@ledgerhq/coin-hedera/lib-es/bridge/broadcast.js

Ledger Hedera Coin integration

import { Transaction as HederaSDKTransaction } from "@hashgraph/sdk";
import { patchOperationWithHash } from "@ledgerhq/coin-framework/operation";
import { base64ToUrlSafeBase64, patchOperationWithExtra } from "./utils";
import { broadcastTransaction } from "../api/network";
export const broadcast = async ({ signedOperation }) => {
    const { signature, operation } = signedOperation;
    // NOTE: expecting a serialized transaction to be signedOperation.signature (in hex)
    const hederaTransaction = HederaSDKTransaction.fromBytes(Buffer.from(signature, "base64"));
    const response = await broadcastTransaction(hederaTransaction);
    const base64Hash = Buffer.from(response.transactionHash).toString("base64");
    const base64HashUrlSafe = base64ToUrlSafeBase64(base64Hash);
    const extra = {
        transactionId: response.transactionId.toString(),
    };
    let patchedOperation = operation;
    patchedOperation = patchOperationWithHash(patchedOperation, base64HashUrlSafe);
    patchedOperation = patchOperationWithExtra(patchedOperation, extra);
    return patchedOperation;
};
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