redstone-api
Version:
Javascript library for fetching trusted token pricing data from Redstone data ecosystem
144 lines (143 loc) • 7.93 kB
JavaScript
;
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());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var arweave_multihost_1 = __importDefault(require("arweave-multihost"));
var arweave_1 = __importDefault(require("arweave"));
var ar_gql_1 = require("ar-gql");
var pako_1 = __importDefault(require("pako"));
var config_1 = __importDefault(require("../config"));
// TODO: revert LAST_BLOCKS_TO_CHECK to 50
var LAST_BLOCKS_TO_CHECK = 5000;
var ArweaveProxy = /** @class */ (function () {
function ArweaveProxy() {
this.arweaveClient = arweave_multihost_1.default.initWithDefaultHosts({
timeout: 10000,
logging: false, // Enable network request logging
});
}
ArweaveProxy.prototype.findPricesInGraphQL = function (parameters) {
return __awaiter(this, void 0, void 0, function () {
var networkInfo, minBlock, query, res, node, tags, _i, _a, _b, name_1, value;
return __generator(this, function (_c) {
switch (_c.label) {
case 0: return [4 /*yield*/, this.arweaveClient.network.getInfo()];
case 1:
networkInfo = _c.sent();
minBlock = networkInfo.height - LAST_BLOCKS_TO_CHECK;
query = "\n {\n transactions(\n tags: [\n { name: \"app\", values: \"Redstone\" }\n { name: \"type\", values: \"" + parameters.type + "\" }\n { name: \"version\", values: \"" + parameters.version + "\" }\n ]\n block: { min: " + minBlock + " }\n owners: [\"" + parameters.providerAddress + "\"]\n first: 1\n ) {\n edges {\n node {\n tags {\n name\n value\n }\n id\n }\n }\n }\n }";
return [4 /*yield*/, ar_gql_1.run(query)];
case 2:
res = (_c.sent()).data.transactions.edges;
if (res.length > 0) {
node = res[0].node;
tags = {};
for (_i = 0, _a = node.tags; _i < _a.length; _i++) {
_b = _a[_i], name_1 = _b.name, value = _b.value;
tags[name_1] = value;
}
return [2 /*return*/, {
permawebTx: node.id,
tags: tags,
}];
}
else {
return [2 /*return*/, undefined];
}
return [2 /*return*/];
}
});
});
};
ArweaveProxy.prototype.getTxDataById = function (txId, opts) {
return __awaiter(this, void 0, void 0, function () {
var data, gunzippedData, strData;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.arweaveClient.transactions.getData(txId, {
decode: true,
})];
case 1:
data = _a.sent();
gunzippedData = pako_1.default.ungzip(Buffer.from(data));
strData = arweave_1.default.utils.bufferToString(gunzippedData);
if (opts !== undefined && opts.parseJSON) {
return [2 /*return*/, JSON.parse(strData)];
}
else {
return [2 /*return*/, strData];
}
return [2 /*return*/];
}
});
});
};
ArweaveProxy.prototype.getProviderDetails = function (providerName) {
return __awaiter(this, void 0, void 0, function () {
var mapping;
return __generator(this, function (_a) {
mapping = config_1.default.providers;
if (mapping[providerName] === undefined) {
throw new Error("Provider details not found: " + providerName);
}
else {
return [2 /*return*/, mapping[providerName]];
}
return [2 /*return*/];
});
});
};
ArweaveProxy.prototype.verifySignature = function (args) {
return __awaiter(this, void 0, void 0, function () {
var signedBytes, signatureBytes;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
signedBytes = new TextEncoder().encode(args.signedData);
signatureBytes = Uint8Array.from(Buffer.from(args.signature, "base64"));
return [4 /*yield*/, this.arweaveClient.crypto.verify(args.signerPublicKey, signedBytes, signatureBytes)];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
return ArweaveProxy;
}());
exports.default = ArweaveProxy;