Method sign_transaction

web3/src/account.rs:65–74

(
        &self,
        transaction: Transaction,
        key: SecretKey,
    )

    }

    pub fn sign_transaction(
        &self,
        transaction: Transaction,
        key: SecretKey,
    ) -> Result<SignedTransaction> {
        let signed_transaction = transaction.sign(key).map_err(|e| {
            Web3Error::TransactionSigningError(format!("{:?} {}", transaction.hash, e))
        })?;
        Ok(signed_transaction)
    }

    /// Retrieve the eth balance for an accout at a given block.
    ///