openethereum/rpc/src/v1/helpers/errors.rs

189 lines
5.8 KiB
Rust
Raw Normal View History

// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! RPC Error codes and error objects
macro_rules! rpc_unimplemented {
() => (Err(::v1::helpers::errors::unimplemented()))
}
use std::fmt;
use ethcore::error::Error as EthcoreError;
use ethcore::account_provider::{Error as AccountError};
use jsonrpc_core::{Error, ErrorCode, Value};
mod codes {
// NOTE [ToDr] Codes from [-32099, -32000]
pub const UNSUPPORTED_REQUEST: i64 = -32000;
pub const NO_WORK: i64 = -32001;
pub const NO_AUTHOR: i64 = -32002;
pub const UNKNOWN_ERROR: i64 = -32009;
pub const TRANSACTION_ERROR: i64 = -32010;
pub const ACCOUNT_LOCKED: i64 = -32020;
pub const PASSWORD_INVALID: i64 = -32021;
pub const ACCOUNT_ERROR: i64 = -32023;
pub const SIGNER_DISABLED: i64 = -32030;
pub const REQUEST_REJECTED: i64 = -32040;
pub const REQUEST_NOT_FOUND: i64 = -32041;
pub const COMPILATION_ERROR: i64 = -32050;
}
pub fn unimplemented() -> Error {
Error {
code: ErrorCode::ServerError(codes::UNSUPPORTED_REQUEST),
message: "This request is not implemented yet. Please create an issue on Github repo.".into(),
data: None
}
}
pub fn request_not_found() -> Error {
Error {
code: ErrorCode::ServerError(codes::REQUEST_NOT_FOUND),
message: "Request not found.".into(),
data: None,
}
}
pub fn request_rejected() -> Error {
Error {
code: ErrorCode::ServerError(codes::REQUEST_REJECTED),
message: "Request has been rejected.".into(),
data: None,
}
}
pub fn account<T: fmt::Debug>(error: &str, details: T) -> Error {
Error {
code: ErrorCode::ServerError(codes::ACCOUNT_ERROR),
message: error.into(),
data: Some(Value::String(format!("{:?}", details))),
}
}
pub fn compilation<T: fmt::Debug>(error: T) -> Error {
Error {
code: ErrorCode::ServerError(codes::COMPILATION_ERROR),
message: "Error while compiling code.".into(),
data: Some(Value::String(format!("{:?}", error))),
}
}
pub fn internal<T: fmt::Debug>(error: &str, data: T) -> Error {
Error {
code: ErrorCode::InternalError,
message: format!("Internal error occurred: {}", error),
data: Some(Value::String(format!("{:?}", data))),
}
}
pub fn invalid_params<T: fmt::Debug>(param: &str, details: T) -> Error {
Error {
code: ErrorCode::InvalidParams,
message: format!("Couldn't parse parameters: {}", param),
data: Some(Value::String(format!("{:?}", details))),
}
}
pub fn state_pruned() -> Error {
Error {
code: ErrorCode::ServerError(codes::UNSUPPORTED_REQUEST),
message: "This request is not supported because your node is running with state pruning. Run with --pruning=archive.".into(),
data: None
}
}
pub fn no_work() -> Error {
Error {
code: ErrorCode::ServerError(codes::NO_WORK),
message: "Still syncing.".into(),
data: None
}
}
pub fn no_author() -> Error {
Error {
code: ErrorCode::ServerError(codes::NO_AUTHOR),
message: "Author not configured. Run Parity with --author to configure.".into(),
data: None
}
}
pub fn signer_disabled() -> Error {
Error {
code: ErrorCode::ServerError(codes::SIGNER_DISABLED),
message: "Trusted Signer is disabled. This API is not available.".into(),
data: None
}
}
pub fn from_signing_error(error: AccountError) -> Error {
Error {
code: ErrorCode::ServerError(codes::ACCOUNT_LOCKED),
message: "Your account is locked. Unlock the account via CLI, personal_unlockAccount or use Trusted Signer.".into(),
data: Some(Value::String(format!("{:?}", error))),
}
}
pub fn from_password_error(error: AccountError) -> Error {
Error {
code: ErrorCode::ServerError(codes::PASSWORD_INVALID),
message: "Account password is invalid or account does not exist.".into(),
data: Some(Value::String(format!("{:?}", error))),
}
}
pub fn from_transaction_error(error: EthcoreError) -> Error {
use ethcore::error::TransactionError::*;
if let EthcoreError::Transaction(e) = error {
let msg = match e {
AlreadyImported => "Transaction with the same hash was already imported.".into(),
Old => "Transaction nonce is too low. Try incrementing the nonce.".into(),
TooCheapToReplace => {
"Transaction fee is too low. There is another transaction with same nonce in the queue. Try increasing the fee or incrementing the nonce.".into()
},
LimitReached => {
"There are too many transactions in the queue. Your transaction was dropped due to limit. Try increasing the fee.".into()
},
InsufficientGasPrice { minimal, got } => {
format!("Transaction fee is too low. It does not satisfy your node's minimal fee (minimal: {}, got: {}). Try increasing the fee.", minimal, got)
},
InsufficientBalance { balance, cost } => {
format!("Insufficient funds. Account you try to send transaction from does not have enough funds. Required {} and got: {}.", cost, balance)
},
GasLimitExceeded { limit, got } => {
format!("Transaction cost exceeds current gas limit. Limit: {}, got: {}. Try decreasing supplied gas.", limit, got)
},
InvalidGasLimit(_) => "Supplied gas is beyond limit.".into(),
};
Error {
code: ErrorCode::ServerError(codes::TRANSACTION_ERROR),
message: msg,
data: None,
}
} else {
Error {
code: ErrorCode::ServerError(codes::UNKNOWN_ERROR),
message: "Unknown error when sending transaction.".into(),
data: Some(Value::String(format!("{:?}", error))),
}
}
}