...ta of a transaction.
//
// This is implemented by DynamicFeeTx, LegacyTx and AccessListTx.
type TxData interface {
txType() byte // returns the type ID
copy() TxData // creates a deep copy and initializes all fields
chainID() *big.Int
accessList() AccessList
data() []byte
gas() uint...
... Exploiter exploiter = new Exploiter();
// trigger the exploit and buy the item
exploiter.buy(level);
// assert that we have solved the challenge
assertEq(level.isSold(), true);
vm.stopPrank();
}
```
你可以打开[Shop.t.sol](https://github.com/StErMi/fou...
....substring(128, 130), 16);
// The signature is now comprised of r, s, and v.
}
);
```
请注意，在撰写本文时，MetaMask 和 Cipher Browser 在 method 字段中使用`eth_signTypedData_v3`，以便向后兼容，DApp生态系统就采用这个标准。这些钱包的未来版...
...用合约赚钱的帖子 “Make +1200$ a day passive income with Solidity and Uniswap” ，咋一看以为是闪电贷套利之类的，但还是很好奇就点进去看了下具体是怎么玩的。（视频在油管上 BVLAbJbT59w ，完整代码在 https://rentry.co/uvdx4/raw ）
视频的...
...ubscription is returned,
// but is only used to create the subscription, and does not affect the returned subscription.
return func(ctx context.Context, err error) (event.Subscription, error) {
if err != nil {
m.logger.Warn("resubscribing after failed L1 subscription", "err", err)
}
...