> ## Documentation Index > Fetch the complete documentation index at: https://voltaire.tevm.sh/llms.txt > Use this file to discover all available pages before exploring further. > Auto-generated TypeScript API documentation from source code # Generated API Reference [**@tevm/voltaire**](../index.mdx) *** [@tevm/voltaire](../index.mdx) / provider # provider Provider - EIP-1193 Compliant Ethereum JSON-RPC Provider EIP-1193 compliant provider implementations for Ethereum JSON-RPC communication. Supports HTTP, WebSocket, and in-memory (EVM-based) transports. ## Features * **EIP-1193 compliant** - Single `request()` method for all RPC calls * **Strongly typed** - Full type safety with RpcSchema support * **EventEmitter** - Standard event handling for blockchain events * **Throws on error** - Clean error handling with RpcError * **Multiple transports** - HTTP, WebSocket, or in-memory execution ## Quick Start ```typescript theme={null} import { HttpProvider } from '@tevm/voltaire/provider'; const provider = new HttpProvider('https://eth.example.com'); // Make requests const blockNumber = await provider.request({ method: 'eth_blockNumber', params: [] }); // Listen to events provider.on('chainChanged', (chainId) => { console.log('Chain changed:', chainId); }); ``` ## Available Providers * **HttpProvider** - HTTP transport with EventEmitter * **WebSocketProvider** - WebSocket transport with native pub/sub * **InMemoryProvider** - Local EVM execution (coming with EVM docs) ## See [https://voltaire.tevm.sh/provider](https://voltaire.tevm.sh/provider) for full documentation ## Namespaces * [provider/eip6963](namespaces/provider/eip6963.mdx) ## Enumerations ### ProviderRpcErrorCode Defined in: [src/provider/types.ts:34](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L34) EIP-1193 error codes #### Enumeration Members ##### ChainDisconnected > **ChainDisconnected**: `4901` Defined in: [src/provider/types.ts:44](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L44) Provider disconnected from all chains ##### Disconnected > **Disconnected**: `4900` Defined in: [src/provider/types.ts:42](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L42) Provider disconnected from chains ##### Unauthorized > **Unauthorized**: `4100` Defined in: [src/provider/types.ts:38](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L38) Requested method/account not authorized ##### UnsupportedMethod > **UnsupportedMethod**: `4200` Defined in: [src/provider/types.ts:40](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L40) Provider doesn't support requested method ##### UserRejectedRequest > **UserRejectedRequest**: `4001` Defined in: [src/provider/types.ts:36](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L36) User rejected request ## Classes ### HttpProvider Defined in: [src/provider/HttpProvider.ts:64](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L64) HTTP Provider implementation EIP-1193 compliant provider using HTTP transport via fetch API. Throws RpcError on failures. #### Example ```typescript theme={null} const provider = new HttpProvider({ url: 'https://eth.example.com', timeout: 30000 }); const blockNumber = await provider.request({ method: 'eth_blockNumber', params: [] }); ``` #### Implements * [`Provider`](#provider) #### Constructors ##### Constructor > **new HttpProvider**(`options`): [`HttpProvider`](#httpprovider) Defined in: [src/provider/HttpProvider.ts:74](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L74) ###### Parameters ###### options `string` | [`HttpProviderOptions`](#httpprovideroptions) ###### Returns [`HttpProvider`](#httpprovider) #### Methods ##### on() > **on**\<`E`>(`event`, `listener`): `this` Defined in: [src/provider/HttpProvider.ts:189](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L189) Register event listener ###### Type Parameters ###### E `E` *extends* keyof [`LegacyProviderEventMap`](#legacyprovidereventmap) ###### Parameters ###### event `E` ###### listener (...`args`) => `void` ###### Returns `this` ###### Implementation of [`Provider`](#provider).[`on`](#on-8) ##### removeListener() > **removeListener**\<`E`>(`event`, `listener`): `this` Defined in: [src/provider/HttpProvider.ts:203](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L203) Remove event listener ###### Type Parameters ###### E `E` *extends* keyof [`LegacyProviderEventMap`](#legacyprovidereventmap) ###### Parameters ###### event `E` ###### listener (...`args`) => `void` ###### Returns `this` ###### Implementation of [`Provider`](#provider).[`removeListener`](#removelistener-8) ##### request() > **request**(`args`): `Promise`\<`unknown`> Defined in: [src/provider/HttpProvider.ts:151](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L151) EIP-1193 request method Submits JSON-RPC request and returns result or throws RpcError ###### Parameters ###### args [`LegacyRequestArguments`](#legacyrequestarguments) ###### Returns `Promise`\<`unknown`> ###### Implementation of [`Provider`](#provider).[`request`](#request-6) *** ### InMemoryProvider Defined in: [src/provider/InMemoryProvider.ts:138](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L138) In-Memory Provider implementation Provides a fully functional in-memory Ethereum node for testing and development. Uses Voltaire's EVM for transaction execution. ## Features * **Local EVM execution** - Full transaction simulation without external node * **State management** - In-memory state with snapshot/revert capabilities * **Instant mining** - Configurable block production (auto/interval/manual) * **Testing utilities** - Set balances, impersonate accounts, manipulate time * **Zero latency** - No network requests, instant responses #### Example ```typescript theme={null} const provider = new InMemoryProvider({ chainId: 1, accounts: [ { address: '0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb0', balance: '0x10000000000000000000000' // 100000 ETH } ] }); // Execute calls against local EVM const result = await provider.request({ method: 'eth_call', params: [{ to: '0x...', data: '0x...' }, 'latest'] }); ``` #### Implements * [`Provider`](#provider) #### Constructors ##### Constructor > **new InMemoryProvider**(`options`): [`InMemoryProvider`](#inmemoryprovider) Defined in: [src/provider/InMemoryProvider.ts:183](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L183) ###### Parameters ###### options [`InMemoryProviderOptions`](#inmemoryprovideroptions) = `{}` ###### Returns [`InMemoryProvider`](#inmemoryprovider) #### Properties ##### events > **events**: `ProviderEvents` Defined in: [src/provider/InMemoryProvider.ts:1112](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L1112) #### Methods ##### destroy() > **destroy**(): `void` Defined in: [src/provider/InMemoryProvider.ts:1104](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L1104) Cleanup resources ###### Returns `void` ##### on() > **on**\<`E`>(`event`, `listener`): `this` Defined in: [src/provider/InMemoryProvider.ts:1064](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L1064) Register event listener ###### Type Parameters ###### E `E` *extends* keyof [`LegacyProviderEventMap`](#legacyprovidereventmap) ###### Parameters ###### event `E` ###### listener (...`args`) => `void` ###### Returns `this` ###### Implementation of [`Provider`](#provider).[`on`](#on-8) ##### removeListener() > **removeListener**\<`E`>(`event`, `listener`): `this` Defined in: [src/provider/InMemoryProvider.ts:1078](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L1078) Remove event listener ###### Type Parameters ###### E `E` *extends* keyof [`LegacyProviderEventMap`](#legacyprovidereventmap) ###### Parameters ###### event `E` ###### listener (...`args`) => `void` ###### Returns `this` ###### Implementation of [`Provider`](#provider).[`removeListener`](#removelistener-8) ##### request() > **request**(`args`): `Promise`\<`unknown`> Defined in: [src/provider/InMemoryProvider.ts:578](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L578) EIP-1193 request method ###### Parameters ###### args [`LegacyRequestArguments`](#legacyrequestarguments) ###### Returns `Promise`\<`unknown`> ###### Implementation of [`Provider`](#provider).[`request`](#request-6) *** ### ProviderRpcError Defined in: [src/provider/events/ProviderRpcError.ts:28](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/ProviderRpcError.ts#L28) Provider RPC error Extends Error with numeric code and optional data. Codes follow EIP-1193 and JSON-RPC 2.0 specifications. #### Example ```typescript theme={null} // Standard EIP-1193 error throw new ProviderRpcError(4001, 'User rejected request'); // With additional data throw new ProviderRpcError( 4200, 'Unsupported method', { method: 'eth_customMethod' } ); ``` #### Extends * `Error` #### Constructors ##### Constructor > **new ProviderRpcError**(`code`, `message`, `data?`): [`ProviderRpcError`](#providerrpcerror) Defined in: [src/provider/events/ProviderRpcError.ts:35](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/ProviderRpcError.ts#L35) ###### Parameters ###### code `number` ###### message `string` ###### data? `unknown` ###### Returns [`ProviderRpcError`](#providerrpcerror) ###### Overrides `Error.constructor` #### Properties ##### code > **code**: `number` Defined in: [src/provider/events/ProviderRpcError.ts:30](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/ProviderRpcError.ts#L30) Numeric error code (EIP-1193 or JSON-RPC 2.0) ##### data? > `optional` **data**: `unknown` Defined in: [src/provider/events/ProviderRpcError.ts:33](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/ProviderRpcError.ts#L33) Optional error data *** ### WebSocketProvider Defined in: [src/provider/WebSocketProvider.ts:55](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L55) WebSocket Provider implementation Implements Provider interface using WebSocket transport for real-time communication. Supports native pub/sub subscriptions for events. #### Example ```typescript theme={null} const provider = new WebSocketProvider({ url: 'wss://eth.example.com', reconnect: true }); await provider.connect(); const blockNumber = await provider.eth_blockNumber(); console.log('Block:', blockNumber.result); ``` #### Implements * [`Provider`](#provider) #### Constructors ##### Constructor > **new WebSocketProvider**(`options`): [`WebSocketProvider`](#websocketprovider) Defined in: [src/provider/WebSocketProvider.ts:74](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L74) ###### Parameters ###### options `string` | [`WebSocketProviderOptions`](#websocketprovideroptions) ###### Returns [`WebSocketProvider`](#websocketprovider) #### Properties ##### events > **events**: `ProviderEvents` Defined in: [src/provider/WebSocketProvider.ts:822](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L822) #### Methods ##### connect() > **connect**(): `Promise`\<`void`> Defined in: [src/provider/WebSocketProvider.ts:92](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L92) Connect to WebSocket server ###### Returns `Promise`\<`void`> ##### debug\_getRawBlock() > **debug\_getRawBlock**(`blockTag`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:669](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L669) ###### Parameters ###### blockTag `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### debug\_traceBlockByHash() > **debug\_traceBlockByHash**(`blockHash`, `traceOptions?`, `options?`): `Promise`\<`Response`\<`any`\[]>> Defined in: [src/provider/WebSocketProvider.ts:643](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L643) ###### Parameters ###### blockHash `string` ###### traceOptions? `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`\[]>> ##### debug\_traceBlockByNumber() > **debug\_traceBlockByNumber**(`blockTag`, `traceOptions?`, `options?`): `Promise`\<`Response`\<`any`\[]>> Defined in: [src/provider/WebSocketProvider.ts:632](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L632) ###### Parameters ###### blockTag `string` ###### traceOptions? `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`\[]>> ##### debug\_traceCall() > **debug\_traceCall**(`params`, `blockTag`, `traceOptions?`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:654](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L654) ###### Parameters ###### params `any` ###### blockTag `string` = `"latest"` ###### traceOptions? `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### debug\_traceTransaction() > **debug\_traceTransaction**(`txHash`, `traceOptions?`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:621](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L621) ###### Parameters ###### txHash `string` ###### traceOptions? `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### disconnect() > **disconnect**(): `void` Defined in: [src/provider/WebSocketProvider.ts:178](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L178) Disconnect from WebSocket server ###### Returns `void` ##### engine\_exchangeCapabilities() > **engine\_exchangeCapabilities**(`capabilities`, `options?`): `Promise`\<`Response`\<`string`\[]>> Defined in: [src/provider/WebSocketProvider.ts:769](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L769) ###### Parameters ###### capabilities `string`\[] ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`\[]>> ##### engine\_exchangeTransitionConfigurationV1() > **engine\_exchangeTransitionConfigurationV1**(`config`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:780](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L780) ###### Parameters ###### config `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### engine\_forkchoiceUpdatedV1() > **engine\_forkchoiceUpdatedV1**(`forkchoiceState`, `payloadAttributes?`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:703](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L703) ###### Parameters ###### forkchoiceState `any` ###### payloadAttributes? `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### engine\_forkchoiceUpdatedV2() > **engine\_forkchoiceUpdatedV2**(`forkchoiceState`, `payloadAttributes?`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:717](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L717) ###### Parameters ###### forkchoiceState `any` ###### payloadAttributes? `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### engine\_forkchoiceUpdatedV3() > **engine\_forkchoiceUpdatedV3**(`forkchoiceState`, `payloadAttributes?`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:731](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L731) ###### Parameters ###### forkchoiceState `any` ###### payloadAttributes? `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### engine\_getBlobsV1() > **engine\_getBlobsV1**(`blobVersionedHashes`, `options?`): `Promise`\<`Response`\<`any`\[]>> Defined in: [src/provider/WebSocketProvider.ts:760](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L760) ###### Parameters ###### blobVersionedHashes `string`\[] ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`\[]>> ##### engine\_getPayloadBodiesByHashV1() > **engine\_getPayloadBodiesByHashV1**(`blockHashes`, `options?`): `Promise`\<`Response`\<`any`\[]>> Defined in: [src/provider/WebSocketProvider.ts:793](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L793) ###### Parameters ###### blockHashes `string`\[] ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`\[]>> ##### engine\_getPayloadBodiesByRangeV1() > **engine\_getPayloadBodiesByRangeV1**(`start`, `count`, `options?`): `Promise`\<`Response`\<`any`\[]>> Defined in: [src/provider/WebSocketProvider.ts:805](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L805) ###### Parameters ###### start `string` ###### count `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`\[]>> ##### engine\_getPayloadV1() > **engine\_getPayloadV1**(`payloadId`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:745](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L745) ###### Parameters ###### payloadId `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### engine\_getPayloadV2() > **engine\_getPayloadV2**(`payloadId`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:750](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L750) ###### Parameters ###### payloadId `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### engine\_getPayloadV3() > **engine\_getPayloadV3**(`payloadId`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:755](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L755) ###### Parameters ###### payloadId `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### engine\_newPayloadV1() > **engine\_newPayloadV1**(`payload`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:678](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L678) ###### Parameters ###### payload `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### engine\_newPayloadV2() > **engine\_newPayloadV2**(`payload`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:684](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L684) ###### Parameters ###### payload `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### engine\_newPayloadV3() > **engine\_newPayloadV3**(`payload`, `expectedBlobVersionedHashes?`, `parentBeaconBlockRoot?`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:689](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L689) ###### Parameters ###### payload `any` ###### expectedBlobVersionedHashes? `string`\[] ###### parentBeaconBlockRoot? `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_accounts() > **eth\_accounts**(`options?`): `Promise`\<`Response`\<`string`\[]>> Defined in: [src/provider/WebSocketProvider.ts:326](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L326) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`\[]>> ##### eth\_blobBaseFee() > **eth\_blobBaseFee**(`options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:330](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L330) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_blockNumber() > **eth\_blockNumber**(`options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:334](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L334) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_call() > **eth\_call**(`params`, `blockTag`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:339](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L339) ###### Parameters ###### params `any` ###### blockTag `string` = `"latest"` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_chainId() > **eth\_chainId**(`options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:343](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L343) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_coinbase() > **eth\_coinbase**(`options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:347](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L347) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_createAccessList() > **eth\_createAccessList**(`params`, `blockTag`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:351](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L351) ###### Parameters ###### params `any` ###### blockTag `string` = `"latest"` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_estimateGas() > **eth\_estimateGas**(`params`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:366](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L366) ###### Parameters ###### params `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_feeHistory() > **eth\_feeHistory**(`blockCount`, `newestBlock`, `rewardPercentiles?`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:370](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L370) ###### Parameters ###### blockCount `string` ###### newestBlock `string` ###### rewardPercentiles? `number`\[] ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_gasPrice() > **eth\_gasPrice**(`options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:383](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L383) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_getBalance() > **eth\_getBalance**(`address`, `blockTag`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:387](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L387) ###### Parameters ###### address `string` ###### blockTag `string` = `"latest"` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_getBlockByHash() > **eth\_getBlockByHash**(`blockHash`, `fullTransactions`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:399](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L399) ###### Parameters ###### blockHash `string` ###### fullTransactions `boolean` = `false` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_getBlockByNumber() > **eth\_getBlockByNumber**(`blockTag`, `fullTransactions`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:412](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L412) ###### Parameters ###### blockTag `string` ###### fullTransactions `boolean` = `false` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_getBlockReceipts() > **eth\_getBlockReceipts**(`blockTag`, `options?`): `Promise`\<`Response`\<`any`\[]>> Defined in: [src/provider/WebSocketProvider.ts:425](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L425) ###### Parameters ###### blockTag `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`\[]>> ##### eth\_getBlockTransactionCountByHash() > **eth\_getBlockTransactionCountByHash**(`blockHash`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:430](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L430) ###### Parameters ###### blockHash `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_getBlockTransactionCountByNumber() > **eth\_getBlockTransactionCountByNumber**(`blockTag`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:441](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L441) ###### Parameters ###### blockTag `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_getCode() > **eth\_getCode**(`address`, `blockTag`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:452](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L452) ###### Parameters ###### address `string` ###### blockTag `string` = `"latest"` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_getFilterChanges() > **eth\_getFilterChanges**(`filterId`, `options?`): `Promise`\<`Response`\<`any`\[]>> Defined in: [src/provider/WebSocketProvider.ts:456](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L456) ###### Parameters ###### filterId `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`\[]>> ##### eth\_getFilterLogs() > **eth\_getFilterLogs**(`filterId`, `options?`): `Promise`\<`Response`\<`any`\[]>> Defined in: [src/provider/WebSocketProvider.ts:461](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L461) ###### Parameters ###### filterId `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`\[]>> ##### eth\_getLogs() > **eth\_getLogs**(`params`, `options?`): `Promise`\<`Response`\<`any`\[]>> Defined in: [src/provider/WebSocketProvider.ts:467](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L467) ###### Parameters ###### params `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`\[]>> ##### eth\_getProof() > **eth\_getProof**(`address`, `storageKeys`, `blockTag`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:472](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L472) ###### Parameters ###### address `string` ###### storageKeys `string`\[] ###### blockTag `string` = `"latest"` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_getStorageAt() > **eth\_getStorageAt**(`address`, `position`, `blockTag`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:486](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L486) ###### Parameters ###### address `string` ###### position `string` ###### blockTag `string` = `"latest"` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_getTransactionByBlockHashAndIndex() > **eth\_getTransactionByBlockHashAndIndex**(`blockHash`, `index`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:499](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L499) ###### Parameters ###### blockHash `string` ###### index `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_getTransactionByBlockNumberAndIndex() > **eth\_getTransactionByBlockNumberAndIndex**(`blockTag`, `index`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:512](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L512) ###### Parameters ###### blockTag `string` ###### index `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_getTransactionByHash() > **eth\_getTransactionByHash**(`txHash`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:525](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L525) ###### Parameters ###### txHash `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_getTransactionCount() > **eth\_getTransactionCount**(`address`, `blockTag`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:530](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L530) ###### Parameters ###### address `string` ###### blockTag `string` = `"latest"` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_getTransactionReceipt() > **eth\_getTransactionReceipt**(`txHash`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:542](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L542) ###### Parameters ###### txHash `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_getUncleCountByBlockHash() > **eth\_getUncleCountByBlockHash**(`blockHash`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:547](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L547) ###### Parameters ###### blockHash `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_getUncleCountByBlockNumber() > **eth\_getUncleCountByBlockNumber**(`blockTag`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:555](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L555) ###### Parameters ###### blockTag `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_maxPriorityFeePerGas() > **eth\_maxPriorityFeePerGas**(`options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:563](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L563) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_newBlockFilter() > **eth\_newBlockFilter**(`options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:567](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L567) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_newFilter() > **eth\_newFilter**(`params`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:572](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L572) ###### Parameters ###### params `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_newPendingTransactionFilter() > **eth\_newPendingTransactionFilter**(`options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:576](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L576) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_sendRawTransaction() > **eth\_sendRawTransaction**(`signedTx`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:584](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L584) ###### Parameters ###### signedTx `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_sendTransaction() > **eth\_sendTransaction**(`params`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:589](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L589) ###### Parameters ###### params `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_sign() > **eth\_sign**(`address`, `data`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:593](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L593) ###### Parameters ###### address `string` ###### data `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_signTransaction() > **eth\_signTransaction**(`params`, `options?`): `Promise`\<`Response`\<`string`>> Defined in: [src/provider/WebSocketProvider.ts:598](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L598) ###### Parameters ###### params `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`string`>> ##### eth\_simulateV1() > **eth\_simulateV1**(`params`, `options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:603](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L603) ###### Parameters ###### params `any` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_syncing() > **eth\_syncing**(`options?`): `Promise`\<`Response`\<`any`>> Defined in: [src/provider/WebSocketProvider.ts:608](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L608) ###### Parameters ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`any`>> ##### eth\_uninstallFilter() > **eth\_uninstallFilter**(`filterId`, `options?`): `Promise`\<`Response`\<`boolean`>> Defined in: [src/provider/WebSocketProvider.ts:613](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L613) ###### Parameters ###### filterId `string` ###### options? [`RequestOptions`](#requestoptions) ###### Returns `Promise`\<`Response`\<`boolean`>> ##### on() > **on**\<`E`>(`event`, `listener`): `this` Defined in: [src/provider/WebSocketProvider.ts:283](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L283) Register event listener (EIP-1193) ###### Type Parameters ###### E `E` *extends* keyof [`LegacyProviderEventMap`](#legacyprovidereventmap) ###### Parameters ###### event `E` ###### listener (...`args`) => `void` ###### Returns `this` ###### Implementation of [`Provider`](#provider).[`on`](#on-8) ##### removeListener() > **removeListener**\<`E`>(`event`, `listener`): `this` Defined in: [src/provider/WebSocketProvider.ts:298](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L298) Remove event listener (EIP-1193) ###### Type Parameters ###### E `E` *extends* keyof [`LegacyProviderEventMap`](#legacyprovidereventmap) ###### Parameters ###### event `E` ###### listener (...`args`) => `void` ###### Returns `this` ###### Implementation of [`Provider`](#provider).[`removeListener`](#removelistener-8) ##### request() > **request**(`args`): `Promise`\<`unknown`> Defined in: [src/provider/WebSocketProvider.ts:194](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L194) EIP-1193 request method (public interface) Submits JSON-RPC request and returns result or throws RpcError ###### Parameters ###### args [`LegacyRequestArguments`](#legacyrequestarguments) ###### Returns `Promise`\<`unknown`> ###### Implementation of [`Provider`](#provider).[`request`](#request-6) ## Interfaces ### EIP1193EventEmitter Defined in: [src/provider/events/EIP1193Events.ts:123](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L123) Generic event emitter interface #### Type Parameters ##### TEventMap `TEventMap` *extends* `Record`\<`string`, (...`args`) => `void`> = [`EIP1193EventMap`](#eip1193eventmap) Event map defining available events #### Methods ##### emit() > **emit**(`eventName`, ...`args`): `boolean` Defined in: [src/provider/events/EIP1193Events.ts:148](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L148) **`Internal`** Emit event (internal use) ###### Parameters ###### eventName keyof `TEventMap` ###### args ...`any`\[] ###### Returns `boolean` ##### on() > **on**\<`TEvent`>(`event`, `listener`): `this` Defined in: [src/provider/events/EIP1193Events.ts:130](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L130) Register event listener ###### Type Parameters ###### TEvent `TEvent` *extends* `string` | `number` | `symbol` ###### Parameters ###### event `TEvent` ###### listener `TEventMap`\[`TEvent`] ###### Returns `this` ##### removeListener() > **removeListener**\<`TEvent`>(`event`, `listener`): `this` Defined in: [src/provider/events/EIP1193Events.ts:138](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L138) Remove event listener ###### Type Parameters ###### TEvent `TEvent` *extends* `string` | `number` | `symbol` ###### Parameters ###### event `TEvent` ###### listener `TEventMap`\[`TEvent`] ###### Returns `this` *** ### EIP1193EventMap Defined in: [src/provider/events/EIP1193Events.ts:38](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L38) Standard EIP-1193 event map Defines the five standard events specified in EIP-1193. Providers MAY extend this with custom events. #### Example ```typescript theme={null} // Standard events only type StandardProvider = { on( event: TEvent, listener: EIP1193EventMap[TEvent] ): void; }; // Extended events type ExtendedEventMap = EIP1193EventMap & { newBlock(block: Block): void; newTransaction(tx: Transaction): void; }; ``` #### Extends * `Record`\<`string`, (...`args`) => `void`> #### Indexable \[`key`: `string`]: (...`args`) => `void` #### Methods ##### accountsChanged() > **accountsChanged**(`accounts`): `void` Defined in: [src/provider/events/EIP1193Events.ts:99](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L99) Emitted when available accounts change ###### Parameters ###### accounts `string`\[] New accounts array (per eth\_accounts) ###### Returns `void` ###### Example ```typescript theme={null} provider.on('accountsChanged', (accounts) => { if (accounts.length === 0) { console.log('Disconnected'); } else { console.log('Active account:', accounts[0]); } }); ``` ##### chainChanged() > **chainChanged**(`chainId`): `void` Defined in: [src/provider/events/EIP1193Events.ts:81](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L81) Emitted when active chain changes ###### Parameters ###### chainId `string` New chain ID (hex string per eth\_chainId) ###### Returns `void` ###### Example ```typescript theme={null} provider.on('chainChanged', (chainId) => { console.log('Switched to chain:', parseInt(chainId, 16)); }); ``` ##### connect() > **connect**(`connectInfo`): `void` Defined in: [src/provider/events/EIP1193Events.ts:53](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L53) Emitted when Provider connects to a chain ###### Parameters ###### connectInfo [`ProviderConnectInfo`](#providerconnectinfo) Chain connection information ###### Returns `void` ###### Example ```typescript theme={null} provider.on('connect', ({ chainId }) => { console.log('Connected to chain:', chainId); }); ``` ##### disconnect() > **disconnect**(`error`): `void` Defined in: [src/provider/events/EIP1193Events.ts:67](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L67) Emitted when Provider disconnects from ALL chains ###### Parameters ###### error [`ProviderRpcError`](#providerrpcerror) Disconnect error (code from CloseEvent spec) ###### Returns `void` ###### Example ```typescript theme={null} provider.on('disconnect', (error) => { console.error('Disconnected:', error.message, error.code); }); ``` ##### message() > **message**(`message`): `void` Defined in: [src/provider/events/EIP1193Events.ts:115](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Events.ts#L115) Emitted for arbitrary notifications (subscriptions, etc) ###### Parameters ###### message [`ProviderMessage`](#providermessage) Provider message ###### Returns `void` ###### Example ```typescript theme={null} provider.on('message', ({ type, data }) => { if (type === 'eth_subscription') { console.log('Subscription update:', data); } }); ``` *** ### EIP1193RequestOptions Defined in: [src/provider/request/EIP1193RequestOptions.ts:20](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/request/EIP1193RequestOptions.ts#L20) Optional request configuration #### Example ```typescript theme={null} const result = await provider.request( { method: 'eth_blockNumber' }, { retryCount: 3, retryDelay: 1000 } ); ``` #### Properties ##### retryCount? > `optional` **retryCount**: `number` Defined in: [src/provider/request/EIP1193RequestOptions.ts:22](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/request/EIP1193RequestOptions.ts#L22) Max number of retries (default: 0) ##### retryDelay? > `optional` **retryDelay**: `number` Defined in: [src/provider/request/EIP1193RequestOptions.ts:24](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/request/EIP1193RequestOptions.ts#L24) Base delay between retries in ms (default: 0) ##### timeout? > `optional` **timeout**: `number` Defined in: [src/provider/request/EIP1193RequestOptions.ts:26](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/request/EIP1193RequestOptions.ts#L26) Request timeout in ms (optional) *** ### EthSubscription Defined in: [src/provider/events/EIP1193Provider.ts:36](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Provider.ts#L36) Ethereum subscription message Specialized message for eth\_subscribe notifications #### Extends * [`ProviderMessage`](#providermessage) #### Properties ##### data > `readonly` **data**: `object` Defined in: [src/provider/events/EIP1193Provider.ts:38](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Provider.ts#L38) Message payload ###### result > **result**: `unknown` ###### subscription > **subscription**: `string` ###### Overrides [`ProviderMessage`](#providermessage).[`data`](#data-2) ##### type > `readonly` **type**: `"eth_subscription"` Defined in: [src/provider/events/EIP1193Provider.ts:37](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Provider.ts#L37) Message type identifier ###### Overrides [`ProviderMessage`](#providermessage).[`type`](#type-1) *** ### HttpProviderOptions Defined in: [src/provider/HttpProvider.ts:32](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L32) HTTP configuration options #### Properties ##### headers? > `optional` **headers**: `Record`\<`string`, `string`> Defined in: [src/provider/HttpProvider.ts:36](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L36) Optional HTTP headers ##### retry? > `optional` **retry**: `number` Defined in: [src/provider/HttpProvider.ts:40](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L40) Default retry attempts ##### retryDelay? > `optional` **retryDelay**: `number` Defined in: [src/provider/HttpProvider.ts:42](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L42) Default retry delay in ms ##### timeout? > `optional` **timeout**: `number` Defined in: [src/provider/HttpProvider.ts:38](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L38) Default request timeout in ms ##### url > **url**: `string` Defined in: [src/provider/HttpProvider.ts:34](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/HttpProvider.ts#L34) JSON-RPC endpoint URL *** ### InMemoryProviderOptions Defined in: [src/provider/InMemoryProvider.ts:28](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L28) In-Memory Provider configuration options #### Properties ##### accounts? > `optional` **accounts**: `object`\[] Defined in: [src/provider/InMemoryProvider.ts:36](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L36) Initial accounts with balances ###### address > **address**: `string` ###### balance > **balance**: `string` ###### privateKey? > `optional` **privateKey**: `string` ##### baseFeePerGas? > `optional` **baseFeePerGas**: `bigint` Defined in: [src/provider/InMemoryProvider.ts:46](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L46) Base fee per gas (default: 1000000000 = 1 gwei) ##### blockGasLimit? > `optional` **blockGasLimit**: `bigint` Defined in: [src/provider/InMemoryProvider.ts:44](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L44) Block gas limit (default: 30000000) ##### blockNumber? > `optional` **blockNumber**: `bigint` Defined in: [src/provider/InMemoryProvider.ts:42](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L42) Initial block number (default: 0) ##### chainId? > `optional` **chainId**: `number` Defined in: [src/provider/InMemoryProvider.ts:30](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L30) Chain ID (default: 1) ##### mining? > `optional` **mining**: `"interval"` | `"auto"` | `"manual"` Defined in: [src/provider/InMemoryProvider.ts:32](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L32) Mining mode: auto, interval, or manual (default: auto) ##### miningInterval? > `optional` **miningInterval**: `number` Defined in: [src/provider/InMemoryProvider.ts:34](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/InMemoryProvider.ts#L34) Mining interval in ms (when mode is 'interval') *** ### LegacyProviderConnectInfo Defined in: [src/provider/types.ts:78](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L78) EIP-1193 chain information for connect event #### Properties ##### chainId > **chainId**: `string` Defined in: [src/provider/types.ts:80](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L80) Chain ID as hex string *** ### LegacyProviderEventMap Defined in: [src/provider/types.ts:86](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L86) EIP-1193 provider events #### Properties ##### accountsChanged > **accountsChanged**: \[`string`\[]] Defined in: [src/provider/types.ts:88](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L88) Emitted when accounts change ##### chainChanged > **chainChanged**: \[`string`] Defined in: [src/provider/types.ts:90](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L90) Emitted when chain changes ##### connect > **connect**: \[[`LegacyProviderConnectInfo`](#legacyproviderconnectinfo)] Defined in: [src/provider/types.ts:92](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L92) Emitted when provider connects ##### disconnect > **disconnect**: \[[`RpcError`](#rpcerror)] Defined in: [src/provider/types.ts:94](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L94) Emitted when provider disconnects ##### message > **message**: \[`object`] Defined in: [src/provider/types.ts:96](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L96) Emitted for custom messages *** ### LegacyRequestArguments Defined in: [src/provider/types.ts:12](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L12) EIP-1193 request arguments #### Properties ##### method > `readonly` **method**: `string` Defined in: [src/provider/types.ts:14](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L14) JSON-RPC method name ##### params? > `readonly` `optional` **params**: `object` | readonly `unknown`\[] Defined in: [src/provider/types.ts:16](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L16) Method parameters (array or object) *** ### Provider Defined in: [src/provider/Provider.ts:40](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/Provider.ts#L40) EIP-1193 Provider interface for Ethereum JSON-RPC communication Compliant with EIP-1193 specification: * Single request() method for all RPC calls * EventEmitter for blockchain events (accountsChanged, chainChanged, etc.) * Throws RpcError on failures (does not return error objects) #### Example ```typescript theme={null} const provider: Provider = new HttpProvider('https://eth.example.com'); // Make requests const blockNumber = await provider.request({ method: 'eth_blockNumber', params: [] }); // Listen to events provider.on('chainChanged', (chainId) => { console.log('Chain changed:', chainId); }); ``` #### Methods ##### on() > **on**\<`E`>(`event`, `listener`): `this` Defined in: [src/provider/Provider.ts:57](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/Provider.ts#L57) Register event listener ###### Type Parameters ###### E `E` *extends* keyof [`LegacyProviderEventMap`](#legacyprovidereventmap) ###### Parameters ###### event `E` Event name ###### listener (...`args`) => `void` Event listener callback ###### Returns `this` Provider instance for chaining ##### removeListener() > **removeListener**\<`E`>(`event`, `listener`): `this` Defined in: [src/provider/Provider.ts:69](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/Provider.ts#L69) Remove event listener ###### Type Parameters ###### E `E` *extends* keyof [`LegacyProviderEventMap`](#legacyprovidereventmap) ###### Parameters ###### event `E` Event name ###### listener (...`args`) => `void` Event listener callback to remove ###### Returns `this` Provider instance for chaining ##### request() > **request**(`args`): `Promise`\<`unknown`> Defined in: [src/provider/Provider.ts:48](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/Provider.ts#L48) Submit JSON-RPC request to provider ###### Parameters ###### args [`LegacyRequestArguments`](#legacyrequestarguments) Request arguments containing method and params ###### Returns `Promise`\<`unknown`> Promise resolving to the result ###### Throws RpcError on failure *** ### ProviderConnectInfo Defined in: [src/provider/events/EIP1193Provider.ts:14](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Provider.ts#L14) Connection information Provided in 'connect' event #### Properties ##### chainId > `readonly` **chainId**: `string` Defined in: [src/provider/events/EIP1193Provider.ts:16](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Provider.ts#L16) Chain ID as hex string (per eth\_chainId) *** ### ProviderMessage Defined in: [src/provider/events/EIP1193Provider.ts:24](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Provider.ts#L24) Provider message Used for 'message' event (subscriptions, notifications) #### Extended by * [`EthSubscription`](#ethsubscription) #### Properties ##### data > `readonly` **data**: `unknown` Defined in: [src/provider/events/EIP1193Provider.ts:28](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Provider.ts#L28) Message payload ##### type > `readonly` **type**: `string` Defined in: [src/provider/events/EIP1193Provider.ts:26](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/EIP1193Provider.ts#L26) Message type identifier *** ### RequestArguments Defined in: [src/provider/request/RequestArguments.ts:29](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/request/RequestArguments.ts#L29) EIP-1193 request arguments #### Example ```typescript theme={null} const args: RequestArguments = { method: 'eth_call', params: [{ to: '0x...', data: '0x...' }, 'latest'] }; ``` #### Type Parameters ##### TRpcSchema `TRpcSchema` *extends* [`RpcSchema`](#rpcschema) RPC schema ##### TMethod `TMethod` *extends* [`RpcMethodNames`](#rpcmethodnames)\<`TRpcSchema`> = [`RpcMethodNames`](#rpcmethodnames)\<`TRpcSchema`> Specific method name #### Properties ##### method > `readonly` **method**: `TMethod` Defined in: [src/provider/request/RequestArguments.ts:33](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/request/RequestArguments.ts#L33) ##### params? > `readonly` `optional` **params**: [`RpcMethodParameters`](#rpcmethodparameters)\<`TRpcSchema`, `TMethod`> Defined in: [src/provider/request/RequestArguments.ts:34](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/request/RequestArguments.ts#L34) *** ### RequestOptions Defined in: [src/provider/types.ts:50](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L50) Optional configuration for provider requests #### Properties ##### retry? > `optional` **retry**: `number` Defined in: [src/provider/types.ts:54](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L54) Number of retry attempts on failure ##### retryDelay? > `optional` **retryDelay**: `number` Defined in: [src/provider/types.ts:56](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L56) Delay between retries in milliseconds ##### timeout? > `optional` **timeout**: `number` Defined in: [src/provider/types.ts:52](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L52) Request timeout in milliseconds *** ### RpcError Defined in: [src/provider/types.ts:22](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L22) JSON-RPC error response #### Properties ##### code > **code**: `number` Defined in: [src/provider/types.ts:24](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L24) Error code (EIP-1193 or JSON-RPC 2.0) ##### data? > `optional` **data**: `unknown` Defined in: [src/provider/types.ts:28](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L28) Optional error data ##### message > **message**: `string` Defined in: [src/provider/types.ts:26](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L26) Human-readable error message *** ### TypedProvider Defined in: [src/provider/TypedProvider.ts:30](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/TypedProvider.ts#L30) Generic Ethereum Provider interface #### Example ```typescript theme={null} import type { TypedProvider, VoltaireRpcSchema, EIP1193EventMap } from './provider/index.js'; // Provider with Voltaire's full JSON-RPC schema type VoltaireProvider = TypedProvider; // Provider with custom schema type CustomProvider = TypedProvider; ``` #### Type Parameters ##### TRpcSchema `TRpcSchema` *extends* [`RpcSchema`](#rpcschema) = [`RpcSchema`](#rpcschema) RPC schema defining supported methods ##### TEventMap `TEventMap` *extends* `Record`\<`string`, (...`args`) => `void`> = [`EIP1193EventMap`](#eip1193eventmap) Event map defining supported events (defaults to standard EIP-1193) #### Properties ##### request > **request**: [`EIP1193RequestFn`](#eip1193requestfn)\<`TRpcSchema`> Defined in: [src/provider/TypedProvider.ts:50](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/TypedProvider.ts#L50) Execute JSON-RPC request ###### Param Request arguments (method + params) ###### Param Optional request configuration (retry, timeout) ###### Returns Promise resolving to method-specific return type ###### Example ```typescript theme={null} const blockNumber = await provider.request({ method: 'eth_blockNumber', params: [] }); ``` #### Methods ##### on() > **on**\<`TEvent`>(`event`, `listener`): `this` Defined in: [src/provider/TypedProvider.ts:65](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/TypedProvider.ts#L65) Register event listener ###### Type Parameters ###### TEvent `TEvent` *extends* `string` | `number` | `symbol` ###### Parameters ###### event `TEvent` Event name ###### listener `TEventMap`\[`TEvent`] Event handler ###### Returns `this` ###### Example ```typescript theme={null} provider.on('chainChanged', (chainId: string) => { console.log('Chain changed to:', chainId); }); ``` ##### removeListener() > **removeListener**\<`TEvent`>(`event`, `listener`): `this` Defined in: [src/provider/TypedProvider.ts:76](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/TypedProvider.ts#L76) Remove event listener ###### Type Parameters ###### TEvent `TEvent` *extends* `string` | `number` | `symbol` ###### Parameters ###### event `TEvent` Event name ###### listener `TEventMap`\[`TEvent`] Event handler to remove ###### Returns `this` *** ### WebSocketProviderOptions Defined in: [src/provider/WebSocketProvider.ts:23](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L23) WebSocket configuration options #### Properties ##### maxReconnectAttempts? > `optional` **maxReconnectAttempts**: `number` Defined in: [src/provider/WebSocketProvider.ts:33](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L33) Max reconnect attempts (0 = infinite) ##### protocols? > `optional` **protocols**: `string` | `string`\[] Defined in: [src/provider/WebSocketProvider.ts:27](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L27) WebSocket protocols ##### reconnect? > `optional` **reconnect**: `boolean` Defined in: [src/provider/WebSocketProvider.ts:29](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L29) Reconnect automatically on disconnect ##### reconnectDelay? > `optional` **reconnectDelay**: `number` Defined in: [src/provider/WebSocketProvider.ts:31](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L31) Reconnect delay in ms ##### url > **url**: `string` Defined in: [src/provider/WebSocketProvider.ts:25](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/WebSocketProvider.ts#L25) WebSocket endpoint URL ## Type Aliases ### BlockTag > **BlockTag** = `"latest"` | `"earliest"` | `"pending"` | `"safe"` | `"finalized"` | `string` Defined in: [src/provider/types.ts:62](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L62) Block tag for specifying block context *** ### DerivedRpcSchema > **DerivedRpcSchema**\<`TBase`, `TOverride`> = `TOverride` *extends* [`RpcSchema`](#rpcschema) ? `TOverride` : `TBase` *extends* [`RpcSchema`](#rpcschema) ? `TBase` : [`RpcSchema`](#rpcschema) Defined in: [src/provider/schemas/DerivedRpcSchema.ts:38](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/schemas/DerivedRpcSchema.ts#L38) Derive RPC schema from base and override Allows extending a base schema with additional methods or overriding existing ones. #### Type Parameters ##### TBase `TBase` *extends* [`RpcSchema`](#rpcschema) | `undefined` Base schema ##### TOverride `TOverride` *extends* [`RpcSchemaOverride`](#rpcschemaoverride) = `undefined` Override schema (optional) #### Example ```typescript theme={null} type BaseSchema = readonly [ { Method: 'eth_blockNumber', Parameters: [], ReturnType: string } ]; type CustomSchema = readonly [ { Method: 'custom_method', Parameters: [string], ReturnType: number } ]; type Combined = DerivedRpcSchema; // Result: both eth_blockNumber and custom_method are available ``` *** ### EIP1193Provider > **EIP1193Provider** = [`TypedProvider`](#typedprovider)\<[`RpcSchema`](#rpcschema), [`EIP1193EventMap`](#eip1193eventmap)> Defined in: [src/provider/TypedProvider.ts:87](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/TypedProvider.ts#L87) Standard EIP-1193 provider type alias Uses generic RpcSchema (any methods) with standard EIP-1193 events *** ### EIP1193RequestFn() > **EIP1193RequestFn**\<`TRpcSchema`> = \<`TMethod`>(`args`, `options?`) => `Promise`\<[`RpcMethodReturnType`](#rpcmethodreturntype)\<`TRpcSchema`, `TMethod`>> Defined in: [src/provider/request/EIP1193RequestFn.ts:45](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/request/EIP1193RequestFn.ts#L45) Type-safe EIP-1193 request function #### Type Parameters ##### TRpcSchema `TRpcSchema` *extends* [`RpcSchema`](#rpcschema) RPC schema defining supported methods Generic request function that: * Accepts method name and parameters * Returns Promise with method-specific return type * Supports optional request configuration #### Type Parameters ##### TMethod `TMethod` *extends* [`RpcMethodNames`](#rpcmethodnames)\<`TRpcSchema`> #### Parameters ##### args [`RequestArguments`](#requestarguments)\<`TRpcSchema`, `TMethod`> ##### options? [`EIP1193RequestOptions`](#eip1193requestoptions) #### Returns `Promise`\<[`RpcMethodReturnType`](#rpcmethodreturntype)\<`TRpcSchema`, `TMethod`>> #### Example ```typescript theme={null} const request: EIP1193RequestFn = async (args, options) => { // Implementation }; // Type-safe: return type inferred as string const blockNumber = await request({ method: 'eth_blockNumber' }); // Type-safe: params validated, return type inferred const balance = await request({ method: 'eth_getBalance', params: ['0x123...', 'latest'] }); ``` *** ### ProviderEvent > **ProviderEvent** = keyof [`LegacyProviderEventMap`](#legacyprovidereventmap) Defined in: [src/provider/types.ts:102](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L102) Event names for EIP-1193 provider *** ### ProviderEventListener() > **ProviderEventListener** = (...`args`) => `void` Defined in: [src/provider/types.ts:73](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/types.ts#L73) EIP-1193 event listener #### Parameters ##### args ...`unknown`\[] #### Returns `void` *** ### RpcMethodNames > **RpcMethodNames**\<`TSchema`> = `TSchema`\[`number`]\[`"Method"`] Defined in: [src/provider/RpcSchema.ts:49](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/RpcSchema.ts#L49) Extract method names from schema #### Type Parameters ##### TSchema `TSchema` *extends* [`RpcSchema`](#rpcschema) #### Example ```typescript theme={null} type Methods = RpcMethodNames; // => 'eth_blockNumber' | 'eth_call' | 'debug_traceTransaction' | ... ``` *** ### RpcMethodParameters > **RpcMethodParameters**\<`TSchema`, `TMethod`> = `Extract`\<`TSchema`\[`number`], \{ `Method`: `TMethod`; }>\[`"Parameters"`] Defined in: [src/provider/RpcSchema.ts:61](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/RpcSchema.ts#L61) Extract parameters for specific method #### Type Parameters ##### TSchema `TSchema` *extends* [`RpcSchema`](#rpcschema) ##### TMethod `TMethod` *extends* [`RpcMethodNames`](#rpcmethodnames)\<`TSchema`> #### Example ```typescript theme={null} type CallParams = RpcMethodParameters; // => [{ to: string, data: string, ... }, string] ``` *** ### RpcMethodReturnType > **RpcMethodReturnType**\<`TSchema`, `TMethod`> = `Extract`\<`TSchema`\[`number`], \{ `Method`: `TMethod`; }>\[`"ReturnType"`] Defined in: [src/provider/RpcSchema.ts:75](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/RpcSchema.ts#L75) Extract return type for specific method #### Type Parameters ##### TSchema `TSchema` *extends* [`RpcSchema`](#rpcschema) ##### TMethod `TMethod` *extends* [`RpcMethodNames`](#rpcmethodnames)\<`TSchema`> #### Example ```typescript theme={null} type CallReturn = RpcMethodReturnType; // => string (hex-encoded bytes) ``` *** ### RpcSchema > **RpcSchema** = readonly `object`\[] Defined in: [src/provider/RpcSchema.ts:34](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/RpcSchema.ts#L34) Base RPC schema type Readonly array of method definitions. Each entry maps: * Method: JSON-RPC method name * Parameters: Input parameter types (optional) * ReturnType: Expected return type #### Example ```typescript theme={null} const MySchema = [ { Method: 'eth_blockNumber', Parameters: [], ReturnType: string }, { Method: 'eth_call', Parameters: [{ to: string, data: string }, string], ReturnType: string } ] as const satisfies RpcSchema; ``` *** ### RpcSchemaOverride > **RpcSchemaOverride** = [`RpcSchema`](#rpcschema) | `undefined` Defined in: [src/provider/schemas/DerivedRpcSchema.ts:14](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/schemas/DerivedRpcSchema.ts#L14) Schema override type *** ### VoltaireRpcSchema > **VoltaireRpcSchema** = readonly \[\{ `Method`: `"eth_accounts"`; `Parameters`: \[]; `ReturnType`: `string`\[]; }, \{ `Method`: `"eth_blobBaseFee"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_blockNumber"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_call"`; `Parameters`: \[\{ `data?`: `string`; `from?`: `string`; `gas?`: `string`; `gasPrice?`: `string`; `to`: `string`; `value?`: `string`; }, `string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_chainId"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_coinbase"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_createAccessList"`; `Parameters`: \[\{ `data?`: `string`; `from?`: `string`; `gas?`: `string`; `gasPrice?`: `string`; `to`: `string`; `value?`: `string`; }, `string`]; `ReturnType`: \{ `accessList`: `object`\[]; `gasUsed`: `string`; }; }, \{ `Method`: `"eth_estimateGas"`; `Parameters`: \[\{ `data?`: `string`; `from?`: `string`; `gas?`: `string`; `gasPrice?`: `string`; `to?`: `string`; `value?`: `string`; }, `string`?]; `ReturnType`: `string`; }, \{ `Method`: `"eth_feeHistory"`; `Parameters`: \[`string`, `string`, `number`\[]?]; `ReturnType`: \{ `baseFeePerGas`: `string`\[]; `gasUsedRatio`: `number`\[]; `oldestBlock`: `string`; `reward?`: `string`\[]\[]; }; }, \{ `Method`: `"eth_gasPrice"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_getBalance"`; `Parameters`: \[`string`, `string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_getBlockByHash"`; `Parameters`: \[`string`, `boolean`]; `ReturnType`: [`BlockType`](../primitives/Block.mdx#blocktype) | `null`; }, \{ `Method`: `"eth_getBlockByNumber"`; `Parameters`: \[`string`, `boolean`]; `ReturnType`: [`BlockType`](../primitives/Block.mdx#blocktype) | `null`; }, \{ `Method`: `"eth_getBlockReceipts"`; `Parameters`: \[`string`]; `ReturnType`: [`ReceiptType`](../primitives/Receipt.mdx#receipttype)\[] | `null`; }, \{ `Method`: `"eth_getBlockTransactionCountByHash"`; `Parameters`: \[`string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_getBlockTransactionCountByNumber"`; `Parameters`: \[`string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_getCode"`; `Parameters`: \[`string`, `string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_getFilterChanges"`; `Parameters`: \[`string`]; `ReturnType`: [`EventLogType`](../primitives/EventLog.mdx#eventlogtype)\[] | `string`\[]; }, \{ `Method`: `"eth_getFilterLogs"`; `Parameters`: \[`string`]; `ReturnType`: [`EventLogType`](../primitives/EventLog.mdx#eventlogtype)\[]; }, \{ `Method`: `"eth_getLogs"`; `Parameters`: \[\{ `address?`: `string` | `string`\[]; `blockHash?`: `string`; `fromBlock?`: `string`; `toBlock?`: `string`; `topics?`: (`string` | `string`\[] | `null`)\[]; }]; `ReturnType`: [`EventLogType`](../primitives/EventLog.mdx#eventlogtype)\[]; }, \{ `Method`: `"eth_getProof"`; `Parameters`: \[`string`, `string`\[], `string`]; `ReturnType`: \{ `accountProof`: `string`\[]; `balance`: `string`; `codeHash`: `string`; `nonce`: `string`; `storageHash`: `string`; `storageProof`: `object`\[]; }; }, \{ `Method`: `"eth_getStorageAt"`; `Parameters`: \[`string`, `string`, `string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_getTransactionByBlockHashAndIndex"`; `Parameters`: \[`string`, `string`]; `ReturnType`: [`Any`](../primitives/Transaction/index.mdx#any) | `null`; }, \{ `Method`: `"eth_getTransactionByBlockNumberAndIndex"`; `Parameters`: \[`string`, `string`]; `ReturnType`: [`Any`](../primitives/Transaction/index.mdx#any) | `null`; }, \{ `Method`: `"eth_getTransactionByHash"`; `Parameters`: \[`string`]; `ReturnType`: [`Any`](../primitives/Transaction/index.mdx#any) | `null`; }, \{ `Method`: `"eth_getTransactionCount"`; `Parameters`: \[`string`, `string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_getTransactionReceipt"`; `Parameters`: \[`string`]; `ReturnType`: [`ReceiptType`](../primitives/Receipt.mdx#receipttype) | `null`; }, \{ `Method`: `"eth_getUncleByBlockHashAndIndex"`; `Parameters`: \[`string`, `string`]; `ReturnType`: [`BlockType`](../primitives/Block.mdx#blocktype) | `null`; }, \{ `Method`: `"eth_getUncleByBlockNumberAndIndex"`; `Parameters`: \[`string`, `string`]; `ReturnType`: [`BlockType`](../primitives/Block.mdx#blocktype) | `null`; }, \{ `Method`: `"eth_getUncleCountByBlockHash"`; `Parameters`: \[`string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_getUncleCountByBlockNumber"`; `Parameters`: \[`string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_getWork"`; `Parameters`: \[]; `ReturnType`: \[`string`, `string`, `string`]; }, \{ `Method`: `"eth_hashrate"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_maxPriorityFeePerGas"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_mining"`; `Parameters`: \[]; `ReturnType`: `boolean`; }, \{ `Method`: `"eth_newBlockFilter"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_newFilter"`; `Parameters`: \[\{ `address?`: `string` | `string`\[]; `fromBlock?`: `string`; `toBlock?`: `string`; `topics?`: (`string` | `string`\[] | `null`)\[]; }]; `ReturnType`: `string`; }, \{ `Method`: `"eth_newPendingTransactionFilter"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_protocolVersion"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"eth_sendRawTransaction"`; `Parameters`: \[`string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_sendTransaction"`; `Parameters`: \[\{ `data?`: `string`; `from`: `string`; `gas?`: `string`; `gasPrice?`: `string`; `nonce?`: `string`; `to?`: `string`; `value?`: `string`; }]; `ReturnType`: `string`; }, \{ `Method`: `"eth_sign"`; `Parameters`: \[`string`, `string`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_signTransaction"`; `Parameters`: \[\{ `data?`: `string`; `from`: `string`; `gas?`: `string`; `gasPrice?`: `string`; `nonce?`: `string`; `to?`: `string`; `value?`: `string`; }]; `ReturnType`: `string`; }, \{ `Method`: `"eth_simulateV1"`; `Parameters`: \[`unknown`, `string`?]; `ReturnType`: `unknown`\[]; }, \{ `Method`: `"eth_submitHashrate"`; `Parameters`: \[`string`, `string`]; `ReturnType`: `boolean`; }, \{ `Method`: `"eth_submitWork"`; `Parameters`: \[`string`, `string`, `string`]; `ReturnType`: `boolean`; }, \{ `Method`: `"eth_subscribe"`; `Parameters`: \[`string`, `...unknown[]`]; `ReturnType`: `string`; }, \{ `Method`: `"eth_syncing"`; `Parameters`: \[]; `ReturnType`: `false` | \{ `currentBlock`: `string`; `highestBlock`: `string`; `startingBlock`: `string`; }; }, \{ `Method`: `"eth_uninstallFilter"`; `Parameters`: \[`string`]; `ReturnType`: `boolean`; }, \{ `Method`: `"eth_unsubscribe"`; `Parameters`: \[`string`]; `ReturnType`: `boolean`; }, \{ `Method`: `"debug_getBadBlocks"`; `Parameters`: \[]; `ReturnType`: `unknown`\[]; }, \{ `Method`: `"debug_getRawBlock"`; `Parameters`: \[`string`]; `ReturnType`: `string`; }, \{ `Method`: `"debug_getRawHeader"`; `Parameters`: \[`string`]; `ReturnType`: `string`; }, \{ `Method`: `"debug_getRawReceipts"`; `Parameters`: \[`string`]; `ReturnType`: `string`\[]; }, \{ `Method`: `"debug_getRawTransaction"`; `Parameters`: \[`string`]; `ReturnType`: `string`; }, \{ `Method`: `"engine_exchangeCapabilities"`; `Parameters`: \[`string`\[]]; `ReturnType`: `string`\[]; }, \{ `Method`: `"engine_exchangeTransitionConfigurationV1"`; `Parameters`: \[`unknown`]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_forkchoiceUpdatedV1"`; `Parameters`: \[`unknown`, `unknown`?]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_forkchoiceUpdatedV2"`; `Parameters`: \[`unknown`, `unknown`?]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_forkchoiceUpdatedV3"`; `Parameters`: \[`unknown`, `unknown`?]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_getBlobsV1"`; `Parameters`: \[`string`\[]]; `ReturnType`: `unknown`\[]; }, \{ `Method`: `"engine_getBlobsV2"`; `Parameters`: \[`string`\[]]; `ReturnType`: `unknown`\[]; }, \{ `Method`: `"engine_getPayloadBodiesByHashV1"`; `Parameters`: \[`string`\[]]; `ReturnType`: `unknown`\[]; }, \{ `Method`: `"engine_getPayloadBodiesByRangeV1"`; `Parameters`: \[`string`, `string`]; `ReturnType`: `unknown`\[]; }, \{ `Method`: `"engine_getPayloadV1"`; `Parameters`: \[`string`]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_getPayloadV2"`; `Parameters`: \[`string`]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_getPayloadV3"`; `Parameters`: \[`string`]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_getPayloadV4"`; `Parameters`: \[`string`]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_getPayloadV5"`; `Parameters`: \[`string`]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_getPayloadV6"`; `Parameters`: \[`string`]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_newPayloadV1"`; `Parameters`: \[`unknown`]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_newPayloadV2"`; `Parameters`: \[`unknown`, `string`\[]?]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_newPayloadV3"`; `Parameters`: \[`unknown`, `string`\[]?, `string`?]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_newPayloadV4"`; `Parameters`: \[`unknown`, `string`\[]?, `string`?]; `ReturnType`: `unknown`; }, \{ `Method`: `"engine_newPayloadV5"`; `Parameters`: \[`unknown`, `string`\[]?, `string`?]; `ReturnType`: `unknown`; }, \{ `Method`: `"web3_clientVersion"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"web3_sha3"`; `Parameters`: \[`string`]; `ReturnType`: `string`; }, \{ `Method`: `"net_version"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"net_listening"`; `Parameters`: \[]; `ReturnType`: `boolean`; }, \{ `Method`: `"net_peerCount"`; `Parameters`: \[]; `ReturnType`: `string`; }, \{ `Method`: `"txpool_status"`; `Parameters`: \[]; `ReturnType`: \{ `pending`: `string`; `queued`: `string`; }; }, \{ `Method`: `"txpool_content"`; `Parameters`: \[]; `ReturnType`: \{ `pending`: `Record`\<`string`, `Record`\<`string`, `unknown`>>; `queued`: `Record`\<`string`, `Record`\<`string`, `unknown`>>; }; }, \{ `Method`: `"txpool_inspect"`; `Parameters`: \[]; `ReturnType`: \{ `pending`: `Record`\<`string`, `Record`\<`string`, `string`>>; `queued`: `Record`\<`string`, `Record`\<`string`, `string`>>; }; }, \{ `Method`: `"anvil_impersonateAccount"`; `Parameters`: \[`string`]; `ReturnType`: `null`; }, \{ `Method`: `"anvil_stopImpersonatingAccount"`; `Parameters`: \[`string`]; `ReturnType`: `null`; }, \{ `Method`: `"anvil_setBalance"`; `Parameters`: \[`string`, `string`]; `ReturnType`: `null`; }, \{ `Method`: `"anvil_setCode"`; `Parameters`: \[`string`, `string`]; `ReturnType`: `null`; }, \{ `Method`: `"anvil_setNonce"`; `Parameters`: \[`string`, `string`]; `ReturnType`: `null`; }, \{ `Method`: `"anvil_setStorageAt"`; `Parameters`: \[`string`, `string`, `string`]; `ReturnType`: `null`; }, \{ `Method`: `"evm_increaseTime"`; `Parameters`: \[`number`]; `ReturnType`: `string`; }, \{ `Method`: `"evm_mine"`; `Parameters`: \[\{ `blocks?`: `number`; `timestamp?`: `number`; }?]; `ReturnType`: `string`; }, \{ `Method`: `"evm_revert"`; `Parameters`: \[`string`]; `ReturnType`: `boolean`; }, \{ `Method`: `"evm_setAutomine"`; `Parameters`: \[`boolean`]; `ReturnType`: `null`; }, \{ `Method`: `"evm_setBlockGasLimit"`; `Parameters`: \[`string`]; `ReturnType`: `boolean`; }, \{ `Method`: `"evm_setIntervalMining"`; `Parameters`: \[`number`]; `ReturnType`: `null`; }, \{ `Method`: `"evm_setNextBlockTimestamp"`; `Parameters`: \[`number`]; `ReturnType`: `null`; }, \{ `Method`: `"evm_snapshot"`; `Parameters`: \[]; `ReturnType`: `string`; }] Defined in: [src/provider/schemas/VoltaireRpcSchema.ts:41](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/schemas/VoltaireRpcSchema.ts#L41) Voltaire's default RPC schema Combines all JSON-RPC methods from: * eth namespace (52 methods) * debug namespace * engine namespace * web3 namespace * net namespace * txpool namespace * anvil namespace (test methods) #### Example ```typescript theme={null} import type { TypedProvider, VoltaireRpcSchema } from './provider/index.js'; type VoltaireProvider = TypedProvider; const provider: VoltaireProvider = { request: async ({ method, params }) => { // Implementation }, on: (event, listener) => provider, removeListener: (event, listener) => provider, }; ``` ## Variables ### EIP1193ErrorCode > `const` **EIP1193ErrorCode**: `object` Defined in: [src/provider/events/ProviderRpcError.ts:46](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/ProviderRpcError.ts#L46) Standard EIP-1193 error codes #### Type Declaration ##### ChainDisconnected > `readonly` **ChainDisconnected**: `4901` = `4901` Provider not connected to requested chain ##### Disconnected > `readonly` **Disconnected**: `4900` = `4900` Provider disconnected from all chains ##### Unauthorized > `readonly` **Unauthorized**: `4100` = `4100` Method/account not authorized ##### UnsupportedMethod > `readonly` **UnsupportedMethod**: `4200` = `4200` Method not supported ##### UserRejectedRequest > `readonly` **UserRejectedRequest**: `4001` = `4001` User rejected the request *** ### JsonRpcErrorCode > `const` **JsonRpcErrorCode**: `object` Defined in: [src/provider/events/ProviderRpcError.ts:62](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/events/ProviderRpcError.ts#L62) JSON-RPC 2.0 error codes #### Type Declaration ##### InternalError > `readonly` **InternalError**: `-32603` = `-32603` Internal error ##### InvalidParams > `readonly` **InvalidParams**: `-32602` = `-32602` Invalid parameters ##### InvalidRequest > `readonly` **InvalidRequest**: `-32600` = `-32600` Invalid request object ##### MethodNotFound > `readonly` **MethodNotFound**: `-32601` = `-32601` Method not found ##### ParseError > `readonly` **ParseError**: `-32700` = `-32700` Invalid JSON ## Functions ### fromEvm() > **fromEvm**(`evmOrOptions`): [`Provider`](#provider) Defined in: [src/provider/fromEvm.ts:189](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/provider/fromEvm.ts#L189) Create a Provider from an EVM host-like object. Accepts either a BrandedHost directly or an object with a `host` property. #### Parameters ##### evmOrOptions [`BrandedHost`](../evm/index.mdx#brandedhost) | `FromEvmOptions` #### Returns [`Provider`](#provider)