... as function_selector from ethereum.traces
where length(input) > 4 and block_time > (NOW() - INTERVAL '774' DAY)
and to = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
union all
select bytearray_substring(data, 1, 4) as function_selector from ethereum.transactions ...
...接:** [https://www.buildblockchain.tech/newsletter/issues/no-99-validium-and-the-layer-2-two-by-two](https://www.buildblockchain.tech/newsletter/issues/no-99-validium-and-the-layer-2-two-by-two)
**作者:** Ben DiFrancesco
**翻译&校对:** IAN LIU & 阿剑
* * *
...ntermediate account's ephemeral keypair file with
`solana-keygen recover` and the following 12-word seed phrase:
==================================================================================
valley flat great hockey share token excess clever benefit traffic avocado athlete
=================...
...// 打印断言
println!("Hello, world! I know the factors of {}, and I can prove it!", c);
// 让我们序列化收据，以便我们可以将其保存到文件中供验证程序验证。
let serialized = bincode::serialize(&receipt).unwrap();
// 将序...