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-rw-r--r--src/cryptonote_core/cryptonote_core.cpp39
-rwxr-xr-xtests/functional_tests/p2p.py19
2 files changed, 54 insertions, 4 deletions
diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index 3715440fe..f27bf8aba 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -1181,11 +1181,42 @@ namespace cryptonote
size_t core::get_block_sync_size(uint64_t height) const
{
static const uint64_t quick_height = m_nettype == TESTNET ? 801219 : m_nettype == MAINNET ? 1220516 : 0;
+ size_t res = 0;
if (block_sync_size > 0)
- return block_sync_size;
- if (height >= quick_height)
- return BLOCKS_SYNCHRONIZING_DEFAULT_COUNT;
- return BLOCKS_SYNCHRONIZING_DEFAULT_COUNT_PRE_V4;
+ res = block_sync_size;
+ else if (height >= quick_height)
+ res = BLOCKS_SYNCHRONIZING_DEFAULT_COUNT;
+ else
+ res = BLOCKS_SYNCHRONIZING_DEFAULT_COUNT_PRE_V4;
+
+ static size_t max_block_size = 0;
+ if (max_block_size == 0)
+ {
+ const char *env = getenv("SEEDHASH_EPOCH_BLOCKS");
+ if (env)
+ {
+ int n = atoi(env);
+ if (n <= 0)
+ n = BLOCKS_SYNCHRONIZING_MAX_COUNT;
+ size_t p = 1;
+ while (p < (size_t)n)
+ p <<= 1;
+ max_block_size = p;
+ }
+ else
+ max_block_size = BLOCKS_SYNCHRONIZING_MAX_COUNT;
+ }
+ if (res > max_block_size)
+ {
+ static bool warned = false;
+ if (!warned)
+ {
+ MWARNING("Clamping block sync size to " << max_block_size);
+ warned = true;
+ }
+ res = max_block_size;
+ }
+ return res;
}
//-----------------------------------------------------------------------------------------------
bool core::are_key_images_spent_in_pool(const std::vector<crypto::key_image>& key_im, std::vector<bool> &spent) const
diff --git a/tests/functional_tests/p2p.py b/tests/functional_tests/p2p.py
index f36e9c0b1..0b33411f9 100755
--- a/tests/functional_tests/p2p.py
+++ b/tests/functional_tests/p2p.py
@@ -139,6 +139,25 @@ class P2PTest():
assert res.height == height + 6
assert res.top_block_hash == daemon2_top_block_hash
+ # disconnect and mine a lot on daemon3
+ daemon2.out_peers(0)
+ daemon3.out_peers(0)
+ res = daemon3.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 500)
+
+ # reconnect and wait for sync
+ daemon2.out_peers(8)
+ daemon3.out_peers(8)
+ loops = 100
+ while True:
+ res2 = daemon2.get_info()
+ res3 = daemon3.get_info()
+ if res2.top_block_hash == res3.top_block_hash:
+ break
+ time.sleep(10)
+ loops -= 1
+ assert loops >= 0
+
+
def test_p2p_tx_propagation(self):
print('Testing P2P tx propagation')
daemon2 = Daemon(idx = 2)