...}
// We won't do any pre or post processing, so leave _preRelayedCall and _postRelayedCall empty
// 我们不会进行任何预处理或后处理,因此保持 _preRelayedCall 和 _postRelayedCall 为空
function _preRelayedCall(bytes memory context) internal returns (bytes32) {
}
...
...的研究论文 [_Flash Boys 2.0: Front Running, Transaction Reordering, and Consensus Instability in Decentralized Exchanges_](https://arxiv.org/abs/1904.05234) 中引入,意为 _矿工_ 可提取价值。然而,MEV 在所有智能合约区块链上都存在,只要有方对交易排序负责...