Shanghai/Agra HF

[0xsharma]

Description

Shanghai HF on Ethereum was done using timestamp rather than blockNumber. On POS, we would continue with blockNumber based hardforks.

In this PR, we convert the timestamp based HF to blockNumber based. Also, certain beacon chain related changes specefic to withdrawals( not applicable to Polygon-POS ) will also be removed.

[marcello33]

Thanks @0xsharma
As discussed, once PR is ready, please make sure to delete the TODO marcello double check comments that I left there at time of upstream merge to make such changes related to the Shanghai HF.

[codecov]

Codecov Report

Attention: 1113 lines in your changes are missing coverage. Please review.

Files	Coverage Δ
consensus/bor/heimdall/metrics.go	12.50% <ø> (+3.40%)	⬆️
core/state_transition.go	88.77% <ø> (-0.57%)	⬇️
core/txpool/list.go	93.95% <100.00%> (+1.36%)	⬆️
core/types/block.go	29.30% <100.00%> (+6.95%)	⬆️
core/types/receipt.go	57.35% <ø> (+1.63%)	⬆️
core/vm/evm.go	32.22% <100.00%> (+2.57%)	⬆️
core/vm/interpreter.go	29.08% <ø> (+2.67%)	⬆️
eth/catalyst/api.go	0.00% <ø> (-64.03%)	⬇️
eth/downloader/whitelist/checkpoint.go	100.00% <100.00%> (ø)
internal/cli/server/config.go	67.94% <100.00%> (-1.92%)	⬇️
... and 65 more

... and 573 files with indirect coverage changes

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