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280 commits

Author SHA1 Message Date
therealyingtong
2255fbec8b Make RegionShape struct public 2021-01-28 10:55:17 +08:00
therealyingtong
faf5da15c9 Track column usage in RegionShape. 
Co-authored-by: Jack Grigg <jack@electriccoin.co>
 2021-01-28 10:55:02 +08:00
str4d
963a91464a
Merge pull request #120 from daira/sqrt_ratio 
Add sqrt_ratio implementation.
 2021-01-24 07:58:14 +13:00
Daira Hopwood
c7a12ee178
Add documentation of perfect hash parameters. 2021-01-17 02:24:09 +00:00
Daira Hopwood
adc3c9c2ea
Fix incorrect variable name in a comment. 
Co-authored-by: str4d <thestr4d@gmail.com>
 2021-01-17 01:52:49 +00:00
Kris Nuttycombe
94dd9cc421 Fix doctests. 2021-01-14 13:31:48 -07:00
Kris Nuttycombe
74b2aa715f Require Rotation instead of i32 for relative rows in circuits. 
Co-authored-by: str4d <thestr4d@gmail.com>
 2021-01-14 11:57:32 -07:00
Kris Nuttycombe
483cb1139f Remove rotations from ConstraintSystem 2021-01-14 11:35:23 -07:00
Sean Bowe
e4dac4f621
clippy: remove unnecessarily explicit lifetimes and return types 2021-01-14 08:53:19 -07:00
Jack Grigg
d95e4e4724
clippy: Remove unnecessary Result 2021-01-14 08:46:25 -07:00
Jack Grigg
ec8c925587
doc: Fix broken intra-doc link 2021-01-14 08:46:25 -07:00
Jack Grigg
95314d0f69
clippy: Add type definitions for complex types 2021-01-14 08:46:23 -07:00
Jack Grigg
75915f67ed
clippy: Small cleanups 2021-01-14 08:43:25 -07:00
Jack Grigg
6dd7595438
clippy: Remove useless actions 
- Dropping a reference does nothing.
- Dropping a Copy type drops a copy.
- No need to clone the last usage of a variable.
 2021-01-14 08:43:25 -07:00
Jack Grigg
6983bd1bbc
clippy: Use Option::ok_or_else to construct errors from functions 2021-01-14 08:43:25 -07:00
Daira Hopwood
288a21ef1e Replace the Tonelli-Shanks sqrt algorithm with the table-based one. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-01-14 02:34:43 +00:00
Daira Hopwood
c5e48fdd06 Address @ebfull's review comments. 
Co-authored-by: Sean Bowe <sean@electriccoin.co>
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-01-14 02:34:43 +00:00
Daira Hopwood
af9834d68c Implement sqrt_alt, a more efficient way of doing sqrt_ratio(num, one()). 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-01-14 02:34:43 +00:00
Daira Hopwood
806748fbc4 Use addition chains for powering by (T-1)/2. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-01-14 02:34:43 +00:00
Daira Hopwood
227025b7b3 Avoid exposing implementation details of the square root implementation. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-01-14 02:34:43 +00:00
Daira Hopwood
e13ee2c8ff Add sqrt_ratio implementation. 
Co-authored-by: Jack Grigg <jack@electriccoin.co>
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-01-14 02:34:43 +00:00
Sean Bowe
ec2d8db8cb
Multiopen prover never needed evals to be specified. 
The Lagrange interpolation we were doing was pointless. kate_division sheds the constant
term off each time it is invoked because the quotient polynomial isn't affected by it.
This means we were modifying coefficients that end up getting discarded anyway; the
quotient polynomial coefficients are already determined exactly by the leading coefficients
and the fact that a root exists at each of the points.
 2021-01-13 17:22:32 -07:00
ebfull
ccca639591
Merge pull request #111 from zcash/transcript-api-2 
New Transcript API (and modified commitment scheme)
 2021-01-13 16:50:47 -07:00
Sean Bowe
1f510016d8
Simplifications to some logic. 
Co-authored-by: Jack Grigg <jack@electriccoin.co>
 2021-01-13 15:51:48 -07:00
Sean Bowe
775151a67d
Change absorb_ to read_ in subprotocols. 2021-01-13 15:47:35 -07:00
Sean Bowe
9a26ef1acd
Refactor the Committed structure. 2021-01-13 15:44:37 -07:00
Sean Bowe
cc6b0bb7f2
Rename blind to \xi for consistency. 2021-01-13 15:24:44 -07:00
Sean Bowe
47d021ceb3
Add reference to issue in TODO comment. 2021-01-13 08:41:14 -07:00
ebfull
1e4b449934
Merge pull request #125 from zcash/circuit-traits 
Circuit component traits
 2021-01-12 09:23:21 -07:00
Sean Bowe
e1a772d6e1
Remove transcript forking API. 2021-01-12 07:40:31 -07:00
Sean Bowe
f308eb969c
Remove deterministic square root calculation as it's no longer needed. 2021-01-12 07:40:26 -07:00
Sean Bowe
98c1d80c90
Avoid square challenges and forking in inner product argument 
This modifies the scheme to be almost identical to the construction
outlined in Appenix A.2 of "Proof-Carrying Data from Accumulation
Schemes" (https://eprint.iacr.org/2020/499). The only remaining
difference is that we do not compute [v] U but instead subtract
[v] G_0 from the commitment before opening.
 2021-01-12 07:40:20 -07:00
Jack Grigg
d94e9b3daf Remove unnecessary trailing semicolon 2021-01-08 02:22:16 +00:00
Jack Grigg
f24b60b5b0 Add a placeholder module for gadgets 2021-01-08 01:55:10 +00:00
Jack Grigg
7e2406cc77 Implement a simple single-chip layouter 2021-01-08 01:54:44 +00:00
Jack Grigg
17da891b25 General traits and structs for implementing circuits 2021-01-08 01:54:18 +00:00
Jack Grigg
08da49353e Fix clippy lints in MockProver 2021-01-07 12:42:04 +00:00
Jack Grigg
8590211585 Remove unnecessary parts from MockProver per review comments 2021-01-06 21:52:56 +00:00
Jack Grigg
49f1598c0e Add example to MockProver documentation 
Also fixes a bug in MockProver::verify (which was exposing an internal
implementation detail as an incorrect row numbering).
 2021-01-06 21:52:56 +00:00
Jack Grigg
64b06735bf Expose MockProver in crate, and add documentation 2021-01-06 21:52:56 +00:00
therealyingtong
fb939f17a9 Add permutation check to MockProver 2021-01-06 21:52:56 +00:00
Jack Grigg
6eebf3994b Add MockProver for developing circuits 2021-01-06 21:52:56 +00:00
Sean Bowe
c8dedf2ec3
Fix challenge multiplications as per #119. 2021-01-06 10:47:06 -07:00
Sean Bowe
c5e0364962
Remove the Read/Write type parameters from Transcript{Read,Write}. 2021-01-06 10:45:11 -07:00
Sean Bowe
dff5a3a692
Generate the URS using a homebrew mixture of blake2b and try-and-increment. 2021-01-06 10:45:11 -07:00
Sean Bowe
a2999accb5
Rename DummyHash{Reader,Writer} to DummyHash{Read,Write}. 2021-01-06 10:45:11 -07:00
Sean Bowe
7ffd28a1b5
Remove unnecessary separate msm from commitment::verify_proof. 2021-01-06 10:45:11 -07:00
Sean Bowe
4ecbfb548e
Remove unnecessary lifetimes. 2021-01-06 10:45:11 -07:00
Sean Bowe
06552eec44
Update the PLONK implementation to adapt to the new transcript API. 2021-01-06 10:45:11 -07:00
Sean Bowe
5be7d9525d
Update multiopen APIs to reflect changes made to Transcript APIs 2021-01-06 10:45:10 -07:00