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Merge pull request #24915 from karalabe/catalyst-custom-errors

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core, eth, les, rpc: polish catalyst errors, add context
This commit is contained in:
Péter Szilágyi 2022-05-20 12:50:56 +03:00 committed by GitHub
commit 7aced8114f
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4 changed files with 47 additions and 26 deletions
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41
core/beacon/errors.go
View File

@ -21,6 +21,39 @@ import (
"github.com/ethereum/go-ethereum/rpc"
)
// EngineAPIError is a standardized error message between consensus and execution
// clients, also containing any custom error message Geth might include.
type EngineAPIError struct {
code int
msg string
err error
}
func (e *EngineAPIError) ErrorCode() int { return e.code }
func (e *EngineAPIError) Error() string { return e.msg }
func (e *EngineAPIError) ErrorData() interface{} {
if e.err == nil {
return nil
}
return struct {
Error string `json:"err"`
}{e.err.Error()}
}
// With returns a copy of the error with a new embedded custom data field.
func (e *EngineAPIError) With(err error) *EngineAPIError {
return &EngineAPIError{
code: e.code,
msg: e.msg,
err: err,
}
}
var (
_ rpc.Error = new(EngineAPIError)
_ rpc.DataError = new(EngineAPIError)
)
var (
// VALID is returned by the engine API in the following calls:
// - newPayloadV1: if the payload was already known or was just validated and executed
@ -43,10 +76,10 @@ var (
INVALIDBLOCKHASH = "INVALID_BLOCK_HASH"
GenericServerError = rpc.CustomError{Code: -32000, ValidationError: "Server error"}
UnknownPayload = rpc.CustomError{Code: -38001, ValidationError: "Unknown payload"}
InvalidForkChoiceState = rpc.CustomError{Code: -38002, ValidationError: "Invalid forkchoice state"}
InvalidPayloadAttributes = rpc.CustomError{Code: -38003, ValidationError: "Invalid payload attributes"}
GenericServerError = &EngineAPIError{code: -32000, msg: "Server error"}
UnknownPayload = &EngineAPIError{code: -38001, msg: "Unknown payload"}
InvalidForkChoiceState = &EngineAPIError{code: -38002, msg: "Invalid forkchoice state"}
InvalidPayloadAttributes = &EngineAPIError{code: -38003, msg: "Invalid payload attributes"}
STATUS_INVALID = ForkChoiceResponse{PayloadStatus: PayloadStatusV1{Status: INVALID}, PayloadID: nil}
STATUS_SYNCING = ForkChoiceResponse{PayloadStatus: PayloadStatusV1{Status: SYNCING}, PayloadID: nil}

16
eth/catalyst/api.go
View File

@ -166,10 +166,10 @@ func (api *ConsensusAPI) ForkchoiceUpdatedV1(update beacon.ForkchoiceStateV1, pa
finalBlock := api.eth.BlockChain().GetBlockByHash(update.FinalizedBlockHash)
if finalBlock == nil {
log.Warn("Final block not available in database", "hash", update.FinalizedBlockHash)
return beacon.STATUS_INVALID, &beacon.InvalidForkChoiceState
return beacon.STATUS_INVALID, beacon.InvalidForkChoiceState.With(errors.New("final block not available in database"))
} else if rawdb.ReadCanonicalHash(api.eth.ChainDb(), finalBlock.NumberU64()) != update.FinalizedBlockHash {
log.Warn("Final block not in canonical chain", "number", block.NumberU64(), "hash", update.HeadBlockHash)
return beacon.STATUS_INVALID, &beacon.InvalidForkChoiceState
return beacon.STATUS_INVALID, beacon.InvalidForkChoiceState.With(errors.New("final block not in canonical chain"))
}
// Set the finalized block
api.eth.BlockChain().SetFinalized(finalBlock)
@ -179,21 +179,19 @@ func (api *ConsensusAPI) ForkchoiceUpdatedV1(update beacon.ForkchoiceStateV1, pa
safeBlock := api.eth.BlockChain().GetBlockByHash(update.SafeBlockHash)
if safeBlock == nil {
log.Warn("Safe block not available in database")
return beacon.STATUS_INVALID, &beacon.InvalidForkChoiceState
return beacon.STATUS_INVALID, beacon.InvalidForkChoiceState.With(errors.New("safe block not available in database"))
}
if rawdb.ReadCanonicalHash(api.eth.ChainDb(), safeBlock.NumberU64()) != update.SafeBlockHash {
log.Warn("Safe block not in canonical chain")
return beacon.STATUS_INVALID, &beacon.InvalidForkChoiceState
return beacon.STATUS_INVALID, beacon.InvalidForkChoiceState.With(errors.New("safe block not in canonical chain"))
}
}
valid := func(id *beacon.PayloadID) beacon.ForkChoiceResponse {
return beacon.ForkChoiceResponse{
PayloadStatus: beacon.PayloadStatusV1{Status: beacon.VALID, LatestValidHash: &update.HeadBlockHash},
PayloadID: id,
}
}
// If payload generation was requested, create a new block to be potentially
// sealed by the beacon client. The payload will be requested later, and we
// might replace it arbitrarily many times in between.
@ -202,14 +200,14 @@ func (api *ConsensusAPI) ForkchoiceUpdatedV1(update beacon.ForkchoiceStateV1, pa
empty, err := api.eth.Miner().GetSealingBlockSync(update.HeadBlockHash, payloadAttributes.Timestamp, payloadAttributes.SuggestedFeeRecipient, payloadAttributes.Random, true)
if err != nil {
log.Error("Failed to create empty sealing payload", "err", err)
return valid(nil), &beacon.InvalidPayloadAttributes
return valid(nil), beacon.InvalidPayloadAttributes.With(err)
}
// Send a request to generate a full block in the background.
// The result can be obtained via the returned channel.
resCh, err := api.eth.Miner().GetSealingBlockAsync(update.HeadBlockHash, payloadAttributes.Timestamp, payloadAttributes.SuggestedFeeRecipient, payloadAttributes.Random, false)
if err != nil {
log.Error("Failed to create async sealing payload", "err", err)
return valid(nil), &beacon.InvalidPayloadAttributes
return valid(nil), beacon.InvalidPayloadAttributes.With(err)
}
id := computePayloadId(update.HeadBlockHash, payloadAttributes)
api.localBlocks.put(id, &payload{empty: empty, result: resCh})
@ -248,7 +246,7 @@ func (api *ConsensusAPI) GetPayloadV1(payloadID beacon.PayloadID) (*beacon.Execu
log.Trace("Engine API request received", "method", "GetPayload", "id", payloadID)
data := api.localBlocks.get(payloadID)
if data == nil {
return nil, &beacon.UnknownPayload
return nil, beacon.UnknownPayload
}
return data, nil
}

6
les/catalyst/api.go
View File

@ -98,7 +98,7 @@ func (api *ConsensusAPI) ForkchoiceUpdatedV1(heads beacon.ForkchoiceStateV1, pay
// GetPayloadV1 returns a cached payload by id. It's not supported in les mode.
func (api *ConsensusAPI) GetPayloadV1(payloadID beacon.PayloadID) (*beacon.ExecutableDataV1, error) {
return nil, &beacon.GenericServerError
return nil, beacon.GenericServerError.With(errors.New("not supported in light client mode"))
}
// ExecutePayloadV1 creates an Eth1 block, inserts it in the chain, and returns the status of the chain.
@ -157,7 +157,7 @@ func (api *ConsensusAPI) checkTerminalTotalDifficulty(head common.Hash) error {
// make sure the parent has enough terminal total difficulty
header := api.les.BlockChain().GetHeaderByHash(head)
if header == nil {
return &beacon.GenericServerError
return errors.New("unknown header")
}
td := api.les.BlockChain().GetTd(header.Hash(), header.Number.Uint64())
if td != nil && td.Cmp(api.les.BlockChain().Config().TerminalTotalDifficulty) < 0 {
@ -176,7 +176,7 @@ func (api *ConsensusAPI) setCanonical(newHead common.Hash) error {
}
newHeadHeader := api.les.BlockChain().GetHeaderByHash(newHead)
if newHeadHeader == nil {
return &beacon.GenericServerError
return errors.New("unknown header")
}
if err := api.les.BlockChain().SetCanonical(newHeadHeader); err != nil {
return err

10
rpc/errors.go
View File

@ -54,7 +54,6 @@ var (
_ Error = new(invalidRequestError)
_ Error = new(invalidMessageError)
_ Error = new(invalidParamsError)
_ Error = new(CustomError)
)
const defaultErrorCode = -32000
@ -102,12 +101,3 @@ type invalidParamsError struct{ message string }
func (e *invalidParamsError) ErrorCode() int { return -32602 }
func (e *invalidParamsError) Error() string { return e.message }
type CustomError struct {
Code int
ValidationError string
}
func (e *CustomError) ErrorCode() int { return e.Code }
func (e *CustomError) Error() string { return e.ValidationError }