BLOCK_UNPAID_ACTION_LIMIT

zebra_chain::transaction::unmined::zip317

Constant BLOCK_UNPAID_ACTION_LIMIT 

Source 
pub const BLOCK_UNPAID_ACTION_LIMIT: u32 = 0;
Expand description

If a tx has more than BLOCK_UNPAID_ACTION_LIMIT “unpaid actions”, it will never be mined by the Recommended algorithm for block template construction, implemented in Zebra here.