@ledgerhq/coin-icon/lib-es/buildTransaction.js

Ledger Icon Coin integration

import IconService from "icon-sdk-js";
import { getNid, getNonce } from "./logic";
import { RPC_VERSION } from "./constants";
const { IconBuilder, IconConverter } = IconService;
const buildTransferTransaction = (account, transaction, stepLimit) => {
    const address = account.freshAddress;
    const icxTransactionBuilder = new IconBuilder.IcxTransactionBuilder();
    const icxTransferData = icxTransactionBuilder
        .from(address)
        .to(transaction.recipient)
        .value(IconConverter.toHexNumber(transaction.amount))
        .nid(IconConverter.toHexNumber(getNid(account.currency)))
        .nonce(IconConverter.toHexNumber(getNonce(account)))
        .timestamp(IconConverter.toHexNumber(new Date().getTime() * 1000))
        .version(IconConverter.toHexNumber(RPC_VERSION));
    if (stepLimit) {
        icxTransferData.stepLimit(IconConverter.toHexNumber(stepLimit));
    }
    return icxTransferData.build();
};
/**
 *
 * @param {Account} account
 * @param {Transaction} transaction
 */
export const buildTransaction = async (account, transaction, stepLimit) => {
    let unsigned;
    switch (transaction.mode) {
        case "send":
            unsigned = buildTransferTransaction(account, transaction, stepLimit);
            break;
        default:
            throw new Error(`Unsupported transaction mode: ${transaction.mode}`);
    }
    return {
        unsigned,
    };
};
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