Fix chain_test: Committee and witnesses initialization in genesis #1835
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This issue was caused by a sporadic fail of the htlc_expires test on our CI. However, later this test was fixed. While we were researching the problem, we found out that committee proposals aren't always authorized. In the case of htlc_expires this was caused by installing updatable_htlc_options in global parameters. As a result, it was decided to write a unit test which demonstrates the problem and also to make a correction that fixes it.
There are oddity checks in database::init_genesis():
But size of containers genesis_state.initial_witness_candidates and genesis_state.initial_committee_candidates are not checked. So, all candidates become witnesses and committee members. In database_fixture these containers are initialized with 10 elements. In some tests committee can't make decision without correct initialization.