parity-zcash/rpc/src/v1/impls/raw.rs

360 lines
13 KiB
Rust

use jsonrpc_core::Error;
use ser::{deserialize, serialize, Reader};
use v1::helpers::errors::{execution, invalid_params};
use v1::traits::Raw;
use v1::types::H256;
use v1::types::{
GetRawTransactionResponse, RawTransaction, Transaction, TransactionInput, TransactionOutput,
TransactionOutputs,
};
use zebra_chain::{
IndexedTransaction as GlobalIndexedTransaction, Transaction as GlobalTransaction,
SAPLING_TX_VERSION, SAPLING_TX_VERSION_GROUP_ID,
};
use zebra_primitives::bytes::Bytes as GlobalBytes;
use zebra_primitives::hash::H256 as GlobalH256;
use zebra_sync;
/// Default expiry height delta (best blocks number + height in blocks) for transactions
/// created by `createrawtransaction` RPC.
const DEFAULT_TX_EXPIRY_DELTA: u32 = 20;
pub struct RawClient<T: RawClientCoreApi> {
core: T,
}
pub trait RawClientCoreApi: Send + Sync + 'static {
fn accept_transaction(&self, transaction: GlobalTransaction) -> Result<GlobalH256, String>;
fn create_raw_transaction(
&self,
inputs: Vec<TransactionInput>,
outputs: TransactionOutputs,
lock_time: Option<u32>,
expiry_height: Option<u32>,
) -> Result<GlobalTransaction, String>;
}
pub struct RawClientCore {
local_sync_node: zebra_sync::LocalNodeRef,
}
impl RawClientCore {
pub fn new(local_sync_node: zebra_sync::LocalNodeRef) -> Self {
RawClientCore {
local_sync_node: local_sync_node,
}
}
pub fn do_create_raw_transaction(
best_block_number: u32,
inputs: Vec<TransactionInput>,
outputs: TransactionOutputs,
lock_time: Option<u32>,
expiry_height: Option<u32>,
) -> Result<GlobalTransaction, String> {
use global_script::Builder as ScriptBuilder;
// overwinter is active atm => assume that all new transactions are created for sapling era
let version = SAPLING_TX_VERSION;
let version_group_id = SAPLING_TX_VERSION_GROUP_ID;
// to make lock_time work at least one input must have sequence < SEQUENCE_FINAL
let lock_time = lock_time.unwrap_or_default();
let default_sequence = if lock_time != 0 {
zebra_chain::constants::SEQUENCE_FINAL - 1
} else {
zebra_chain::constants::SEQUENCE_FINAL
};
// by default we're creating transactions that are expired in DEFAULT_TX_EXPIRY_DELTA blocks
let expiry_height =
expiry_height.unwrap_or_else(|| best_block_number + DEFAULT_TX_EXPIRY_DELTA);
// prepare inputs
let inputs: Vec<_> = inputs
.into_iter()
.map(|input| zebra_chain::TransactionInput {
previous_output: zebra_chain::OutPoint {
hash: Into::<GlobalH256>::into(input.txid).reversed(),
index: input.vout,
},
script_sig: GlobalBytes::new(), // default script
sequence: input.sequence.unwrap_or(default_sequence),
})
.collect();
// prepare outputs
let outputs: Vec<_> = outputs
.outputs
.into_iter()
.map(|output| match output {
TransactionOutput::Address(with_address) => {
let amount_in_satoshis = (with_address.amount
* (zebra_chain::constants::SATOSHIS_IN_COIN as f64))
as u64;
let script = match with_address.address.kind {
zebra_keys::Type::P2PKH => {
ScriptBuilder::build_p2pkh(&with_address.address.hash)
}
zebra_keys::Type::P2SH => {
ScriptBuilder::build_p2sh(&with_address.address.hash)
}
};
zebra_chain::TransactionOutput {
value: amount_in_satoshis,
script_pubkey: script.to_bytes(),
}
}
TransactionOutput::ScriptData(with_script_data) => {
let script = ScriptBuilder::default()
.return_bytes(&*with_script_data.script_data)
.into_script();
zebra_chain::TransactionOutput {
value: 0,
script_pubkey: script.to_bytes(),
}
}
})
.collect();
// now construct && serialize transaction
let transaction = GlobalTransaction {
overwintered: true,
version: version,
version_group_id: version_group_id,
inputs: inputs,
outputs: outputs,
lock_time: lock_time,
expiry_height: expiry_height,
..Default::default()
};
Ok(transaction)
}
}
impl RawClientCoreApi for RawClientCore {
fn accept_transaction(&self, transaction: GlobalTransaction) -> Result<GlobalH256, String> {
self.local_sync_node
.accept_transaction(GlobalIndexedTransaction::from_raw(transaction))
}
fn create_raw_transaction(
&self,
inputs: Vec<TransactionInput>,
outputs: TransactionOutputs,
lock_time: Option<u32>,
expiry_height: Option<u32>,
) -> Result<GlobalTransaction, String> {
RawClientCore::do_create_raw_transaction(
self.local_sync_node.best_block_number(),
inputs,
outputs,
lock_time,
expiry_height,
)
}
}
impl<T> RawClient<T>
where
T: RawClientCoreApi,
{
pub fn new(core: T) -> Self {
RawClient { core: core }
}
}
impl<T> Raw for RawClient<T>
where
T: RawClientCoreApi,
{
fn send_raw_transaction(&self, raw_transaction: RawTransaction) -> Result<H256, Error> {
let raw_transaction_data: Vec<u8> = raw_transaction.into();
let transaction =
try!(deserialize(Reader::new(&raw_transaction_data))
.map_err(|e| invalid_params("tx", e)));
self.core
.accept_transaction(transaction)
.map(|h| h.reversed().into())
.map_err(|e| execution(e))
}
fn create_raw_transaction(
&self,
inputs: Vec<TransactionInput>,
outputs: TransactionOutputs,
lock_time: Option<u32>,
expiry_height: Option<u32>,
) -> Result<RawTransaction, Error> {
// reverse hashes of inputs
let inputs: Vec<_> = inputs
.into_iter()
.map(|mut input| {
input.txid = input.txid.reversed();
input
})
.collect();
let transaction = self
.core
.create_raw_transaction(inputs, outputs, lock_time, expiry_height)
.map_err(|e| execution(e))?;
let transaction = serialize(&transaction);
Ok(transaction.into())
}
fn decode_raw_transaction(&self, _transaction: RawTransaction) -> Result<Transaction, Error> {
rpc_unimplemented!()
}
fn get_raw_transaction(
&self,
_hash: H256,
_verbose: Option<bool>,
) -> Result<GetRawTransactionResponse, Error> {
rpc_unimplemented!()
}
}
#[cfg(test)]
pub mod tests {
use super::*;
use jsonrpc_core::IoHandler;
use v1::traits::Raw;
use v1::types::{TransactionInput, TransactionOutputs};
use zebra_chain::Transaction;
use zebra_primitives::hash::H256 as GlobalH256;
#[derive(Default)]
struct SuccessRawClientCore;
#[derive(Default)]
struct ErrorRawClientCore;
impl RawClientCoreApi for SuccessRawClientCore {
fn accept_transaction(&self, transaction: Transaction) -> Result<GlobalH256, String> {
Ok(transaction.hash())
}
fn create_raw_transaction(
&self,
_inputs: Vec<TransactionInput>,
_outputs: TransactionOutputs,
_lock_time: Option<u32>,
_expiry_height: Option<u32>,
) -> Result<Transaction, String> {
Ok("0100000001ad9d38823d95f31dc6c0cb0724c11a3cf5a466ca4147254a10cd94aade6eb5b3230000006b483045022100b7683165c3ecd57b0c44bf6a0fb258dc08c328458321c8fadc2b9348d4e66bd502204fd164c58d1a949a4d39bb380f8f05c9f6b3e9417f06bf72e5c068428ca3578601210391c35ac5ee7cf82c5015229dcff89507f83f9b8c952b8fecfa469066c1cb44ccffffffff0170f30500000000001976a914801da3cb2ed9e44540f4b982bde07cd3fbae264288ac00000000".into())
}
}
impl RawClientCoreApi for ErrorRawClientCore {
fn accept_transaction(&self, _transaction: Transaction) -> Result<GlobalH256, String> {
Err("error".to_owned())
}
fn create_raw_transaction(
&self,
_inputs: Vec<TransactionInput>,
_outputs: TransactionOutputs,
_lock_time: Option<u32>,
_expiry_height: Option<u32>,
) -> Result<Transaction, String> {
Err("error".to_owned())
}
}
#[test]
fn sendrawtransaction_accepted() {
let client = RawClient::new(SuccessRawClientCore::default());
let mut handler = IoHandler::new();
handler.extend_with(client.to_delegate());
let sample = handler.handle_request_sync(&(r#"
{
"jsonrpc": "2.0",
"method": "sendrawtransaction",
"params": ["00000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a0000000000000000000101000000000000000000000000"],
"id": 1
}"#)
).unwrap();
// direct hash is 0791efccd035c5fe501023ff888106eba5eff533965de4a6e06400f623bcac34
// but client expects reverse hash
assert_eq!(r#"{"jsonrpc":"2.0","result":"34acbc23f60064e0a6e45d9633f5efa5eb068188ff231050fec535d0ccef9107","id":1}"#, &sample);
}
#[test]
fn sendrawtransaction_rejected() {
let client = RawClient::new(ErrorRawClientCore::default());
let mut handler = IoHandler::new();
handler.extend_with(client.to_delegate());
let sample = handler.handle_request_sync(&(r#"
{
"jsonrpc": "2.0",
"method": "sendrawtransaction",
"params": ["00000000013ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a0000000000000000000101000000000000000000000000"],
"id": 1
}"#)
).unwrap();
assert_eq!(r#"{"jsonrpc":"2.0","error":{"code":-32015,"message":"Execution error.","data":"\"error\""},"id":1}"#, &sample);
}
#[test]
fn createrawtransaction_success() {
let client = RawClient::new(SuccessRawClientCore::default());
let mut handler = IoHandler::new();
handler.extend_with(client.to_delegate());
let sample = handler.handle_request_sync(&(r#"
{
"jsonrpc": "2.0",
"method": "createrawtransaction",
"params": [[{"txid":"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b","vout":0}],{"t2UNzUUx8mWBCRYPRezvA363EYXyEpHokyi":0.01}],
"id": 1
}"#)
).unwrap();
assert_eq!(r#"{"jsonrpc":"2.0","result":"0100000001ad9d38823d95f31dc6c0cb0724c11a3cf5a466ca4147254a10cd94aade6eb5b3230000006b483045022100b7683165c3ecd57b0c44bf6a0fb258dc08c328458321c8fadc2b9348d4e66bd502204fd164c58d1a949a4d39bb380f8f05c9f6b3e9417f06bf72e5c068428ca3578601210391c35ac5ee7cf82c5015229dcff89507f83f9b8c952b8fecfa469066c1cb44ccffffffff0170f30500000000001976a914801da3cb2ed9e44540f4b982bde07cd3fbae264288ac00000000","id":1}"#, &sample);
}
#[test]
fn createrawtransaction_with_expiry_height_success() {
let client = RawClient::new(SuccessRawClientCore::default());
let mut handler = IoHandler::new();
handler.extend_with(client.to_delegate());
let sample = handler.handle_request_sync(&(r#"
{
"jsonrpc": "2.0",
"method": "createrawtransaction",
"params": [[{"txid":"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b","vout":0}],{"t2UNzUUx8mWBCRYPRezvA363EYXyEpHokyi":0.01}, 100, 200],
"id": 1
}"#)
).unwrap();
assert_eq!(r#"{"jsonrpc":"2.0","result":"0100000001ad9d38823d95f31dc6c0cb0724c11a3cf5a466ca4147254a10cd94aade6eb5b3230000006b483045022100b7683165c3ecd57b0c44bf6a0fb258dc08c328458321c8fadc2b9348d4e66bd502204fd164c58d1a949a4d39bb380f8f05c9f6b3e9417f06bf72e5c068428ca3578601210391c35ac5ee7cf82c5015229dcff89507f83f9b8c952b8fecfa469066c1cb44ccffffffff0170f30500000000001976a914801da3cb2ed9e44540f4b982bde07cd3fbae264288ac00000000","id":1}"#, &sample);
}
#[test]
fn createrawtransaction_error() {
let client = RawClient::new(ErrorRawClientCore::default());
let mut handler = IoHandler::new();
handler.extend_with(client.to_delegate());
let sample = handler.handle_request_sync(&(r#"
{
"jsonrpc": "2.0",
"method": "createrawtransaction",
"params": [[{"txid":"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b","vout":0}],{"t2UNzUUx8mWBCRYPRezvA363EYXyEpHokyi":0.01}],
"id": 1
}"#)
).unwrap();
assert_eq!(r#"{"jsonrpc":"2.0","error":{"code":-32015,"message":"Execution error.","data":"\"error\""},"id":1}"#, &sample);
}
}