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Merge #9619: Bugfix: RPC/Mining: GBT should return 1 MB sizelimit before segwit activates

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279f944 QA: Test GBT size/weight limit values (Luke Dashjr)
9fc7f0b Bugfix: RPC/Mining: GBT should return 1 MB sizelimit before segwit activates (Luke Dashjr)
This commit is contained in:
Wladimir J. van der Laan 2017-02-20 17:31:52 +01:00
commit aa791e2911
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GPG key ID: 74810B012346C9A6
2 changed files with 14 additions and 2 deletions
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8
qa/rpc-tests/segwit.py
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@ -130,10 +130,14 @@ class SegWitTest(BitcoinTestFramework):
print("Verify sigops are counted in GBT with pre-BIP141 rules before the fork")
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
tmpl = self.nodes[0].getblocktemplate({})
assert(tmpl['sizelimit'] == 1000000)
assert('weightlimit' not in tmpl)
assert(tmpl['sigoplimit'] == 20000)
assert(tmpl['transactions'][0]['hash'] == txid)
assert(tmpl['transactions'][0]['sigops'] == 2)
tmpl = self.nodes[0].getblocktemplate({'rules':['segwit']})
assert(tmpl['sizelimit'] == 1000000)
assert('weightlimit' not in tmpl)
assert(tmpl['sigoplimit'] == 20000)
assert(tmpl['transactions'][0]['hash'] == txid)
assert(tmpl['transactions'][0]['sigops'] == 2)
@ -241,6 +245,8 @@ class SegWitTest(BitcoinTestFramework):
print("Verify sigops are counted in GBT with BIP141 rules after the fork")
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
tmpl = self.nodes[0].getblocktemplate({'rules':['segwit']})
assert(tmpl['sizelimit'] >= 3999577) # actual maximum size is lower due to minimum mandatory non-witness data
assert(tmpl['weightlimit'] == 4000000)
assert(tmpl['sigoplimit'] == 80000)
assert(tmpl['transactions'][0]['txid'] == txid)
assert(tmpl['transactions'][0]['sigops'] == 8)
@ -250,6 +256,8 @@ class SegWitTest(BitcoinTestFramework):
try:
tmpl = self.nodes[0].getblocktemplate({})
assert(len(tmpl['transactions']) == 1) # Doesn't include witness tx
assert(tmpl['sizelimit'] == 1000000)
assert('weightlimit' not in tmpl)
assert(tmpl['sigoplimit'] == 20000)
assert(tmpl['transactions'][0]['hash'] == txid)
assert(tmpl['transactions'][0]['sigops'] == 2)

4
src/rpc/mining.cpp
View file

@ -676,8 +676,12 @@ UniValue getblocktemplate(const JSONRPCRequest& request)
nSigOpLimit /= WITNESS_SCALE_FACTOR;
}
result.push_back(Pair("sigoplimit", nSigOpLimit));
if (fPreSegWit) {
result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_BASE_SIZE));
} else {
result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_SERIALIZED_SIZE));
result.push_back(Pair("weightlimit", (int64_t)MAX_BLOCK_WEIGHT));
}
result.push_back(Pair("curtime", pblock->GetBlockTime()));
result.push_back(Pair("bits", strprintf("%08x", pblock->nBits)));
result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1)));