BaseFee is required in AuRa headers when
[EIP-1559](https://eips.ethereum.org/EIPS/eip-1559) is activated.
Also:
- Basic AuRa header verification
- Extract some common RLP methods
- Tiny log clean-up
* Test GnosisGenesisStateRoot
* Delete obsolete allocations
* SysCallContract shouldn't increase nonce of SystemAddress
* Max gas limit in SysCallContract
* Restore error swallowing for Bor
* Consensus tests update 11
* Add GrayGlacier fork
* Wire currentRandom from tests into PREVRANDAO
* Serenity engine
* Support insertion of PoS blocks in MockSentry
* Introduce marshallTypedTransactionsAsRlpStrings arg into (*Block) RawBody()
* Revert "Introduce marshallTypedTransactionsAsRlpStrings arg into (*Block) RawBody()"
This reverts commit 903fca572be03c7de33318ce177a03a4be34927b.
* Post-merge fix
* Don't wait for Beacon Chain in tests
* Skip powToPosBlockRejection transition test
* ForkChoice in insertPoSBlocks
* Add withPosDownloader arg to MockWithEverything in order to fix TestPoSDownloader
