...C20.sol";
contract MyToken is ERC20 {
// Constructor to set the name and symbol for the token
constructor(uint256 initialSupply) ERC20("MyToken", "MTK") {
_mint(msg.sender, initialSupply * 10 ** decimals());
}
}
```
### 说明：
- `import "@openzeppelin/contracts/token/ERC20...
...ow.fi/learn/what-is-pri...](https://cow.fi/learn/what-is-price-improvement-and-why-is-it-unique-to-cow-swap)
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...ced in following path:
# ~/.bitcoin/bitcoin.conf
# [rpc]
# Accept command line and JSON-RPC commands.
server=1
txindex=1
# Username for JSON-RPC connections
rpcuser=bitcoinrpc
# Password for JSON-RPC connections
rpcpassword=bitcoinrpc
# Listen for JSON-RPC connections on this port
...