Jaco Greeff
64c5868110
* Return value from array on subscription * Add final round of examples * Use padEnd instead of spaces... * Small cleanups
37 lines
1.3 KiB
JavaScript
Executable File
37 lines
1.3 KiB
JavaScript
Executable File
// Import our API, Keyring and some utility functions
|
|
const { ApiPromise } = require('@polkadot/api');
|
|
const Keyring = require('@polkadot/util-keyring').default;
|
|
const u8aFromUtf8 = require('@polkadot/util/u8a/fromUtf8').default;
|
|
|
|
const ALICE_SEED = 'Alice'.padEnd(32, ' ');
|
|
const BOB_ADDR = '5Gw3s7q4QLkSWwknsiPtjujPv3XM4Trxi5d4PgKMMk3gfGTE';
|
|
|
|
async function main () {
|
|
// create an instance of the keyring
|
|
const keyring = new Keyring();
|
|
|
|
// Add Alice to our keyring (with the known seed for the account)
|
|
const alice = keyring.addFromSeed(u8aFromUtf8(ALICE_SEED));
|
|
|
|
// instantiate the API
|
|
const api = await ApiPromise.create();
|
|
|
|
// retrieve the nonce for Alice, used to sign the transaction
|
|
const aliceNonce = await api.st.system.accountNonce(alice.address());
|
|
|
|
// Create a extrinsic, transferring 12345 units to Bob. We can also create,
|
|
// sign and send in one operation (as per the samples in the Api documentation),
|
|
// here we split it out for the sake of readability
|
|
const transfer = api.tx.balances.transfer(BOB_ADDR, 12345);
|
|
|
|
// sign the transaction using our account
|
|
transfer.sign(alice, aliceNonce);
|
|
|
|
// send the transaction and retrieve the resulting Hash
|
|
const hash = await transfer.send();
|
|
|
|
console.log(`transfer 12345 to Bob with hash ${hash}`);
|
|
}
|
|
|
|
main().catch(console.error).finally(_ => process.exit());
|