@ledgerhq/coin-hedera/lib-es/api/network.js

Ledger Hedera Coin integration

import { Client, TransferTransaction, Hbar, AccountId, TransactionId, AccountBalanceQuery, HbarUnit, } from "@hashgraph/sdk";
import { HederaAddAccountError } from "../errors";
export function broadcastTransaction(transaction) {
    return transaction.execute(getClient());
}
export async function buildUnsignedTransaction({ account, transaction, }) {
    const hbarAmount = Hbar.fromTinybars(transaction.amount);
    const accountId = account.freshAddress;
    return new TransferTransaction()
        .setNodeAccountIds([new AccountId(3)])
        .setTransactionId(TransactionId.generate(accountId))
        .setTransactionMemo(transaction.memo ?? "")
        .addHbarTransfer(accountId, hbarAmount.negated())
        .addHbarTransfer(transaction.recipient, hbarAmount)
        .freeze();
}
export async function getAccountBalance(address) {
    const accountId = AccountId.fromString(address);
    let accountBalance;
    try {
        accountBalance = await new AccountBalanceQuery({
            accountId,
        }).execute(getBalanceClient());
    }
    catch {
        throw new HederaAddAccountError();
    }
    return {
        balance: accountBalance.hbars.to(HbarUnit.Tinybar),
    };
}
let _hederaClient = null;
let _hederaBalanceClient = null;
function getClient() {
    _hederaClient ??= Client.forMainnet().setMaxNodesPerTransaction(1);
    //_hederaClient.setNetwork({ mainnet: "https://hedera.coin.ledger.com" });
    return _hederaClient;
}
function getBalanceClient() {
    _hederaBalanceClient ??= Client.forMainnet();
    return _hederaBalanceClient;
}
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