grassrootseconomics/openethereum
8
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Futures-based native wrappers for contract ABIs (#5341)

Browse Source 
* initial native contract generator

* get generated code compiling

* unit tests for type codegen

* autogenerate registry contract

* native_contracts entry for registry

* service_transaction_checker

* fixed indentation
This commit is contained in:
Robert Habermeier
2017-04-03 09:40:18 +02:00
committed by Gav Wood
parent 21e21f1e02
commit c9c8f920d2
14 changed files with 642 additions and 605 deletions
Download Patch File Download Diff File Expand all files Collapse all files

173
ethcore/src/miner/service_transaction_checker.rs
View File

@@ -14,9 +14,12 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use types::ids::BlockId;
use client::MiningBlockChainClient;
use transaction::SignedTransaction;
use types::ids::BlockId;
use futures::{future, Future};
use native_contracts::ServiceTransactionChecker as Contract;
use util::{U256, Uint, Mutex};
const SERVICE_TRANSACTION_CONTRACT_REGISTRY_NAME: &'static str = "service_transaction_checker";
@@ -24,7 +27,7 @@ const SERVICE_TRANSACTION_CONTRACT_REGISTRY_NAME: &'static str = "service_transa
/// Service transactions checker.
#[derive(Default)]
pub struct ServiceTransactionChecker {
contract: Mutex<Option<provider::Contract>>,
contract: Mutex<Option<Contract>>,
}
impl ServiceTransactionChecker {
@@ -36,7 +39,7 @@ impl ServiceTransactionChecker {
.and_then(|contract_addr| {
trace!(target: "txqueue", "Configuring for service transaction checker contract from {}", contract_addr);
Some(provider::Contract::new(contract_addr))
Some(Contract::new(contract_addr))
})
}
}
@@ -46,168 +49,12 @@ impl ServiceTransactionChecker {
debug_assert_eq!(tx.gas_price, U256::zero());
if let Some(ref contract) = *self.contract.lock() {
let do_call = |a, d| client.call_contract(BlockId::Latest, a, d);
contract.certified(&do_call, &tx.sender())
contract.certified(
|addr, data| future::done(client.call_contract(BlockId::Latest, addr, data)),
tx.sender()
).wait()
} else {
Err("contract is not configured".to_owned())
}
}
}
mod provider {
// Autogenerated from JSON contract definition using Rust contract convertor.
// Command line: --jsonabi=SimpleCertifier.abi --explicit-do-call
#![allow(unused_imports)]
use std::string::String;
use std::result::Result;
use std::fmt;
use {util, ethabi};
use util::{Uint};
pub struct Contract {
contract: ethabi::Contract,
address: util::Address,
}
impl Contract {
pub fn new(address: util::Address) -> Self
{
Contract {
contract: ethabi::Contract::new(ethabi::Interface::load(b"[{\"constant\":false,\"inputs\":[{\"name\":\"_new\",\"type\":\"address\"}],\"name\":\"setOwner\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"}],\"name\":\"certify\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"},{\"name\":\"_field\",\"type\":\"string\"}],\"name\":\"getAddress\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"}],\"name\":\"revoke\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"delegate\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"},{\"name\":\"_field\",\"type\":\"string\"}],\"name\":\"getUint\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_new\",\"type\":\"address\"}],\"name\":\"setDelegate\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"}],\"name\":\"certified\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"},{\"name\":\"_field\",\"type\":\"string\"}],\"name\":\"get\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes32\"}],\"payable\":false,\"type\":\"function\"}]").expect("JSON is autogenerated; qed")),
address: address,
}
}
fn as_string<T: fmt::Debug>(e: T) -> String { format!("{:?}", e) }
/// Auto-generated from: `{"constant":false,"inputs":[{"name":"_new","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn set_owner<F>(&self, do_call: &F, _new: &util::Address) -> Result<(), String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("setOwner".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![ethabi::Token::Address(_new.clone().0)]
).map_err(Self::as_string)?;
call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
Ok(())
}
/// Auto-generated from: `{"constant":false,"inputs":[{"name":"_who","type":"address"}],"name":"certify","outputs":[],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn certify<F>(&self, do_call: &F, _who: &util::Address) -> Result<(), String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("certify".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![ethabi::Token::Address(_who.clone().0)]
).map_err(Self::as_string)?;
call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
Ok(())
}
/// Auto-generated from: `{"constant":true,"inputs":[{"name":"_who","type":"address"},{"name":"_field","type":"string"}],"name":"getAddress","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn get_address<F>(&self, do_call: &F, _who: &util::Address, _field: &str) -> Result<util::Address, String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("getAddress".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![ethabi::Token::Address(_who.clone().0), ethabi::Token::String(_field.to_owned())]
).map_err(Self::as_string)?;
let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
let mut result = output.into_iter().rev().collect::<Vec<_>>();
Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_address().ok_or("Invalid type returned")?; util::Address::from(r) }))
}
/// Auto-generated from: `{"constant":false,"inputs":[{"name":"_who","type":"address"}],"name":"revoke","outputs":[],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn revoke<F>(&self, do_call: &F, _who: &util::Address) -> Result<(), String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("revoke".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![ethabi::Token::Address(_who.clone().0)]
).map_err(Self::as_string)?;
call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
Ok(())
}
/// Auto-generated from: `{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn owner<F>(&self, do_call: &F) -> Result<util::Address, String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("owner".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![]
).map_err(Self::as_string)?;
let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
let mut result = output.into_iter().rev().collect::<Vec<_>>();
Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_address().ok_or("Invalid type returned")?; util::Address::from(r) }))
}
/// Auto-generated from: `{"constant":true,"inputs":[],"name":"delegate","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn delegate<F>(&self, do_call: &F) -> Result<util::Address, String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("delegate".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![]
).map_err(Self::as_string)?;
let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
let mut result = output.into_iter().rev().collect::<Vec<_>>();
Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_address().ok_or("Invalid type returned")?; util::Address::from(r) }))
}
/// Auto-generated from: `{"constant":true,"inputs":[{"name":"_who","type":"address"},{"name":"_field","type":"string"}],"name":"getUint","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn get_uint<F>(&self, do_call: &F, _who: &util::Address, _field: &str) -> Result<util::U256, String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("getUint".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![ethabi::Token::Address(_who.clone().0), ethabi::Token::String(_field.to_owned())]
).map_err(Self::as_string)?;
let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
let mut result = output.into_iter().rev().collect::<Vec<_>>();
Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_uint().ok_or("Invalid type returned")?; util::U256::from(r.as_ref()) }))
}
/// Auto-generated from: `{"constant":false,"inputs":[{"name":"_new","type":"address"}],"name":"setDelegate","outputs":[],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn set_delegate<F>(&self, do_call: &F, _new: &util::Address) -> Result<(), String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("setDelegate".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![ethabi::Token::Address(_new.clone().0)]
).map_err(Self::as_string)?;
call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
Ok(())
}
/// Auto-generated from: `{"constant":true,"inputs":[{"name":"_who","type":"address"}],"name":"certified","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn certified<F>(&self, do_call: &F, _who: &util::Address) -> Result<bool, String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("certified".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![ethabi::Token::Address(_who.clone().0)]
).map_err(Self::as_string)?;
let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
let mut result = output.into_iter().rev().collect::<Vec<_>>();
Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_bool().ok_or("Invalid type returned")?; r }))
}
/// Auto-generated from: `{"constant":true,"inputs":[{"name":"_who","type":"address"},{"name":"_field","type":"string"}],"name":"get","outputs":[{"name":"","type":"bytes32"}],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn get<F>(&self, do_call: &F, _who: &util::Address, _field: &str) -> Result<util::H256, String>
where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send {
let call = self.contract.function("get".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![ethabi::Token::Address(_who.clone().0), ethabi::Token::String(_field.to_owned())]
).map_err(Self::as_string)?;
let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
let mut result = output.into_iter().rev().collect::<Vec<_>>();
Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_fixed_bytes().ok_or("Invalid type returned")?; util::H256::from_slice(r.as_ref()) }))
}
}
}