@ledgerhq/coin-near/lib-es/getTransactionStatus.js

Near Coin integration

import { formatCurrencyUnit } from "@ledgerhq/coin-module-framework/currencies/index";
import { getCryptoCurrencyById } from "@ledgerhq/cryptoassets/index";
import { NotEnoughBalance, RecipientRequired, InvalidAddress, FeeNotLoaded, AmountRequired, InvalidAddressBecauseDestinationIsAlsoSource, } from "@ledgerhq/errors";
import { BigNumber } from "bignumber.js";
import { fetchAccountDetails } from "./api";
import { NEW_ACCOUNT_SIZE, YOCTO_THRESHOLD_VARIATION } from "./constants";
import { NearNewAccountWarning, NearActivationFeeNotCovered, NearNewNamedAccountError, NearUseAllAmountStakeWarning, NearNotEnoughStaked, NearNotEnoughAvailable, NearRecommendUnstake, NearStakingThresholdNotMet, } from "./errors";
import { isValidAddress, isImplicitAccount, getMaxAmount, getTotalSpent, getYoctoThreshold, } from "./logic";
import { getCurrentNearPreloadData } from "./preload-data";
export const getTransactionStatus = async (account, transaction) => {
    if (transaction.mode === "send") {
        return await getSendTransactionStatus(account, transaction);
    }
    const errors = {};
    const warnings = {};
    const useAllAmount = !!transaction.useAllAmount;
    if (!transaction.fees) {
        errors.fees = new FeeNotLoaded();
    }
    const estimatedFees = transaction.fees || new BigNumber(0);
    const maxAmount = getMaxAmount(account, transaction, estimatedFees);
    const maxAmountWithFees = getMaxAmount(account, transaction);
    const spendableBalanceWithFees = getMaxAmount(account, { ...transaction, mode: "stake" });
    const stakingThreshold = getYoctoThreshold();
    const totalSpent = getTotalSpent(account, transaction, estimatedFees);
    const amount = useAllAmount ? maxAmount : new BigNumber(transaction.amount);
    const isStakeAndNotEnoughBalance = transaction.mode === "stake" &&
        (totalSpent.gt(maxAmountWithFees) || maxAmountWithFees.lt(estimatedFees));
    const isUnstakeOrWithdrawAndNotEnoughBalance = ["unstake", "withdraw"].includes(transaction.mode) &&
        (totalSpent.gt(spendableBalanceWithFees) || spendableBalanceWithFees.lt(estimatedFees));
    if (isStakeAndNotEnoughBalance || isUnstakeOrWithdrawAndNotEnoughBalance) {
        errors.amount = new NotEnoughBalance();
    }
    else if (["stake", "unstake", "withdraw"].includes(transaction.mode) &&
        amount.lt(stakingThreshold)) {
        const currency = getCryptoCurrencyById("near");
        const formattedStakingThreshold = formatCurrencyUnit(currency.units[0], stakingThreshold.plus(YOCTO_THRESHOLD_VARIATION), {
            showCode: true,
        });
        errors.amount = new NearStakingThresholdNotMet(undefined, {
            threshold: formattedStakingThreshold,
        });
    }
    else if (transaction.mode === "unstake" && amount.gt(maxAmount)) {
        errors.amount = new NearNotEnoughStaked();
    }
    else if (transaction.mode === "withdraw" && amount.gt(maxAmount)) {
        errors.amount = new NearNotEnoughAvailable();
    }
    else if (amount.lte(0) && !transaction.useAllAmount) {
        errors.amount = new AmountRequired();
    }
    if (transaction.mode === "stake" && !errors.amount && transaction.useAllAmount) {
        warnings.amount = new NearUseAllAmountStakeWarning();
    }
    return {
        errors,
        warnings,
        estimatedFees,
        amount,
        totalSpent,
    };
};
const getSendTransactionStatus = async (account, transaction) => {
    const errors = {};
    const warnings = {};
    const useAllAmount = !!transaction.useAllAmount;
    const { storageCost } = getCurrentNearPreloadData();
    const newAccountStorageCost = storageCost.multipliedBy(NEW_ACCOUNT_SIZE);
    const currency = getCryptoCurrencyById("near");
    const formattedNewAccountStorageCost = formatCurrencyUnit(currency.units[0], newAccountStorageCost, {
        showCode: true,
    });
    let recipientIsNewAccount;
    if (!transaction.recipient) {
        errors.recipient = new RecipientRequired();
    }
    else if (!isValidAddress(transaction.recipient)) {
        errors.recipient = new InvalidAddress("", {
            currencyName: account.currency.name,
        });
    }
    else {
        const accountDetails = await fetchAccountDetails(transaction.recipient);
        if (!accountDetails) {
            recipientIsNewAccount = true;
            if (isImplicitAccount(transaction.recipient)) {
                warnings.recipient = new NearNewAccountWarning(undefined, {
                    formattedNewAccountStorageCost,
                });
            }
            else {
                errors.recipient = new NearNewNamedAccountError();
            }
        }
    }
    if (account.freshAddress === transaction.recipient) {
        warnings.recipient = new InvalidAddressBecauseDestinationIsAlsoSource();
    }
    if (!transaction.fees) {
        errors.fees = new FeeNotLoaded();
    }
    const estimatedFees = transaction.fees || new BigNumber(0);
    const totalSpent = getTotalSpent(account, transaction, estimatedFees);
    const maxAmount = getMaxAmount(account, transaction, estimatedFees);
    const maxAmountWithFees = getMaxAmount(account, transaction);
    const amount = useAllAmount ? maxAmount : new BigNumber(transaction.amount);
    if (totalSpent.gt(maxAmountWithFees) || maxAmountWithFees.lt(estimatedFees)) {
        errors.amount = new NotEnoughBalance();
    }
    else if (amount.lte(0) && !transaction.useAllAmount) {
        errors.amount = new AmountRequired();
    }
    else if (recipientIsNewAccount && amount.lt(newAccountStorageCost)) {
        errors.amount = new NearActivationFeeNotCovered(undefined, {
            formattedNewAccountStorageCost,
        });
    }
    if (account.nearResources?.stakingPositions.length > 0 && useAllAmount) {
        warnings.amount = new NearRecommendUnstake();
    }
    return {
        errors,
        warnings,
        estimatedFees,
        amount,
        totalSpent,
    };
};
export default getTransactionStatus;
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