32 lines
734 B
Rust
32 lines
734 B
Rust
use engine::Engine;
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use spec::Spec;
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use evm::Schedule;
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use evm::Factory;
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use env_info::EnvInfo;
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/// An engine which does not provide any consensus mechanism.
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pub struct NullEngine {
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spec: Spec,
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factory: Factory
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}
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impl NullEngine {
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/// Returns new instance of NullEngine with default VM Factory
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pub fn new_boxed(spec: Spec) -> Box<Engine> {
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Box::new(NullEngine{
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spec: spec,
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// TODO [todr] should this return any specific factory?
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factory: Factory::default()
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})
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}
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}
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impl Engine for NullEngine {
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fn vm_factory(&self) -> &Factory {
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&self.factory
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}
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fn name(&self) -> &str { "NullEngine" }
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fn spec(&self) -> &Spec { &self.spec }
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fn schedule(&self, _env_info: &EnvInfo) -> Schedule { Schedule::new_frontier() }
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}
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