Remove dead service bits code
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b05ded1764
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3 changed files with 1 additions and 39 deletions
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@ -1630,17 +1630,6 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
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return false;
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}
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if (nServices & ((1 << 7) | (1 << 5))) {
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if (GetTime() < 1533096000) {
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// Immediately disconnect peers that use service bits 6 or 8 until August 1st, 2018
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// These bits have been used as a flag to indicate that a node is running incompatible
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// consensus rules instead of changing the network magic, so we're stuck disconnecting
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// based on these service bits, at least for a while.
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pfrom->fDisconnect = true;
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return false;
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}
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}
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if (nVersion < MIN_PEER_PROTO_VERSION)
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{
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// disconnect from peers older than this proto version
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@ -8,11 +8,7 @@ A node should never send anything other than VERSION/VERACK/REJECT until it's
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received a VERACK.
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This test connects to a node and sends it a few messages, trying to entice it
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into sending us something it shouldn't.
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Also test that nodes that send unsupported service bits to bitcoind are disconnected
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and don't receive a VERACK. Unsupported service bits are currently 1 << 5 and
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1 << 7 (until August 1st 2018)."""
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into sending us something it shouldn't."""
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from test_framework.mininode import *
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from test_framework.test_framework import BitcoinTestFramework
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@ -95,19 +91,13 @@ class P2PLeakTest(BitcoinTestFramework):
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self.extra_args = [['-banscore='+str(banscore)]]
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def run_test(self):
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self.nodes[0].setmocktime(1501545600) # August 1st 2017
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no_version_bannode = self.nodes[0].add_p2p_connection(CNodeNoVersionBan(), send_version=False)
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no_version_idlenode = self.nodes[0].add_p2p_connection(CNodeNoVersionIdle(), send_version=False)
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no_verack_idlenode = self.nodes[0].add_p2p_connection(CNodeNoVerackIdle())
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unsupported_service_bit5_node = self.nodes[0].add_p2p_connection(CLazyNode(), services=NODE_NETWORK|NODE_UNSUPPORTED_SERVICE_BIT_5)
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unsupported_service_bit7_node = self.nodes[0].add_p2p_connection(CLazyNode(), services=NODE_NETWORK|NODE_UNSUPPORTED_SERVICE_BIT_7)
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wait_until(lambda: no_version_bannode.ever_connected, timeout=10, lock=mininode_lock)
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wait_until(lambda: no_version_idlenode.ever_connected, timeout=10, lock=mininode_lock)
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wait_until(lambda: no_verack_idlenode.version_received, timeout=10, lock=mininode_lock)
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wait_until(lambda: unsupported_service_bit5_node.ever_connected, timeout=10, lock=mininode_lock)
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wait_until(lambda: unsupported_service_bit7_node.ever_connected, timeout=10, lock=mininode_lock)
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# Mine a block and make sure that it's not sent to the connected nodes
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self.nodes[0].generate(1)
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@ -118,10 +108,6 @@ class P2PLeakTest(BitcoinTestFramework):
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#This node should have been banned
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assert not no_version_bannode.is_connected
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# These nodes should have been disconnected
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assert not unsupported_service_bit5_node.is_connected
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assert not unsupported_service_bit7_node.is_connected
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self.nodes[0].disconnect_p2ps()
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# Wait until all connections are closed
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@ -131,17 +117,6 @@ class P2PLeakTest(BitcoinTestFramework):
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assert(no_version_bannode.unexpected_msg == False)
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assert(no_version_idlenode.unexpected_msg == False)
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assert(no_verack_idlenode.unexpected_msg == False)
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assert not unsupported_service_bit5_node.unexpected_msg
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assert not unsupported_service_bit7_node.unexpected_msg
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self.log.info("Service bits 5 and 7 are allowed after August 1st 2018")
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self.nodes[0].setmocktime(1533168000) # August 2nd 2018
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allowed_service_bit5_node = self.nodes[0].add_p2p_connection(P2PInterface(), services=NODE_NETWORK|NODE_UNSUPPORTED_SERVICE_BIT_5)
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allowed_service_bit7_node = self.nodes[0].add_p2p_connection(P2PInterface(), services=NODE_NETWORK|NODE_UNSUPPORTED_SERVICE_BIT_7)
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wait_until(lambda: allowed_service_bit5_node.message_count["verack"], lock=mininode_lock)
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wait_until(lambda: allowed_service_bit7_node.message_count["verack"], lock=mininode_lock)
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if __name__ == '__main__':
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@ -42,8 +42,6 @@ NODE_NETWORK = (1 << 0)
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# NODE_GETUTXO = (1 << 1)
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NODE_BLOOM = (1 << 2)
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NODE_WITNESS = (1 << 3)
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NODE_UNSUPPORTED_SERVICE_BIT_5 = (1 << 5)
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NODE_UNSUPPORTED_SERVICE_BIT_7 = (1 << 7)
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NODE_NETWORK_LIMITED = (1 << 10)
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MSG_TX = 1
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