diff --git a/Cargo.lock b/Cargo.lock index fd3723046..547c3c88b 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -462,7 +462,7 @@ dependencies = [ [[package]] name = "ethabi-contract" -version = "5.0.3" +version = "5.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] @@ -514,7 +514,7 @@ dependencies = [ "crossbeam 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)", "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "ethabi-contract 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)", + "ethabi-contract 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi-derive 5.1.2 (registry+https://github.com/rust-lang/crates.io-index)", "ethash 1.11.0", "ethcore-bloom-journal 0.1.0", @@ -745,7 +745,7 @@ version = "1.0.0" dependencies = [ "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "ethabi-contract 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)", + "ethabi-contract 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi-derive 5.1.2 (registry+https://github.com/rust-lang/crates.io-index)", "ethcore 1.11.0", "ethcore-bytes 0.1.0", @@ -780,7 +780,7 @@ version = "1.0.0" dependencies = [ "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "ethabi-contract 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)", + "ethabi-contract 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi-derive 5.1.2 (registry+https://github.com/rust-lang/crates.io-index)", "ethcore 1.11.0", "ethcore-bytes 0.1.0", @@ -1786,7 +1786,7 @@ name = "node-filter" version = "1.11.0" dependencies = [ "ethabi 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "ethabi-contract 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)", + "ethabi-contract 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi-derive 5.1.2 (registry+https://github.com/rust-lang/crates.io-index)", "ethcore 1.11.0", "ethcore-io 1.11.0", @@ -2084,7 +2084,7 @@ name = "parity-hash-fetch" version = "1.11.0" dependencies = [ "ethabi 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "ethabi-contract 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)", + "ethabi-contract 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi-derive 5.1.2 (registry+https://github.com/rust-lang/crates.io-index)", "ethcore-bytes 0.1.0", "ethereum-types 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", @@ -2305,7 +2305,7 @@ name = "parity-updater" version = "1.11.0" dependencies = [ "ethabi 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "ethabi-contract 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)", + "ethabi-contract 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi-derive 5.1.2 (registry+https://github.com/rust-lang/crates.io-index)", "ethcore 1.11.0", "ethcore-bytes 0.1.0", @@ -2708,7 +2708,7 @@ name = "registrar" version = "0.0.1" dependencies = [ "ethabi 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "ethabi-contract 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)", + "ethabi-contract 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)", "ethabi-derive 5.1.2 (registry+https://github.com/rust-lang/crates.io-index)", "futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)", "keccak-hash 0.1.0", @@ -3815,7 +3815,7 @@ dependencies = [ "checksum error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff511d5dc435d703f4971bc399647c9bc38e20cb41452e3b9feb4765419ed3f3" "checksum eth-secp256k1 0.5.7 (git+https://github.com/paritytech/rust-secp256k1)" = "" "checksum ethabi 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05e33a914b94b763f0a92333e4e5c95c095563f06ef7d6b295b3d3c2cf31e21f" -"checksum ethabi-contract 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ca2263c24359e827348ac99aa1f2e28ba5bab0d6c0b83941fa252de8a9e9c073" +"checksum ethabi-contract 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "210c9e21d164c15b6ef64fe601e0e12a3c84a031d5ef558e38463e53edbd22ed" "checksum ethabi-derive 5.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d2bc7099baa147187aedaecd9fe04a6c0541c82bc43ff317cb6900fe2b983d74" "checksum ethbloom 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1a93a43ce2e9f09071449da36bfa7a1b20b950ee344b6904ff23de493b03b386" "checksum ethereum-types 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3a3ae691a36ce5d25b433e63128ce5579f4a18457b6a9c849832b2c9e0fec92a" diff --git a/ethcore/res/authority_round_block_reward_contract.json b/ethcore/res/authority_round_block_reward_contract.json new file mode 100644 index 000000000..e008de117 --- /dev/null +++ b/ethcore/res/authority_round_block_reward_contract.json @@ -0,0 +1,61 @@ +{ + "name": "TestAuthorityRoundBlockRewardContract", + "engine": { + "authorityRound": { + "params": { + "stepDuration": 1, + "startStep": 2, + "validators": { + "list": [ + "0x7d577a597b2742b498cb5cf0c26cdcd726d39e6e", + "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" + ] + }, + "immediateTransitions": true, + "emptyStepsTransition": "1", + "maximumEmptySteps": "2", + "blockRewardContractAddress": "0x0000000000000000000000000000000000000042" + } + } + }, + "params": { + "gasLimitBoundDivisor": "0x0400", + "accountStartNonce": "0x0", + "maximumExtraDataSize": "0x20", + "minGasLimit": "0x1388", + "networkID" : "0x69", + "eip140Transition": "0x0", + "eip211Transition": "0x0", + "eip214Transition": "0x0", + "eip658Transition": "0x0" + }, + "genesis": { + "seal": { + "authorityRound": { + "step": "0x0", + "signature": "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000" + } + }, + "difficulty": "0x20000", + "author": "0x0000000000000000000000000000000000000000", + "timestamp": "0x00", + "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000", + "extraData": "0x", + "gasLimit": "0x222222" + }, + "accounts": { + "0000000000000000000000000000000000000001": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } }, + "0000000000000000000000000000000000000002": { "balance": "1", "nonce": "1048576", "builtin": { "name": "sha256", "pricing": { "linear": { "base": 60, "word": 12 } } } }, + "0000000000000000000000000000000000000003": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ripemd160", "pricing": { "linear": { "base": 600, "word": 120 } } } }, + "0000000000000000000000000000000000000004": { "balance": "1", "nonce": "1048576", "builtin": { "name": "identity", "pricing": { "linear": { "base": 15, "word": 3 } } } }, + "0000000000000000000000000000000000000005": { "balance": "1", "builtin": { "name": "modexp", "activate_at": 0, "pricing": { "modexp": { "divisor": 20 } } } }, + "0000000000000000000000000000000000000006": { "balance": "1", "builtin": { "name": "alt_bn128_add", "activate_at": 0, "pricing": { "linear": { "base": 500, "word": 0 } } } }, + "0000000000000000000000000000000000000007": { "balance": "1", "builtin": { "name": "alt_bn128_mul", "activate_at": 0, "pricing": { "linear": { "base": 40000, "word": 0 } } } }, + "0000000000000000000000000000000000000008": { "balance": "1", "builtin": { "name": "alt_bn128_pairing", "activate_at": 0, "pricing": { "alt_bn128_pairing": { "base": 100000, "pair": 80000 } } } }, + "9cce34f7ab185c7aba1b7c8140d620b4bda941d6": { "balance": "1606938044258990275541962092341162602522202993782792835301376", "nonce": "1048576" }, + "0000000000000000000000000000000000000042": { + "balance": "1", + "constructor": "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" + } + } +} diff --git a/ethcore/res/contracts/block_reward.json b/ethcore/res/contracts/block_reward.json new file mode 100644 index 000000000..9209967f3 --- /dev/null +++ b/ethcore/res/contracts/block_reward.json @@ -0,0 +1,29 @@ +[ + { + "constant": false, + "inputs": [ + { + "name": "benefactors", + "type": "address[]" + }, + { + "name": "kind", + "type": "uint16[]" + } + ], + "name": "reward", + "outputs": [ + { + "name": "", + "type": "address[]" + }, + { + "name": "", + "type": "uint256[]" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + } +] diff --git a/ethcore/src/engines/authority_round/mod.rs b/ethcore/src/engines/authority_round/mod.rs index 387dafd50..4807d6c3f 100644 --- a/ethcore/src/engines/authority_round/mod.rs +++ b/ethcore/src/engines/authority_round/mod.rs @@ -27,6 +27,8 @@ use account_provider::AccountProvider; use block::*; use client::EngineClient; use engines::{Engine, Seal, EngineError, ConstructedVerifier}; +use engines::block_reward; +use engines::block_reward::{BlockRewardContract, RewardKind}; use error::{Error, BlockError}; use ethjson; use machine::{AuxiliaryData, Call, EthereumMachine}; @@ -68,6 +70,10 @@ pub struct AuthorityRoundParams { pub immediate_transitions: bool, /// Block reward in base units. pub block_reward: U256, + /// Block reward contract transition block. + pub block_reward_contract_transition: u64, + /// Block reward contract. + pub block_reward_contract: Option, /// Number of accepted uncles transition block. pub maximum_uncle_count_transition: u64, /// Number of accepted uncles. @@ -95,6 +101,8 @@ impl From for AuthorityRoundParams { validate_step_transition: p.validate_step_transition.map_or(0, Into::into), immediate_transitions: p.immediate_transitions.unwrap_or(false), block_reward: p.block_reward.map_or_else(Default::default, Into::into), + block_reward_contract_transition: p.block_reward_contract_transition.map_or(0, Into::into), + block_reward_contract: p.block_reward_contract_address.map(BlockRewardContract::new), maximum_uncle_count_transition: p.maximum_uncle_count_transition.map_or(0, Into::into), maximum_uncle_count: p.maximum_uncle_count.map_or(0, Into::into), empty_steps_transition: p.empty_steps_transition.map_or(u64::max_value(), |n| ::std::cmp::max(n.into(), 1)), @@ -388,6 +396,8 @@ pub struct AuthorityRound { epoch_manager: Mutex, immediate_transitions: bool, block_reward: U256, + block_reward_contract_transition: u64, + block_reward_contract: Option, maximum_uncle_count_transition: u64, maximum_uncle_count: usize, empty_steps_transition: u64, @@ -620,6 +630,8 @@ impl AuthorityRound { epoch_manager: Mutex::new(EpochManager::blank()), immediate_transitions: our_params.immediate_transitions, block_reward: our_params.block_reward, + block_reward_contract_transition: our_params.block_reward_contract_transition, + block_reward_contract: our_params.block_reward_contract, maximum_uncle_count_transition: our_params.maximum_uncle_count_transition, maximum_uncle_count: our_params.maximum_uncle_count, empty_steps_transition: our_params.empty_steps_transition, @@ -970,9 +982,7 @@ impl Engine for AuthorityRound { /// Apply the block reward on finalisation of the block. fn on_close_block(&self, block: &mut ExecutedBlock) -> Result<(), Error> { - use parity_machine::WithBalances; - - let mut rewards = Vec::new(); + let mut benefactors = Vec::new(); if block.header().number() >= self.empty_steps_transition { let empty_steps = if block.header().seal().is_empty() { // this is a new block, calculate rewards based on the empty steps messages we have accumulated @@ -998,17 +1008,33 @@ impl Engine for AuthorityRound { for empty_step in empty_steps { let author = empty_step.author()?; - rewards.push((author, self.block_reward)); + benefactors.push((author, RewardKind::EmptyStep)); } } let author = *block.header().author(); - rewards.push((author, self.block_reward)); + benefactors.push((author, RewardKind::Author)); - for &(ref author, ref block_reward) in rewards.iter() { - self.machine.add_balance(block, author, block_reward)?; - } - self.machine.note_rewards(block, &rewards, &[]) + let rewards = match self.block_reward_contract { + Some(ref c) if block.header().number() >= self.block_reward_contract_transition => { + let mut call = |to, data| { + let result = self.machine.execute_as_system( + block, + to, + U256::max_value(), // unbounded gas? maybe make configurable. + Some(data), + ); + result.map_err(|e| format!("{}", e)) + }; + + c.reward(&benefactors, &mut call)? + }, + _ => { + benefactors.into_iter().map(|(author, _)| (author, self.block_reward)).collect() + }, + }; + + block_reward::apply_block_rewards(&rewards, block, &self.machine) } /// Check the number of seal fields. @@ -1521,6 +1547,8 @@ mod tests { empty_steps_transition: u64::max_value(), maximum_empty_steps: 0, block_reward: Default::default(), + block_reward_contract_transition: 0, + block_reward_contract: Default::default(), }; let aura = { @@ -1563,6 +1591,8 @@ mod tests { empty_steps_transition: u64::max_value(), maximum_empty_steps: 0, block_reward: Default::default(), + block_reward_contract_transition: 0, + block_reward_contract: Default::default(), }; let aura = { @@ -1617,6 +1647,8 @@ mod tests { empty_steps_transition: u64::max_value(), maximum_empty_steps: 0, block_reward: Default::default(), + block_reward_contract_transition: 0, + block_reward_contract: Default::default(), }; let mut c_params = ::spec::CommonParams::default(); @@ -1894,4 +1926,71 @@ mod tests { _ => false, }); } + + #[test] + fn block_reward_contract() { + let spec = Spec::new_test_round_block_reward_contract(); + let tap = Arc::new(AccountProvider::transient_provider()); + + let addr1 = tap.insert_account(keccak("1").into(), "1").unwrap(); + + let engine = &*spec.engine; + let genesis_header = spec.genesis_header(); + let db1 = spec.ensure_db_good(get_temp_state_db(), &Default::default()).unwrap(); + let db2 = spec.ensure_db_good(get_temp_state_db(), &Default::default()).unwrap(); + + let last_hashes = Arc::new(vec![genesis_header.hash()]); + + let client = generate_dummy_client_with_spec_and_accounts( + Spec::new_test_round_block_reward_contract, + None, + ); + engine.register_client(Arc::downgrade(&client) as _); + + // step 2 + let b1 = OpenBlock::new( + engine, + Default::default(), + false, + db1, + &genesis_header, + last_hashes.clone(), + addr1, + (3141562.into(), 31415620.into()), + vec![], + false, + ).unwrap(); + let b1 = b1.close_and_lock(); + + // since the block is empty it isn't sealed and we generate empty steps + engine.set_signer(tap.clone(), addr1, "1".into()); + assert_eq!(engine.generate_seal(b1.block(), &genesis_header), Seal::None); + engine.step(); + + // step 3 + // the signer of the accumulated empty step message should be rewarded + let b2 = OpenBlock::new( + engine, + Default::default(), + false, + db2, + &genesis_header, + last_hashes.clone(), + addr1, + (3141562.into(), 31415620.into()), + vec![], + false, + ).unwrap(); + let addr1_balance = b2.block().state().balance(&addr1).unwrap(); + + // after closing the block `addr1` should be reward twice, one for the included empty step + // message and another for block creation + let b2 = b2.close_and_lock(); + + // the contract rewards (1000 + kind) for each benefactor/reward kind + assert_eq!( + b2.block().state().balance(&addr1).unwrap(), + addr1_balance + (1000 + 0).into() + (1000 + 2).into(), + ) + } } diff --git a/ethcore/src/engines/block_reward.rs b/ethcore/src/engines/block_reward.rs new file mode 100644 index 000000000..510a5255f --- /dev/null +++ b/ethcore/src/engines/block_reward.rs @@ -0,0 +1,184 @@ +// Copyright 2015-2018 Parity Technologies (UK) Ltd. +// This file is part of Parity. + +// Parity is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. + +// Parity is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License +// along with Parity. If not, see . + +use ethabi; +use ethabi::ParamType; +use ethereum_types::{H160, Address, U256}; + +use block::ExecutedBlock; +use error::Error; +use machine::EthereumMachine; +use super::SystemCall; + +use_contract!(block_reward_contract, "BlockReward", "res/contracts/block_reward.json"); + +/// The kind of block reward. +/// Depending on the consensus engine the allocated block reward might have +/// different semantics which could lead e.g. to different reward values. +#[repr(u8)] +#[derive(PartialEq, Eq, Clone, Copy, Debug)] +pub enum RewardKind { + /// Reward attributed to the block author. + Author = 0, + /// Reward attributed to the block uncle(s). + Uncle = 1, + /// Reward attributed to the author(s) of empty step(s) included in the block (AuthorityRound engine). + EmptyStep = 2, +} + +impl From for u16 { + fn from(reward_kind: RewardKind) -> Self { + reward_kind as u16 + } +} + +/// A client for the block reward contract. +pub struct BlockRewardContract { + /// Address of the contract. + address: Address, + block_reward_contract: block_reward_contract::BlockReward, +} + +impl BlockRewardContract { + /// Create a new block reward contract client targeting the given address. + pub fn new(address: Address) -> BlockRewardContract { + BlockRewardContract { + address, + block_reward_contract: block_reward_contract::BlockReward::default(), + } + } + + /// Calls the block reward contract with the given benefactors list (and associated reward kind) + /// and returns the reward allocation (address - value). The block reward contract *must* be + /// called by the system address so the `caller` must ensure that (e.g. using + /// `machine.execute_as_system`). + pub fn reward( + &self, + benefactors: &[(Address, RewardKind)], + caller: &mut SystemCall, + ) -> Result, Error> { + let reward = self.block_reward_contract.functions().reward(); + + let input = reward.input( + benefactors.iter().map(|&(address, _)| H160::from(address)), + benefactors.iter().map(|&(_, ref reward_kind)| u16::from(*reward_kind)), + ); + + let output = caller(self.address, input) + .map_err(Into::into) + .map_err(::engines::EngineError::FailedSystemCall)?; + + // since this is a non-constant call we can't use ethabi's function output + // deserialization, sadness ensues. + let types = &[ + ParamType::Array(Box::new(ParamType::Address)), + ParamType::Array(Box::new(ParamType::Uint(256))), + ]; + + let tokens = ethabi::decode(types, &output) + .map_err(|err| err.to_string()) + .map_err(::engines::EngineError::FailedSystemCall)?; + + assert!(tokens.len() == 2); + + let addresses = tokens[0].clone().to_array().expect("type checked by ethabi::decode; qed"); + let rewards = tokens[1].clone().to_array().expect("type checked by ethabi::decode; qed"); + + if addresses.len() != rewards.len() { + return Err(::engines::EngineError::FailedSystemCall( + "invalid data returned by reward contract: both arrays must have the same size".into() + ).into()); + } + + let addresses = addresses.into_iter().map(|t| t.to_address().expect("type checked by ethabi::decode; qed")); + let rewards = rewards.into_iter().map(|t| t.to_uint().expect("type checked by ethabi::decode; qed")); + + Ok(addresses.zip(rewards).collect()) + } +} + +/// Applies the given block rewards, i.e. adds the given balance to each benefactors' address. +/// If tracing is enabled the operations are recorded. +pub fn apply_block_rewards(rewards: &[(Address, U256)], block: &mut ExecutedBlock, machine: &EthereumMachine) -> Result<(), Error> { + use parity_machine::WithBalances; + + for &(ref author, ref block_reward) in rewards { + machine.add_balance(block, author, block_reward)?; + } + + machine.note_rewards(block, &rewards, &[]) +} + +#[cfg(test)] +mod test { + use client::PrepareOpenBlock; + use ethereum_types::U256; + use spec::Spec; + use test_helpers::generate_dummy_client_with_spec_and_accounts; + + use super::{BlockRewardContract, RewardKind}; + + #[test] + fn block_reward_contract() { + let client = generate_dummy_client_with_spec_and_accounts( + Spec::new_test_round_block_reward_contract, + None, + ); + + let machine = Spec::new_test_machine(); + + // the spec has a block reward contract defined at the given address + let block_reward_contract = BlockRewardContract::new( + "0000000000000000000000000000000000000042".into(), + ); + + let mut call = |to, data| { + let mut block = client.prepare_open_block( + "0000000000000000000000000000000000000001".into(), + (3141562.into(), 31415620.into()), + vec![], + ); + + let result = machine.execute_as_system( + block.block_mut(), + to, + U256::max_value(), + Some(data), + ); + + result.map_err(|e| format!("{}", e)) + }; + + // if no benefactors are given no rewards are attributed + assert!(block_reward_contract.reward(&vec![], &mut call).unwrap().is_empty()); + + // the contract rewards (1000 + kind) for each benefactor + let benefactors = vec![ + ("0000000000000000000000000000000000000033".into(), RewardKind::Author), + ("0000000000000000000000000000000000000034".into(), RewardKind::Uncle), + ("0000000000000000000000000000000000000035".into(), RewardKind::EmptyStep), + ]; + + let rewards = block_reward_contract.reward(&benefactors, &mut call).unwrap(); + let expected = vec![ + ("0000000000000000000000000000000000000033".into(), U256::from(1000)), + ("0000000000000000000000000000000000000034".into(), U256::from(1000 + 1)), + ("0000000000000000000000000000000000000035".into(), U256::from(1000 + 2)), + ]; + + assert_eq!(expected, rewards); + } +} diff --git a/ethcore/src/engines/mod.rs b/ethcore/src/engines/mod.rs index 3412c4836..8556879f9 100644 --- a/ethcore/src/engines/mod.rs +++ b/ethcore/src/engines/mod.rs @@ -18,6 +18,7 @@ mod authority_round; mod basic_authority; +mod block_reward; mod instant_seal; mod null_engine; mod signer; @@ -56,7 +57,7 @@ use ethereum_types::{H256, U256, Address}; use unexpected::{Mismatch, OutOfBounds}; use bytes::Bytes; -/// Default EIP-210 contrat code. +/// Default EIP-210 contract code. /// As defined in https://github.com/ethereum/EIPs/pull/210 pub const DEFAULT_BLOCKHASH_CONTRACT: &'static str = "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"; @@ -119,6 +120,9 @@ pub enum Seal { None, } +/// A system-calling closure. Enacts calls on a block's state from the system address. +pub type SystemCall<'a> = FnMut(Address, Vec) -> Result, String> + 'a; + /// Type alias for a function we can get headers by hash through. pub type Headers<'a, H> = Fn(H256) -> Option + 'a; diff --git a/ethcore/src/engines/validator_set/mod.rs b/ethcore/src/engines/validator_set/mod.rs index de2164f91..d439c69c2 100644 --- a/ethcore/src/engines/validator_set/mod.rs +++ b/ethcore/src/engines/validator_set/mod.rs @@ -38,9 +38,7 @@ pub use self::simple_list::SimpleList; use self::contract::ValidatorContract; use self::safe_contract::ValidatorSafeContract; use self::multi::Multi; - -/// A system-calling closure. Enacts calls on a block's state from the system address. -pub type SystemCall<'a> = FnMut(Address, Bytes) -> Result + 'a; +use super::SystemCall; /// Creates a validator set from spec. pub fn new_validator_set(spec: ValidatorSpec) -> Box { diff --git a/ethcore/src/spec/spec.rs b/ethcore/src/spec/spec.rs index c1fda8667..7f6d650dd 100644 --- a/ethcore/src/spec/spec.rs +++ b/ethcore/src/spec/spec.rs @@ -848,6 +848,13 @@ impl Spec { load_bundled!("authority_round_empty_steps") } + /// Create a new Spec with AuthorityRound consensus (with empty steps) using a block reward + /// contract. The contract source code can be found at: + /// https://github.com/parity-contracts/block-reward/blob/daf7d44383b6cdb11cb6b953b018648e2b027cfb/contracts/ExampleBlockReward.sol + pub fn new_test_round_block_reward_contract() -> Self { + load_bundled!("authority_round_block_reward_contract") + } + /// Create a new Spec with Tendermint consensus which does internal sealing (not requiring /// work). /// Account keccak("0") and keccak("1") are a authorities. diff --git a/json/src/spec/authority_round.rs b/json/src/spec/authority_round.rs index 4dea4f098..4ef936836 100644 --- a/json/src/spec/authority_round.rs +++ b/json/src/spec/authority_round.rs @@ -16,6 +16,7 @@ //! Authority params deserialization. +use ethereum_types::Address; use uint::Uint; use super::ValidatorSet; @@ -43,6 +44,13 @@ pub struct AuthorityRoundParams { /// Reward per block in wei. #[serde(rename="blockReward")] pub block_reward: Option, + /// Block at which the block reward contract should start being used. + #[serde(rename="blockRewardContractTransition")] + pub block_reward_contract_transition: Option, + /// Block reward contract address (setting the block reward contract + /// overrides the static block reward definition). + #[serde(rename="blockRewardContractAddress")] + pub block_reward_contract_address: Option
, /// Block at which maximum uncle count should be considered. #[serde(rename="maximumUncleCountTransition")] pub maximum_uncle_count_transition: Option,