fix(state-transition): Withdrawals backward compatibility with Bartio

[abi87]

This PR:

• Makes changes introduced in https://github.com/berachain/beacon-kit/pull/2110 backward compatible
• Hardens Equals methods to handle nil pointer cases (uncovered crash while testing)

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 31.39535% with 59 lines in your changes missing coverage. Please review.

Project coverage is 26.23%. Comparing base (9cbce04) to head (81d6082). Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ate-transition/pkg/core/state_processor_payload.go	36.36%	14 Missing :warning:
mod/beacon/blockchain/execution_engine.go	0.00%	12 Missing :warning:
mod/state-transition/pkg/core/state/statedb.go	14.28%	11 Missing and 1 partial :warning:
mod/consensus-types/pkg/types/header.go	63.63%	4 Missing :warning:
...ine-primitives/pkg/engine-primitives/withdrawal.go	63.63%	4 Missing :warning:
mod/beacon/validator/block_builder.go	0.00%	3 Missing :warning:
mod/consensus/pkg/types/common.go	0.00%	2 Missing :warning:
mod/primitives/pkg/transition/context.go	0.00%	2 Missing :warning:
beacond/cmd/defaults.go	0.00%	1 Missing :warning:
mod/beacon/blockchain/process.go	0.00%	1 Missing :warning:
... and 4 more

Additional details and impacted files

[](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain) ```diff @@ Coverage Diff @@ ## main #2148 +/- ## ========================================== - Coverage 26.24% 26.23% -0.02% ========================================== Files 360 360 Lines 16241 16302 +61 Branches 12 12 ========================================== + Hits 4263 4277 +14 - Misses 11709 11755 +46 - Partials 269 270 +1 ``` | [Files with missing lines](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain) | Coverage Δ | | |---|---|---| | [mod/state-transition/pkg/core/state\_processor.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=mod%2Fstate-transition%2Fpkg%2Fcore%2Fstate_processor.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-bW9kL3N0YXRlLXRyYW5zaXRpb24vcGtnL2NvcmUvc3RhdGVfcHJvY2Vzc29yLmdv) | `26.69% <100.00%> (+0.31%)` | :arrow_up: | | [...ate-transition/pkg/core/state\_processor\_staking.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=mod%2Fstate-transition%2Fpkg%2Fcore%2Fstate_processor_staking.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-bW9kL3N0YXRlLXRyYW5zaXRpb24vcGtnL2NvcmUvc3RhdGVfcHJvY2Vzc29yX3N0YWtpbmcuZ28=) | `54.78% <100.00%> (ø)` | | | [beacond/cmd/defaults.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=beacond%2Fcmd%2Fdefaults.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-YmVhY29uZC9jbWQvZGVmYXVsdHMuZ28=) | `0.00% <0.00%> (ø)` | | | [mod/beacon/blockchain/process.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=mod%2Fbeacon%2Fblockchain%2Fprocess.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-bW9kL2JlYWNvbi9ibG9ja2NoYWluL3Byb2Nlc3MuZ28=) | `0.00% <0.00%> (ø)` | | | [mod/beacon/blockchain/receive.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=mod%2Fbeacon%2Fblockchain%2Freceive.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-bW9kL2JlYWNvbi9ibG9ja2NoYWluL3JlY2VpdmUuZ28=) | `0.00% <0.00%> (ø)` | | | [mod/consensus-types/pkg/types/payload.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=mod%2Fconsensus-types%2Fpkg%2Ftypes%2Fpayload.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-bW9kL2NvbnNlbnN1cy10eXBlcy9wa2cvdHlwZXMvcGF5bG9hZC5nbw==) | `92.15% <0.00%> (-0.02%)` | :arrow_down: | | [mod/node-core/pkg/components/state\_processor.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=mod%2Fnode-core%2Fpkg%2Fcomponents%2Fstate_processor.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-bW9kL25vZGUtY29yZS9wa2cvY29tcG9uZW50cy9zdGF0ZV9wcm9jZXNzb3IuZ28=) | `0.00% <0.00%> (ø)` | | | [...ate-transition/pkg/core/state\_processor\_genesis.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=mod%2Fstate-transition%2Fpkg%2Fcore%2Fstate_processor_genesis.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-bW9kL3N0YXRlLXRyYW5zaXRpb24vcGtnL2NvcmUvc3RhdGVfcHJvY2Vzc29yX2dlbmVzaXMuZ28=) | `50.00% <50.00%> (ø)` | | | [mod/consensus/pkg/types/common.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=mod%2Fconsensus%2Fpkg%2Ftypes%2Fcommon.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-bW9kL2NvbnNlbnN1cy9wa2cvdHlwZXMvY29tbW9uLmdv) | `0.00% <0.00%> (ø)` | | | [mod/primitives/pkg/transition/context.go](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree&filepath=mod%2Fprimitives%2Fpkg%2Ftransition%2Fcontext.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain#diff-bW9kL3ByaW1pdGl2ZXMvcGtnL3RyYW5zaXRpb24vY29udGV4dC5nbw==) | `0.00% <0.00%> (ø)` | | | ... and [6 more](https://app.codecov.io/gh/berachain/beacon-kit/pull/2148?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain) | |