Using up to date libraries for EC and BigNumber

test/index.test.ts

@@ -1,18 +1,27 @@
 import * as assert from 'assert'
-import * as BigInteger from 'bigi'
-// import { Point } from 'ecurve'
-import { keccak256 } from "@ethersproject/keccak256"
 
-import { newBigFromString, ecparams, newKeyPair, newRequestParameters, blind, blindSign, unblind, verify } from "../src/index"
+import {
+	bigNumberFromString,
+	ecParams,
+	newKeyPair,
+	newRequestParameters,
+	blind,
+	blindSign,
+	unblind,
+	verify,
+	hashBigNumber,
+	Point,
+	BigNumber
+} from "../src/index"
 
 describe("keccak256", function () {
 	it("keccak256", async () => {
-		const m = BigInteger.fromBuffer(Buffer.from("test", 'utf8'))
-		const mHex = m.toString(16)
-		const hHex = keccak256('0x' + mHex)
-		assert.strictEqual('0x9c22ff5f21f0b81b113e63f7db6da94fedef11b2119b4088b89664fb9a3cb658', hHex)
-		const h = BigInteger.fromHex(hHex.slice(2))
-		assert.strictEqual('70622639689279718371527342103894932928233838121221666359043189029713682937432', h.toString())
+		const msg = Buffer.from("test", 'utf8')
+		const m = new BigNumber(msg)
+		const hHex = hashBigNumber(m)
+		assert.strictEqual(hHex, '9c22ff5f21f0b81b113e63f7db6da94fedef11b2119b4088b89664fb9a3cb658')
+		const h = new BigNumber(Buffer.from(hHex, "hex"))
+		assert.strictEqual(h.toString(), '70622639689279718371527342103894932928233838121221666359043189029713682937432')
 	})
 })
 
@@ -22,7 +31,7 @@ describe("test blind", function () {
 
 		const { k, signerR } = newRequestParameters()
 
-		const msg = BigInteger.fromBuffer(
+		const msg = new BigNumber(
 			Buffer.from("test", 'utf8')
 		)
 		assert.strictEqual('1952805748', msg.toString())