Solidity 0.8.0 breaks the current use of `payable` in these test
contracts, resulting in errors like
```
Error: Type address is not implicitly convertible to expected type address payable.
--> selfDestructor.sol:10:9:
|
10 | address payable nil = address(0);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
```
Related to #6680
* Where I am at
* Refactoring of transaction types
* More refactoring
* Use Homested signer in rpc daemon
* Unified signer
* Continue unified signer
* A bit more
* Fixes and down the rabbit hole...
* More tx pool fixes
* More refactoring fixes
* More fixes'
* more fixes
* More fixes
* More compile fixes
* More RLP hand-writing
* Finish RLP encoding/decoding of transactions
* Fixes to header encoding, start on protocol packets
* Transaction decoding
* Use DecodeTransaction function
* Decoding BlockBodyPacket
* Encode and decode for pool txs
* Start fixing tests
* Introduce SigningHash
* Fixes to SignHash
* RLP encoding fixes
* Fixes for encoding/decoding
* More test fixes
* Fix more tests
* More test fixes
* More test fixes
* Fix core tests
* More fixes for signer
* Fix for tx
* Fixes to string encoding/size
* Fix eip2930 test
* Fix rest of ./tests
* More fixes
* Fix compilation
* More test fixes
* More test fixes
* Test fixes
* More fixes
* Reuse EncodingSize in EncodeRLP for accessList
* Rearrange things in dynamic fee tx
* Add MarshalBinary
* More fixes
* Make V,R,S non-pointers
* More NPE fixes
* More fixes
* Receipt fixes
* Fix core/types
* Fix ./eth
* More compile fixes for tests
* More test fixes
* More test fixes
* Try to see lint errors better
* Try to see lint errors better
* Fix lint
* Debugging eip1559 test
* Fix TestEIP1559Transition test
* Fix NewBlockPacket encoding/decoding
* Fix calculation of TxHash
* Fix perf problem with senders
* Update aleut config values
* Try adding static peers
* Add staticpeers to defaul flags
* Change aleut networkID
* Fix test
Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro.local>
Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
