@nomiclabs/buidler
Version:
Buidler is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.
69 lines • 2.14 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const errors_1 = require("../core/errors");
const errors_list_1 = require("../core/errors-list");
function parseJsonResponse(text) {
try {
const json = JSON.parse(text);
if (!isValidJsonResponse(json)) {
// We are sending the proper error inside the catch part of the statement.
// We just need to raise anything here.
// tslint:disable-next-line only-buidler-error
throw new Error();
}
return json;
}
catch (error) {
throw new errors_1.BuidlerError(errors_list_1.ERRORS.NETWORK.INVALID_JSON_RESPONSE, {
response: text,
});
}
}
exports.parseJsonResponse = parseJsonResponse;
function isValidJsonRequest(payload) {
if (payload.jsonrpc !== "2.0") {
return false;
}
if (typeof payload.id !== "number" && typeof payload.id !== "string") {
return false;
}
if (typeof payload.method !== "string") {
return false;
}
if (payload.params !== undefined && !Array.isArray(payload.params)) {
return false;
}
return true;
}
exports.isValidJsonRequest = isValidJsonRequest;
function isValidJsonResponse(payload) {
if (payload.jsonrpc !== "2.0") {
return false;
}
if (typeof payload.id !== "number" &&
typeof payload.id !== "string" &&
payload.id !== null) {
return false;
}
if (payload.id === null && payload.error === undefined) {
return false;
}
if (payload.result === undefined && payload.error === undefined) {
return false;
}
if (payload.error !== undefined) {
if (typeof payload.error.code !== "number") {
return false;
}
if (typeof payload.error.message !== "string") {
return false;
}
}
return true;
}
exports.isValidJsonResponse = isValidJsonResponse;
function isSuccessfulJsonResponse(payload) {
return "response" in payload;
}
exports.isSuccessfulJsonResponse = isSuccessfulJsonResponse;
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