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Merge pull request #5957

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e2edf95 Bugfix: make CreateNewBlock return pindexPrev (Pieter Wuille)
6b04508 Introduce separate 'generate' RPC call (Pieter Wuille)
0df67f1 Simplify hash loop code (Pieter Wuille)
This commit is contained in:
Wladimir J. van der Laan 2015-04-09 11:59:17 +02:00
commit 57026a29bc
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GPG key ID: 74810B012346C9A6
26 changed files with 192 additions and 183 deletions
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16
qa/rpc-tests/bipdersig.py
View file

@ -29,14 +29,14 @@ class BIP66Test(BitcoinTestFramework):
cnt = self.nodes[0].getblockcount()
# Mine some old-version blocks
self.nodes[1].setgenerate(True, 100)
self.nodes[1].generate(100)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 100):
raise AssertionError("Failed to mine 100 version=2 blocks")
# Mine 750 new-version blocks
for i in xrange(15):
self.nodes[2].setgenerate(True, 50)
self.nodes[2].generate(50)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 850):
raise AssertionError("Failed to mine 750 version=3 blocks")
@ -44,7 +44,7 @@ class BIP66Test(BitcoinTestFramework):
# TODO: check that new DERSIG rules are not enforced
# Mine 1 new-version block
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 851):
raise AssertionFailure("Failed to mine a version=3 blocks")
@ -53,26 +53,26 @@ class BIP66Test(BitcoinTestFramework):
# Mine 198 new-version blocks
for i in xrange(2):
self.nodes[2].setgenerate(True, 99)
self.nodes[2].generate(99)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1049):
raise AssertionError("Failed to mine 198 version=3 blocks")
# Mine 1 old-version block
self.nodes[1].setgenerate(True, 1)
self.nodes[1].generate(1)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1050):
raise AssertionError("Failed to mine a version=2 block after 949 version=3 blocks")
# Mine 1 new-version blocks
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1051):
raise AssertionError("Failed to mine a version=3 block")
# Mine 1 old-version blocks
try:
self.nodes[1].setgenerate(True, 1)
self.nodes[1].generate(1)
raise AssertionError("Succeeded to mine a version=2 block after 950 version=3 blocks")
except JSONRPCException:
pass
@ -81,7 +81,7 @@ class BIP66Test(BitcoinTestFramework):
raise AssertionError("Accepted a version=2 block after 950 version=3 blocks")
# Mine 1 new-version blocks
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1052):
raise AssertionError("Failed to mine a version=3 block")

6
qa/rpc-tests/conflictedbalance.sh
View file

@ -84,11 +84,11 @@ WaitPeers "$B1ARGS" 1
# 2 block, 50 XBT each == 100 XBT
# These will be transactions "A" and "B"
$CLI $B1ARGS setgenerate true 2
$CLI $B1ARGS generate 2
WaitBlocks
# 100 blocks, 0 mature == 0 XBT
$CLI $B2ARGS setgenerate true 100
$CLI $B2ARGS generate 100
WaitBlocks
CheckBalance "$B1ARGS" 100
@ -130,7 +130,7 @@ WaitPeers "$B1ARGS" 1
# Having B2 mine the next block puts the mutated
# transaction C in the chain:
$CLI $B2ARGS setgenerate true 1
$CLI $B2ARGS generate 1
WaitBlocks
# B1 should still be able to spend 100, because D is conflicted

8
qa/rpc-tests/forknotify.py
View file

@ -34,12 +34,12 @@ class ForkNotifyTest(BitcoinTestFramework):
def run_test(self):
# Mine 51 up-version blocks
self.nodes[1].setgenerate(True, 51)
self.nodes[1].generate(51)
self.sync_all()
# -alertnotify should trigger on the 51'st,
# but mine and sync another to give
# -alertnotify time to write
self.nodes[1].setgenerate(True, 1)
self.nodes[1].generate(1)
self.sync_all()
with open(self.alert_filename, 'r') as f:
@ -49,9 +49,9 @@ class ForkNotifyTest(BitcoinTestFramework):
raise AssertionError("-alertnotify did not warn of up-version blocks")
# Mine more up-version blocks, should not get more alerts:
self.nodes[1].setgenerate(True, 1)
self.nodes[1].generate(1)
self.sync_all()
self.nodes[1].setgenerate(True, 1)
self.nodes[1].generate(1)
self.sync_all()
with open(self.alert_filename, 'r') as f:

6
qa/rpc-tests/getblocktemplate_longpoll.py
View file

@ -51,7 +51,7 @@ class GetBlockTemplateLPTest(BitcoinTestFramework):
def run_test(self):
print "Warning: this test will take about 70 seconds in the best case. Be patient."
self.nodes[0].setgenerate(True, 10)
self.nodes[0].generate(10)
templat = self.nodes[0].getblocktemplate()
longpollid = templat['longpollid']
# longpollid should not change between successive invocations if nothing else happens
@ -66,7 +66,7 @@ class GetBlockTemplateLPTest(BitcoinTestFramework):
assert(thr.is_alive())
# Test 2: test that longpoll will terminate if another node generates a block
self.nodes[1].setgenerate(True, 1) # generate a block on another node
self.nodes[1].generate(1) # generate a block on another node
# check that thread will exit now that new transaction entered mempool
thr.join(5) # wait 5 seconds or until thread exits
assert(not thr.is_alive())
@ -74,7 +74,7 @@ class GetBlockTemplateLPTest(BitcoinTestFramework):
# Test 3: test that longpoll will terminate if we generate a block ourselves
thr = LongpollThread(self.nodes[0])
thr.start()
self.nodes[0].setgenerate(True, 1) # generate a block on another node
self.nodes[0].generate(1) # generate a block on another node
thr.join(5) # wait 5 seconds or until thread exits
assert(not thr.is_alive())

2
qa/rpc-tests/getblocktemplate_proposals.py
View file

@ -95,7 +95,7 @@ class GetBlockTemplateProposalTest(BitcoinTestFramework):
def run_test(self):
node = self.nodes[0]
node.setgenerate(True, 1) # Mine a block to leave initial block download
node.generate(1) # Mine a block to leave initial block download
tmpl = node.getblocktemplate()
if 'coinbasetxn' not in tmpl:
rawcoinbase = encodeUNum(tmpl['height'])

4
qa/rpc-tests/getchaintips.py
View file

@ -23,8 +23,8 @@ class GetChainTipsTest (BitcoinTestFramework):
# Split the network and build two chains of different lengths.
self.split_network ()
self.nodes[0].setgenerate (True, 10);
self.nodes[2].setgenerate (True, 20);
self.nodes[0].generate(10);
self.nodes[2].generate(20);
self.sync_all ()
tips = self.nodes[1].getchaintips ()

6
qa/rpc-tests/invalidateblock.py
View file

@ -28,12 +28,12 @@ class InvalidateTest(BitcoinTestFramework):
def run_test(self):
print "Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:"
print "Mine 4 blocks on Node 0"
self.nodes[0].setgenerate(True, 4)
self.nodes[0].generate(4)
assert(self.nodes[0].getblockcount() == 4)
besthash = self.nodes[0].getbestblockhash()
print "Mine competing 6 blocks on Node 1"
self.nodes[1].setgenerate(True, 6)
self.nodes[1].generate(6)
assert(self.nodes[1].getblockcount() == 6)
print "Connect nodes to force a reorg"
@ -61,7 +61,7 @@ class InvalidateTest(BitcoinTestFramework):
self.nodes[2].invalidateblock(self.nodes[2].getblockhash(3))
assert(self.nodes[2].getblockcount() == 2)
print "..and then mine a block"
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
print "Verify all nodes are at the right height"
time.sleep(5)
for i in xrange(3):

2
qa/rpc-tests/listtransactions.py
View file

@ -44,7 +44,7 @@ class ListTransactionsTest(BitcoinTestFramework):
{"txid":txid},
{"category":"receive","account":"","amount":Decimal("0.1"),"confirmations":0})
# mine a block, confirmations should change:
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
self.sync_all()
check_array_result(self.nodes[0].listtransactions(),
{"txid":txid},

6
qa/rpc-tests/mempool_coinbase_spends.py
View file

@ -41,7 +41,7 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
# Mine three blocks. After this, nodes[0] blocks
# 101, 102, and 103 are spend-able.
new_blocks = self.nodes[1].setgenerate(True, 4)
new_blocks = self.nodes[1].generate(4)
self.sync_all()
node0_address = self.nodes[0].getnewaddress()
@ -62,7 +62,7 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
# Broadcast and mine spend_102 and 103:
spend_102_id = self.nodes[0].sendrawtransaction(spend_102_raw)
spend_103_id = self.nodes[0].sendrawtransaction(spend_103_raw)
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
# Create 102_1 and 103_1:
spend_102_1_raw = self.create_tx(spend_102_id, node1_address, 50)
@ -70,7 +70,7 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
# Broadcast and mine 103_1:
spend_103_1_id = self.nodes[0].sendrawtransaction(spend_103_1_raw)
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
# ... now put spend_101 and spend_102_1 in memory pools:
spend_101_id = self.nodes[0].sendrawtransaction(spend_101_raw)

6
qa/rpc-tests/mempool_resurrect_test.py
View file

@ -51,12 +51,12 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
spends1_id = [ self.nodes[0].sendrawtransaction(tx) for tx in spends1_raw ]
blocks = []
blocks.extend(self.nodes[0].setgenerate(True, 1))
blocks.extend(self.nodes[0].generate(1))
spends2_raw = [ self.create_tx(txid, node0_address, 49.99) for txid in spends1_id ]
spends2_id = [ self.nodes[0].sendrawtransaction(tx) for tx in spends2_raw ]
blocks.extend(self.nodes[0].setgenerate(True, 1))
blocks.extend(self.nodes[0].generate(1))
# mempool should be empty, all txns confirmed
assert_equal(set(self.nodes[0].getrawmempool()), set())
@ -76,7 +76,7 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
assert(tx["confirmations"] == 0)
# Generate another block, they should all get mined
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
# mempool should be empty, all txns confirmed
assert_equal(set(self.nodes[0].getrawmempool()), set())
for txid in spends1_id+spends2_id:

2
qa/rpc-tests/mempool_spendcoinbase.py
View file

@ -58,7 +58,7 @@ class MempoolSpendCoinbaseTest(BitcoinTestFramework):
assert_equal(self.nodes[0].getrawmempool(), [ spend_101_id ])
# mine a block, spend_101 should get confirmed
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
assert_equal(set(self.nodes[0].getrawmempool()), set())
# ... and now height 102 can be spent:

6
qa/rpc-tests/receivedby.py
View file

@ -69,7 +69,7 @@ class ReceivedByTest(BitcoinTestFramework):
{ },
True)
#Bury Tx under 10 block so it will be returned by listreceivedbyaddress
self.nodes[1].setgenerate(True, 10)
self.nodes[1].generate(10)
self.sync_all()
check_array_result(self.nodes[1].listreceivedbyaddress(),
{"address":addr},
@ -106,7 +106,7 @@ class ReceivedByTest(BitcoinTestFramework):
raise AssertionError("Wrong balance returned by getreceivedbyaddress, %0.2f"%(balance))
#Bury Tx under 10 block so it will be returned by the default getreceivedbyaddress
self.nodes[1].setgenerate(True, 10)
self.nodes[1].generate(10)
self.sync_all()
balance = self.nodes[1].getreceivedbyaddress(addr)
if balance != Decimal("0.1"):
@ -136,7 +136,7 @@ class ReceivedByTest(BitcoinTestFramework):
if balance != balance_by_account:
raise AssertionError("Wrong balance returned by getreceivedbyaccount, %0.2f"%(balance))
self.nodes[1].setgenerate(True, 10)
self.nodes[1].generate(10)
self.sync_all()
# listreceivedbyaccount should return updated account balance
check_array_result(self.nodes[1].listreceivedbyaccount(),

2
qa/rpc-tests/rest.py
View file

@ -90,7 +90,7 @@ class RESTTest (BitcoinTestFramework):
self.sync_all()
# now mine the transactions
newblockhash = self.nodes[1].setgenerate(True, 1)
newblockhash = self.nodes[1].generate(1)
self.sync_all()
#check if the 3 tx show up in the new block

6
qa/rpc-tests/smartfees.py
View file

@ -51,7 +51,7 @@ class EstimateFeeTest(BitcoinTestFramework):
# Mine blocks with node2 until the memory pool clears:
count_start = self.nodes[2].getblockcount()
while len(self.nodes[2].getrawmempool()) > 0:
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
self.sync_all()
all_estimates = [ self.nodes[0].estimatefee(i) for i in range(1,20) ]
@ -70,7 +70,7 @@ class EstimateFeeTest(BitcoinTestFramework):
Decimal("0.0"), min_fee, 20)
tx_kbytes = (len(txhex)/2)/1000.0
fees_per_kb.append(float(fee)/tx_kbytes)
self.nodes[1].setgenerate(True, 1)
self.nodes[1].generate(1)
self.sync_all()
all_estimates = [ self.nodes[0].estimatefee(i) for i in range(1,20) ]
@ -81,7 +81,7 @@ class EstimateFeeTest(BitcoinTestFramework):
# Finish by mining a normal-sized block:
while len(self.nodes[0].getrawmempool()) > 0:
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
self.sync_all()
final_estimates = [ self.nodes[0].estimatefee(i) for i in range(1,20) ]

6
qa/rpc-tests/txn_doublespend.py
View file

@ -58,7 +58,7 @@ class TxnMallTest(BitcoinTestFramework):
# Have node0 mine a block:
if (self.options.mine_block):
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
sync_blocks(self.nodes[0:2])
tx1 = self.nodes[0].gettransaction(txid1)
@ -88,11 +88,11 @@ class TxnMallTest(BitcoinTestFramework):
# Now give doublespend to miner:
mutated_txid = self.nodes[2].sendrawtransaction(doublespend["hex"])
# ... mine a block...
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
# Reconnect the split network, and sync chain:
connect_nodes(self.nodes[1], 2)
self.nodes[2].setgenerate(True, 1) # Mine another block to make sure we sync
self.nodes[2].generate(1) # Mine another block to make sure we sync
sync_blocks(self.nodes)
# Re-fetch transaction info:

2
qa/rpc-tests/util.py
View file

@ -109,7 +109,7 @@ def initialize_chain(test_dir):
for peer in range(4):
for j in range(25):
set_node_times(rpcs, block_time)
rpcs[peer].setgenerate(True, 1)
rpcs[peer].generate(1)
block_time += 10*60
# Must sync before next peer starts generating blocks
sync_blocks(rpcs)

18
qa/rpc-tests/wallet.py
View file

@ -40,14 +40,14 @@ class WalletTest (BitcoinTestFramework):
def run_test (self):
print "Mining blocks..."
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
walletinfo = self.nodes[0].getwalletinfo()
assert_equal(walletinfo['immature_balance'], 50)
assert_equal(walletinfo['balance'], 0)
self.sync_all()
self.nodes[1].setgenerate(True, 101)
self.nodes[1].generate(101)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), 50)
@ -63,11 +63,11 @@ class WalletTest (BitcoinTestFramework):
assert_equal(walletinfo['immature_balance'], 0)
# Have node0 mine a block, thus they will collect their own fee.
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
self.sync_all()
# Have node1 generate 100 blocks (so node0 can recover the fee)
self.nodes[1].setgenerate(True, 100)
self.nodes[1].generate(100)
self.sync_all()
# node0 should end up with 100 btc in block rewards plus fees, but
@ -96,7 +96,7 @@ class WalletTest (BitcoinTestFramework):
self.nodes[1].sendrawtransaction(txns_to_send[1]["hex"], True)
# Have node1 mine a block to confirm transactions:
self.nodes[1].setgenerate(True, 1)
self.nodes[1].generate(1)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), 0)
@ -107,28 +107,28 @@ class WalletTest (BitcoinTestFramework):
address = self.nodes[0].getnewaddress("test")
self.nodes[2].settxfee(Decimal('0.001'))
txid = self.nodes[2].sendtoaddress(address, 10, "", "", False)
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), Decimal('89.99900000'))
assert_equal(self.nodes[0].getbalance(), Decimal('10.00000000'))
# Send 10 BTC with subtract fee from amount
txid = self.nodes[2].sendtoaddress(address, 10, "", "", True)
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), Decimal('79.99900000'))
assert_equal(self.nodes[0].getbalance(), Decimal('19.99900000'))
# Sendmany 10 BTC
txid = self.nodes[2].sendmany('from1', {address: 10}, 0, "", [])
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), Decimal('69.99800000'))
assert_equal(self.nodes[0].getbalance(), Decimal('29.99900000'))
# Sendmany 10 BTC with subtract fee from amount
txid = self.nodes[2].sendmany('from1', {address: 10}, 0, "", [address])
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), Decimal('59.99800000'))
assert_equal(self.nodes[0].getbalance(), Decimal('39.99800000'))

12
qa/rpc-tests/walletbackup.py
View file

@ -77,7 +77,7 @@ class WalletBackupTest(BitcoinTestFramework):
# Have the miner (node3) mine a block.
# Must sync mempools before mining.
sync_mempools(self.nodes)
self.nodes[3].setgenerate(True, 1)
self.nodes[3].generate(1)
# As above, this mirrors the original bash test.
def start_three(self):
@ -101,13 +101,13 @@ class WalletBackupTest(BitcoinTestFramework):
def run_test(self):
logging.info("Generating initial blockchain")
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
sync_blocks(self.nodes)
self.nodes[1].setgenerate(True, 1)
self.nodes[1].generate(1)
sync_blocks(self.nodes)
self.nodes[2].setgenerate(True, 1)
self.nodes[2].generate(1)
sync_blocks(self.nodes)
self.nodes[3].setgenerate(True, 100)
self.nodes[3].generate(100)
sync_blocks(self.nodes)
assert_equal(self.nodes[0].getbalance(), 50)
@ -134,7 +134,7 @@ class WalletBackupTest(BitcoinTestFramework):
self.do_one_round()
# Generate 101 more blocks, so any fees paid mature
self.nodes[3].setgenerate(True, 101)
self.nodes[3].generate(101)
self.sync_all()
balance0 = self.nodes[0].getbalance()

6
qa/rpc-tests/zapwallettxes.py
View file

@ -23,9 +23,9 @@ class ZapWalletTXesTest (BitcoinTestFramework):
def run_test (self):
print "Mining blocks..."
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
self.sync_all()
self.nodes[1].setgenerate(True, 101)
self.nodes[1].generate(101)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), 50)
@ -33,7 +33,7 @@ class ZapWalletTXesTest (BitcoinTestFramework):
txid0 = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11)
txid1 = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 10)
self.sync_all()
self.nodes[0].setgenerate(True, 1)
self.nodes[0].generate(1)
self.sync_all()
txid2 = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11)

122
src/miner.cpp
View file

@ -87,7 +87,7 @@ void UpdateTime(CBlockHeader* pblock, const CBlockIndex* pindexPrev)
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, Params().GetConsensus());
}
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn, CBlockIndex*& pindexPrev)
{
// Create new block
auto_ptr<CBlockTemplate> pblocktemplate(new CBlockTemplate());
@ -132,7 +132,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
{
LOCK2(cs_main, mempool.cs);
CBlockIndex* pindexPrev = chainActive.Tip();
pindexPrev = chainActive.Tip();
const int nHeight = pindexPrev->nHeight + 1;
CCoinsViewCache view(pcoinsTip);
@ -365,45 +365,34 @@ void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int&
//
// ScanHash scans nonces looking for a hash with at least some zero bits.
// The nonce is usually preserved between calls, but periodically or if the
// nonce is 0xffff0000 or above, the block is rebuilt and nNonce starts over at
// zero.
// The nonce is usually preserved between calls, but periodically the block is
// rebuilt and nNonce starts over at zero.
//
bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phash)
bool static ScanHash(CBlockHeader *pblock, uint256 *phash)
{
// Write the first 76 bytes of the block header to a double-SHA256 state.
CHash256 hasher;
CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
ss << *pblock;
assert(ss.size() == 80);
hasher.Write((unsigned char*)&ss[0], 76);
while (true) {
nNonce++;
// Write the last 4 bytes of the block header (the nonce) to a copy of
// the double-SHA256 state, and compute the result.
CHash256(hasher).Write((unsigned char*)&nNonce, 4).Finalize((unsigned char*)phash);
pblock->nNonce++;
*phash = pblock->GetHash();
// Return the nonce if the hash has at least some zero bits,
// caller will check if it has enough to reach the target
if (((uint16_t*)phash)[15] == 0)
return true;
// If nothing found after trying for a while, return -1
if ((nNonce & 0xfff) == 0)
// If nothing found after trying for a while, return false.
if ((pblock->nNonce & 0xfff) == 0)
return false;
}
}
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey)
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey, CBlockIndex*& pindexPrev)
{
CPubKey pubkey;
if (!reservekey.GetReservedKey(pubkey))
return NULL;
CScript scriptPubKey = CScript() << ToByteVector(pubkey) << OP_CHECKSIG;
return CreateNewBlock(scriptPubKey);
return CreateNewBlock(scriptPubKey, pindexPrev);
}
static bool ProcessBlockFound(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey)
@ -435,6 +424,56 @@ static bool ProcessBlockFound(CBlock* pblock, CWallet& wallet, CReserveKey& rese
return true;
}
bool static ScanLoop(CBlock *pblock, CBlockIndex *pindexPrev, CWallet *pwallet, CReserveKey& reservekey)
{
UpdateTime(pblock, pindexPrev);
arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits);
uint256 hash;
if (ScanHash(pblock, &hash)) {
if (UintToArith256(hash) <= hashTarget) {
// Found a solution
SetThreadPriority(THREAD_PRIORITY_NORMAL);
LogPrintf("BitcoinMiner:\n");
LogPrintf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex(), hashTarget.GetHex());
ProcessBlockFound(pblock, *pwallet, reservekey);
SetThreadPriority(THREAD_PRIORITY_LOWEST);
return true;
}
}
return false;
}
bool MineBlock(CWallet *pwallet, uint256& hash)
{
CReserveKey reservekey(pwallet);
unsigned int nExtraNonce = 0;
while (true) {
CBlockIndex *pindexPrev;
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey, pindexPrev));
if (!pblocktemplate.get()) {
return false;
}
CBlock *pblock = &pblocktemplate->block;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
while (true) {
if (ScanLoop(pblock, pindexPrev, pwallet, reservekey)) {
hash = pblock->GetHash();
return true;
}
boost::this_thread::interruption_point();
if (pblock->nNonce >= 0xffff0000)
break;
}
}
}
void static BitcoinMiner(CWallet *pwallet)
{
LogPrintf("BitcoinMiner started\n");
@ -458,9 +497,9 @@ void static BitcoinMiner(CWallet *pwallet)
// Create new block
//
unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
CBlockIndex* pindexPrev = chainActive.Tip();
CBlockIndex* pindexPrev;
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey, pindexPrev));
if (!pblocktemplate.get())
{
LogPrintf("Error in BitcoinMiner: Keypool ran out, please call keypoolrefill before restarting the mining thread\n");
@ -476,52 +515,23 @@ void static BitcoinMiner(CWallet *pwallet)
// Search
//
int64_t nStart = GetTime();
arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits);
uint256 hash;
uint32_t nNonce = 0;
while (true) {
// Check if something found
if (ScanHash(pblock, nNonce, &hash))
{
if (UintToArith256(hash) <= hashTarget)
{
// Found a solution
pblock->nNonce = nNonce;
assert(hash == pblock->GetHash());
SetThreadPriority(THREAD_PRIORITY_NORMAL);
LogPrintf("BitcoinMiner:\n");
LogPrintf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex(), hashTarget.GetHex());
ProcessBlockFound(pblock, *pwallet, reservekey);
SetThreadPriority(THREAD_PRIORITY_LOWEST);
// In regression test mode, stop mining after a block is found.
if (Params().MineBlocksOnDemand())
throw boost::thread_interrupted();
break;
}
}
if (ScanLoop(pblock, pindexPrev, pwallet, reservekey))
break;
// Check for stop or if block needs to be rebuilt
boost::this_thread::interruption_point();
// Regtest mode doesn't require peers
if (vNodes.empty() && Params().MiningRequiresPeers())
break;
if (nNonce >= 0xffff0000)
if (pblock->nNonce >= 0xffff0000)
break;
if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast && GetTime() - nStart > 60)
break;
if (pindexPrev != chainActive.Tip())
break;
// Update nTime every few seconds
UpdateTime(pblock, pindexPrev);
if (Params().AllowMinDifficultyBlocks())
{
// Changing pblock->nTime can change work required on testnet:
hashTarget.SetCompact(pblock->nBits);
}
}
}
}

6
src/miner.h
View file

@ -24,9 +24,11 @@ struct CBlockTemplate
/** Run the miner threads */
void GenerateBitcoins(bool fGenerate, CWallet* pwallet, int nThreads);
/** Create a single block */
bool MineBlock(CWallet *pwallet, uint256& hash);
/** Generate a new block, without valid proof-of-work */
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn);
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey);
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn, CBlockIndex*& pindexPrev);
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey, CBlockIndex*& pindexPrev);
/** Modify the extranonce in a block */
void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce);
void UpdateTime(CBlockHeader* block, const CBlockIndex* pindexPrev);

1
src/rpcclient.cpp
View file

@ -29,6 +29,7 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "getaddednodeinfo", 0 },
{ "setgenerate", 0 },
{ "setgenerate", 1 },
{ "generate", 0 },
{ "getnetworkhashps", 0 },
{ "getnetworkhashps", 1 },
{ "sendtoaddress", 1 },

95
src/rpcmining.cpp
View file

@ -113,6 +113,45 @@ Value getgenerate(const Array& params, bool fHelp)
return GetBoolArg("-gen", false);
}
Value generate(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 1)
throw runtime_error(
"generate numblocks\n"
"\nMine blocks immediately (before the RPC call returns)\n"
"1. numblocks (numeric) How many blocks are generated immediately.\n"
"\nResult\n"
"[ blockhashes ] (array) hashes of blocks generated\n"
"\nExamples:\n"
"\nGenerate 11 blocks\n"
+ HelpExampleCli("generate", "11")
);
if (pwalletMain == NULL)
throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found (disabled)");
int nHeightStart = 0;
int nHeightEnd = 0;
int nHeight = 0;
int nGenerate = params[0].get_int();
{ // Don't keep cs_main locked
LOCK(cs_main);
nHeightStart = chainActive.Height();
nHeight = nHeightStart;
nHeightEnd = nHeightStart+nGenerate;
}
Array blockHashes;
while (nHeight < nHeightEnd) {
uint256 hash;
if (!MineBlock(pwalletMain, hash))
throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet keypool empty");
++nHeight;
blockHashes.push_back(hash.GetHex());
}
return blockHashes;
}
Value setgenerate(const Array& params, bool fHelp)
{
@ -125,9 +164,6 @@ Value setgenerate(const Array& params, bool fHelp)
"\nArguments:\n"
"1. generate (boolean, required) Set to true to turn on generation, off to turn off.\n"
"2. genproclimit (numeric, optional) Set the processor limit for when generation is on. Can be -1 for unlimited.\n"
" Note: in -regtest mode, genproclimit controls how many blocks are generated immediately.\n"
"\nResult\n"
"[ blockhashes ] (array, -regtest only) hashes of blocks generated\n"
"\nExamples:\n"
"\nSet the generation on with a limit of one processor\n"
+ HelpExampleCli("setgenerate", "true 1") +
@ -154,52 +190,9 @@ Value setgenerate(const Array& params, bool fHelp)
fGenerate = false;
}
// -regtest mode: don't return until nGenProcLimit blocks are generated
if (fGenerate && Params().MineBlocksOnDemand())
{
int nHeightStart = 0;
int nHeightEnd = 0;
int nHeight = 0;
int nGenerate = (nGenProcLimit > 0 ? nGenProcLimit : 1);
CReserveKey reservekey(pwalletMain);
{ // Don't keep cs_main locked
LOCK(cs_main);
nHeightStart = chainActive.Height();
nHeight = nHeightStart;
nHeightEnd = nHeightStart+nGenerate;
}
unsigned int nExtraNonce = 0;
Array blockHashes;
while (nHeight < nHeightEnd)
{
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
if (!pblocktemplate.get())
throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet keypool empty");
CBlock *pblock = &pblocktemplate->block;
{
LOCK(cs_main);
IncrementExtraNonce(pblock, chainActive.Tip(), nExtraNonce);
}
while (!CheckProofOfWork(pblock->GetHash(), pblock->nBits, Params().GetConsensus())) {
// Yes, there is a chance every nonce could fail to satisfy the -regtest
// target -- 1 in 2^(2^32). That ain't gonna happen.
++pblock->nNonce;
}
CValidationState state;
if (!ProcessNewBlock(state, NULL, pblock))
throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted");
++nHeight;
blockHashes.push_back(pblock->GetHash().GetHex());
}
return blockHashes;
}
else // Not -regtest: start generate thread, return immediately
{
mapArgs["-gen"] = (fGenerate ? "1" : "0");
mapArgs ["-genproclimit"] = itostr(nGenProcLimit);
GenerateBitcoins(fGenerate, pwalletMain, nGenProcLimit);
}
mapArgs["-gen"] = (fGenerate ? "1" : "0");
mapArgs ["-genproclimit"] = itostr(nGenProcLimit);
GenerateBitcoins(fGenerate, pwalletMain, nGenProcLimit);
return Value::null;
}
@ -482,7 +475,7 @@ Value getblocktemplate(const Array& params, bool fHelp)
// Store the pindexBest used before CreateNewBlock, to avoid races
nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
CBlockIndex* pindexPrevNew = chainActive.Tip();
CBlockIndex* pindexPrevNew;
nStart = GetTime();
// Create new block
@ -492,7 +485,7 @@ Value getblocktemplate(const Array& params, bool fHelp)
pblocktemplate = NULL;
}
CScript scriptDummy = CScript() << OP_TRUE;
pblocktemplate = CreateNewBlock(scriptDummy);
pblocktemplate = CreateNewBlock(scriptDummy, pindexPrevNew);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");

1
src/rpcserver.cpp
View file

@ -312,6 +312,7 @@ static const CRPCCommand vRPCCommands[] =
/* Coin generation */
{ "generating", "getgenerate", &getgenerate, true, false },
{ "generating", "setgenerate", &setgenerate, true, false },
{ "generating", "generate", &generate, true, false },
#endif
/* Raw transactions */

1
src/rpcserver.h
View file

@ -162,6 +162,7 @@ extern json_spirit::Value importwallet(const json_spirit::Array& params, bool fH
extern json_spirit::Value getgenerate(const json_spirit::Array& params, bool fHelp); // in rpcmining.cpp
extern json_spirit::Value setgenerate(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value generate(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getnetworkhashps(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getmininginfo(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value prioritisetransaction(const json_spirit::Array& params, bool fHelp);

27
src/test/miner_tests.cpp
View file

@ -62,7 +62,8 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
Checkpoints::fEnabled = false;
// Simple block creation, nothing special yet:
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
CBlockIndex* pindexPrev;
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
// We can't make transactions until we have inputs
// Therefore, load 100 blocks :)
@ -90,7 +91,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
delete pblocktemplate;
// Just to make sure we can still make simple blocks
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
// block sigops > limit: 1000 CHECKMULTISIG + 1
@ -108,7 +109,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, CTxMemPoolEntry(tx, 11, GetTime(), 111.0, 11));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
mempool.clear();
@ -128,14 +129,14 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, CTxMemPoolEntry(tx, 11, GetTime(), 111.0, 11));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
mempool.clear();
// orphan in mempool
hash = tx.GetHash();
mempool.addUnchecked(hash, CTxMemPoolEntry(tx, 11, GetTime(), 111.0, 11));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
mempool.clear();
@ -153,7 +154,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue = 5900000000LL;
hash = tx.GetHash();
mempool.addUnchecked(hash, CTxMemPoolEntry(tx, 11, GetTime(), 111.0, 11));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
mempool.clear();
@ -164,7 +165,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue = 0;
hash = tx.GetHash();
mempool.addUnchecked(hash, CTxMemPoolEntry(tx, 11, GetTime(), 111.0, 11));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
mempool.clear();
@ -182,7 +183,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue -= 1000000;
hash = tx.GetHash();
mempool.addUnchecked(hash, CTxMemPoolEntry(tx, 11, GetTime(), 111.0, 11));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
mempool.clear();
@ -196,17 +197,17 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].scriptPubKey = CScript() << OP_2;
hash = tx.GetHash();
mempool.addUnchecked(hash, CTxMemPoolEntry(tx, 11, GetTime(), 111.0, 11));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
mempool.clear();
// subsidy changing
int nHeight = chainActive.Height();
chainActive.Tip()->nHeight = 209999;
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
chainActive.Tip()->nHeight = 210000;
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
delete pblocktemplate;
chainActive.Tip()->nHeight = nHeight;
@ -238,7 +239,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, CTxMemPoolEntry(tx2, 11, GetTime(), 111.0, 11));
BOOST_CHECK(!IsFinalTx(tx2));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
// Neither tx should have make it into the template.
BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 1);
@ -251,7 +252,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
BOOST_CHECK(IsFinalTx(tx, chainActive.Tip()->nHeight + 1));
BOOST_CHECK(IsFinalTx(tx2));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey, pindexPrev));
BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 3);
delete pblocktemplate;