From e173dd817b794d2bdadaa7ed45583798aaa91f0d Mon Sep 17 00:00:00 2001
From: benbierens <thatbenbierens@gmail.com>
Date: Thu, 8 Aug 2024 14:45:13 +0200
Subject: [PATCH] bumps constantine, updates curves

---
 poseidon2.nim          | 4 ++--
 poseidon2.nimble       | 2 +-
 poseidon2/io.nim       | 6 +++---
 poseidon2/roundfun.nim | 2 +-
 poseidon2/types.nim    | 4 ++--
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/poseidon2.nim b/poseidon2.nim
index 694f12b..68792f5 100644
--- a/poseidon2.nim
+++ b/poseidon2.nim
@@ -16,5 +16,5 @@ export elements
 export types
 
 # workaround for "undeclared identifier: 'getCurveOrder'"
-import constantine/math/config/curves
-export curves
+import constantine/named/algebras
+export algebras
diff --git a/poseidon2.nimble b/poseidon2.nimble
index 131eac7..1e7ed96 100644
--- a/poseidon2.nimble
+++ b/poseidon2.nimble
@@ -3,4 +3,4 @@ author = "nim-poseidon2 authors"
 description = "Poseidon2 hash function"
 license = "MIT"
 
-requires "https://github.com/mratsim/constantine#ab6fa6ae1bbbd1b10071a92ec209b381b5d82511"
+requires "https://github.com/mratsim/constantine#1e34ec22929eaba7bcf1681350ec21aed8f370f7"
diff --git a/poseidon2/io.nim b/poseidon2/io.nim
index 68d7157..4ca3f30 100644
--- a/poseidon2/io.nim
+++ b/poseidon2/io.nim
@@ -2,10 +2,10 @@ import std/options
 import constantine/math/arithmetic
 import constantine/math/io/io_bigints
 import constantine/math/io/io_fields
-import constantine/math/config/curves
+import constantine/named/algebras
 import ./types
 
-export curves
+export algebras
 
 func fromOpenArray(_: type F, bytes: openArray[byte]): F =
   F.fromBig(B.unmarshal(bytes, littleEndian))
@@ -19,7 +19,7 @@ func fromBytes*(_: type F, bytes: array[32, byte]): Option[F] =
   ## Converts bytes into a field element. The byte array is interpreted as a
   ## canonical little-endian big integer.
   let big = B.unmarshal(bytes, littleEndian)
-  if bool(big < F.fieldMod()):
+  if bool(big < F.getModulus()):
     return some(F.fromBig(big))
 
 func toBytes*(element: F): array[32, byte] =
diff --git a/poseidon2/roundfun.nim b/poseidon2/roundfun.nim
index 7e9d5a0..dc087aa 100644
--- a/poseidon2/roundfun.nim
+++ b/poseidon2/roundfun.nim
@@ -1,6 +1,6 @@
 import
   constantine/math/arithmetic,
-  constantine/math/config/curves
+  constantine/named/algebras
 
 import ./types
 import ./roundconst
diff --git a/poseidon2/types.nim b/poseidon2/types.nim
index 2c9fa52..98d567d 100644
--- a/poseidon2/types.nim
+++ b/poseidon2/types.nim
@@ -3,12 +3,12 @@ import
   constantine/math/arithmetic,
   constantine/math/io/io_fields,
   constantine/math/io/io_bigints,
-  constantine/math/config/curves
+  constantine/named/algebras
 
 #-------------------------------------------------------------------------------
 
 type B* = BigInt[254]
-type F* = Fr[BN254Snarks]
+type F* = Fr[BN254_Snarks]
 type S* = (F,F,F)
 
 #-------------------------------------------------------------------------------