viem
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JavaScript
import { readContract, } from '../../actions/public/readContract.js';
import { withCache } from '../../utils/promise/withCache.js';
import { portal2Abi } from '../abis.js';
/**
* Retrieves the current version of the Portal contract.
*
* - Docs: https://viem.sh/op-stack/actions/getPortalVersion
*
* @param client - Client to use
* @param parameters - {@link GetPortalVersionParameters}
* @returns The version object.
*
* @example
* import { createPublicClient, http } from 'viem'
* import { mainnet } from 'viem/chains'
* import { getPortalVersion } from 'viem/op-stack'
*
* const publicClientL1 = createPublicClient({
* chain: mainnet,
* transport: http(),
* })
*
* const version = await getPortalVersion(publicClientL1, {
* targetChain: optimism,
* })
*
* if (version.major > 3)
* console.log('Fault proofs are enabled on this version of optimism')
* console.log('Fault proofs are not enabled on this version of optimism')
*/
export async function getPortalVersion(client, parameters) {
const { chain = client.chain, targetChain } = parameters;
const portalAddress = (() => {
if (parameters.portalAddress)
return parameters.portalAddress;
if (chain)
return targetChain.contracts.portal[chain.id].address;
return Object.values(targetChain.contracts.portal)[0].address;
})();
const version = await withCache(() => readContract(client, {
abi: portal2Abi,
address: portalAddress,
functionName: 'version',
}), { cacheKey: ['portalVersion', portalAddress].join('.'), cacheTime: 300 });
const [major, minor, patch] = version.split('.').map(Number);
return { major, minor, patch };
}
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