Jaco Greeff
7658399800
* Add examples for upgradeKey & transfer events * Remove CI-generated file * Update pcakage.json for examples
53 lines
1.7 KiB
JavaScript
Executable File
53 lines
1.7 KiB
JavaScript
Executable File
// Import the API & Provider and some utility functions
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const { ApiPromise } = require('@polkadot/api');
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// import the test keyring (already has dev keys for Alice, Bob, Charlie, Eve & Ferdie)
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const testKeyring = require('@polkadot/keyring/testing');
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// utility function for random values
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const { randomAsU8a } = require('@polkadot/util-crypto');
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// some constants we are using in this sample
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const ALICE = '5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaDtZ';
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const AMOUNT = 10000;
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async function main () {
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// create an instance of our testign keyring
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const keyring = testKeyring.default();
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// Create the API and wait until ready
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const api = await ApiPromise.create();
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// get the nonce for the admin key
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const aliceNonce = await api.query.system.accountNonce(ALICE);
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// find the actual keypair in the keyring
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const alicePair = keyring.getPair(ALICE);
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// create a new random recipient
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const recipient = keyring.addFromSeed(randomAsU8a(32)).address();
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console.log('Sending', AMOUNT, 'from', alicePair.address(), 'to', recipient, 'with nonce', aliceNonce.toString());
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// Do the transfer and track the actual status
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api.tx.balances
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.transfer(recipient, AMOUNT)
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.sign(alicePair, aliceNonce)
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.send(({ events = [], status, type }) => {
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console.log('Transaction status:', type);
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if (type === 'Finalised') {
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console.log('Completed at block hash', status.value.toHex());
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console.log('Events:');
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events.forEach(({ phase, event: { data, method, section } }) => {
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console.log('\t', phase.toString(), `: ${section}.${method}`, data.toString());
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});
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process.exit(0);
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}
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});
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}
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main().catch(console.error);
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