experimental_grantAdmin

type Request = {
  method: 'experimental_grantAdmin',
  params: [{
    /** Address of the account to grant an admin on. */
    address?: `0x${string}`
    /** Chain ID to grant an admin on. */
    chainId?: `0x${string}`
    /** The admin key. */
    key?: {
      /** Public key. Accepts an address for `address` & `secp256k1` types. */
      publicKey: `0x${string}`,
      /** Key type. */
      type: 'address' | 'p256' | 'secp256k1' | 'webauthn-p256', 
    }
  }]
}

type Response = {
  address: `0x${string}`,
  chainId: `0x${string}`,
  key: {
    id: `0x${string}`,
    publicKey: `0x${string}`,
    type: 'address' | 'p256' | 'secp256k1' | 'webauthn-p256',
  }
}

import { Porto } from 'porto'
import { parseEther, toHex } from 'viem'
 
const { provider } = Porto.create()
 
const permissions = await provider.request({
  method: 'experimental_grantAdmin',
  params: [{
    key: {
      publicKey: '0x0000000000000000000000000000000000000000',
      type: 'address',
    },
  }],
})