdc, amount_in, eoa)
*** boa.contracts.base_evm_contract.BoaError: <exception str() failed>

It looks like the string_usdc is the issue, but it looks like a fine string:

(Pdb) string_usdc
'0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48'
(Pdb) eoa
'0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266'

The reason I think it's the string_usdc, is because when I pass in a different address for string_usdc it works fine:

# This works
(Pdb) pool_contract.withdraw(eoa, amount_in, eoa)

[PatrickAlphaC]

It's somehow just this string. This string works:

0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB47

so does this one:

0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB49

But not this:

0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48

[PatrickAlphaC]

I have more information on the boa error!

(Pdb) error
BoaError(call_trace=TraceFrame(computation=<abc.TitanoboaComputation object at 0x1211c1130>, source=ABI pool.withdraw(address,uint256,address) -> ['uint256'], depth=0, children=[TraceFrame(computation=<abc.TitanoboaComputation object at 0x121d756d0>, source=None, depth=1, children=[TraceFrame(computation=<abc.TitanoboaComputation object at 0x121d760f0>, source=ABI aavev3_pool_address_provider.getPriceOracle() -> ['address'], depth=2, children=[]), TraceFrame(computation=<abc.TitanoboaComputation object at 0x121d74950>, source=None, depth=2, children=[TraceFrame(computation=<abc.TitanoboaComputation object at 0x105987770>, source=None, depth=3, children=[TraceFrame(computation=<abc.TitanoboaComputation object at 0x121f98710>, source=None, depth=4, children=[])]), TraceFrame(computation=<abc.TitanoboaComputation object at 0x121f98a70>, source=vyper.ast.nodes.Str:
     336     ownable._check_owner()
---> 337     assert minter != empty(address), "erc20: minter is the zero address"
----------------------------------------------^
     338     # We ensured in the previous step `ownable._check_owner`, depth=3, children=[TraceFrame(computation=<abc.TitanoboaComputation object at 0x121f98dd0>, source=None, depth=4, children=[])])])])]), stack_trace=['   <Unknown contract 0x2b22e425c1322fba0dbf17bb1da25d71811ee7ba>', '   <Unknown contract 0xef434e4573b90b6ecd4a00f4888381e4d0cc5ccd>', "  b'\\x08\\xc3y\\xa0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00 \\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x0232\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'(<pool interface at 0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2>.withdraw(address,uint256,address) -> ['uint256'])"])

It seems that for some reason it's calling set_minteron the ERC20 address?

[PatrickAlphaC]

For some reason, I think it's calling functions on the mock contract I have, enough though it should be ignoring that and just using the ABI perhaps...

[charles-cooper]

what's the type of string_usdc?

[PatrickAlphaC]

str

[charles-cooper]

I think you should make sure it is an Address