From 504683c067eae2691102d95ed31820716e5e43ef Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Fri, 24 May 2024 10:24:09 +0200
Subject: [PATCH] Add verifierData.ts

---
 .../oracles/src/noir/circuit/verifierData.ts  | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 ethereum/oracles/src/noir/circuit/verifierData.ts

diff --git a/ethereum/oracles/src/noir/circuit/verifierData.ts b/ethereum/oracles/src/noir/circuit/verifierData.ts
new file mode 100644
index 00000000..7fd8317d
--- /dev/null
+++ b/ethereum/oracles/src/noir/circuit/verifierData.ts
@@ -0,0 +1,29 @@
+import { Abi, InputMap, abiEncode } from '@noir-lang/noirc_abi';
+import { readTomlObject } from '../../util/file.js';
+import { Hex } from 'viem';
+import { CircuitAbi } from './abi.js';
+
+export class VerifierData {
+  public static async create(verifierTomlPath: string, abi: Abi) {
+    const verifierData = await readTomlObject<InputMap>(verifierTomlPath);
+    return new VerifierData(new CircuitAbi(abi), verifierData);
+  }
+
+  public publicInputs(): Hex[] {
+    return this.encodeSubset(this.abi.public());
+  }
+
+  public returnValues(): Hex[] {
+    return this.encodeSubset(this.abi.return());
+  }
+
+  public encodeSubset(subset: Abi): Hex[] {
+    const subsetEncodedMap = abiEncode(subset, this.verifierData, this.verifierData.return);
+    return Array.from(subsetEncodedMap.values()) as Hex[];
+  }
+
+  private constructor(
+    private abi: CircuitAbi,
+    private verifierData: InputMap
+  ) {}
+}