@wuwei-labs/srsly/dist/types/utils/discountAuth.d.ts

TypeScript SDK for SRSLY

/**
 * @purpose Discount authorization helper for server-side signing
 * @module utils/discountAuth
 *
 * Convenience wrapper that fetches member nonce + vault automatically,
 * then delegates to slyvault's createDiscountAuth for signing.
 */
import { type Address } from '@solana/kit';
import { type MessageSigner, type SerializedDiscountAuth } from '@wuwei-labs/slyvault';
import { type SdkConfig } from './config';
export interface CreateDiscountParams {
    /** Affiliate member state PDA address */
    memberAddress: Address | string;
    /** Borrower wallet address (discount is bound to this address) */
    contextKey: Address | string;
    /** Discount basis points (10000 = 100%) */
    discountBps: number;
    /** Seconds from now until discount expires */
    expirySeconds: number;
    /**
     * The discount authority signer
     *
     * Accepts:
     * - A KeyPairSigner from @solana/kit
     * - A Uint8Array or number[] of 64 bytes (secret key)
     * - A JSON stringified keypair: "[1,2,3,...64 bytes]"
     */
    discountAuthority: MessageSigner | Uint8Array | number[] | string;
}
/**
 * Sign and serialize a discount authorization. Server-side helper that
 * lets a designated authority pre-grant a fee discount, which the holder
 * can later attach to a vault deposit to redeem.
 *
 * @param params - Discount parameters
 * @param config - Optional SDK configuration overrides
 * @returns SerializedDiscountAuth ready for JSON API response
 *
 * @example
 * ```typescript
 * // Server-side: create discount for a borrower
 * const auth = await createDiscount({
 *   memberAddress: 'AFFILIATE_MEMBER_PDA',
 *   contextKey: borrowerWallet,
 *   discountBps: 500, // 5%
 *   expirySeconds: 300, // 5 minutes
 *   discountAuthority: process.env.DISCOUNT_KEY, // JSON keypair string
 * });
 *
 * // Return via API — all fields are JSON-safe strings/numbers
 * res.json(auth);
 * ```
 */
export declare function createDiscount(params: CreateDiscountParams, config?: Partial<SdkConfig>): Promise<SerializedDiscountAuth>;
export { deserializeDiscountAuth } from '@wuwei-labs/slyvault';
export type { SerializedDiscountAuth, MessageSigner } from '@wuwei-labs/slyvault';
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