88 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2022 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package beacon
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import (
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	"github.com/ethereum/go-ethereum/common"
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	"github.com/ethereum/go-ethereum/rpc"
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)
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// EngineAPIError is a standardized error message between consensus and execution
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// clients, also containing any custom error message Geth might include.
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type EngineAPIError struct {
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	code int
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	msg  string
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	err  error
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}
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func (e *EngineAPIError) ErrorCode() int { return e.code }
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func (e *EngineAPIError) Error() string  { return e.msg }
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func (e *EngineAPIError) ErrorData() interface{} {
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	if e.err == nil {
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		return nil
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	}
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	return struct {
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		Error string `json:"err"`
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	}{e.err.Error()}
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}
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// With returns a copy of the error with a new embedded custom data field.
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func (e *EngineAPIError) With(err error) *EngineAPIError {
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	return &EngineAPIError{
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		code: e.code,
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		msg:  e.msg,
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		err:  err,
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	}
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}
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var (
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	_ rpc.Error     = new(EngineAPIError)
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	_ rpc.DataError = new(EngineAPIError)
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)
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var (
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	// VALID is returned by the engine API in the following calls:
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	//   - newPayloadV1:       if the payload was already known or was just validated and executed
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	//   - forkchoiceUpdateV1: if the chain accepted the reorg (might ignore if it's stale)
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	VALID = "VALID"
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	// INVALID is returned by the engine API in the following calls:
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	//   - newPayloadV1:       if the payload failed to execute on top of the local chain
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	//   - forkchoiceUpdateV1: if the new head is unknown, pre-merge, or reorg to it fails
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	INVALID = "INVALID"
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	// SYNCING is returned by the engine API in the following calls:
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	//   - newPayloadV1:       if the payload was accepted on top of an active sync
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	//   - forkchoiceUpdateV1: if the new head was seen before, but not part of the chain
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	SYNCING = "SYNCING"
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	// ACCEPTED is returned by the engine API in the following calls:
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	//   - newPayloadV1: if the payload was accepted, but not processed (side chain)
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	ACCEPTED = "ACCEPTED"
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	INVALIDBLOCKHASH = "INVALID_BLOCK_HASH"
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	GenericServerError       = &EngineAPIError{code: -32000, msg: "Server error"}
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	UnknownPayload           = &EngineAPIError{code: -38001, msg: "Unknown payload"}
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	InvalidForkChoiceState   = &EngineAPIError{code: -38002, msg: "Invalid forkchoice state"}
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	InvalidPayloadAttributes = &EngineAPIError{code: -38003, msg: "Invalid payload attributes"}
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	STATUS_INVALID         = ForkChoiceResponse{PayloadStatus: PayloadStatusV1{Status: INVALID}, PayloadID: nil}
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	STATUS_SYNCING         = ForkChoiceResponse{PayloadStatus: PayloadStatusV1{Status: SYNCING}, PayloadID: nil}
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	INVALID_TERMINAL_BLOCK = PayloadStatusV1{Status: INVALID, LatestValidHash: &common.Hash{}}
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)
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