feat(eth): unit tests for types, crypto, encoding

[Unique-Divine]

Purpose / Abstract

• Part of epic(evm): Nibiru EVM tracking ticket #1836
• feat(eth): protos, eth types, and evm module types
• chore: changelog
• feat(eth): unit tests for types, crypto, encoding

Impl go-ethereum

Adds go-ethereum fork with an Interpreter interface for running smart
contracts in integration tests.

type Interpreter interface {
	// Run loops and evaluates the contract's code with the given input data and returns
	// the return byte-slice and an error if one occurred.
	Run(contract *Contract, input []byte, static bool) ([]byte, error)
}

An Interpreter is used to run Ethereum based contracts and will utilize the
passed environment to query external sources for state information.
The Interpreter will run the byte code VM based on the passed
configuration.

Changes from go-ethereum v1.11:

• Set callcode to use readOnly mode for precompiled calls.
• Remove IsStateful function from the PrecompiledContract interface, as this remains unused.
• Support stateful precompiled contracts.
• Add Address function to PrecompiledContract interface.
• Implement custom active precompiles for the EVM.
• Define Interpreter interface for the EVM.
• Move the JumpTable defaults to a separate function.
• Refactor Stack implementation

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