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balance.ts
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balance.ts
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import { Args } from "@oclif/core";
import { ApiPromise } from "@polkadot/api";
import type { AccountInfo, Balance as BalanceType } from "@polkadot/types/interfaces";
import { ChainApi, resolveNetworkUrl } from "../../lib/index.js";
import { SwankyCommand } from "../../lib/swankyCommand.js";
import { InputError } from "../../lib/errors.js";
import { formatBalance } from "@polkadot/util";
export class Balance extends SwankyCommand<typeof Balance> {
static description = "Balance of an account";
static args = {
alias: Args.string({
name: "alias",
description: "Alias of account to be used",
}),
};
async run(): Promise<void> {
const { args } = await this.parse(Balance);
if (!args.alias) {
throw new InputError(
"Missing argument! Please provide an alias account to get the balance from. Example usage: `swanky account balance <YourAliasAccount>`"
);
}
const accountData = this.findAccountByAlias(args.alias);
const networkUrl = resolveNetworkUrl(this.swankyConfig, "");
const api = (await this.spinner.runCommand(async () => {
const api = await ChainApi.create(networkUrl);
await api.start();
return api.apiInst;
}, "Connecting to node")) as ApiPromise;
const decimals = api.registry.chainDecimals[0];
formatBalance.setDefaults({ unit: "UNIT", decimals });
const { nonce, data: balance } = await api.query.system.account<AccountInfo>(
accountData.address
);
const { free, reserved, miscFrozen, feeFrozen } = balance;
let frozen: BalanceType;
if (feeFrozen.gt(miscFrozen)) {
frozen = feeFrozen;
} else {
frozen = miscFrozen;
}
const transferrableBalance = free.sub(frozen);
const totalBalance = free.add(reserved);
console.log("Transferrable Balance:", formatBalance(transferrableBalance));
if (!transferrableBalance.eq(totalBalance)) {
console.log("Total Balance:", formatBalance(totalBalance));
console.log("Raw Balances:", balance.toHuman());
}
console.log("Account Nonce:", nonce.toHuman());
await api.disconnect();
}
}