... Disable heuristic state prefetch during block import (less CPU and disk IO, more time waiting for data)
--cache.preimages Enable recording the SHA3/keccak preimages of trie keys
```
我本地想根据指定的区块高度来查询用户余额，并且来进行空...
...ls/ReentrancyGuard.sol";
/**
* @notice This code has not been audited and may contain vulnerabilities.
* Never use in the production.
*/
contract Staking is ReentrancyGuard {
MyToken public token;
Rewards public rewards;
mapping(address => uint256) public stakedAmounts;
...
... should be unique) corresponding to which the passkey
// would be created and later on accessing
await bananaEoaSignerInstance.init('');
// initializing signer for smart contract wallet.
const abcSmartWalletInstance = new ABCWallet(bananaEoaSignerInstance);
```
进行交易的流程如...
...c {
partner = _partner;
}
// withdraw 1% to recipient and 1% to owner
function withdraw() public {
uint amountToSend = address(this).balance / 100;
// perform a call without checking return
// The recipient can revert, the owner will still get the...
...oks 合约
- `hookData`：Hooks 数据
### 方法定义
#### getPoolAndSwapDirection
根据输入代币和中间代币信息，计算交易池子和交易方向。
```solidity
/// @notice Get the pool and swap direction for a given PathKey
/// @param params the given PathKey
/// @par...
...Out = numerator / denominator;
}
// given an output amount of an asset and pair reserves, returns a required input amount of the other asset
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) internal pure returns (uint amountIn) {
require(amountOut > 0, 'UniswapV2Library: I...