Contracts

Overview

Stealth Pay consists of three deployed contracts: a PrivacyPool (upgradeable UUPS proxy), a ShieldVerifier, and a SpendVerifier. The verifiers are generated from compiled UltraHonk circuits by Barretenberg and are not upgradeable.

PrivacyPool

Core logic: token custody, Merkle tree, nullifier registry. UUPS upgradeable.

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ShieldVerifier

Verifies ZK proofs for the shield circuit. Immutable.

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SpendVerifier

Verifies ZK proofs for the spend circuit. Immutable.

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←sdk.sync()

PrivacyPool→