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	2023-10-01 04:15:49.871133907 UTC
Max. memory units	14000000
Max. CPU units	10000000000
Max. tx size (kB)	16384

Script summary

Name	Hash	Size (Bytes)
νInitial	eaf589de11c6c805af24b759e7794d62661d3db4ade79594892ebaec	4106
νCommit	8dcc1fb34d1ba168dfb0b82e7d1a31956a2db5856f268146b0fd7f2a	2051
νHead	e35bdf32cd3806596150c1cbab6ab5456bd957b36019ed2746bf481d	8797
μHead	386ad19467be96131379dacf57a9351a762da2dee3486a855f0409c9*	4151

• 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	4745	11.83	4.66	0.49
2	4950	14.05	5.51	0.52
3	5158	16.41	6.40	0.56
5	5569	21.34	8.28	0.63
10	6590	33.24	12.82	0.80
37	12126	97.97	37.48	1.75

Cost of Commit Transaction

This is using ada-only outputs for better comparability.

UTxO	Tx size	% max Mem	% max CPU	Min fee ₳
1	599	12.55	4.94	0.31
2	784	16.35	6.64	0.36
3	969	20.11	8.33	0.42
5	1351	28.32	11.97	0.52
10	2282	51.07	21.87	0.82
18	3779	94.76	40.36	1.37

Cost of CollectCom Transaction

Parties	UTxO (bytes)	Tx size	% max Mem	% max CPU	Min fee ₳
1	57	814	23.88	9.51	0.45
2	114	1134	36.45	14.66	0.60
3	171	1456	51.10	20.72	0.78
4	227	1777	68.12	27.78	0.98
5	282	2094	92.00	37.47	1.26

Cost of Close Transaction

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	693	19.23	8.84	0.40
2	917	20.97	10.42	0.44
3	1087	22.25	11.65	0.46
5	1511	25.58	14.74	0.53
10	2628	34.24	22.57	0.71
49	10428	96.55	80.24	1.97

Cost of Contest Transaction

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	721	22.68	10.13	0.44
2	941	24.98	11.93	0.48
3	1158	26.59	13.45	0.51
5	1577	30.73	16.85	0.59
10	2570	38.66	24.00	0.75
43	9262	97.87	75.06	1.89

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	4984	21.22	9.16	0.61
2	5429	35.94	15.69	0.79
3	5832	53.98	23.68	1.01
4	6337	75.78	33.31	1.28
5	6767	99.83	43.99	1.57

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	4771	8.69	3.66	0.46
5	1	57	4809	10.25	4.57	0.48
5	5	285	4947	15.44	7.74	0.55
5	10	568	5122	21.78	11.65	0.64
5	20	1139	5491	34.94	19.66	0.82
5	30	1709	5848	47.94	27.62	0.99
5	40	2275	6205	60.52	35.40	1.17
5	50	2844	6564	73.95	43.53	1.35
5	70	3981	7280	99.99	59.46	1.71