The supportedTokens function returns a list of tokens supported by Fibrous on a specific chain.

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Function Signature

/**
  * Returns the supported token list for a given chain.
  * @param chainId Chain ID.
  * @returns Map of lowercased symbol -> Token.
  */
supportedTokens(chainId: number): Promise<Map<string, Token>>;

​
Example Usage

import { Router as FibrousRouter } from "fibrous-router-sdk";

const router = new FibrousRouter();
const chainId = router.supportedChains.find(
    (chain) => chain.chain_name == "starknet",
)?.chain_id;
if (!chainId) {
    throw new Error("Chain not supported");
}
const tokens = await router.supportedTokens(chainId);

​
Parameters

ParameterTypeDescription
chainIdnumberThe chain id to get supported tokens for (e.g. 8453, 84532)

​
Response

Returns a Promise that resolves to a Record mapping token symbols to Token objects. Each Token object contains: 
export type Token = {
    // Address of the token contract
    address: string;

    // Name of the token
    name: string;

    // Symbol of the token
    symbol: string;

    // Decimal points of the token (can be string from API)
    decimals: string;

    // Price in USD (can be null or string from API)
    price: string | null;

    // Image URL for the token icon
    image_url?: string;

    // Base token flag (can be null)
    base?: boolean | null;

    // Native token flag (can be null)
    native?: boolean | null;

    // Verification status
    verified?: boolean;

    // Token category
    category?: string | null;

    // Legacy fields for backward compatibility
    isBase?: boolean;
    isNative?: boolean;
};

​
Example Response

{
  "ETH": {
    "name": "Ethereum",
    "symbol": "ETH",
    "address": "0x049d36570d4e46f48e99674bd3fcc84644ddd6b96f7c741b1562b82f9e004dc7",
    "decimals": 18,
    "price": null,
    "image_url": "https://tokens.1inch.io/0x0000000000000000000000000000000000000000.png"
  },
  "USDC": {
    "name": "USD Coin",
    "symbol": "USDC",
    "address": "0x053c91253bc9682c04929ca02ed00b3e423f6710d2ee7e0d5eb06f3ecf368a8",
    "decimals": 6,
    "price": null,
    "image_url": "https://tokens.1inch.io/0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48.png"
  }
}