plugeth/params/forks/forks.go
lightclient 98eaa57e6f
eth/catalyst: add timestamp checks to fcu and new payload and improve param checks (#28230)
This PR introduces a few changes with respect to payload verification in fcu and new payload requests:

* First of all, it undoes the `verifyPayloadAttributes(..)` simplification I attempted in #27872. 
* Adds timestamp validation to fcu payload attributes [as required](https://github.com/ethereum/execution-apis/blob/main/src/engine/cancun.md#specification-1) (section 2) by the Engine API spec. 
* For the new payload methods, I also update the verification of the executable data. For `newPayloadV2`, it does not currently ensure that cancun values are `nil`. Which could make it possible to submit cancun payloads through it. 
* On `newPayloadV3` the same types of checks are added. All shanghai and cancun related fields in the executable data must be non-nil, with the addition that the timestamp is _only_ with cancun.
* Finally it updates a newly failing catalyst test to call the correct fcu and new payload methods depending on the fork.
2024-01-23 16:02:08 +01:00

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// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package forks
// Fork is a numerical identifier of specific network upgrades (forks).
type Fork int
const (
Frontier = iota
FrontierThawing
Homestead
DAO
TangerineWhistle
SpuriousDragon
Byzantium
Constantinople
Petersburg
Istanbul
MuirGlacier
Berlin
London
ArrowGlacier
GrayGlacier
Paris
Shanghai
Cancun
Prague
)