@patchworkdev/pdk/src/commands/dev/services/block-number.ts

Patchwork Development Kit

import { createPublicClient, http } from 'viem';

export class BlockNumberService {
    private async getBlockNumber(rpcUrl: string): Promise<bigint> {
        try {
            const client = createPublicClient({
                transport: http(rpcUrl),
            });
            const blockNumber = await client.getBlockNumber();
            return blockNumber;
        } catch (error) {
            console.error('Failed to fetch block number:', error);
            throw new Error('Failed to fetch block number from node');
        }
    }

    async getDeploymentBlockNumber(rpcUrl: string, retries = 3, delay = 1000): Promise<bigint> {
        for (let i = 0; i < retries; i++) {
            try {
                const blockNumber = await this.getBlockNumber(rpcUrl);
                return blockNumber;
            } catch (error) {
                if (i === retries - 1) throw error;
                await new Promise((resolve) => setTimeout(resolve, delay));
            }
        }
        throw new Error('Failed to fetch block number after multiple attempts');
    }
}