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Extract specific transaction pool errors. (#1930)

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* Extract specific transaction pool errors.

* Convert error codes to constants.
This commit is contained in:
Tomasz Drwięga
2019-03-07 10:53:53 +01:00
committed by Bastian Köcher
parent 7927054f86
commit 9ad06d57fc
1 changed files with 58 additions and 3 deletions
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substrate/core/rpc/src/author/error.rs
+58 -3
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@@ -47,22 +47,77 @@ error_chain! {
}
}
const ERROR: i64 = 1000;
/// Base code for all authorship errors.
const BASE_ERROR: i64 = 1000;
/// Extrinsic has an invalid format.
const BAD_FORMAT: i64 = BASE_ERROR + 1;
/// Error during transaction verification in runtime.
const VERIFICATION_ERROR: i64 = BASE_ERROR + 2;
/// Pool rejected the transaction as invalid
const POOL_INVALID_TX: i64 = BASE_ERROR + 10;
/// Cannot determine transaction validity.
const POOL_UNKNOWN_VALIDITY: i64 = POOL_INVALID_TX + 1;
/// The transaction is temporarily banned.
const POOL_TEMPORARILY_BANNED: i64 = POOL_INVALID_TX + 2;
/// The transaction is already in the pool
const POOL_ALREADY_IMPORTED: i64 = POOL_INVALID_TX + 3;
/// Transaction has too low priority to replace existing one in the pool.
const POOL_TOO_LOW_PRIORITY: i64 = POOL_INVALID_TX + 4;
/// Including this transaction would cause a dependency cycle.
const POOL_CYCLE_DETECTED: i64 = POOL_INVALID_TX + 5;
/// The transaction was not included to the pool because of the limits.
const POOL_IMMEDIATELY_DROPPED: i64 = POOL_INVALID_TX + 6;
impl From<Error> for rpc::Error {
fn from(e: Error) -> Self {
match e {
Error(ErrorKind::Unimplemented, _) => errors::unimplemented(),
Error(ErrorKind::BadFormat, _) => rpc::Error {
code: rpc::ErrorCode::ServerError(ERROR + 1),
code: rpc::ErrorCode::ServerError(BAD_FORMAT),
message: "Extrinsic has invalid format.".into(),
data: None,
},
Error(ErrorKind::Verification(e), _) => rpc::Error {
code: rpc::ErrorCode::ServerError(ERROR + 2),
code: rpc::ErrorCode::ServerError(VERIFICATION_ERROR),
message: e.description().into(),
data: Some(format!("{:?}", e).into()),
},
Error(ErrorKind::Pool(txpool::error::ErrorKind::InvalidTransaction(code)), _) => rpc::Error {
code: rpc::ErrorCode::ServerError(POOL_INVALID_TX),
message: "Invalid Transaction".into(),
data: Some(code.into()),
},
Error(ErrorKind::Pool(txpool::error::ErrorKind::UnknownTransactionValidity(code)), _) => rpc::Error {
code: rpc::ErrorCode::ServerError(POOL_UNKNOWN_VALIDITY),
message: "Unknown Transaction Validity".into(),
data: Some(code.into()),
},
Error(ErrorKind::Pool(txpool::error::ErrorKind::TemporarilyBanned), _) => rpc::Error {
code: rpc::ErrorCode::ServerError(POOL_TEMPORARILY_BANNED),
message: "Transaction is temporarily banned".into(),
data: None,
},
Error(ErrorKind::Pool(txpool::error::ErrorKind::AlreadyImported(hash)), _) => rpc::Error {
code: rpc::ErrorCode::ServerError(POOL_ALREADY_IMPORTED),
message: "Transaction Already Imported".into(),
data: Some(format!("{:?}", hash).into()),
},
Error(ErrorKind::Pool(txpool::error::ErrorKind::TooLowPriority(old, new)), _) => rpc::Error {
code: rpc::ErrorCode::ServerError(POOL_TOO_LOW_PRIORITY),
message: format!("Priority is too low: ({} vs {})", old, new),
data: Some("The transaction has too low priority to replace another transaction already in the pool.".into()),
},
Error(ErrorKind::Pool(txpool::error::ErrorKind::CycleDetected), _) => rpc::Error {
code: rpc::ErrorCode::ServerError(POOL_CYCLE_DETECTED),
message: "Cycle Detected".into(),
data: None,
},
Error(ErrorKind::Pool(txpool::error::ErrorKind::ImmediatelyDropped), _) => rpc::Error {
code: rpc::ErrorCode::ServerError(POOL_IMMEDIATELY_DROPPED),
message: "Immediately Dropped" .into(),
data: Some("The transaction couldn't enter the pool because of the limit".into()),
},
e => errors::internal(e),
}
}