feat: add helper trait for deriving TxEnv from WithEncoded

[lean-apple]

Motivation

Closes #40.

Solution

• Added FromEncodedTx<Tx> helper trait to build transaction environments from encoded bytes
• Implemented IntoTxEnv<TxEnv> for WithEncoded<T> types
• Added AsRecoveredTx<T> trait to access recovered transactions
• Relaxed BlockExecutor::execute_transaction and execute_transaction_with_result_closure to accept any type implementing both IntoTxEnv<TxEnv> and AsRecoveredTx<Self::Transaction>

PR Checklist

• Added Tests
• Added Documentation
• Breaking changes

[klkvr]

this is already looking good, left some comments

[klkvr]

we also need this to have access to transaction itself and its sender, so I believe signature would need to be something like from_encoded_tx(tx, sender, encoded)

[klkvr]

we should now use IntoTxEnv when converting to tx_env

the assumption here is that IntoTxEnv will either be the same as .as_recovered_tx().into_tx_env() or more optimized (like in case with WithEncoded)

[lean-apple]

I tried to use directly ().into_tx_env() on tx.as_recovered_tx() after the gas checks,

yet I'm not sure it's possible to use it directly without having a new impl like this

impl<R> FromRecoveredTx<R::Transaction> for TxEnv 
where 
    R: eth::receipt_builder::ReceiptBuilder,
    R::Transaction: Transaction,
{
    fn from_recovered_tx(tx: &R::Transaction, sender: Address) -> Self {
   }
}

Should I add to enable the conversion ?

[klkvr]

we don't want to use the into_tx_env on tx._recovered_tx() as in case of WithEncoded we'll lose optimization that WithEncoded gives us

instead it should be something like

let recovered = tx.as_recovered();
let tx_env = tx.into_tx_env();

or maybe we should even add a separate trait to avoid having to drop value before into_tx_env call

[mattsse]

lgtm!