BarretenbergBackend

Extends

• BarretenbergVerifierBackend

Implements

• Backend

Constructors

new BarretenbergBackend(acirCircuit, options)

new BarretenbergBackend(acirCircuit, options): BarretenbergBackend

Parameters

Parameter	Type
acirCircuit	CompiledCircuit
options	BackendOptions

Returns

BarretenbergBackend

Inherited from

BarretenbergVerifierBackend.constructor

Properties

Property	Type	Description	Inheritance
acirComposer	any	-	BarretenbergVerifierBackend.acirComposer
acirUncompressedBytecode	Uint8Array	-	BarretenbergVerifierBackend.acirUncompressedBytecode
api	Barretenberg	-	BarretenbergVerifierBackend.api
options	BackendOptions	-	BarretenbergVerifierBackend.options

Methods

destroy()

destroy(): Promise<void>

Returns

Promise<void>

Implementation of

Backend.destroy

Inherited from

BarretenbergVerifierBackend.destroy

Description

Destroys the backend

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generateProof()

generateProof(compressedWitness): Promise<ProofData>

Parameters

Parameter	Type
compressedWitness	Uint8Array

Returns

Promise<ProofData>

Implementation of

Backend.generateProof

Description

Generates a proof

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generateRecursiveProofArtifacts()

generateRecursiveProofArtifacts(proofData, numOfPublicInputs): Promise<object>

Generates artifacts that will be passed to a circuit that will verify this proof.

Instead of passing the proof and verification key as a byte array, we pass them as fields which makes it cheaper to verify in a circuit.

The proof that is passed here will have been created using a circuit that has the #[recursive] attribute on its main method.

The number of public inputs denotes how many public inputs are in the inner proof.

Parameters

Parameter	Type	Default value
proofData	ProofData	undefined
numOfPublicInputs	number	0

Returns

Promise<object>

Implementation of

Backend.generateRecursiveProofArtifacts

Example

const artifacts = await backend.generateRecursiveProofArtifacts(proof, numOfPublicInputs);

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getVerificationKey()

getVerificationKey(): Promise<Uint8Array>

Returns

Promise<Uint8Array>

Inherited from

BarretenbergVerifierBackend.getVerificationKey

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verifyProof()

verifyProof(proofData): Promise<boolean>

Parameters

Parameter	Type
proofData	ProofData

Returns

Promise<boolean>

Implementation of

Backend.verifyProof

Inherited from

BarretenbergVerifierBackend.verifyProof

Description

Verifies a proof

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