@frakters/nft-lending-v2/lib/getArweaveMetadata/lib.js

Client library for interacting with nft lenging solana program

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getMeta = void 0;
const borsh_1 = require("borsh");
const web3_js_1 = require("@solana/web3.js");
const anchor = __importStar(require("@project-serum/anchor"));
const arweave_model_1 = require("./arweave.model");
const arweave_constant_1 = require("./arweave.constant");
const PubKeysInternedMap = new Map();
const wait = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
const toPublicKey = (key) => {
    if (typeof key !== 'string') {
        return key;
    }
    let result = PubKeysInternedMap.get(key);
    if (!result) {
        result = new web3_js_1.PublicKey(key);
        PubKeysInternedMap.set(key, result);
    }
    return result;
};
const findProgramAddress = (seeds, programId) => __awaiter(void 0, void 0, void 0, function* () {
    const result = yield web3_js_1.PublicKey.findProgramAddress(seeds, programId);
    return [result[0].toBase58(), result[1]];
});
const decodeMetadata = (buffer) => {
    const metadata = borsh_1.deserializeUnchecked(arweave_constant_1.METADATA_SCHEMA, arweave_model_1.Metadata, buffer);
    metadata.data.name = metadata.data.name.replace(/\0/g, '');
    metadata.data.symbol = metadata.data.symbol.replace(/\0/g, '');
    metadata.data.uri = metadata.data.uri.replace(/\0/g, '');
    metadata.data.name = metadata.data.name.replace(/\0/g, '');
    return metadata;
};
function getMetadata(pubkey, url) {
    return __awaiter(this, void 0, void 0, function* () {
        let metadata;
        try {
            const metadataPromise = yield fetchMetadataFromPDA(pubkey, url);
            if (metadataPromise && metadataPromise.data.length > 0) {
                metadata = decodeMetadata(metadataPromise.data);
            }
        }
        catch (error) {
            // eslint-disable-next-line no-console
            console.error(error);
        }
        return metadata;
    });
}
function getMetadataKey(tokenMint) {
    return __awaiter(this, void 0, void 0, function* () {
        return (yield findProgramAddress([Buffer.from(arweave_constant_1.METADATA_PREFIX), toPublicKey(arweave_constant_1.PROGRAM_IDS.metadata).toBuffer(), toPublicKey(tokenMint).toBuffer()], toPublicKey(arweave_constant_1.PROGRAM_IDS.metadata)))[0];
    });
}
function fetchMetadataFromPDA(pubkey, url) {
    return __awaiter(this, void 0, void 0, function* () {
        const connection = new anchor.web3.Connection(url);
        const metadataKey = yield getMetadataKey(pubkey.toBase58());
        return yield connection.getAccountInfo(toPublicKey(metadataKey));
    });
}
const createJsonObject = (url) => {
    const mints = [];
    return (mint) => __awaiter(void 0, void 0, void 0, function* () {
        var _a;
        const tokenMetadata = yield getMetadata(new anchor.web3.PublicKey(mint), url);
        if (!tokenMetadata) {
            return mints;
        }
        const arweaveData = yield fetch(tokenMetadata.data.uri)
            .then((res) => res.json().catch())
            .catch(() => {
            mints.push({ tokenMetadata, failed: true });
        });
        mints.push({
            tokenData: Object.assign(Object.assign({}, tokenMetadata.data), { creators: ((_a = tokenMetadata.data.creators) === null || _a === void 0 ? void 0 : _a.map((d) => {
                    return {
                        share: d.share,
                        address: new web3_js_1.PublicKey(d.address).toBase58(),
                        verified: !!d.verified,
                    };
                })) || null }),
            metadata: arweaveData,
            mint: mint,
        });
        yield wait(150);
        return mints;
    });
};
const resolveSequentially = (mints, func) => {
    return mints.reduce((previousPromise, mint) => {
        return previousPromise.then(() => func(mint));
    }, Promise.resolve());
};
exports.getMeta = (tokens, url) => __awaiter(void 0, void 0, void 0, function* () { return yield resolveSequentially(tokens, createJsonObject(url)); });