46 lines
1.5 KiB
Rust
46 lines
1.5 KiB
Rust
use common::*;
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use block::*;
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use spec::*;
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use engine::*;
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/// Engine using Ethash proof-of-work consensus algorithm, suitable for Ethereum
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/// mainnet chains in the Olympic, Frontier and Homestead eras.
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pub struct Ethash {
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spec: Spec,
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}
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impl Ethash {
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pub fn new_boxed(spec: Spec) -> Box<Engine> {
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Box::new(Ethash{spec: spec})
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}
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}
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impl Engine for Ethash {
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fn name(&self) -> &str { "Ethash" }
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fn spec(&self) -> &Spec { &self.spec }
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fn evm_schedule(&self, _env_info: &EnvInfo) -> EvmSchedule { EvmSchedule::new_frontier() }
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/// Apply the block reward on finalisation of the block.
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fn on_close_block(&self, block: &mut Block) {
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let a = block.header().author.clone();
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block.state_mut().add_balance(&a, &decode(&self.spec().engine_params.get("block_reward").unwrap()));
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}
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}
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// TODO: test for on_close_block.
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#[test]
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fn playpen() {
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use super::*;
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use state::*;
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let engine = new_morden().to_engine().unwrap();
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let genesis_header = engine.spec().genesis_header();
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let mut db = OverlayDB::new_temp();
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engine.spec().ensure_db_good(&mut db);
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assert!(SecTrieDB::new(&db, &genesis_header.state_root).contains(&address_from_hex("102e61f5d8f9bc71d0ad4a084df4e65e05ce0e1c")));
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{
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let s = State::from_existing(db.clone(), genesis_header.state_root.clone(), engine.account_start_nonce());
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assert_eq!(s.balance(&address_from_hex("0000000000000000000000000000000000000001")), U256::from(1u64));
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}
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let b = OpenBlock::new(engine.deref(), db, &genesis_header, vec![genesis_header.hash()]);
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// let c = b.close();
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} |