@bit-gpt/h402/dist/facilitator/solana/facilitator.js

BitGPT's 402 open protocol for blockchain-native payments

import { verify as verifyExact, settle as settleExact, } from "../../schemes/exact/solana/index.js";
/**
 * Verifies a payment payload against the required payment details regardless of the scheme
 * this function wraps all verify functions for each specific scheme
 *
 * @param payload - The signed payment payload containing transfer parameters and signature
 * @param paymentRequirements - The payment requirements that the payload must satisfy
 * @returns A VerifyResponse indicating if the payment is valid and any invalidation reason
 */
export async function verify(payload, paymentRequirements) {
    if (paymentRequirements.scheme === "exact" &&
        paymentRequirements.namespace === "solana") {
        const valid = await verifyExact(payload, paymentRequirements);
        return valid;
    }
    return {
        isValid: false,
        invalidReason: "invalid_scheme",
    };
}
/**
 * Settles a payment payload against the required payment details regardless of the scheme
 * this function wraps all settle functions for each specific scheme
 *
 * @param client - The Solana client used for blockchain interactions
 * @param payload - The signed payment payload containing transfer parameters and signature
 * @param paymentRequirements - The payment requirements that the payload must satisfy
 * @returns A SettleResponse indicating if the payment is settled and any settlement reason
 */
export async function settle(client, payload, paymentRequirements) {
    if (paymentRequirements.scheme === "exact" &&
        paymentRequirements.namespace === "solana") {
        return settleExact(payload, paymentRequirements);
    }
    return {
        success: false,
        errorReason: "invalid_scheme",
        transaction: "",
        namespace: paymentRequirements.namespace,
    };
}
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