Canyon: Blocks V2 P2P & Testing

[danyalprout]

Description
P2P changes for this issue.

• Add blocksv2 p2p layer
  • New blocksV2 topic for post Shanghai/Canyon blocks
  • SSZ encoding changes to support v2 blocks
• Canyon testing
  • Flag to enable / OP_E2E_USE_CANYON=true to enable the tests to use Canyon
  • Op Geth testing (withdrawals + push0 opcode)
• Set withdrawals for new payloads to []

TODO

• Add an e2e transition test Regolith to Canyon
• Add a build-server check where OP_E2E_USE_CANYON=true

[trianglesphere]

We also need to add a check to

optimism/op-node/rollup/derive/engine_consolidate.go

Line 17 in 56c7254

func AttributesMatchBlock(attrs *eth.PayloadAttributes, parentHash common.Hash, block *eth.ExecutionPayload, l log.Logger) error {

to ensure that we verify that the withdrawals from gossip are the same as we created locally (i.e. empty).

We could even completely disable withdrawals and require them to be empty (but not-nil) for the comment b/c we don't have a need for them. It kinda looks like deposits, but our deposits can do much more than withdrawals.

[trianglesphere]

I've reviewed everything. There's a couple things to look into, but broadly looks good.

[trianglesphere]

TYVM for implementing this