@uniswap/v4-sdk/dist/esm/src/utils/pathCurrency.js

⚒️ An SDK for building applications on top of Uniswap V4

import { CurrencyAmount } from '@uniswap/sdk-core';
export function amountWithPathCurrency(amount, pool) {
    return CurrencyAmount.fromFractionalAmount(getPathCurrency(amount.currency, pool), amount.numerator, amount.denominator);
}
export function getPathCurrency(currency, pool) {
    if (pool.involvesCurrency(currency)) {
        return currency;
    }
    else if (pool.involvesCurrency(currency.wrapped)) {
        return currency.wrapped;
    }
    else if (pool.currency0.wrapped.equals(currency)) {
        return pool.currency0;
    }
    else if (pool.currency1.wrapped.equals(currency)) {
        return pool.currency1;
    }
    else {
        throw new Error(`Expected currency ${currency.symbol} to be either ${pool.currency0.symbol} or ${pool.currency1.symbol}`);
    }
}
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