git.delta.rocks / unique-network / refs/commits / a9a743fa7b34

241  });241  });
242}242}
243243
244export async function findUnusedAddress(api: ApiPromise): Promise<IKeyringPair> {244export async function findUnusedAddress(api: ApiPromise, seedAddition = ''): Promise<IKeyringPair> {
245  let bal = new BigNumber(0);245  let bal = new BigNumber(0);
246  let unused;246  let unused;
247  do {247  do {
248    const randomSeed = 'seed' +  Math.floor(Math.random() * Math.floor(10000));248    const randomSeed = 'seed' +  Math.floor(Math.random() * Math.floor(10000)) + seedAddition;
249    const keyring = new Keyring({ type: 'sr25519' });249    const keyring = new Keyring({ type: 'sr25519' });
250    unused = keyring.addFromUri(`//${randomSeed}`);250    unused = keyring.addFromUri(`//${randomSeed}`);
251    bal = new BigNumber((await api.query.system.account(unused.address)).data.free.toString());251    bal = new BigNumber((await api.query.system.account(unused.address)).data.free.toString());
252  } while (bal.toFixed() != '0');252  } while (bal.toFixed() != '0');
253  return unused;253  return unused;
254}254}
255
256export function findUnusedAddresses(api: ApiPromise, amount: number): Promise<IKeyringPair[]> {
257  return Promise.all(new Array(amount).fill(null).map(() => findUnusedAddress(api, '_' + Date.now())));
258}
255259
256export async function findNotExistingCollection(api: ApiPromise): Promise<number> {260export async function findNotExistingCollection(api: ApiPromise): Promise<number> {
257  const totalNumber = parseInt((await api.query.nft.createdCollectionCount()).toString(), 10) as unknown as number;261  const totalNumber = parseInt((await api.query.nft.createdCollectionCount()).toString(), 10) as unknown as number;