simplify 'transaction' struct

[lispc]

Describe the feature you would like

there are too many Transaction struct.

eth_types::geth_types::Transaction
ethers_core::types::transaction::response::Transaction
mock::transaction::MockTransaction

we have methods like

impl From<MockTransaction> for GethTransaction {
    fn from(mock: MockTransaction) -> Self {
        GethTransaction::from(&Transaction::from(mock))
    }
}

Additional context

No response