2016-01-09 12:30:41 +01:00
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use common::*;
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2016-01-08 21:33:41 +01:00
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use block::*;
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2016-01-09 12:30:41 +01:00
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use spec::*;
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use engine::*;
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2016-01-08 12:15:59 +01:00
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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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2016-01-08 12:27:00 +01:00
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Box::new(Ethash{spec: spec})
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2016-01-08 12:15:59 +01:00
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}
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}
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2016-01-08 12:27:00 +01:00
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impl Engine for Ethash {
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2016-01-08 12:15:59 +01:00
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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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2016-01-08 19:12:19 +01:00
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/// Apply the block reward on finalisation of the block.
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2016-01-08 22:04:21 +01:00
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fn on_close_block(&self, block: &mut Block) {
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2016-01-08 19:12:19 +01:00
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let a = block.header().author.clone();
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2016-01-08 21:33:41 +01:00
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block.state_mut().add_balance(&a, &decode(&self.spec().engine_params.get("block_reward").unwrap()));
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2016-01-08 19:12:19 +01:00
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}
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2016-01-08 12:15:59 +01:00
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}
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2016-01-08 22:04:21 +01:00
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// TODO: test for on_close_block.
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2016-01-09 12:30:41 +01:00
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#[test]
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fn playpen() {
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use util::sha3::*;
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use util::overlaydb::*;
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let engine = Spec::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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let b = OpenBlock::new(engine.deref(), db, &genesis_header, vec![genesis_header.hash()]);
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}
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