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chore: merge BarretenbergVerifierBackend and BarretenbergBackend #5399

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Merged
TomAFrench merged 2 commits into from
Jul 8, 2024
Merged

chore: merge BarretenbergVerifierBackend and BarretenbergBackend #5399

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f0be91b
chore: merge `BarretenbergVerifierBackend` and `BarretenbergBackend`
TomAFrench Jul 3, 2024
f57b6c5
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TomAFrench Jul 3, 2024
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46 changes: 22 additions & 24 deletions tooling/noir_js_backend_barretenberg/src/backend.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ import { type Barretenberg } from '@aztec/bb.js';
// minus the public inputs.
const numBytesInProofWithoutPublicInputs: number = 2144;

export class BarretenbergVerifierBackend implements VerifierBackend {
export class BarretenbergBackend implements Backend, VerifierBackend {
// These type assertions are used so that we don't
// have to initialize `api` and `acirComposer` in the constructor.
// These are initialized asynchronously in the `init` function,
Expand Down Expand Up @@ -60,29 +60,6 @@ export class BarretenbergVerifierBackend implements VerifierBackend {
}
}

/** @description Verifies a proof */
async verifyProof(proofData: ProofData): Promise<boolean> {
const proof = reconstructProofWithPublicInputs(proofData);
await this.instantiate();
await this.api.acirInitVerificationKey(this.acirComposer);
return await this.api.acirVerifyProof(this.acirComposer, proof);
}

async getVerificationKey(): Promise<Uint8Array> {
await this.instantiate();
await this.api.acirInitVerificationKey(this.acirComposer);
return await this.api.acirGetVerificationKey(this.acirComposer);
}

async destroy(): Promise<void> {
if (!this.api) {
return;
}
await this.api.destroy();
}
}

export class BarretenbergBackend extends BarretenbergVerifierBackend implements Backend {
/** @description Generates a proof */
async generateProof(compressedWitness: Uint8Array): Promise<ProofData> {
await this.instantiate();
Expand Down Expand Up @@ -144,4 +121,25 @@ export class BarretenbergBackend extends BarretenbergVerifierBackend implements
vkHash: vk[1].toString(),
};
}

/** @description Verifies a proof */
async verifyProof(proofData: ProofData): Promise<boolean> {
const proof = reconstructProofWithPublicInputs(proofData);
await this.instantiate();
await this.api.acirInitVerificationKey(this.acirComposer);
return await this.api.acirVerifyProof(this.acirComposer, proof);
}

async getVerificationKey(): Promise<Uint8Array> {
await this.instantiate();
await this.api.acirInitVerificationKey(this.acirComposer);
return await this.api.acirGetVerificationKey(this.acirComposer);
}

async destroy(): Promise<void> {
if (!this.api) {
return;
}
await this.api.destroy();
}
}