Jaco Greeff
8fafedcf00
* examples-rpc -> examples/rpc * 01-simple-connect * 02-chain-newHead * Subscriptions only return value
33 lines
1.1 KiB
JavaScript
Executable File
33 lines
1.1 KiB
JavaScript
Executable File
const BN = require('bn.js');
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const Rpc = require('@polkadot/rpc-core').default;
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const WsProvider = require('@polkadot/rpc-provider/ws').default;
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const storage = require('@polkadot/storage').default;
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const provider = new WsProvider('ws://127.0.0.1:9944');
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const api = new Rpc(provider);
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async function getAccountIndex (address) {
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return api.state.getStorage([storage.system.public.accountIndexOf, address]);
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}
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async function getValidators () {
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return api.state.getStorage([storage.session.public.validators]);
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}
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async function getBlockPeriod () {
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return api.state.getStorage([storage.timestamp.public.blockPeriod]);
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}
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async function main () {
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const address = '5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaDtZ';
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const validators = await getValidators();
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const index = await getAccountIndex(address);
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const blockPeriod = await getBlockPeriod();
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console.log(`BlockPeriod: ${new BN(blockPeriod).toString(10)} seconds`);
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console.log(`Account Index of ${address}: ${index.toString(10)}`);
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console.log('Current validators', validators);
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}
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main().finally(_ => process.exit());
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