1import { JsonRpcProvider, EtherscanProvider } from 'ethers'
2import { getAlchemyApiTok, getEtherscanApiTok } from './getProvApiTokF.mts'
3import { throPtErr } from '../../sharedF/throwErrorF/sharedErrF.mts'
4
5const alchemyProvCache: Record<string, JsonRpcProvider> = {}
6const etherscanProvCache: Record<string, EtherscanProvider> = {}
7
8const networkToAlchemySubdomain: Record<string, string> = {
9  homestead: 'eth-mainnet',
10  arbitrum: 'arb-mainnet',
11  optimism: 'opt-mainnet',
12  base: 'base-mainnet',
13  linea: 'linea-mainnet',
14  zksync: 'zksync-mainnet',
15}
16
17export const getAlchemyProv = (networkName = 'homestead'): JsonRpcProvider => {
18  if (alchemyProvCache[networkName]) return alchemyProvCache[networkName]
19  const subdomain = networkToAlchemySubdomain[networkName]
20  if (!subdomain) throPtErr('unknownAlchemyNetwork', {networkName})
21  const apiKey = getAlchemyApiTok().trim()
22  const url = `https://${subdomain}.g.alchemy.com/v2/${apiKey}`
23  const provider = new JsonRpcProvider(url)
24  alchemyProvCache[networkName] = provider
25  return provider
26}
27
28export const getEtherscanProv = (networkName = 'homestead'): EtherscanProvider => {
29  if (etherscanProvCache[networkName]) return etherscanProvCache[networkName]
30  const apiKey = getEtherscanApiTok().trim()
31  const provider = new EtherscanProvider(networkName, apiKey)
32  etherscanProvCache[networkName] = provider
33  return provider
34}
35