OpenZeppelin Test Helpers
Test Helpers is an assertion library for smart contract testing built by OpenZeppelin.
What is OpenZeppelin Test Helpers?
OpenZeppelin Test Helpers is an assertion library for Ethereum smart contract testing. Test Helpers helps devs make sure their contracts are behaving as they should be. This library checks that transactions revert for the right reasons, verify event emission values, track balance changes, handle very large numbers, and even simulate the passing of time. Configurable, well-documented, and developed by OpenZeppelin, a leader in smart contract safety.
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ERC-1271 signature replay vulnerability
On October 27th 2023, Alchemy discovered a ERC1271 contract signature replay vulnerability that affected a large number of smart contract accounts (SCA), and led to risks when interacting with several applications.
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