whenever ethereum tx is converted into cosmos tx by ConvertEthereumTxToCosmosTx, the value is converted to cosmos fee unit from wei.
so when convert the cosmos tx to back the original ethereum tx, we should convert the value back to wei to get original ethereum tx.

* feat: new eth apis, refactor: code structures

new eth apis
- GetStorageAt
- GetCode

refactor
- Restricted the scope of access for each namespace API (instead of accessing the backend directly, now access is through a scoped wrapper)
- Also renamed files and repositioned some methods within the backend directory to better reflect their purpose

* fix: not implemented txpool api

temp disable txpool api because we don't have any implementation

* fix: change event type for extract logs

* add cap for filters

* add filter system and apis

* fix comment

Co-authored-by: zsystm <[email protected]>

* delete unused interfaces and comments

* fix varible and function naming

* add TODO comments

* delete unused functions

* add error handling

* Set websocket params to prevent timeout

* fix: change GetLogsByHeight interface

* chore: change variable names from tm to comet

* docs: add comments about websocket client params

* fix: go.mod and go.work.sum

ran the followings for this commit:
- go mod tidy
- go work sync

* update: cometbft dep

current version of cometbft which minievm uses have a bug(cometbft/cometbft#3264 (comment)) which makes transaction broadcasting unavailable.

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Co-authored-by: jason song <[email protected]>
Co-authored-by: jasonsong0 <[email protected]>