Mat/prevent invalid funtoken #2150
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x/evm/keeper/validate_contract.go:101
- The function name 'CheckAllethods' contains a typo. It should be 'CheckAllMethods'.
func (k Keeper) CheckAllethods(
x/evm/keeper/validate_contract.go:112
- [nitpick] The error message could be more descriptive. Suggestion: "The method '%q' was not found in the contract at address %s."
return fmt.Errorf("Method %q not found in contract at %s", name, contractAddr)
…untoken t p# the commit.
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Purpose / Abstract
This pull request includes several changes to the
x/evm/keeperpackage to enhance the functionality and testing of ERC20 token operations. The most important changes include verifying ERC20 token functions, adding new methods for contract validation, and updating related test cases.Enhancements to ERC20 token operations:
x/evm/keeper/funtoken_from_erc20.go: Updated the functioncreateFunTokenFromERC20to include a new verification step that checks if the ERC20 token implements all required functions. This step ensures the token's compatibility before proceeding with further operations. [1] [2] [3] [4] [5]New methods for contract validation:
x/evm/keeper/validate_contract.go: Added new methodsHasMethodInContractandCheckAllethodsto validate the presence of specific methods in a smart contract. These methods perform static calls to check method signatures and ensure that the contract includes the expected functions.Updates to test cases:
x/evm/keeper/validate_contract_test.go: Added new test casesTestHasMethodInContract_RealKeeperandTestCheckAllMethods_RealKeeperto verify the functionality of the newly added contract validation methods. These tests deploy a real ERC20 contract and check for the presence and absence of specific methods.