[beta] Backports (#6563)

* Sync progress and error handling fixes (#6560)

* Fixed receipt serialization and RPC (#6555)

* v1.7.3

ethcore/src/block.rs

@@ -30,7 +30,7 @@ use engines::Engine;
 use error::{Error, BlockError, TransactionError};
 use factory::Factories;
 use header::Header;
-use receipt::Receipt;
+use receipt::{Receipt, TransactionOutcome};
 use state::State;
 use state_db::StateDB;
 use trace::FlatTrace;
@@ -524,7 +524,7 @@ impl LockedBlock {
 	pub fn strip_receipts(self) -> LockedBlock {
 		let mut block = self;
 		for receipt in &mut block.block.receipts {
-			receipt.state_root = None;
+			receipt.outcome = TransactionOutcome::Unknown;
 		}
 		block.block.header.set_receipts_root(ordered_trie_root(block.block.receipts.iter().map(|r| r.rlp_bytes().into_vec())));
 		block

ethcore/src/blockchain/blockchain.rs

@@ -1471,7 +1471,7 @@ mod tests {
 	use util::kvdb::KeyValueDB;
 	use util::hash::*;
 	use util::sha3::Hashable;
-	use receipt::Receipt;
+	use receipt::{Receipt, TransactionOutcome};
 	use blockchain::{BlockProvider, BlockChain, Config, ImportRoute};
 	use tests::helpers::*;
 	use blockchain::generator::{ChainGenerator, ChainIterator, BlockFinalizer};
@@ -2038,8 +2038,7 @@ mod tests {
 		let db = new_db();
 		let bc = new_chain(&genesis, db.clone());
 		insert_block(&db, &bc, &b1, vec![Receipt {
-			state_root: Some(H256::default()),
-			status_code: None,
+			outcome: TransactionOutcome::StateRoot(H256::default()),
 			gas_used: 10_000.into(),
 			log_bloom: Default::default(),
 			logs: vec![
@@ -2048,8 +2047,7 @@ mod tests {
 			],
 		},
 		Receipt {
-			state_root: Some(H256::default()),
-			status_code: None,
+			outcome: TransactionOutcome::StateRoot(H256::default()),
 			gas_used: 10_000.into(),
 			log_bloom: Default::default(),
 			logs: vec![
@@ -2058,8 +2056,7 @@ mod tests {
 		}]);
 		insert_block(&db, &bc, &b2, vec![
 			Receipt {
-				state_root: Some(H256::default()),
-				status_code: None,
+				outcome: TransactionOutcome::StateRoot(H256::default()),
 				gas_used: 10_000.into(),
 				log_bloom: Default::default(),
 				logs: vec![

ethcore/src/client/client.rs

@@ -1978,7 +1978,7 @@ fn transaction_receipt(engine: &Engine, mut tx: LocalizedTransaction, mut receip
 			log_index: no_of_logs + i,
 		}).collect(),
 		log_bloom: receipt.log_bloom,
-		state_root: receipt.state_root,
+		outcome: receipt.outcome,
 	}
 }
 
@@ -2023,7 +2023,7 @@ mod tests {
 		use super::transaction_receipt;
 		use ethkey::KeyPair;
 		use log_entry::{LogEntry, LocalizedLogEntry};
-		use receipt::{Receipt, LocalizedReceipt};
+		use receipt::{Receipt, LocalizedReceipt, TransactionOutcome};
 		use transaction::{Transaction, LocalizedTransaction, Action};
 		use util::Hashable;
 		use tests::helpers::TestEngine;
@@ -2035,7 +2035,7 @@ mod tests {
 
 		let block_number = 1;
 		let block_hash = 5.into();
-		let state_root = Some(99.into());
+		let state_root = 99.into();
 		let gas_used = 10.into();
 		let raw_tx = Transaction {
 			nonce: 0.into(),
@@ -2063,14 +2063,12 @@ mod tests {
 			data: vec![],
 		}];
 		let receipts = vec![Receipt {
-			state_root: state_root,
-			status_code: None,
+			outcome: TransactionOutcome::StateRoot(state_root),
 			gas_used: 5.into(),
 			log_bloom: Default::default(),
 			logs: vec![logs[0].clone()],
 		}, Receipt {
-			state_root: state_root,
-			status_code: None,
+			outcome: TransactionOutcome::StateRoot(state_root),
 			gas_used: gas_used,
 			log_bloom: Default::default(),
 			logs: logs.clone(),
@@ -2106,7 +2104,7 @@ mod tests {
 				log_index: 2,
 			}],
 			log_bloom: Default::default(),
-			state_root: state_root,
+			outcome: TransactionOutcome::StateRoot(state_root),
 		});
 	}
 }

ethcore/src/client/test_client.rs

@@ -33,7 +33,7 @@ use db::{NUM_COLUMNS, COL_STATE};
 use header::{Header as BlockHeader, BlockNumber};
 use filter::Filter;
 use log_entry::LocalizedLogEntry;
-use receipt::{Receipt, LocalizedReceipt};
+use receipt::{Receipt, LocalizedReceipt, TransactionOutcome};
 use blockchain::extras::BlockReceipts;
 use error::{ImportResult, Error as EthcoreError};
 use evm::{Factory as EvmFactory, VMType, Schedule};
@@ -594,8 +594,7 @@ impl BlockChainClient for TestBlockChainClient {
 		// starts with 'f' ?
 		if *hash > H256::from("f000000000000000000000000000000000000000000000000000000000000000") {
 			let receipt = BlockReceipts::new(vec![Receipt::new(
-				Some(H256::zero()),
-				None,
+				TransactionOutcome::StateRoot(H256::zero()),
 				U256::zero(),
 				vec![])]);
 			let mut rlp = RlpStream::new();

ethcore/src/miner/miner.rs

@@ -1078,7 +1078,7 @@ impl MinerService for Miner {
 							},
 							logs: receipt.logs.clone(),
 							log_bloom: receipt.log_bloom,
-							state_root: receipt.state_root,
+							outcome: receipt.outcome.clone(),
 						}
 					})
 			}

ethcore/src/state/mod.rs

@@ -22,7 +22,7 @@
 use std::cell::{RefCell, RefMut};
 use std::collections::hash_map::Entry;
 
-use receipt::Receipt;
+use receipt::{Receipt, TransactionOutcome};
 use engines::Engine;
 use evm::env_info::EnvInfo;
 use error::Error;
@@ -655,21 +655,19 @@ impl<B: Backend> State<B> {
 			eip658 ||
 			(env_info.number >= engine.params().eip98_transition && env_info.number >= engine.params().validate_receipts_transition);
 
-		let state_root = if no_intermediate_commits {
-			None
+		let outcome = if no_intermediate_commits {
+			if eip658 {
+				TransactionOutcome::StatusCode(if e.exception.is_some() { 0 } else { 1 })
+			} else {
+				TransactionOutcome::Unknown
+			}
 		} else {
 			self.commit()?;
-			Some(self.root().clone())
-		};
-
-		let status_byte = if eip658 {
-			Some(if e.exception.is_some() { 0 } else { 1 })
-		} else {
-			None
+			TransactionOutcome::StateRoot(self.root().clone())
 		};
 
 		let output = e.output;
-		let receipt = Receipt::new(state_root, status_byte, e.cumulative_gas_used, e.logs);
+		let receipt = Receipt::new(outcome, e.cumulative_gas_used, e.logs);
 		trace!(target: "state", "Transaction receipt: {:?}", receipt);
 
 		Ok(ApplyOutcome {