circom-helper
Version:
A convenient way for developers to compile, cache, and execute circom circuits, as well as to generate proofs.
195 lines • 8.54 kB
JavaScript
;
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.prototype.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());
});
};
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 };
};
exports.__esModule = true;
exports.launchServer = exports.createApp = void 0;
var fs = __importStar(require("fs"));
var path = __importStar(require("path"));
//require('module-alias/register')
var ajv_1 = __importDefault(require("ajv"));
var koa_1 = __importDefault(require("koa"));
var koa_bodyparser_1 = __importDefault(require("koa-bodyparser"));
var koa_helmet_1 = __importDefault(require("koa-helmet"));
var routes_1 = require("./routes");
var JsonRpc = __importStar(require("./jsonRpc"));
//const ajv = new Ajv({ missingRefs: 'ignore' })
var ajv = new ajv_1["default"]();
ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-06.json'));
//const jsonRpcSchema = require('@circom-helper/schemas/jsonRpc.json')
var jsonRpcSchema = JSON.parse(fs.readFileSync(path.join(__dirname, '..', '..', 'schemas', 'jsonRpc.json')).toString());
var basicValidate = ajv.compile(jsonRpcSchema);
/*
* Validate the request against the basic JSON-RPC 2.0 schema
*/
var validateJsonRpcSchema = function (ctx, next) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!basicValidate(JSON.parse(ctx.request.rawBody))) return [3 /*break*/, 2];
return [4 /*yield*/, next()];
case 1:
_a.sent();
return [3 /*break*/, 3];
case 2:
ctx.type = 'application/json-rpc';
ctx.body = JsonRpc.genErrorResponse(null, JsonRpc.Errors.invalidRequest.code, JsonRpc.Errors.invalidRequest.message);
_a.label = 3;
case 3: return [2 /*return*/];
}
});
}); };
/*
* Middleware to ensure that the request body is valid JSON
*/
var validateJsonParse = function (ctx, next) { return __awaiter(void 0, void 0, void 0, function () {
var err_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
JSON.parse(ctx.request.rawBody);
return [4 /*yield*/, next()];
case 1:
_a.sent();
return [3 /*break*/, 3];
case 2:
err_1 = _a.sent();
ctx.type = 'application/json-rpc';
ctx.body = JsonRpc.genErrorResponse(null, JsonRpc.Errors.parseError.code, JsonRpc.Errors.parseError.message);
return [3 /*break*/, 3];
case 3: return [2 /*return*/];
}
});
}); };
/*
* Middleware to ensure that the HTTP Content-Type is
* either application/json-rpc, applicaton/json, or application/jsonrequest
*/
var validateHeaders = function (ctx, next) { return __awaiter(void 0, void 0, void 0, function () {
var contentType;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
contentType = ctx.request.type;
if (!(contentType === 'application/json' ||
contentType === 'text/plain')) return [3 /*break*/, 2];
return [4 /*yield*/, next()];
case 1:
_a.sent();
return [3 /*break*/, 3];
case 2:
ctx["throw"](400, 'Invalid content-type');
_a.label = 3;
case 3: return [2 /*return*/];
}
});
}); };
/*
* Middleware to ensure that the HTTP method is only POST
*/
var validateMethod = function (ctx, next) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!(ctx.request.method !== 'POST')) return [3 /*break*/, 1];
ctx["throw"](405, 'Method not allowed');
return [3 /*break*/, 3];
case 1: return [4 /*yield*/, next()];
case 2:
_a.sent();
_a.label = 3;
case 3: return [2 /*return*/];
}
});
}); };
/*
* Returns a Koa app
*/
var createApp = function (state) {
if (state === void 0) { state = {}; }
var app = new koa_1["default"]();
// Set middleware
app.use(koa_helmet_1["default"]());
app.use(koa_bodyparser_1["default"]({
enableTypes: ['json', 'text'],
disableBodyParser: true
}));
// Validate basic JSON-RPC 2.0 requirements
app.use(validateMethod);
app.use(validateHeaders);
app.use(validateJsonParse);
app.use(validateJsonRpcSchema);
// Let the router handle everything else
app.use(routes_1.genRouter(state));
return app;
};
exports.createApp = createApp;
var launchServer = function (port, state) {
if (state === void 0) { state = {}; }
return __awaiter(void 0, void 0, void 0, function () {
var app;
return __generator(this, function (_a) {
app = createApp(state);
app.listen(port);
return [2 /*return*/, app];
});
});
};
exports.launchServer = launchServer;
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