Problem: ContractApproval and ContractTransfer do not implement Serialize and Deserialize (fix #908)

[damoncro]

👮🏻👮🏻👮🏻 !!!! REFERENCE THE PROBLEM YOUR ARE SOLVING IN THE PR TITLE AND DESCRIBE YOUR SOLUTION HERE !!!! DO NOT FORGET !!!! 👮🏻👮🏻👮🏻

PR Checklist:

• [ ] Have you read the CONTRIBUTING.md?
• [ ] Does your PR follow the C4 patch requirements?
• [ ] Have you rebased your work on top of the latest main?
• [ ] Have you checked your code compiles? (cargo build)
• [ ] Have you included tests for any non-trivial functionality?
• [ ] Have you checked your code passes the unit tests? (cargo test)
• [ ] Have you checked your code formatting is correct? (cargo fmt -- --check --color=auto)
• [ ] Have you checked your basic code style is fine? (cargo clippy)
• [ ] If you added any dependencies, have you checked they do not contain any known vulnerabilities? (cargo audit)
• [ ] If your changes affect public APIs, does your PR follow the C4 evolution of public contracts?
• [ ] If your code changes public APIs, have you incremented the crate version numbers and documented your changes in the CHANGELOG.md?
• [ ] If you are contributing for the first time, please read the agreement in CONTRIBUTING.md now and add a comment to this pull request stating that your PR is in accordance with the Developer's Certificate of Origin.

Thank you for your code, it's appreciated! :)

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 :warning:

Comparison is base (7021c5d) 43.10% compared to head (2baab69) 43.09%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #909 +/- ## ========================================== - Coverage 43.10% 43.09% -0.01% ========================================== Files 48 48 Lines 9139 9141 +2 ========================================== Hits 3939 3939 - Misses 5200 5202 +2 ``` | [Impacted Files](https://codecov.io/gh/crypto-com/defi-wallet-core-rs/pull/909?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=crypto-com) | Coverage Δ | | |---|---|---| | [common/src/node/ethereum/utils.rs](https://codecov.io/gh/crypto-com/defi-wallet-core-rs/pull/909?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=crypto-com#diff-Y29tbW9uL3NyYy9ub2RlL2V0aGVyZXVtL3V0aWxzLnJz) | `0.00% <0.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=crypto-com). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=crypto-com)

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