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Ensure judging the SF trigger by relative branch (#1399) 

Rather than just the canon chain.
This commit is contained in:
Gav Wood 2016-06-22 21:33:10 +02:00 committed by GitHub
parent 9a1e1b7c89
commit 230c6c889a
3 changed files with 17 additions and 7 deletions
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6
ethcore/src/client/client.rs
View File

@ -230,7 +230,7 @@ impl<V> Client<V> where V: Verifier {
let last_hashes = self.build_last_hashes(header.parent_hash.clone());
let db = self.state_db.lock().unwrap().boxed_clone();
let enact_result = enact_verified(&block, engine, self.tracedb.tracing_enabled(), db, &parent, last_hashes, self.dao_rescue_block_gas_limit(), &self.vm_factory);
let enact_result = enact_verified(&block, engine, self.tracedb.tracing_enabled(), db, &parent, last_hashes, self.dao_rescue_block_gas_limit(header.parent_hash.clone()), &self.vm_factory);
if let Err(e) = enact_result {
warn!(target: "client", "Block import failed for #{} ({})\nError: {:?}", header.number(), header.hash(), e);
return Err(());
@ -486,7 +486,7 @@ impl<V> BlockChainClient for Client<V> where V: Verifier {
last_hashes: last_hashes,
gas_used: U256::zero(),
gas_limit: U256::max_value(),
dao_rescue_block_gas_limit: self.dao_rescue_block_gas_limit(),
dao_rescue_block_gas_limit: self.dao_rescue_block_gas_limit(view.parent_hash()),
};
// that's just a copy of the state.
let mut state = self.state();
@ -808,7 +808,7 @@ impl<V> MiningBlockChainClient for Client<V> where V: Verifier {
self.state_db.lock().unwrap().boxed_clone(),
&self.chain.block_header(&h).expect("h is best block hash: so it's header must exist: qed"),
self.build_last_hashes(h.clone()),
self.dao_rescue_block_gas_limit(),
self.dao_rescue_block_gas_limit(h.clone()),
author,
gas_floor_target,
extra_data,

16
ethcore/src/client/mod.rs
View File

@ -227,9 +227,19 @@ pub trait BlockChainClient : Sync + Send {
/// Get `Some` gas limit of block 1_760_000, or `None` if chain is not yet that long.
fn dao_rescue_block_gas_limit(&self) -> Option<U256> {
self.block_header(BlockID::Number(1_760_000))
.map(|header| HeaderView::new(&header).gas_limit())
fn dao_rescue_block_gas_limit(&self, chain_hash: H256) -> Option<U256> {
if let Some(mut header) = self.block_header(BlockID::Hash(chain_hash)) {
if HeaderView::new(&header).number() < 1_760_000 {
None
} else {
while HeaderView::new(&header).number() != 1_760_000 {
header = self.block_header(BlockID::Hash(HeaderView::new(&header).parent_hash())).expect("chain is complete; parent of chain entry must be in chain; qed");
}
Some(HeaderView::new(&header).gas_limit())
}
} else {
None
}
}
}

2
ethcore/src/miner/miner.rs
View File

@ -274,7 +274,7 @@ impl MinerService for Miner {
last_hashes: last_hashes,
gas_used: U256::zero(),
gas_limit: U256::max_value(),
dao_rescue_block_gas_limit: chain.dao_rescue_block_gas_limit(),
dao_rescue_block_gas_limit: chain.dao_rescue_block_gas_limit(header.parent_hash().clone()),
};
// that's just a copy of the state.
let mut state = block.state().clone();