Constant SOFT_LIMIT_COUNT_HASHES_IN_GET_POOLED_TRANSACTIONS_REQUEST 

pub const SOFT_LIMIT_COUNT_HASHES_IN_GET_POOLED_TRANSACTIONS_REQUEST: usize = 256;

Recommended soft limit for the number of hashes in a GetPooledTransactions request.

Spec’d at 256 hashes (8 KiB).

https://github.com/ethereum/devp2p/blob/master/caps/eth.md#getpooledtransactions-0x09