@zkp2p/reclaim-witness-sdk
Version:
<div> <div> <img src="https://raw.githubusercontent.com/reclaimprotocol/.github/main/assets/banners/Attestor-Core.png" /> </div> </div>
102 lines • 6.83 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getCurrentMemoryUsage = getCurrentMemoryUsage;
exports.generateRpcRequestId = generateRpcRequestId;
exports.getWsApiUrlFromLocation = getWsApiUrlFromLocation;
exports.mapToCreateClaimResponse = mapToCreateClaimResponse;
exports.waitForResponse = waitForResponse;
const ethers_1 = require("ethers");
const config_1 = require("../config");
const utils_1 = require("../utils");
// track memory usage
async function getCurrentMemoryUsage() {
if (!window.crossOriginIsolated) {
return {
available: false,
content: 'N/A (page not cross-origin-isolated)'
};
}
else if (!performance.measureUserAgentSpecificMemory) {
return {
available: false,
content: 'N/A (performance.measureUserAgentSpecificMemory() is not available)',
};
}
else {
try {
const result = performance.measureUserAgentSpecificMemory();
const totalmb = Math.round(result.bytes / 1024 / 1024);
return {
available: true,
content: `${totalmb}mb`,
};
}
catch (error) {
if (error instanceof DOMException && error.name === 'SecurityError') {
return {
available: false,
content: `N/A (${error.message})`,
};
}
throw error;
}
}
}
function generateRpcRequestId() {
return Math.random().toString(36).slice(2);
}
/**
* The window RPC will be served from the same origin as the API server.
* so we can get the API server's origin from the location.
*/
function getWsApiUrlFromLocation() {
const { host, protocol } = location;
const wsProtocol = protocol === 'https:' ? 'wss:' : 'ws:';
return `${wsProtocol}//${host}${config_1.WS_PATHNAME}`;
}
function mapToCreateClaimResponse(res) {
if (!res.claim) {
throw utils_1.AttestorError.fromProto(res.error);
}
return {
identifier: (0, utils_1.getIdentifierFromClaimInfo)(res.claim),
claimData: res.claim,
witnesses: [
{
id: res.signatures.attestorAddress,
url: getWsApiUrlFromLocation()
}
],
signatures: [
ethers_1.ethers.utils
.hexlify(res.signatures.claimSignature)
.toLowerCase()
]
};
}
function waitForResponse(type, requestId, bridge, timeoutMs = 60000) {
const returnType = `${type}Done`;
return new Promise((resolve, reject) => {
const timeout = setTimeout(() => {
reject(new utils_1.AttestorError('ERROR_INTERNAL', `Timeout waiting for response: ${type}`, { requestId }));
cancel();
}, timeoutMs);
const cancel = bridge.onMessage(msg => {
if (msg.id !== requestId) {
return;
}
if (msg.type === 'error') {
reject(new Error(msg.data.message));
}
else if (msg.type === returnType) {
resolve(msg.response);
}
else {
return;
}
clearTimeout(timeout);
cancel();
});
});
}
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