140 lines
3.6 KiB
Rust
140 lines
3.6 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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use ethereum_types::{U256, H256, Address};
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use rlp::Rlp;
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use transaction::{self, Transaction, SignedTransaction, UnverifiedTransaction};
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use pool;
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use pool::client::AccountDetails;
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const MAX_TRANSACTION_SIZE: usize = 15 * 1024;
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#[derive(Debug, Clone)]
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pub struct TestClient {
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account_details: AccountDetails,
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gas_required: U256,
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is_service_transaction: bool,
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local_address: Address,
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max_transaction_size: usize,
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}
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impl Default for TestClient {
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fn default() -> Self {
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TestClient {
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account_details: AccountDetails {
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nonce: 123.into(),
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balance: 63_100.into(),
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is_local: false,
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},
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gas_required: 21_000.into(),
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is_service_transaction: false,
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local_address: Default::default(),
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max_transaction_size: MAX_TRANSACTION_SIZE,
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}
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}
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}
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impl TestClient {
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pub fn new() -> Self {
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TestClient::default()
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}
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pub fn with_balance<T: Into<U256>>(mut self, balance: T) -> Self {
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self.account_details.balance = balance.into();
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self
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}
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pub fn with_nonce<T: Into<U256>>(mut self, nonce: T) -> Self {
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self.account_details.nonce = nonce.into();
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self
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}
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pub fn with_gas_required<T: Into<U256>>(mut self, gas_required: T) -> Self {
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self.gas_required = gas_required.into();
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self
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}
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pub fn with_local(mut self, address: &Address) -> Self {
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self.local_address = *address;
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self
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}
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pub fn with_service_transaction(mut self) -> Self {
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self.is_service_transaction = true;
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self
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}
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pub fn verify<T: Into<transaction::PendingTransaction>>(&self, tx: T) -> pool::VerifiedTransaction {
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let tx = tx.into();
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pool::VerifiedTransaction {
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hash: tx.hash(),
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sender: tx.sender(),
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priority: pool::Priority::Regular,
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transaction: tx,
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insertion_id: 1,
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}
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}
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}
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impl pool::client::Client for TestClient {
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fn transaction_already_included(&self, _hash: &H256) -> bool {
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false
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}
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fn verify_transaction(&self, tx: UnverifiedTransaction)
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-> Result<SignedTransaction, transaction::Error>
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{
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Ok(SignedTransaction::new(tx)?)
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}
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fn account_details(&self, address: &Address) -> AccountDetails {
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let mut details = self.account_details.clone();
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if address == &self.local_address {
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details.is_local = true;
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}
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details
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}
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fn required_gas(&self, _tx: &Transaction) -> U256 {
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self.gas_required
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}
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fn transaction_type(&self, _tx: &SignedTransaction) -> pool::client::TransactionType {
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if self.is_service_transaction {
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pool::client::TransactionType::Service
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} else {
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pool::client::TransactionType::Regular
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}
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}
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fn decode_transaction(&self, transaction: &[u8]) -> Result<UnverifiedTransaction, transaction::Error> {
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let rlp = Rlp::new(&transaction);
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if rlp.as_raw().len() > self.max_transaction_size {
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return Err(transaction::Error::TooBig)
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}
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rlp.as_val().map_err(|e| transaction::Error::InvalidRlp(e.to_string()))
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}
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}
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impl pool::client::NonceClient for TestClient {
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fn account_nonce(&self, _address: &Address) -> U256 {
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self.account_details.nonce
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}
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}
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