Michael Freno
7c684a42cc
- Consolidated duplicate UndoManagers to single instance - Fixed connection promise to only resolve on 'connected' status - Fixed WebSocketProvider import (WebsocketProvider) - Added proper doc.destroy() cleanup - Renamed isPresenceInitialized property to avoid conflict Co-Authored-By: Paperclip <noreply@paperclip.ing>
74 lines
2.1 KiB
TypeScript
74 lines
2.1 KiB
TypeScript
import type { Address } from 'abitype'
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import type { Client } from '../../clients/createClient.js'
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import type { Transport } from '../../clients/transports/createTransport.js'
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import type { ErrorType } from '../../errors/utils.js'
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import type { BlockTag } from '../../types/block.js'
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import type { Chain } from '../../types/chain.js'
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import type { Hex } from '../../types/misc.js'
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import type { RequestErrorType } from '../../utils/buildRequest.js'
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import {
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type NumberToHexErrorType,
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numberToHex,
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} from '../../utils/encoding/toHex.js'
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export type GetCodeParameters = {
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address: Address
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} & (
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| {
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blockNumber?: undefined
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blockTag?: BlockTag | undefined
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}
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| {
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blockNumber?: bigint | undefined
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blockTag?: undefined
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}
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)
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export type GetCodeReturnType = Hex | undefined
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export type GetCodeErrorType =
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| NumberToHexErrorType
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| RequestErrorType
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| ErrorType
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/**
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* Retrieves the bytecode at an address.
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*
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* - Docs: https://viem.sh/docs/contract/getCode
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* - JSON-RPC Methods: [`eth_getCode`](https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_getcode)
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*
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* @param client - Client to use
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* @param parameters - {@link GetCodeParameters}
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* @returns The contract's bytecode. {@link GetCodeReturnType}
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*
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* @example
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* import { createPublicClient, http } from 'viem'
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* import { mainnet } from 'viem/chains'
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* import { getCode } from 'viem/contract'
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*
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* const client = createPublicClient({
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* chain: mainnet,
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* transport: http(),
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* })
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* const code = await getCode(client, {
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* address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
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* })
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*/
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export async function getCode<chain extends Chain | undefined>(
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client: Client<Transport, chain>,
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{ address, blockNumber, blockTag = 'latest' }: GetCodeParameters,
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): Promise<GetCodeReturnType> {
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const blockNumberHex =
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blockNumber !== undefined ? numberToHex(blockNumber) : undefined
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const hex = await client.request(
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{
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method: 'eth_getCode',
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params: [address, blockNumberHex || blockTag],
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},
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{ dedupe: Boolean(blockNumberHex) },
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)
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if (hex === '0x') return undefined
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return hex
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}
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