/**
 * WalletProvisioned gossip codec — wire-byte-identical to the Rust
 * `WalletProvisionedGossip` struct in `agent-node/src/network/topics.rs`
 * and the mobile codec in `mobile/src/lib/wire-protocol.ts`.
 *
 * Per-wallet DKG completion attestation. Each agent that wrote a share +
 * metadata to disk publishes one of these immediately after finalize.
 * Every other agent counts unique attestations into
 * `protocol::wallet_provisioning_attestations`. `/sign` rejects until the
 * count equals `expected_committee_size` AND every reported scheme is
 * identical — eliminates silent committee degradation.
 *
 * Rust struct (bincode v1, little-endian, fixed-int):
 *
 *   pub struct WalletProvisionedGossip {
 *       pub signature_65: Vec<u8>,       // u64 LE len + bytes
 *       pub publisher_address: String,   // u64 LE len + utf8 bytes
 *       pub wallet_id: String,
 *       pub agent_peer_id: String,
 *       pub scheme: String,              // "dkls23" | "frost-secp256k1" | ...
 *       pub group_pk_hash: [u8; 32],     // RAW 32 bytes (NO length prefix —
 *                                        //   bincode encodes fixed arrays
 *                                        //   as their inner bytes inline)
 *       pub timestamp: u64,              // u64 LE seconds since epoch
 *   }
 *
 * Publish topic: `sequence0/wallet-provisioned/v1`
 *
 * Digest covered by the EIP-191 signature (mirrors
 * `wallet_provisioned_digest` in `topics.rs`):
 *
 *   SHA256( "Sequence0WalletProvisioned\n"
 *        || wallet_id_utf8 || "\n"
 *        || agent_peer_id_utf8 || "\n"
 *        || scheme_utf8 || "\n"
 *        || group_pk_hash[32] || "\n"      // 32 raw bytes then one "\n"
 *        || timestamp.to_be_bytes() )      // big-endian u64
 *
 * The signer EIP-191 prefixes the digest:
 *   keccak256("\x19Ethereum Signed Message:\n32" || digest)
 * then ECDSA-signs with the operator owner key. `v = recid + 27` →
 * 65-byte signature. Verifier recovers to `publisher_address` (lowercase
 * EVM address compare).
 */
export interface WalletProvisionedGossip {
    /** 65-byte secp256k1 signature (r || s || v with v ∈ {27, 28}). */
    signature65: Uint8Array;
    /** EVM address (0x-prefixed) the signer claims to control. */
    publisherAddress: string;
    walletId: string;
    /** libp2p peer-id (base58btc) of the attesting agent / mobile peer. */
    agentPeerId: string;
    /** "dkls23" | "frost-secp256k1" | "frost-ed25519" | "cggmp21". */
    scheme: string;
    /** keccak256(compressed group public key) — 32 raw bytes. */
    groupPkHash: Uint8Array;
    /** Unix seconds — Rust replay window is `now-600s` .. `now+60s`. */
    timestamp: number;
}
export declare function encodeWalletProvisionedGossip(env: WalletProvisionedGossip): Uint8Array;
export declare function decodeWalletProvisionedGossip(bytes: Uint8Array): WalletProvisionedGossip;
/**
 * Compute the WalletProvisioned digest. Mirrors `wallet_provisioned_digest`
 * in `agent-node/src/network/topics.rs` byte-for-byte (SHA-256 over the
 * domain-tagged concatenation). Returns 32 raw bytes.
 *
 * `@noble/hashes` is an optional peer dependency — install it to use this
 * helper. The mobile + agent layers already depend on it.
 */
export declare function walletProvisionedDigest(walletId: string, agentPeerId: string, scheme: string, groupPkHash: Uint8Array, timestamp: number): Uint8Array;
/** WalletProvisioned gossip topic — must match Rust `Topics::WALLET_PROVISIONED`. */
export declare const TOPIC_WALLET_PROVISIONED = "sequence0/wallet-provisioned/v1";
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