@reservoir0x/relay-kit-ui/_esm/src/utils/tokens.js

Relay is the Fastest and Cheapest Way to Bridge and Transact Across Chains.

import { ASSETS_RELAY_API } from '@reservoir0x/relay-sdk';
export const convertApiCurrencyToToken = (currency, chainId) => {
    return {
        chainId: Number(chainId),
        address: currency?.address ?? '',
        name: currency?.name ?? '',
        symbol: currency?.symbol ?? '',
        decimals: currency?.decimals ?? 0,
        logoURI: `${ASSETS_RELAY_API}/icons/currencies/${currency?.id ?? currency?.symbol?.toLowerCase() ?? chainId}.png`,
        verified: true
    };
};
export const findBridgableToken = (chain, token) => {
    if (chain && token && token.chainId === chain.id) {
        const toCurrencies = [
            ...(chain?.erc20Currencies ?? []),
            chain.currency ?? undefined
        ];
        const toCurrency = toCurrencies.find((c) => c?.address === token?.address);
        if (!toCurrency || !toCurrency.supportsBridging) {
            const supportedToCurrency = toCurrencies.find((c) => c?.supportsBridging);
            if (supportedToCurrency) {
                return convertApiCurrencyToToken(supportedToCurrency, chain.id);
            }
        }
        else {
            return token;
        }
    }
    return null;
};
export const mergeTokenLists = (lists) => {
    const mergedList = [];
    const seenTokens = new Set();
    lists.forEach((list) => {
        if (!list)
            return;
        list.forEach((currency) => {
            if (!currency)
                return;
            const tokenKey = `${currency.chainId}:${currency.address?.toLowerCase()}`;
            if (!seenTokens.has(tokenKey)) {
                seenTokens.add(tokenKey);
                mergedList.push(currency);
            }
        });
    });
    return mergedList;
};
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