37 lines
1.3 KiB
JavaScript
Executable File
37 lines
1.3 KiB
JavaScript
Executable File
// Import the API, Keyring and some utility functions
|
|
const { ApiPromise } = require('@polkadot/api');
|
|
const { Keyring } = require('@polkadot/keyring');
|
|
const { stringToU8a } = require('@polkadot/util');
|
|
|
|
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(stringToU8a(ALICE_SEED));
|
|
|
|
// Instantiate the API
|
|
const api = await ApiPromise.create();
|
|
|
|
// Retrieve the nonce for Alice, to be used to sign the transaction
|
|
const aliceNonce = await api.query.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());
|