@hyperlane-xyz/sdk/dist/providers/builders/viem.js

The official SDK for the Hyperlane Network

import { createPublicClient, http } from 'viem';
import { isNumeric } from '@hyperlane-xyz/utils';
import { ProviderType } from '../ProviderType.js';
export const defaultViemProviderBuilder = (rpcUrls, network) => {
    if (!rpcUrls.length)
        throw new Error('No RPC URLs provided');
    if (!isNumeric(network))
        throw new Error('Viem requires a numeric network');
    const id = parseInt(network.toString(), 10);
    const name = network.toString();
    const url = rpcUrls[0].http;
    const client = createPublicClient({
        chain: {
            id,
            name,
            network: name,
            nativeCurrency: { name: '', symbol: '', decimals: 0 },
            rpcUrls: { default: { http: [url] }, public: { http: [url] } },
        },
        transport: http(url),
    });
    return { type: ProviderType.Viem, provider: client };
};
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