@ledgerhq/live-common/src/families/icon/bridge/mock.ts

Common ground for the Ledger Live apps

import { BigNumber } from "bignumber.js";
import { NotEnoughBalance, RecipientRequired, InvalidAddress, FeeTooHigh } from "@ledgerhq/errors";
import type { Transaction } from "../types";
import type { AccountBridge, CurrencyBridge } from "@ledgerhq/types-live";
import {
  getSerializedAddressParameters,
  updateTransaction,
} from "@ledgerhq/ledger-wallet-framework/bridge/jsHelpers";
import {
  scanAccounts,
  signOperation,
  signRawOperation,
  broadcast,
  sync,
  isInvalidRecipient,
  makeAccountBridgeReceive,
} from "../../../bridge/mockHelpers";
import { getMainAccount } from "../../../account";
import { validateAddress } from "../../../bridge/validateAddress";

const receive = makeAccountBridgeReceive();

const createTransaction = (): Transaction => ({
  family: "icon",
  mode: "send",
  amount: new BigNumber(0),
  recipient: "",
  useAllAmount: false,
  fees: null,
});

const prepareTransaction = async (a, t) => t;

const estimateMaxSpendable = ({ account, parentAccount, transaction }) => {
  const mainAccount = getMainAccount(account, parentAccount);
  const estimatedFees = transaction?.fees || new BigNumber(5000);
  return Promise.resolve(BigNumber.max(0, mainAccount.spendableBalance.minus(estimatedFees)));
};

const getTransactionStatus = (account, t) => {
  const errors: any = {};
  const warnings: any = {};
  const useAllAmount = !!t.useAllAmount;

  const estimatedFees = new BigNumber(5000);

  const totalSpent = useAllAmount ? account.balance : new BigNumber(t.amount).plus(estimatedFees);

  const amount = useAllAmount ? account.balance.minus(estimatedFees) : new BigNumber(t.amount);

  if (amount.gt(0) && estimatedFees.times(10).gt(amount)) {
    warnings.amount = new FeeTooHigh();
  }

  if (totalSpent.gt(account.balance)) {
    errors.amount = new NotEnoughBalance();
  }

  if (!t.recipient) {
    errors.recipient = new RecipientRequired();
  } else if (isInvalidRecipient(t.recipient)) {
    errors.recipient = new InvalidAddress();
  }

  return Promise.resolve({
    errors,
    warnings,
    estimatedFees,
    amount,
    totalSpent,
  });
};

const accountBridge: AccountBridge<Transaction> = {
  estimateMaxSpendable,
  createTransaction,
  updateTransaction,
  getTransactionStatus,
  prepareTransaction,
  sync,
  receive,
  signOperation,
  signRawOperation,
  broadcast,
  getSerializedAddressParameters,
  validateAddress,
};

const currencyBridge: CurrencyBridge = {
  scanAccounts,
  preload: (async () => {}) as any,
  hydrate: () => {},
};

export default { currencyBridge, accountBridge };