44cc442d12
* WIP move errors, pod_account and state account to own crates * Sort out dependencies, fix broken code and tests Remove botched ethcore-error crate * remove template line * fix review feedback * Remove test-only AccountDBMut::new * Extract AccountDB to account-db * Move Substate to state-account – wip * Add lib.rs * cleanup * test failure * test failure 2 * third time's the charm * Add factories crate * Use new factories crate * Use factories crate * Extract trace * Fix tests * Sort out parity-util-mem and parking_lot * cleanup * WIP port over the rest of state from ethcore * Collect all impls for Machine * some notes * Rename pod-account to pod * Move PodState to pod crate * Use PodState from pod crate * Fix use clause for json tests * Sort out evmbin * Add missing code and use PodState * Move code that depends on Machine and Executive to own module * Sort out cloning errors, fix ethcore to use new state crate * Do without funky From impls * Fix ethcore tests * Fixes around the project to use new state crate * Add back the more specific impls of StateOrBlock From conversions * Move execute to freestanding function and remove it from trait Sort out the error handling in executive_state by moving the result types from state to ethcore Undo the verbose code added to work around the StateOrBlock From conversions * cleanup * Fix "error: enum variants on type aliases are experimental" * Bring back the state tests Fix whitespace * remove ethcore/state/mod.rs * cleanup * cleanup * Cleanup state-account errors * Fix more todos Add module docs * Add error.rs * Fixup Cargo.lock * Smaller ethcore API is fine * Add `to-pod-full` feature to state-account Fix evmbin * Fix a few more test failures * Fix RPC test build * Baptize the new trait * Remove resolved TODOs * Rename state-account to account-state * Do not re-export the trace crate * Don't export state_db from ethcore * Let private-tx use StateDB. :( * Remove ethcore/src/pod_state.rs * Inner type does not need to be pub/pub(crate) * optimise imports * Revert "Inner type does not need to be pub/pub(crate)" This reverts commit 2f839f8a0f72f71334da64620f57e6dd6039f06b. * Move DatabaseExtras to ethcore-blockchain * Add database_extra module to ethcore-blockchain * Remove to-pod-full feature * Sort out the merge * sort imports * address grumbles * rename crate * address more grumbles
74 lines
2.2 KiB
Rust
74 lines
2.2 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
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use trie_db::TrieFactory;
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use ethtrie::RlpCodec;
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use account_db::Factory as AccountFactory;
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use evm::{Factory as EvmFactory, VMType};
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use vm::{Exec, ActionParams, VersionedSchedule, Schedule};
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use wasm::WasmInterpreter;
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use keccak_hasher::KeccakHasher;
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const WASM_MAGIC_NUMBER: &'static [u8; 4] = b"\0asm";
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/// Virtual machine factory
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#[derive(Default, Clone)]
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pub struct VmFactory {
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evm: EvmFactory,
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}
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impl VmFactory {
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pub fn create(&self, params: ActionParams, schedule: &Schedule, depth: usize) -> Option<Box<dyn Exec>> {
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if params.code_version.is_zero() {
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Some(if schedule.wasm.is_some() && schedule.versions.is_empty() && params.code.as_ref().map_or(false, |code| code.len() > 4 && &code[0..4] == WASM_MAGIC_NUMBER) {
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Box::new(WasmInterpreter::new(params))
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} else {
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self.evm.create(params, schedule, depth)
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})
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} else {
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let version_config = schedule.versions.get(¶ms.code_version);
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match version_config {
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Some(VersionedSchedule::PWasm) => {
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Some(Box::new(WasmInterpreter::new(params)))
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},
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None => None,
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}
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}
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}
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pub fn new(evm: VMType, cache_size: usize) -> Self {
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VmFactory { evm: EvmFactory::new(evm, cache_size) }
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}
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}
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impl From<EvmFactory> for VmFactory {
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fn from(evm: EvmFactory) -> Self {
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VmFactory { evm: evm }
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}
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}
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/// Collection of factories.
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#[derive(Default, Clone)]
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pub struct Factories {
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/// factory for evm.
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pub vm: VmFactory,
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/// factory for tries.
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pub trie: TrieFactory<KeccakHasher, RlpCodec>,
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/// factory for account databases.
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pub accountdb: AccountFactory,
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}
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