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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/actions/wallet

Просмотр файла: addChain.ts

import type { Account } from '../../accounts/types.js'
import type { Client } from '../../clients/createClient.js'
import type { Transport } from '../../clients/transports/createTransport.js'
import type { ErrorType } from '../../errors/utils.js'
import type { Chain } from '../../types/chain.js'
import type { RequestErrorType } from '../../utils/buildRequest.js'
import {
  type NumberToHexErrorType,
  numberToHex,
} from '../../utils/encoding/toHex.js'

export type AddChainParameters = {
  /** The chain to add to the wallet. */
  chain: Chain
}

export type AddChainErrorType =
  | RequestErrorType
  | NumberToHexErrorType
  | ErrorType

/**
 * Adds an EVM chain to the wallet.
 *
 * - Docs: https://viem.sh/docs/actions/wallet/addChain
 * - JSON-RPC Methods: [`eth_addEthereumChain`](https://eips.ethereum.org/EIPS/eip-3085)
 *
 * @param client - Client to use
 * @param parameters - {@link AddChainParameters}
 *
 * @example
 * import { createWalletClient, custom } from 'viem'
 * import { optimism } from 'viem/chains'
 * import { addChain } from 'viem/wallet'
 *
 * const client = createWalletClient({
 *   transport: custom(window.ethereum),
 * })
 * await addChain(client, { chain: optimism })
 */
export async function addChain<
  chain extends Chain | undefined,
  account extends Account | undefined,
>(client: Client<Transport, chain, account>, { chain }: AddChainParameters) {
  const { id, name, nativeCurrency, rpcUrls, blockExplorers } = chain
  await client.request(
    {
      method: 'wallet_addEthereumChain',
      params: [
        {
          chainId: numberToHex(id),
          chainName: name,
          nativeCurrency,
          rpcUrls: rpcUrls.default.http,
          blockExplorerUrls: blockExplorers
            ? Object.values(blockExplorers).map(({ url }) => url)
            : undefined,
        },
      ],
    },
    { dedupe: true, retryCount: 0 },
  )
}

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