@moonwall/util
Version:
Testing framework for the Moon family of projects
113 lines • 3.5 kB
JavaScript
import "@moonbeam-network/api-augment";
import { BN } from "@polkadot/util";
// Sort dict by key
export function sortObjectByKeys(obj) {
const sortedKeys = Object.keys(obj).sort();
const sortedObj = {};
for (const key of sortedKeys) {
sortedObj[key] = obj[key];
}
return sortedObj;
}
// Perthings arithmetic conformant type.
class Perthing {
unit;
perthing;
constructor(unit, num, denom) {
let numerator = num;
let denominator = denom;
if (!(numerator instanceof BN)) {
numerator = new BN(numerator.toString());
}
if (denominator && !(denominator instanceof BN)) {
denominator = new BN(denominator.toString());
}
this.unit = unit;
if (denominator) {
this.perthing = numerator.mul(unit).div(denominator);
}
else {
this.perthing = numerator;
}
}
value() {
return this.perthing;
}
of(value) {
return this.divNearest(this.perthing.mul(value), this.unit);
}
ofCeil(value) {
return this.divCeil(this.perthing.mul(value), this.unit);
}
toString() {
return `${this.perthing.toString()}`;
}
divCeil(a, num) {
const dm = a.divmod(num);
// Fast case - exact division
if (dm.mod.isZero())
return dm.div;
// Round up
return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
}
divNearest(a, num) {
const dm = a.divmod(num);
// Fast case - exact division
if (dm.mod.isZero())
return dm.div;
const mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
const half = num.ushrn(1);
const r2 = num.andln(1);
const cmp = mod.cmp(half);
// Round down
if (cmp <= 0 || (r2 === new BN(1) && cmp === 0))
return dm.div;
// Round up
return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
}
}
// Perthings arithmetic conformant type representing part(s) per billion.
export class Perbill extends Perthing {
constructor(numerator, denominator) {
super(new BN(1_000_000_000), numerator, denominator);
}
}
// Perthings arithmetic conformant type representing part(s) per cent.
export class Percent extends Perthing {
constructor(numerator, denominator) {
super(new BN(100), numerator, denominator);
}
}
export function getObjectMethods(obj) {
const properties = new Set();
let currentObj = obj;
while (currentObj) {
for (const item of Object.getOwnPropertyNames(currentObj)) {
properties.add(item);
}
currentObj = Object.getPrototypeOf(currentObj);
}
return Array.from(properties).filter((item) => typeof obj[item] === "function");
}
export async function directRpcRequest(endpoint, method, params = []) {
const data = {
jsonrpc: "2.0",
id: 1,
method,
params,
};
if (endpoint.startsWith("ws")) {
console.log("you've passed a websocket to fetch, is this intended?");
}
const response = await fetch(endpoint, {
method: "POST",
body: JSON.stringify(data),
headers: { "Content-Type": "application/json" },
});
const responseData = (await response.json());
if (responseData.error) {
throw new Error(responseData.error.message);
}
return responseData.result;
}
//# sourceMappingURL=common.js.map