126 lines
3.2 KiB
Go
126 lines
3.2 KiB
Go
// Copyright (c) 2020 The Decred developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package webapi
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import "net/http"
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// apiError is a kind of error. It has full support for errors.Is and
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// errors.As.
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type apiError int
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const (
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errBadRequest apiError = iota
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errInternalError
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errVspClosed
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errFeeAlreadyReceived
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errInvalidFeeTx
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errFeeTooSmall
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errUnknownTicket
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errTicketCannotVote
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errFeeExpired
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errInvalidVoteChoices
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errBadSignature
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errInvalidPrivKey
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errFeeNotReceived
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errInvalidTicket
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errCannotBroadcastTicket
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errCannotBroadcastFee
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errCannotBroadcastFeeUnknownOutputs
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errInvalidTimestamp
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)
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// httpStatus maps application error codes to HTTP status codes.
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func (e apiError) httpStatus() int {
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switch e {
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case errBadRequest:
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return http.StatusBadRequest
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case errInternalError:
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return http.StatusInternalServerError
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case errVspClosed:
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return http.StatusBadRequest
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case errFeeAlreadyReceived:
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return http.StatusBadRequest
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case errInvalidFeeTx:
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return http.StatusBadRequest
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case errFeeTooSmall:
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return http.StatusBadRequest
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case errUnknownTicket:
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return http.StatusBadRequest
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case errTicketCannotVote:
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return http.StatusBadRequest
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case errFeeExpired:
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return http.StatusBadRequest
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case errInvalidVoteChoices:
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return http.StatusBadRequest
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case errBadSignature:
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return http.StatusBadRequest
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case errInvalidPrivKey:
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return http.StatusBadRequest
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case errFeeNotReceived:
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return http.StatusBadRequest
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case errInvalidTicket:
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return http.StatusBadRequest
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case errCannotBroadcastTicket:
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return http.StatusInternalServerError
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case errCannotBroadcastFee:
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return http.StatusInternalServerError
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case errCannotBroadcastFeeUnknownOutputs:
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return http.StatusPreconditionRequired
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case errInvalidTimestamp:
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return http.StatusBadRequest
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default:
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return http.StatusInternalServerError
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}
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}
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// String returns a descriptive error string for a given error code.
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func (e apiError) String() string {
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switch e {
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case errBadRequest:
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return "bad request"
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case errInternalError:
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return "internal error"
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case errVspClosed:
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return "vsp is closed"
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case errFeeAlreadyReceived:
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return "fee tx already received for ticket"
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case errInvalidFeeTx:
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return "invalid fee tx"
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case errFeeTooSmall:
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return "fee too small"
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case errUnknownTicket:
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return "unknown ticket"
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case errTicketCannotVote:
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return "ticket not eligible to vote"
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case errFeeExpired:
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return "fee has expired"
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case errInvalidVoteChoices:
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return "invalid vote choices"
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case errBadSignature:
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return "bad request signature"
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case errInvalidPrivKey:
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return "invalid private key"
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case errFeeNotReceived:
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return "no fee tx received for ticket"
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case errInvalidTicket:
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return "not a valid ticket tx"
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case errCannotBroadcastTicket:
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return "ticket transaction could not be broadcast"
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case errCannotBroadcastFee:
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return "fee transaction could not be broadcast"
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case errCannotBroadcastFeeUnknownOutputs:
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return "fee transaction could not be broadcast due to unknown outputs"
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case errInvalidTimestamp:
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return "old or reused timestamp"
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default:
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return "unknown error"
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}
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}
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// Error satisfies the error interface and returns a human-readable error string.
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func (e apiError) Error() string {
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return e.String()
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}
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