293 lines
9.1 KiB
Rust
293 lines
9.1 KiB
Rust
// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! RPC Error codes and error objects
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macro_rules! rpc_unimplemented {
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() => (Err(::v1::helpers::errors::unimplemented(None)))
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}
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use std::fmt;
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use rlp::DecoderError;
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use ethcore::error::{Error as EthcoreError, CallError, TransactionError};
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use ethcore::account_provider::{Error as AccountError};
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use jsonrpc_core::{Error, ErrorCode, Value};
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mod codes {
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// NOTE [ToDr] Codes from [-32099, -32000]
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pub const UNSUPPORTED_REQUEST: i64 = -32000;
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pub const NO_WORK: i64 = -32001;
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pub const NO_AUTHOR: i64 = -32002;
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pub const NO_NEW_WORK: i64 = -32003;
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pub const NOT_ENOUGH_DATA: i64 = -32006;
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pub const UNKNOWN_ERROR: i64 = -32009;
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pub const TRANSACTION_ERROR: i64 = -32010;
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pub const EXECUTION_ERROR: i64 = -32015;
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pub const ACCOUNT_LOCKED: i64 = -32020;
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pub const PASSWORD_INVALID: i64 = -32021;
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pub const ACCOUNT_ERROR: i64 = -32023;
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pub const SIGNER_DISABLED: i64 = -32030;
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pub const DAPPS_DISABLED: i64 = -32031;
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pub const NETWORK_DISABLED: i64 = -32035;
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pub const REQUEST_REJECTED: i64 = -32040;
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pub const REQUEST_REJECTED_LIMIT: i64 = -32041;
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pub const REQUEST_NOT_FOUND: i64 = -32042;
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pub const COMPILATION_ERROR: i64 = -32050;
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pub const ENCRYPTION_ERROR: i64 = -32055;
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pub const FETCH_ERROR: i64 = -32060;
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}
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pub fn unimplemented(details: Option<String>) -> Error {
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Error {
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code: ErrorCode::ServerError(codes::UNSUPPORTED_REQUEST),
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message: "This request is not implemented yet. Please create an issue on Github repo.".into(),
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data: details.map(Value::String),
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}
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}
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pub fn request_not_found() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::REQUEST_NOT_FOUND),
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message: "Request not found.".into(),
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data: None,
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}
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}
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pub fn request_rejected() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::REQUEST_REJECTED),
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message: "Request has been rejected.".into(),
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data: None,
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}
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}
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pub fn request_rejected_limit() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::REQUEST_REJECTED_LIMIT),
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message: "Request has been rejected because of queue limit.".into(),
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data: None,
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}
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}
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pub fn account<T: fmt::Debug>(error: &str, details: T) -> Error {
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Error {
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code: ErrorCode::ServerError(codes::ACCOUNT_ERROR),
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message: error.into(),
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data: Some(Value::String(format!("{:?}", details))),
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}
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}
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pub fn compilation<T: fmt::Debug>(error: T) -> Error {
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Error {
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code: ErrorCode::ServerError(codes::COMPILATION_ERROR),
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message: "Error while compiling code.".into(),
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data: Some(Value::String(format!("{:?}", error))),
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}
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}
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pub fn internal<T: fmt::Debug>(error: &str, data: T) -> Error {
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Error {
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code: ErrorCode::InternalError,
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message: format!("Internal error occurred: {}", error),
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data: Some(Value::String(format!("{:?}", data))),
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}
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}
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pub fn invalid_params<T: fmt::Debug>(param: &str, details: T) -> Error {
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Error {
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code: ErrorCode::InvalidParams,
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message: format!("Couldn't parse parameters: {}", param),
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data: Some(Value::String(format!("{:?}", details))),
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}
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}
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pub fn execution<T: fmt::Debug>(data: T) -> Error {
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Error {
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code: ErrorCode::ServerError(codes::EXECUTION_ERROR),
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message: "Transaction execution error.".into(),
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data: Some(Value::String(format!("{:?}", data))),
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}
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}
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pub fn state_pruned() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::UNSUPPORTED_REQUEST),
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message: "This request is not supported because your node is running with state pruning. Run with --pruning=archive.".into(),
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data: None
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}
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}
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pub fn no_work() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::NO_WORK),
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message: "Still syncing.".into(),
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data: None
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}
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}
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pub fn no_new_work() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::NO_NEW_WORK),
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message: "Work has not changed.".into(),
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data: None
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}
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}
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pub fn no_author() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::NO_AUTHOR),
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message: "Author not configured. Run Parity with --author to configure.".into(),
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data: None
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}
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}
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pub fn not_enough_data() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::NOT_ENOUGH_DATA),
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message: "The node does not have enough data to compute the given statistic.".into(),
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data: None
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}
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}
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pub fn token(e: String) -> Error {
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Error {
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code: ErrorCode::ServerError(codes::UNKNOWN_ERROR),
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message: "There was an error when saving your authorization tokens.".into(),
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data: Some(Value::String(e)),
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}
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}
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pub fn signer_disabled() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::SIGNER_DISABLED),
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message: "Trusted Signer is disabled. This API is not available.".into(),
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data: None
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}
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}
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pub fn dapps_disabled() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::DAPPS_DISABLED),
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message: "Dapps Server is disabled. This API is not available.".into(),
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data: None
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}
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}
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pub fn network_disabled() -> Error {
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Error {
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code: ErrorCode::ServerError(codes::NETWORK_DISABLED),
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message: "Network is disabled or not yet up.".into(),
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data: None
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}
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}
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pub fn encryption_error<T: fmt::Debug>(error: T) -> Error {
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Error {
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code: ErrorCode::ServerError(codes::ENCRYPTION_ERROR),
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message: "Encryption error.".into(),
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data: Some(Value::String(format!("{:?}", error))),
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}
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}
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pub fn from_fetch_error<T: fmt::Debug>(error: T) -> Error {
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Error {
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code: ErrorCode::ServerError(codes::FETCH_ERROR),
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message: "Error while fetching content.".into(),
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data: Some(Value::String(format!("{:?}", error))),
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}
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}
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pub fn from_signing_error(error: AccountError) -> Error {
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Error {
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code: ErrorCode::ServerError(codes::ACCOUNT_LOCKED),
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message: "Your account is locked. Unlock the account via CLI, personal_unlockAccount or use Trusted Signer.".into(),
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data: Some(Value::String(format!("{:?}", error))),
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}
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}
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pub fn from_password_error(error: AccountError) -> Error {
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Error {
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code: ErrorCode::ServerError(codes::PASSWORD_INVALID),
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message: "Account password is invalid or account does not exist.".into(),
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data: Some(Value::String(format!("{:?}", error))),
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}
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}
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pub fn transaction_message(error: TransactionError) -> String {
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use ethcore::error::TransactionError::*;
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match error {
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AlreadyImported => "Transaction with the same hash was already imported.".into(),
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Old => "Transaction nonce is too low. Try incrementing the nonce.".into(),
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TooCheapToReplace => {
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"Transaction gas price is too low. There is another transaction with same nonce in the queue. Try increasing the gas price or incrementing the nonce.".into()
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},
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LimitReached => {
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"There are too many transactions in the queue. Your transaction was dropped due to limit. Try increasing the fee.".into()
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},
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InsufficientGas { minimal, got } => {
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format!("Transaction gas is too low. There is not enough gas to cover minimal cost of the transaction (minimal: {}, got: {}). Try increasing supplied gas.", minimal, got)
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},
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InsufficientGasPrice { minimal, got } => {
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format!("Transaction gas price is too low. It does not satisfy your node's minimal gas price (minimal: {}, got: {}). Try increasing the gas price.", minimal, got)
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},
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InsufficientBalance { balance, cost } => {
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format!("Insufficient funds. The account you tried to send transaction from does not have enough funds. Required {} and got: {}.", cost, balance)
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},
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GasLimitExceeded { limit, got } => {
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format!("Transaction cost exceeds current gas limit. Limit: {}, got: {}. Try decreasing supplied gas.", limit, got)
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},
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InvalidNetworkId => "Invalid network id.".into(),
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InvalidGasLimit(_) => "Supplied gas is beyond limit.".into(),
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SenderBanned => "Sender is banned in local queue.".into(),
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RecipientBanned => "Recipient is banned in local queue.".into(),
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CodeBanned => "Code is banned in local queue.".into(),
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}
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}
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pub fn from_transaction_error(error: EthcoreError) -> Error {
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if let EthcoreError::Transaction(e) = error {
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Error {
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code: ErrorCode::ServerError(codes::TRANSACTION_ERROR),
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message: transaction_message(e),
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data: None,
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}
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} else {
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Error {
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code: ErrorCode::ServerError(codes::UNKNOWN_ERROR),
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message: "Unknown error when sending transaction.".into(),
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data: Some(Value::String(format!("{:?}", error))),
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}
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}
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}
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pub fn from_rlp_error(error: DecoderError) -> Error {
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Error {
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code: ErrorCode::InvalidParams,
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message: "Invalid RLP.".into(),
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data: Some(Value::String(format!("{:?}", error))),
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}
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}
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pub fn from_call_error(error: CallError) -> Error {
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match error {
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CallError::StatePruned => state_pruned(),
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CallError::Execution(e) => execution(e),
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CallError::TransactionNotFound => internal("{}, this should not be the case with eth_call, most likely a bug.", CallError::TransactionNotFound),
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}
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}
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