viem
Version:
39 lines • 1.31 kB
JavaScript
import { formatBlockParameter, } from '../../utils/block/formatBlockParameter.js';
/**
* Returns the value from a storage slot at a given address.
*
* - Docs: https://viem.sh/docs/contract/getStorageAt
* - JSON-RPC Methods: [`eth_getStorageAt`](https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_getstorageat)
*
* @param client - Client to use
* @param parameters - {@link GetStorageAtParameters}
* @returns The value of the storage slot. {@link GetStorageAtReturnType}
*
* @example
* import { createPublicClient, http } from 'viem'
* import { mainnet } from 'viem/chains'
* import { getStorageAt } from 'viem/contract'
*
* const client = createPublicClient({
* chain: mainnet,
* transport: http(),
* })
* const code = await getStorageAt(client, {
* address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
* slot: toHex(0),
* })
*/
export async function getStorageAt(client, { address, blockHash, blockNumber, blockTag = 'latest', requireCanonical, slot, }) {
const block = formatBlockParameter({
blockHash,
blockNumber,
blockTag,
requireCanonical,
});
const data = await client.request({
method: 'eth_getStorageAt',
params: [address, slot, block],
});
return data;
}
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