…or (#10446)

* get spends for block using transaction generator

* type annotations and use existing function

* return None on exception

* parse to CoinSpend

* specify return type of get_block_spends in rpc client

* see what can be asserted

* test fix

* flags not necessary as we don't validate

* simplifying as cost is not required as we are not validating

* improve test to cover transaction generator ref_list

* simplify test

* remove unused import

* slight change and cleanup

* lint cleanup

* clean up

* wait until transaction is in mempool

* fix lint

Co-authored-by: Jack Nelson <jack@jacknelson.xyz>

Correct type and run lint checker

…into fco.block_spends

The tests do not like it