init

services/pedersen.js

@@ -0,0 +1,26 @@
+import { buildPedersenHash } from 'circomlibjs'
+
+class Pedersen {
+  constructor() {
+    this.pedersenHash = null
+    this.babyJub = null
+    this.initPedersen()
+  }
+
+  async initPedersen() {
+    this.pedersenHash = await buildPedersenHash()
+    this.babyJub = this.pedersenHash.babyJub
+  }
+
+  unpackPoint(buffer) {
+    return this.babyJub.unpackPoint(this.pedersenHash.hash(buffer))
+  }
+
+  toStringBuffer(buffer) {
+    return this.babyJub.F.toString(buffer)
+  }
+}
+
+const pedersen = new Pedersen()
+
+export { pedersen }