github.com/aitimate-0/go-ethereum@v1.9.7/rpc/errors.go (about)

     1  // Copyright 2015 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package rpc
    18  
    19  import "fmt"
    20  
    21  const defaultErrorCode = -32000
    22  
    23  type methodNotFoundError struct{ method string }
    24  
    25  func (e *methodNotFoundError) ErrorCode() int { return -32601 }
    26  
    27  func (e *methodNotFoundError) Error() string {
    28  	return fmt.Sprintf("the method %s does not exist/is not available", e.method)
    29  }
    30  
    31  type subscriptionNotFoundError struct{ namespace, subscription string }
    32  
    33  func (e *subscriptionNotFoundError) ErrorCode() int { return -32601 }
    34  
    35  func (e *subscriptionNotFoundError) Error() string {
    36  	return fmt.Sprintf("no %q subscription in %s namespace", e.subscription, e.namespace)
    37  }
    38  
    39  // Invalid JSON was received by the server.
    40  type parseError struct{ message string }
    41  
    42  func (e *parseError) ErrorCode() int { return -32700 }
    43  
    44  func (e *parseError) Error() string { return e.message }
    45  
    46  // received message isn't a valid request
    47  type invalidRequestError struct{ message string }
    48  
    49  func (e *invalidRequestError) ErrorCode() int { return -32600 }
    50  
    51  func (e *invalidRequestError) Error() string { return e.message }
    52  
    53  // received message is invalid
    54  type invalidMessageError struct{ message string }
    55  
    56  func (e *invalidMessageError) ErrorCode() int { return -32700 }
    57  
    58  func (e *invalidMessageError) Error() string { return e.message }
    59  
    60  // unable to decode supplied params, or an invalid number of parameters
    61  type invalidParamsError struct{ message string }
    62  
    63  func (e *invalidParamsError) ErrorCode() int { return -32602 }
    64  
    65  func (e *invalidParamsError) Error() string { return e.message }