Stefanie Doll
2433d8d1fc
* Docs: Fixed keyring examples * Docs: Added Rx examples * [Docs] Added timeout to showcase unsubscribe method in ApiPromise * [Docs] Added timeout to showcase unsubscribe method in ApiPromise * [Docs] Added comments to read_storage example * [Docs] Renamed "transfer_dots' to a more generic 'make_transfer' since it's not only DOT's * [Docs] ApiRx examples for simple_connect, listen_to_blocks (incl. unsubscribe), listen_to_balance_change and read_storage * [Docs] changed back keyring import syntax to require * [Docs] Removed provider from read storage example * [Docs] ApiRx "make transfer" example * [Docs] ApiRx "system events" example * [Docs] ApiRx "transfer events" example * [Docs] Removed unused utility functions import * [Docs] ApiRx 'upgrade chain' example * [Docs] removed generated html files * [Docs] Ficed wrong Readme of listen to blocks example * [Docs added missing import] * [Docs] Removed unsubscribe() example from 'listen to blocks' * [Docs] Added Unsubscribe example for ApiPromise and ApiRx * [Docs] Added links to summary * [Docs] Removed duplicate info/comment from 04_unsubscribe * [Docs] Fixed wording * [Docs] Log actual transaction status in "make_transfer" * [Docs] Changed author name * [Docs] Log actual transaction status in "make_transfer" * [Docs] changed headline of make_transfer example README's * [Docs] changed status.value to status.asFinalised * [Docs] Removed auto-generated html * [Docs] Changed all occurances of status.value.toHex() to status.asFinalised.toHex() * [Docs] Remove call to nonce observable from signAndSend examples * [Docs] Use RxJs' zip() operator instead of 'await Promise.all()' * [Docs] Remove call to nonce observable from 'upgrade_chain' example * [Docs] Changed author * [Docs] Changed wording of balance change example * [Docs] smaller code-review fixes * [Docs] Fix Rx read_storage example * [Docs] use pairwise together with startWith in the Rx balance_change example * [Docs] Wording & little less code * [Docs] Added whitespace * [Docs] Use switchMap instead fo subscribe inside subscribe syntax * [Docs] Fixed import syntax for RxJs examples * [Docs] removed provider * [Docs] WIP read storage make-over * [Docs] update Rx read_storage * [Docs] Read storage example with piped switchMap() * [Docs] Turn null into observable * [Docs] Read storage example added 2nd version using tap() * [Docs] fixed name typo * [Docs] removed tap() example
36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
// Import the API, Keyring and some utility functions
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const { ApiPromise } = require('@polkadot/api');
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const { Keyring } = require('@polkadot/keyring');
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const { stringToU8a } = require('@polkadot/util');
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const ALICE_SEED = 'Alice'.padEnd(32, ' ');
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const BOB_ADDR = '5Gw3s7q4QLkSWwknsiPtjujPv3XM4Trxi5d4PgKMMk3gfGTE';
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async function main () {
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// Create an instance of the keyring
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const keyring = new Keyring();
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// Add Alice to our keyring (with the known seed for the account)
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const alice = keyring.addFromSeed(stringToU8a(ALICE_SEED));
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// Instantiate the API
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const api = await ApiRx.create().toPromise();
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// Create a extrinsic, transferring 12345 units to Bob.
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api.tx.balances
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// create transfer
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.transfer(BOB, randomAmount)
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// Sign and send the transcation
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.signAndSend(alice)
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// Subscribe to the status updates of the transfer
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.subscribe(({ status, type }) => {
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if (type === 'Finalised') {
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console.log(`Successful transfer of 12345 from Alice to Bob with hash ${status.asFinalised.toHex()}`);
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} else {
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console.log(`Staus of transfer: ${type}`);
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}
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});
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}
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main().catch(console.error).finally(_ => process.exit());
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