@wormhole-foundation/sdk-evm-portico/dist/esm/api.js

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

import { encoding, isNative, toChainId, } from '@wormhole-foundation/sdk-connect';
import axios from 'axios';
export const RELAYER_FEE_API_URL = 'https://gfx.relayers.xlabs.xyz/api/v1/swap/quote';
export class PorticoApi {
    static async quoteRelayer(chain, from, to) {
        if (isNative(from) || isNative(to))
            throw new Error('how did you get here tho?');
        const sourceToken = encoding.hex.encode(from.toUniversalAddress().toUint8Array(), false);
        const targetToken = encoding.hex.encode(to.toUniversalAddress().toUint8Array(), false);
        const targetChain = toChainId(chain);
        const request = { targetChain, sourceToken, targetToken };
        try {
            const response = await axios.post(RELAYER_FEE_API_URL, request);
            return BigInt(response.data.fee);
        }
        catch (e) {
            if (axios.isAxiosError(e)) {
                throw new Error(`Error getting relayer fee: ${e.response?.statusText}`);
            }
            throw e;
        }
    }
}
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