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JSON-RPC API

As per the EIP-1193 specification, the zkEVM provider exposes a request function, which is intended to act as a transport and protocol agnostic wrapper for Remote Procedure Calls (RPCs):

export interface RequestArguments {
  method: string;
  params?: Array<any>;
}

export type Provider = {
  request: (request: RequestArguments) => Promise<any>;
  // ...
}

Error Handling​

The request method may reject with a JsonRpcError error: 

export class JsonRpcError extends Error {
  public readonly message: string;
  public readonly code: ProviderErrorCode | RpcErrorCode;
}

export enum ProviderErrorCode {
  USER_REJECTED_REQUEST = 4001,
  UNAUTHORIZED = 4100,
  UNSUPPORTED_METHOD = 4200,
  DISCONNECTED = 4900,
}

export enum RpcErrorCode {
  RPC_SERVER_ERROR = -32000,
  INVALID_REQUEST = -32600,
  METHOD_NOT_FOUND = -32601,
  INVALID_PARAMS = -32602,
  INTERNAL_ERROR = -32603,
  PARSE_ERROR = -32700,
  USER_REJECTED_REQUEST = -32003,
}

Supported RPC Methods​

The zkEVM provider supports the following RPC methods:

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