Remove --ledger-genesis hydra-node argument

[v0d1ch]

Why

We don't really need to provide this file since values needed can be queried from cardano-node.

What

Issue a query to cardano-node to fetch the GenesisParameters and then convert those to ledger Globals used when applying transactions to L2 ledger.

---

• CHANGELOG updated
• Documentation updated
• Added and/or updated haddocks
• No new TODOs introduced or explained herafter

[github-actions]

Test Results

318 tests  +10   312 ✔️ +10   19m 35s ⏱️ -51s
108 suites +  4       6 💤 ±  0 
    6 files   +  1       0 ❌ ±  0 

Results for commit 3c05590. ± Comparison against base commit c77d536.

This pull request removes 1 and adds 11 tests. Note that renamed tests count towards both.

Hydra.Options/Hydra Node RunOptions ‑ parses --ledger-genesis-file as a filepath

Hydra.TUI.Options ‑ parses --cardano-signing-key option
Hydra.TUI.Options ‑ parses --connect option
Hydra.TUI.Options ‑ parses --node-socket option
Hydra.TUI.Options ‑ parses --testnet-magic option
Hydra.TUI/end-to-end smoke tests ‑ display feedback long enough
Hydra.TUI/end-to-end smoke tests ‑ doesn't allow multiple initializations
Hydra.TUI/end-to-end smoke tests ‑ starts & renders
Hydra.TUI/end-to-end smoke tests ‑ supports the full Head life cycle
Hydra.TUI/end-to-end smoke tests ‑ supports the init & abort Head life cycle
Hydra.TUI/text rendering errors ‑ should show not enough fuel message and suggestion
…

♻️ This comment has been updated with latest results.

[github-actions]

Transactions Costs

Sizes and execution budgets for Hydra protocol transactions. Note that unlisted parameters are currently using arbitrary values and results are not fully deterministic and comparable to previous runs.

Metadata
Generated at	2023-05-17 17:51:34.459791348 UTC
Max. memory units	14000000
Max. CPU units	10000000000
Max. tx size (kB)	16384

Script summary

Name	Hash	Size (Bytes)
νInitial	e5cc20df4a2216e706b3d00b59fbb15a7cf12dbd28d271d4a8cf6d04	4336
νCommit	47c102d5f95a0648b4065f2b8bff59d3e34536a82ee7b0d42df73123	2124
νHead	9fe3a5c4d826f9475368e1e24c15bf22f4df19893cce2689d3c0564a	9492
μHead	7bec671467e923281c92e94257931913be106e217270a7b97076cb9b*	4148

• The minting policy hash is only usable for comparison. As the script is parameterized, the actual script is unique per Head.

Cost of Init Transaction

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	4742	13.22	5.18	0.50
2	4947	17.16	6.72	0.56
3	5149	16.62	6.42	0.56
5	5566	23.91	9.26	0.66
10	6584	33.57	12.82	0.80
37	12123	99.31	37.68	1.76

Cost of Commit Transaction

Currently only one UTxO per commit allowed (this is about to change soon)

UTxO	Tx size	% max Mem	% max CPU	Min fee ₳
1	603	15.29	5.93	0.34

Cost of CollectCom Transaction

Parties	UTxO (bytes)	Tx size	% max Mem	% max CPU	Min fee ₳
1	57	816	27.63	10.77	0.49
2	114	1138	43.42	17.06	0.67
3	170	1462	60.69	24.01	0.88
4	227	1783	82.13	32.63	1.13

Cost of Close Transaction

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	640	18.58	8.31	0.39
2	679	17.76	7.45	0.38
3	969	21.67	10.94	0.45
5	1300	24.46	13.45	0.50
10	1463	25.68	11.14	0.50
50	8725	86.87	69.87	1.74

Cost of Contest Transaction

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	676	24.77	10.64	0.46
2	840	26.06	11.84	0.48
3	1005	28.20	13.38	0.52
5	1335	31.63	16.12	0.58
10	2160	39.77	22.80	0.73
45	7938	99.74	70.74	1.82

Cost of Abort Transaction

Some variation because of random mixture of still initial and already committed outputs.

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	4856	22.19	9.33	0.61
2	5180	36.24	15.44	0.78
3	5503	52.87	22.72	0.98
4	5825	73.21	31.59	1.23
5	6005	89.78	38.67	1.42

Cost of FanOut Transaction

Involves spending head output and burning head tokens. Uses ada-only UTxO for better comparability.

Parties	UTxO	UTxO (bytes)	Tx size	% max Mem	% max CPU	Min fee ₳
5	0	0	4766	8.67	3.57	0.46
5	1	57	4805	10.06	4.39	0.47
5	5	285	4948	15.64	7.69	0.55
5	10	567	5122	22.61	11.82	0.64
5	20	1138	5478	36.57	20.08	0.83
5	30	1707	5841	50.53	28.34	1.02
5	40	2279	6206	64.49	36.60	1.21
5	50	2849	6567	78.46	44.87	1.40
5	65	3699	7101	99.42	57.28	1.68

[ch1bo]

Overall looks good! Some minor things, but duplicated CHANGELOG entry and the computeStabilityWindow is something that must be changed or clarified.

[ch1bo]

Minor comments remaining

[ch1bo]

Addressed some minor things in a commit myself. Approved now.