Transaction 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	2024-09-16 16:51:11.864565129 UTC
Max. memory units	14000000
Max. CPU units	10000000000
Max. tx size (kB)	16384

Script summary

Name	Hash	Size (Bytes)
νInitial	2fac819a1f4f14e29639d1414220d2a18b6abd6b8e444d88d0dda8ff	3799
νCommit	2043a9f1a685bcf491413a5f139ee42e335157c8c6bc8d9e4018669d	1743
νHead	2ee477c60839936be49a50030690865b5bed4db8cd2f05bf255ac680	10068
μHead	a1610f6e64843161f4a88229c0286176f5325de3e2f773eec2b1d818*	4508
νDeposit	c2117fd9ebdee3e96b81fd67ff7092d638926415c10f1f7e5a267ad0	2791

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

Init transaction costs

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	5101	5.65	2.23	0.44
2	5301	7.31	2.90	0.46
3	5498	8.45	3.34	0.48
5	5901	11.32	4.48	0.53
10	6906	18.10	7.16	0.65
57	16353	82.85	32.77	1.78

Commit transaction costs

This uses ada-only outputs for better comparability.

UTxO	Tx size	% max Mem	% max CPU	Min fee ₳
1	569	10.52	4.15	0.29
2	755	13.86	5.65	0.34
3	944	17.33	7.20	0.38
5	1320	24.65	10.44	0.48
10	2253	45.22	19.36	0.75
20	4122	95.99	40.76	1.40

CollectCom transaction costs

Parties	UTxO (bytes)	Tx size	% max Mem	% max CPU	Min fee ₳
1	56	559	21.46	8.41	0.41
2	114	675	32.14	12.75	0.53
3	171	782	47.29	18.88	0.70
4	226	893	57.90	23.44	0.83
5	281	1004	73.59	29.98	1.01
6	338	1116	90.32	37.04	1.20

Cost of Decrement Transaction

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	636	17.70	7.78	0.38
2	831	20.28	9.51	0.42
3	923	19.94	10.06	0.42
5	1121	21.80	12.26	0.46
10	1858	30.32	19.23	0.62
50	8084	99.44	75.22	1.85

Close transaction costs

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	652	20.11	9.03	0.41
2	821	21.91	10.73	0.44
3	925	23.00	11.82	0.46
5	1287	26.67	15.27	0.53
10	2013	34.41	22.70	0.68
50	8162	98.31	83.99	1.91

Contest transaction costs

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	693	25.93	11.16	0.47
2	865	28.07	12.99	0.51
3	1027	29.83	14.51	0.54
5	1274	33.25	17.47	0.60
10	1871	41.46	24.58	0.74
39	6223	96.86	71.88	1.72

Abort transaction costs

There is some variation due to the random mixture of initial and already committed outputs.

Parties	Tx size	% max Mem	% max CPU	Min fee ₳
1	4981	17.43	7.58	0.56
2	5056	25.17	10.89	0.65
3	5211	41.85	18.43	0.85
4	5268	48.31	21.11	0.92
5	5443	74.28	32.93	1.23
6	5562	85.07	37.63	1.35

FanOut transaction costs

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	4935	7.89	3.34	0.46
5	1	57	4968	8.43	3.80	0.46
5	5	283	5103	13.55	6.89	0.53
5	10	570	5275	19.20	10.45	0.61
5	20	1139	5614	30.13	17.40	0.77
5	30	1709	5956	41.85	24.69	0.93
5	40	2278	6295	53.17	31.82	1.09
5	50	2847	6633	64.31	38.86	1.24
5	81	4609	7682	99.67	61.07	1.73