@ledgerhq/coin-stellar
Version:
Ledger Stellar Coin integration
32 lines • 1.22 kB
JavaScript
import { fetchAccount } from "../network";
export async function getBalance(addr) {
const { balance, assets, spendableBalance } = await fetchAccount(addr);
const locked = BigInt(balance.toString()) - BigInt(spendableBalance.toString());
const nativeRes = [
{
value: BigInt(balance.toString()),
asset: { type: "native" },
locked: locked, // locked balance is the difference between native balance and spendable balance
},
];
if (!assets || assets.length === 0) {
return nativeRes;
}
/**
* https://developers.stellar.org/docs/data/apis/horizon/api-reference/retrieve-an-account
* `asset.balance` matches [0-9]+\.[0-9]{7}
* NOTE `Math.floor` is still needed
* > Number.parseFloat('0.1468328') * 10 ** 7
* 1468328.0000000002
*/
const assetBalances = assets.map(asset => ({
value: BigInt(Math.floor(Number.parseFloat(asset.balance) * 10 ** 7)),
asset: {
type: asset.asset_type,
assetReference: asset.asset_code,
assetOwner: asset.asset_issuer,
},
}));
return [...nativeRes, ...assetBalances];
}
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