* add support for eth_getBlockByNumber to accept the term safe which we are using as 30 blocks
* fix lint catch of unnecessary cast
* add finalized to get block by number
* Update chain/types/ethtypes/eth_types.go
Co-authored-by: Rod Vagg <rod@vagg.org>
* add test for eth get block by number to accept latest and safe and finalized as arguments
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Co-authored-by: Rod Vagg <rod@vagg.org>