116 lines
3.7 KiB
Rust
116 lines
3.7 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum 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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// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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//! Vm execution env.
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use crate::{
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blockchain::State,
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bytes::Bytes,
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hash::H256,
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uint::Uint,
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vm::{Call, Env, Transaction},
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};
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/// Represents vm execution environment before and after execution of transaction.
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#[derive(Debug, PartialEq, Deserialize)]
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pub struct Vm {
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/// Contract calls made internaly by executed transaction.
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#[serde(rename = "callcreates")]
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pub calls: Option<Vec<Call>>,
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/// Env info.
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pub env: Env,
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/// Executed transaction
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#[serde(rename = "exec")]
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pub transaction: Transaction,
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/// Gas left after transaction execution.
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#[serde(rename = "gas")]
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pub gas_left: Option<Uint>,
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/// Hash of logs created during execution of transaction.
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pub logs: Option<H256>,
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/// Transaction output.
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#[serde(rename = "out")]
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pub output: Option<Bytes>,
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/// Post execution vm state.
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#[serde(rename = "post")]
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pub post_state: Option<State>,
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/// Pre execution vm state.
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#[serde(rename = "pre")]
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pub pre_state: State,
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}
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impl Vm {
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/// Returns true if transaction execution run out of gas.
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pub fn out_of_gas(&self) -> bool {
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self.calls.is_none()
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}
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}
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#[cfg(test)]
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mod tests {
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use super::Vm;
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use serde_json;
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#[test]
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fn vm_deserialization() {
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let s = r#"{
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"callcreates" : [
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],
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"env" : {
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"currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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"currentDifficulty" : "0x0100",
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"currentGasLimit" : "0x0f4240",
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"currentNumber" : "0x00",
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"currentTimestamp" : "0x01"
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},
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"exec" : {
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"address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
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"caller" : "cd1722f2947def4cf144679da39c4c32bdc35681",
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"code" : "0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff01600055",
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"data" : "0x",
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"gas" : "0x0186a0",
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"gasPrice" : "0x5af3107a4000",
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"origin" : "cd1722f2947def4cf144679da39c4c32bdc35681",
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"value" : "0x0de0b6b3a7640000"
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},
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"gas" : "0x013874",
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"logs" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
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"out" : "0x",
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"network" : "Frontier",
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"post" : {
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"0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
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"balance" : "0x0de0b6b3a7640000",
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"code" : "0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff01600055",
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"nonce" : "0x00",
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"storage" : {
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"0x00" : "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe"
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}
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}
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},
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"pre" : {
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"0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
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"balance" : "0x0de0b6b3a7640000",
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"code" : "0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff01600055",
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"nonce" : "0x00",
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"storage" : {
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}
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}
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}
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}"#;
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let _deserialized: Vm = serde_json::from_str(s).unwrap();
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// TODO: validate all fields
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}
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}
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