35 lines
1.1 KiB
JavaScript
Executable File
35 lines
1.1 KiB
JavaScript
Executable File
// Import the API
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const { ApiPromise } = require('@polkadot/api');
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// Our address for Alice on the dev chain
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const Alice = '5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaDtZ';
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async function main () {
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// Create our API with a default connection to the local node
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const api = await ApiPromise.create();
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// Make our basic chain state/storage queries, all in one go
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const [accountNonce, blockPeriod, validators] = await Promise.all([
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api.query.system.accountNonce(Alice),
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api.query.timestamp.blockPeriod(),
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api.query.session.validators()
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]);
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console.log(`accountNonce(${Alice}) ${accountNonce}`);
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console.log(`blockPeriod ${blockPeriod.toNumber()} seconds`);
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// Retrieve the balances for all validators
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const validatorBalances = await Promise.all(
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validators.map((authorityId) =>
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api.query.balances.freeBalance(authorityId)
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)
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);
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console.log('validators', validators.map((authorityId, index) => ({
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address: authorityId.toString(),
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balance: validatorBalances[index].toString()
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})));
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}
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main().catch(console.error).finally(_ => process.exit());
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