Add verifierData.ts

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
+  ) {}
+}