@polkadot/api
Version:
Promise and RxJS wrappers around the Polkadot JS RPC
62 lines (61 loc) • 2.08 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ApiBase = void 0;
const util_1 = require("@polkadot/util");
const Getters_js_1 = require("./Getters.js");
class ApiBase extends Getters_js_1.Getters {
/**
* @description Create an instance of the class
*
* @param options Options object to create API instance or a Provider instance
*
* @example
* <BR>
*
* ```javascript
* import Api from '@polkadot/api/promise';
*
* const api = new Api().isReady();
*
* api.rpc.subscribeNewHeads((header) => {
* console.log(`new block #${header.number.toNumber()}`);
* });
* ```
*/
constructor(options = {}, type, decorateMethod) {
super(options, type, decorateMethod);
}
/**
* @description Connect from the underlying provider, halting all network traffic
*/
connect() {
return this._rpcCore.connect();
}
/**
* @description Disconnect from the underlying provider, halting all network traffic
*/
disconnect() {
this._unsubscribe();
return this._rpcCore.disconnect();
}
/**
* @description Set an external signer which will be used to sign extrinsic when account passed in is not KeyringPair
*/
setSigner(signer) {
this._rx.signer = signer;
}
/**
* @description Signs a raw signer payload, string or Uint8Array
*/
async sign(address, data, { signer } = {}) {
if ((0, util_1.isString)(address)) {
const _signer = signer || this._rx.signer;
if (!_signer?.signRaw) {
throw new Error('No signer exists with a signRaw interface. You possibly need to pass through an explicit keypair for the origin so it can be used for signing.');
}
return (await _signer.signRaw((0, util_1.objectSpread)({ type: 'bytes' }, data, { address }))).signature;
}
return (0, util_1.u8aToHex)(address.sign((0, util_1.u8aToU8a)(data.data)));
}
}
exports.ApiBase = ApiBase;