initial commit.

schnorr.js

@@ -0,0 +1,10 @@
+import BigInteger from 'bigi'
+import ecurve from 'ecurve'
+
+const curve = ecurve.getCurveByName('secp256k1')
+const G = curve.G
+
+export function pubkeyFromPrivate(privateHex) {
+  const privKey = BigInteger.fromHex(privateHex)
+  return G.multiply(privKey).getEncoded(true).slice(1).toString('hex')
+}