getStorageAt

Action for returning the value from a storage slot at a given address.

Import

import { getStorageAt } from '@wagmi/core'

Usage

index.ts

import { getStorageAt } from '@wagmi/core'
import { config } from './config'

await getStorageAt(config, {
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  slot: '0x0',
})

config.ts

import { http, createConfig } from '@wagmi/core'
import { mainnet, sepolia } from '@wagmi/core/chains'

export const config = createConfig({
  chains: [mainnet, sepolia],
  transports: {
    [mainnet.id]: http(),
    [sepolia.id]: http(),
  },
})

Parameters

import { type GetStorageAtParameters } from '@wagmi/core'

address

Address

The contract address.

index.ts

import { getStorageAt } from '@wagmi/core'
import { config } from './config'

await getStorageAt(config, {
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2', 
  slot: '0x0',
})

config.ts

import { http, createConfig } from '@wagmi/core'
import { mainnet, sepolia } from '@wagmi/core/chains'

export const config = createConfig({
  chains: [mainnet, sepolia],
  transports: {
    [mainnet.id]: http(),
    [sepolia.id]: http(),
  },
})

slot

Hex

The storage position (as a hex encoded value).

index.ts

import { getStorageAt } from '@wagmi/core'
import { config } from './config'

await getStorageAt(config, {
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  slot: '0x0', 
})

config.ts

import { http, createConfig } from '@wagmi/core'
import { mainnet, sepolia } from '@wagmi/core/chains'

export const config = createConfig({
  chains: [mainnet, sepolia],
  transports: {
    [mainnet.id]: http(),
    [sepolia.id]: http(),
  },
})

blockNumber

bigint | undefined

The block number to check the storage at.

index.ts

import { getStorageAt } from '@wagmi/core'
import { config } from './config'

await getStorageAt(config, {
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  blockNumber: 16280770n, 
  slot: '0x0',
})

config.ts

import { http, createConfig } from '@wagmi/core'
import { mainnet, sepolia } from '@wagmi/core/chains'

export const config = createConfig({
  chains: [mainnet, sepolia],
  transports: {
    [mainnet.id]: http(),
    [sepolia.id]: http(),
  },
})

blockTag

'latest' | 'earliest' | 'pending' | 'safe' | 'finalized' | undefined

The block tag to check the storage at.

index.ts

import { getStorageAt } from '@wagmi/core'
import { config } from './config'

await getStorageAt(config, {
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  blockTag: 'safe', 
  slot: '0x0',
})

config.ts

import { http, createConfig } from '@wagmi/core'
import { mainnet, sepolia } from '@wagmi/core/chains'

export const config = createConfig({
  chains: [mainnet, sepolia],
  transports: {
    [mainnet.id]: http(),
    [sepolia.id]: http(),
  },
})

chainId

config['chains'][number]['id'] | undefined

The chain ID to check the storage at.

index.ts

import { getStorageAt } from '@wagmi/core'
import { mainnet } from '@wagmi/core/chains'
import { config } from './config'

await getStorageAt(config, {
  chainId: mainnet.id, 
  address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
  slot: '0x0',
})

config.ts

import { http, createConfig } from '@wagmi/core'
import { mainnet, sepolia } from '@wagmi/core/chains'

export const config = createConfig({
  chains: [mainnet, sepolia],
  transports: {
    [mainnet.id]: http(),
    [sepolia.id]: http(),
  },
})

Return Type

import { type GetStorageAtReturnType } from '@wagmi/core'

Hex

The value of the storage slot.

Error

import { type GetStorageAtErrorType } from '@wagmi/core'

TanStack Query

import {
  type getStorageAtData,
  type getStorageAtOptions,
  type getStorageAtQueryFnData,
  type getStorageAtQueryKey,
  getStorageAtQueryKey,
  getStorageAtQueryOptions,
} from '@wagmi/core/query'

Viem

• getStorageAt