import { SchemeNetworkFacilitator, PaymentPayload, PaymentRequirements, VerifyResponse, SettleResponse, Network } from '@payai/x402/types';
import { S as SettlementCache } from '../../settlement-cache-D9gb94wH.js';
import { F as FacilitatorSvmSigner } from '../../signer-BMkbhFYE.js';
import { x402Facilitator } from '@payai/x402/facilitator';
import '@solana/kit';

/**
 * SVM facilitator implementation for the Exact payment scheme.
 */
declare class ExactSvmScheme implements SchemeNetworkFacilitator {
    private readonly signer;
    readonly scheme = "exact";
    readonly caipFamily = "solana:*";
    private readonly settlementCache;
    /**
     * Creates a new ExactSvmFacilitator instance.
     *
     * @param signer - The SVM RPC client for facilitator operations
     * @param settlementCache - Optional shared settlement cache (one is created if omitted)
     * @returns ExactSvmFacilitator instance
     */
    constructor(signer: FacilitatorSvmSigner, settlementCache?: SettlementCache);
    /**
     * Get mechanism-specific extra data for the supported kinds endpoint.
     * For SVM, this includes a randomly selected fee payer address.
     * Random selection distributes load across multiple signers.
     *
     * @param _ - The network identifier (unused for SVM)
     * @returns Extra data with feePayer address
     */
    getExtra(_: string): Record<string, unknown> | undefined;
    /**
     * Get signer addresses used by this facilitator.
     * For SVM, returns all available fee payer addresses.
     *
     * @param _ - The network identifier (unused for SVM)
     * @returns Array of fee payer addresses
     */
    getSigners(_: string): string[];
    /**
     * Verifies a payment payload.
     *
     * @param payload - The payment payload to verify
     * @param requirements - The payment requirements
     * @returns Promise resolving to verification response
     */
    verify(payload: PaymentPayload, requirements: PaymentRequirements): Promise<VerifyResponse>;
    /**
     * Settles a payment by submitting the transaction.
     * Ensures the correct signer is used based on the feePayer specified in requirements.
     *
     * @param payload - The payment payload to settle
     * @param requirements - The payment requirements
     * @returns Promise resolving to settlement response
     */
    settle(payload: PaymentPayload, requirements: PaymentRequirements): Promise<SettleResponse>;
    /**
     * Verify that the compute limit instruction is valid and within bounds.
     *
     * Security: Enforces MAX_COMPUTE_UNIT_LIMIT to prevent attackers from
     * inflating CU budget at the facilitator's expense (gas amplification attack).
     *
     * @param instruction - The compute limit instruction
     * @param instruction.programAddress - Program address
     * @param instruction.data - Instruction data bytes
     */
    private verifyComputeLimitInstruction;
    /**
     * Verify that the compute price instruction is valid.
     *
     * @param instruction - The compute price instruction
     * @param instruction.programAddress - Program address
     * @param instruction.data - Instruction data bytes
     */
    private verifyComputePriceInstruction;
}

/**
 * Configuration options for registering SVM schemes to an x402Facilitator
 */
interface SvmFacilitatorConfig {
    /**
     * The SVM signer for facilitator operations
     */
    signer: FacilitatorSvmSigner;
    /**
     * Networks to register (single network or array of networks)
     * Examples: "solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1", ["solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1", "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"]
     */
    networks: Network | Network[];
}
/**
 * Registers SVM payment schemes to an existing x402Facilitator instance.
 *
 * @param facilitator - The x402Facilitator instance to register schemes to
 * @param config - Configuration for SVM facilitator registration
 * @returns The facilitator instance for chaining
 *
 * @example
 * ```typescript
 * // Single network
 * registerExactSvmScheme(facilitator, {
 *   signer: svmSigner,
 *   networks: "solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1"  // Devnet
 * });
 *
 * // Multiple networks (will auto-derive solana:* pattern)
 * registerExactSvmScheme(facilitator, {
 *   signer: svmSigner,
 *   networks: ["solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1", "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"]
 * });
 * ```
 */
declare function registerExactSvmScheme(facilitator: x402Facilitator, config: SvmFacilitatorConfig): x402Facilitator;

export { ExactSvmScheme, type SvmFacilitatorConfig, registerExactSvmScheme };