Improve get_seconds_and_delayed_puzhash_from_p2_singleton_puzzle

[AmineKhaldi]

• Construct delayed_puzzle_hash as a proper bytes32 object.
• Mark unused values.
• Handle atom optionality before constructing return values.

[coveralls-official]

Pull Request Test Coverage Report for Build 8424424183

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
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• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 5 of 5 (100.0%) changed or added relevant lines in 1 file are covered.
• 22 unchanged lines in 9 files lost coverage.
• Overall coverage decreased (-0.006%) to 90.831%

---

Files with Coverage Reduction	New Missed Lines	%
chia/_tests/util/setup_nodes.py	1	98.35%
chia/timelord/timelord_launcher.py	1	69.92%
chia/full_node/full_node.py	1	84.95%
chia/wallet/wallet_node.py	2	88.49%
chia/data_layer/data_layer_wallet.py	2	91.1%
chia/timelord/timelord.py	3	73.56%
chia/rpc/rpc_server.py	3	88.0%
chia/full_node/weight_proof.py	4	90.73%
chia/_tests/core/util/test_lockfile.py	5	89.47%

Totals
Change from base Build 8423807279:	-0.006%
Covered Lines:	97431
Relevant Lines:	107240

---

💛 - Coveralls

[Quexington]

It doesn't matter but can we also get rid of the list cast here on args.as_iter()?

[AmineKhaldi]

It doesn't matter but can we also get rid of the list cast here on args.as_iter()?

Thanks, done.