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rpc: extend the list of predefined RPC errors

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Add a few the most common ones.
This commit is contained in:
Anna Shaleva 2022-06-10 16:26:33 +03:00
parent ef9eca7cce
commit 6434404081
2 changed files with 16 additions and 6 deletions
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10
pkg/rpc/response/errors.go
View file

@ -34,6 +34,16 @@ const (
var (
// ErrInvalidParams represents a generic 'invalid parameters' error.
ErrInvalidParams = NewInvalidParamsError("invalid params")
// ErrUnknownBlock is returned if requested block is not found.
ErrUnknownBlock = NewError(RPCErrorCode, "Unknown block", "")
// ErrUnknownTransaction is returned if requested transaction is not found.
ErrUnknownTransaction = NewError(RPCErrorCode, "Unknown transaction", "")
// ErrUnknownHeader is returned when requested header is not found.
ErrUnknownHeader = NewError(RPCErrorCode, "Unknown header", "")
// ErrUnknownScriptContainer is returned when requested block or transaction is not found.
ErrUnknownScriptContainer = NewError(RPCErrorCode, "Unknown script container", "")
// ErrUnknownStateRoot is returned when requested state root is not found.
ErrUnknownStateRoot = NewError(RPCErrorCode, "Unknown state root", "")
// ErrAlreadyExists represents SubmitError with code -501.
ErrAlreadyExists = NewSubmitError(-501, "Block or transaction already exists and cannot be sent repeatedly.")
// ErrOutOfMemory represents SubmitError with code -502.

12
pkg/rpc/server/server.go
View file

@ -671,7 +671,7 @@ func (s *Server) getApplicationLog(reqParams request.Params) (interface{}, *resp
appExecResults, err := s.chain.GetAppExecResults(hash, trigger.All)
if err != nil {
return nil, response.NewRPCError("Unknown transaction or block", fmt.Sprintf("failed to locate application log: %s", err))
return nil, response.WrapErrorWithData(response.ErrUnknownScriptContainer, fmt.Sprintf("failed to locate application log: %s", err))
}
return result.NewApplicationLog(hash, appExecResults, trig), nil
}
@ -1379,7 +1379,7 @@ func (s *Server) getStateRoot(ps request.Params) (interface{}, *response.Error)
}
}
if err != nil {
return nil, response.NewRPCError("Unknown state root", "")
return nil, response.ErrUnknownStateRoot
}
return rt, nil
}
@ -1413,7 +1413,7 @@ func (s *Server) getrawtransaction(reqParams request.Params) (interface{}, *resp
}
tx, height, err := s.chain.GetTransaction(txHash)
if err != nil {
return nil, response.NewRPCError("Unknown transaction", "")
return nil, response.ErrUnknownTransaction
}
if v, _ := reqParams.Value(1).GetBoolean(); v {
if height == math.MaxUint32 {
@ -1444,7 +1444,7 @@ func (s *Server) getTransactionHeight(ps request.Params) (interface{}, *response
_, height, err := s.chain.GetTransaction(h)
if err != nil || height == math.MaxUint32 {
return nil, response.NewRPCError("Unknown transaction", "")
return nil, response.ErrUnknownTransaction
}
return height, nil
@ -1478,7 +1478,7 @@ func (s *Server) getBlockSysFee(reqParams request.Params) (interface{}, *respons
headerHash := s.chain.GetHeaderHash(num)
block, errBlock := s.chain.GetBlock(headerHash)
if errBlock != nil {
return 0, response.NewRPCError("Unknown block", "")
return 0, response.ErrUnknownBlock
}
var blockSysFee int64
@ -1500,7 +1500,7 @@ func (s *Server) getBlockHeader(reqParams request.Params) (interface{}, *respons
verbose, _ := reqParams.Value(1).GetBoolean()
h, err := s.chain.GetHeader(hash)
if err != nil {
return nil, response.NewRPCError("Unknown header", "")
return nil, response.ErrUnknownHeader
}
if verbose {