2016-01-08 22:04:21 +01:00
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//use util::error::*;
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2016-01-08 21:33:41 +01:00
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use util::rlp::decode;
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2016-01-08 12:15:59 +01:00
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use engine::Engine;
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use spec::Spec;
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2016-01-08 21:33:41 +01:00
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use block::*;
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2016-01-08 12:15:59 +01:00
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use evm_schedule::EvmSchedule;
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use env_info::EnvInfo;
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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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