109 lines
2.7 KiB
Rust
109 lines
2.7 KiB
Rust
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// Copyright 2015, 2016 Ethcore (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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//! Parity EVM interpreter binary.
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#![warn(missing_docs)]
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extern crate ethcore;
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extern crate rustc_serialize;
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extern crate docopt;
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#[macro_use]
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extern crate ethcore_util as util;
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mod ext;
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use std::time::Instant;
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use std::str::FromStr;
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use docopt::Docopt;
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use util::{U256, FromHex, Uint, Bytes};
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use ethcore::evm::{Factory, VMType, Finalize};
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use ethcore::action_params::ActionParams;
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const USAGE: &'static str = r#"
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EVM implementation for Parity.
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Copyright 2016 Ethcore (UK) Limited
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Usage:
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evmbin stats [options]
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evmbin [-h | --help]
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Transaction options:
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--code CODE Contract code.
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--input DATA Input data.
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--gas GAS Supplied gas.
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General options:
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-h, --help Display this message and exit.
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"#;
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fn main() {
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let args: Args = Docopt::new(USAGE).and_then(|d| d.decode()).unwrap_or_else(|e| e.exit());
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let mut params = ActionParams::default();
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params.gas = args.gas();
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params.code = Some(args.code());
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params.data = args.data();
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let factory = Factory::new(VMType::Interpreter);
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let mut vm = factory.create(params.gas);
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let mut ext = ext::FakeExt::default();
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let start = Instant::now();
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let gas_left = vm.exec(params, &mut ext).finalize(ext).expect("OK");
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let duration = start.elapsed();
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println!("Gas used: {:?}", args.gas() - gas_left);
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println!("Output: {:?}", "");
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println!("Time: {}.{:.9}s", duration.as_secs(), duration.subsec_nanos());
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}
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#[derive(Debug, RustcDecodable)]
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struct Args {
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cmd_stats: bool,
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flag_code: Option<String>,
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flag_gas: Option<String>,
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flag_input: Option<String>,
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}
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impl Args {
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pub fn gas(&self) -> U256 {
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self.flag_gas
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.clone()
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.and_then(|g| U256::from_str(&g).ok())
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.unwrap_or_else(|| !U256::zero())
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}
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pub fn code(&self) -> Bytes {
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self.flag_code
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.clone()
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.and_then(|c| c.from_hex().ok())
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.unwrap_or_else(|| die("Code is required."))
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}
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pub fn data(&self) -> Option<Bytes> {
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self.flag_input
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.clone()
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.and_then(|d| d.from_hex().ok())
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}
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}
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fn die(msg: &'static str) -> ! {
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println!("{}", msg);
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::std::process::exit(-1)
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}
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