체인의정석

1. 프로토콜에 대해여EIP 문서 : https://eips.ethereum.org/EIPS/eip-7683 ERC-7683: Cross Chain IntentsAn interface for cross-chain trade execution systems.eips.ethereum.org유니스왑과 Across 가 만든 Defi의 크로스 체인 전송 프로토콜.체인이 매우 많아지고 각 체인간 전송 프로토콜 규격이 다르기 때문에 실패확률이나 UX가 현저히 높아지는 것이 현실. 이에 대한 대안으로 공통 규격을 제안한 것.결국 영향력 있는 회사들이 만든 프로토콜이며 ERC로도 돌라와서 통합 규격이 될 경우 크로스체인 관련 브릿지/메세지 프로토콜을 만들 때 해당 규격을 적용해야 할 필요성이 존재한다.https://x...

https://luniverse.io/ko/articles/tech-talk-understanding-aa-account-abstraction-and-erc-4337 Tech Talk: Understanding AA (Account Abstraction) and ERC-4337 Intro At the ETHDenver 2023 event held earlier this month in the United States, a new Ethereum update was unveiled. Among the updates, the ERC-4337 standard for Account Abstraction received much attention, as it is expected to overcome the li..

https://docs.ethers.org/v6/migrating/ Documentation Documentation for ethers, a complete, tiny and simple Ethereum library. docs.ethers.org

공식문서 : https://eips.ethereum.org/EIPS/eip-4337 ERC-4337: Account Abstraction Using Alt Mempool An account abstraction proposal which completely avoids consensus-layer protocol changes, instead relying on higher-layer infrastructure. eips.ethereum.org 공식 구현체 npm 패키지 https://www.npmjs.com/package/@account-abstraction/contracts @account-abstraction/contracts Account Abstraction (EIP 4337) contracts..

https://github.com/OpenZeppelin/openzeppelin-contracts/blob/8a7a9c585706503f5250f09b033c94cf7ee37db2/contracts/token/ERC721/utils/ERC721Holder.sol#L17 openzeppelin-contracts/contracts/token/ERC721/utils/ERC721Holder.sol at 8a7a9c585706503f5250f09b033c94cf7ee37db2 · OpenZeppelin OpenZeppelin Contracts is a library for secure smart contract development. - OpenZeppelin/openzeppelin-contracts github..

https://forum.openzeppelin.com/t/msg-sender-isnt-the-initiator-in-a-contract-thats-created-by-another-contract/37330/5 `msg.sender` isn't the initiator in a contract that's created by another contract The situation you've described is a common challenge when using factory or deployer contracts in combination with other contracts that rely on msg.sender for initial setup, especially when the desi..

https://github.com/NomicFoundation/hardhat/issues/2043 hardhat/console.sol `bytes` and `uint256[]` typed arguments support · Issue #2043 · NomicFoundation/hardhat Hardhat doesn't support logging bytes object to console via hardhat/console.sol though it might be useful in a huge amount of cases. I'd suggest printing bytes and uint256[] object as an array of n... github.com console.logBytes consol..

Error: VM Exception while processing transaction: reverted with panic code 0x32 (Array accessed at an out-of-bounds or negative index) 해당 에러는 solidity에서 동적 배열안에 인덱스를 걸어서 요소를 넣을 때 발생한다. https://ethereum.stackexchange.com/questions/125089/error-vm-exception-while-processing-transaction-reverted-with-panic-code-0x32 Error: VM Exception while processing transaction: reverted with panic code 0x32 (Ar..