From a8b819271414a0d1cdae5a80f6e3a89dcdec27cd Mon Sep 17 00:00:00 2001
From: Paul Miller <paul@paulmillr.com>
Date: Tue, 21 Mar 2023 02:06:06 +0000
Subject: [PATCH] Add CURVE.p param

---
 README.md             | 8 ++++++++
 src/abstract/curve.ts | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 320eb89..80d0722 100644
--- a/README.md
+++ b/README.md
@@ -152,6 +152,13 @@ import { hashToCurve, encodeToCurve } from '@noble/curves/ed448';
 ed448.getPublicKey(ed448.utils.randomPrivateKey());
 ```
 
+Every curve has params:
+
+```ts
+import { secp256k1 } from '@noble/curves/secp256k1'; // ESM and Common.js
+console.log(secp256k1.CURVE.p, secp256k1.CURVE.n, secp256k1.CURVE.a, secp256k1.CURVE.b);
+```
+
 BLS12-381 pairing-friendly Barreto-Lynn-Scott elliptic curve construction allows to
 construct [zk-SNARKs](https://z.cash/technology/zksnarks/) at the 128-bit security
 and use aggregated, batch-verifiable
@@ -359,6 +366,7 @@ point.assertValidity(); // Checks for being on-curve
 point.toAffine(); // Converts to 2d affine xy coordinates
 
 secq256k1.CURVE.n;
+secq256k1.CURVE.p;
 secq256k1.CURVE.Fp.mod();
 secq256k1.CURVE.hash();
 
diff --git a/src/abstract/curve.ts b/src/abstract/curve.ts
index 2ca0af7..23a2e9f 100644
--- a/src/abstract/curve.ts
+++ b/src/abstract/curve.ts
@@ -195,5 +195,5 @@ export function validateBasic<FP, T>(curve: BasicCurve<FP> & T) {
     }
   );
   // Set defaults
-  return Object.freeze({ ...nLength(curve.n, curve.nBitLength), ...curve } as const);
+  return Object.freeze({ ...nLength(curve.n, curve.nBitLength), ...curve, ...{p: curve.Fp.ORDER} } as const);
 }