@bsv/wallet-toolbox-client
Version:
Client only Wallet Storage
53 lines • 2.12 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ChaintracksChainTracker = void 0;
const ChaintracksServiceClient_1 = require("./chaintracks/ChaintracksServiceClient");
const WalletError_1 = require("../../sdk/WalletError");
const utilityHelpers_1 = require("../../utility/utilityHelpers");
const WERR_errors_1 = require("../../sdk/WERR_errors");
class ChaintracksChainTracker {
constructor(chain, chaintracks, options) {
chain || (chain = 'main');
this.chaintracks =
chaintracks !== null && chaintracks !== void 0 ? chaintracks : new ChaintracksServiceClient_1.ChaintracksServiceClient(chain, `https://npm-registry.babbage.systems:808${chain === 'main' ? '4' : '3'}`);
this.cache = {};
this.options = options || {};
}
async currentHeight() {
return await this.chaintracks.getPresentHeight();
}
async isValidRootForHeight(root, height) {
const cachedRoot = this.cache[height];
if (cachedRoot) {
return cachedRoot === root;
}
let header;
const retries = this.options.maxRetries || 3;
let error = undefined;
for (let tryCount = 1; tryCount <= retries; tryCount++) {
try {
header = await this.chaintracks.findHeaderForHeight(height);
if (!header) {
return false;
}
break;
}
catch (eu) {
error = WalletError_1.WalletError.fromUnknown(eu);
if (tryCount > retries) {
throw error;
}
await (0, utilityHelpers_1.wait)(1000);
}
}
if (!header)
throw new WERR_errors_1.WERR_INTERNAL('no header should have returned false or thrown an error.');
this.cache[height] = header.merkleRoot;
if (header.merkleRoot !== root) {
return false;
}
return true;
}
}
exports.ChaintracksChainTracker = ChaintracksChainTracker;
//# sourceMappingURL=ChaintracksChainTracker.js.map