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Merge bitcoin/bitcoin#28998: rpc: "addpeeraddress tried" return error on failure

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99954f914f test: fix test to ensure hidden RPC is present in detailed help (stratospher)
0d01f6f0c6 test: remove unused mocktime in test_addpeeraddress (0xb10c)
6205466512 rpc: "addpeeraddress tried" return error on failure (0xb10c)

Pull request description:

  When trying to add an address to the IP address manager tried table, it's first added to the new table and then moved to the tried table. Previously, adding a conflicting address to the address manager's tried table with test-only `addpeeraddress tried=true` RPC would return `{ "success": true }`. However, the address would not be added to the tried table, but would remain in the new table. This caused, e.g., issue #28964.

  This is fixed by new returning `{ "success":  false, "error": "..." }` for failed tried table additions. Since the address remaining in the new table can't be removed (the address manager interface does not support removing addresses at the moment and adding this seems to be a bigger effort), an error message is returned. This indicates to a user why the RPC failed and allows accounting for the extra address in the new table. This is done in the functional test for the `getrawaddrman` RPC.

  Fixes #28964

ACKs for top commit:
  achow101:
    ACK 99954f914f
  stratospher:
    reACK 99954f9. 🚀
  brunoerg:
    utACK 99954f914f

Tree-SHA512: 2f1299410c0582ebc2071271ba789a8abed905f9a510821f77afbcf2a555ec31397578ea55cbcd162fb828be27afedd3246c7b13ad8883f2f745bb8e04364a76
This commit is contained in:
Ava Chow 2024-03-22 14:07:25 -04:00
commit 2795e89cc5
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GPG key ID: 17565732E08E5E41
2 changed files with 50 additions and 20 deletions
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12
src/rpc/net.cpp
View file

@ -951,7 +951,7 @@ static RPCHelpMan getnodeaddresses()
static RPCHelpMan addpeeraddress()
{
return RPCHelpMan{"addpeeraddress",
"\nAdd the address of a potential peer to the address manager. This RPC is for testing only.\n",
"Add the address of a potential peer to an address manager table. This RPC is for testing only.",
{
{"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The IP address of the peer"},
{"port", RPCArg::Type::NUM, RPCArg::Optional::NO, "The port of the peer"},
@ -960,7 +960,8 @@ static RPCHelpMan addpeeraddress()
RPCResult{
RPCResult::Type::OBJ, "", "",
{
{RPCResult::Type::BOOL, "success", "whether the peer address was successfully added to the address manager"},
{RPCResult::Type::BOOL, "success", "whether the peer address was successfully added to the address manager table"},
{RPCResult::Type::STR, "error", /*optional=*/true, "error description, if the address could not be added"},
},
},
RPCExamples{
@ -989,8 +990,13 @@ static RPCHelpMan addpeeraddress()
success = true;
if (tried) {
// Attempt to move the address to the tried addresses table.
addrman.Good(address);
if (!addrman.Good(address)) {
success = false;
obj.pushKV("error", "failed-adding-to-tried");
}
}
} else {
obj.pushKV("error", "failed-adding-to-new");
}
}

58
test/functional/rpc_net.py
View file

@ -324,10 +324,10 @@ class NetTest(BitcoinTestFramework):
self.restart_node(1, ["-checkaddrman=1", "-test=addrman"], clear_addrman=True)
node = self.nodes[1]
self.log.debug("Test that addpeerinfo is a hidden RPC")
self.log.debug("Test that addpeeraddress is a hidden RPC")
# It is hidden from general help, but its detailed help may be called directly.
assert "addpeerinfo" not in node.help()
assert "addpeerinfo" in node.help("addpeerinfo")
assert "addpeeraddress" not in node.help()
assert "unknown command: addpeeraddress" not in node.help("addpeeraddress")
self.log.debug("Test that adding an empty address fails")
assert_equal(node.addpeeraddress(address="", port=8333), {"success": False})
@ -340,26 +340,50 @@ class NetTest(BitcoinTestFramework):
assert_raises_rpc_error(-1, "JSON integer out of range", self.nodes[0].addpeeraddress, address="1.2.3.4", port=-1)
assert_raises_rpc_error(-1, "JSON integer out of range", self.nodes[0].addpeeraddress, address="1.2.3.4", port=65536)
self.log.debug("Test that adding a valid address to the new table succeeds")
assert_equal(node.addpeeraddress(address="1.0.0.0", tried=False, port=8333), {"success": True})
addrman = node.getrawaddrman()
assert_equal(len(addrman["tried"]), 0)
new_table = list(addrman["new"].values())
assert_equal(len(new_table), 1)
assert_equal(new_table[0]["address"], "1.0.0.0")
assert_equal(new_table[0]["port"], 8333)
self.log.debug("Test that adding an already-present new address to the new and tried tables fails")
for value in [True, False]:
assert_equal(node.addpeeraddress(address="1.0.0.0", tried=value, port=8333), {"success": False, "error": "failed-adding-to-new"})
assert_equal(len(node.getnodeaddresses(count=0)), 1)
self.log.debug("Test that adding a valid address to the tried table succeeds")
self.addr_time = int(time.time())
node.setmocktime(self.addr_time)
assert_equal(node.addpeeraddress(address="1.2.3.4", tried=True, port=8333), {"success": True})
with node.assert_debug_log(expected_msgs=["CheckAddrman: new 0, tried 1, total 1 started"]):
addrs = node.getnodeaddresses(count=0) # getnodeaddresses re-runs the addrman checks
assert_equal(len(addrs), 1)
assert_equal(addrs[0]["address"], "1.2.3.4")
assert_equal(addrs[0]["port"], 8333)
addrman = node.getrawaddrman()
assert_equal(len(addrman["new"]), 1)
tried_table = list(addrman["tried"].values())
assert_equal(len(tried_table), 1)
assert_equal(tried_table[0]["address"], "1.2.3.4")
assert_equal(tried_table[0]["port"], 8333)
node.getnodeaddresses(count=0) # getnodeaddresses re-runs the addrman checks
self.log.debug("Test that adding an already-present tried address to the new and tried tables fails")
for value in [True, False]:
assert_equal(node.addpeeraddress(address="1.2.3.4", tried=value, port=8333), {"success": False})
assert_equal(len(node.getnodeaddresses(count=0)), 1)
assert_equal(node.addpeeraddress(address="1.2.3.4", tried=value, port=8333), {"success": False, "error": "failed-adding-to-new"})
assert_equal(len(node.getnodeaddresses(count=0)), 2)
self.log.debug("Test that adding a second address, this time to the new table, succeeds")
self.log.debug("Test that adding an address, which collides with the address in tried table, fails")
colliding_address = "1.2.5.45" # grinded address that produces a tried-table collision
assert_equal(node.addpeeraddress(address=colliding_address, tried=True, port=8333), {"success": False, "error": "failed-adding-to-tried"})
# When adding an address to the tried table, it's first added to the new table.
# As we fail to move it to the tried table, it remains in the new table.
addrman_info = node.getaddrmaninfo()
assert_equal(addrman_info["all_networks"]["tried"], 1)
assert_equal(addrman_info["all_networks"]["new"], 2)
self.log.debug("Test that adding an another address to the new table succeeds")
assert_equal(node.addpeeraddress(address="2.0.0.0", port=8333), {"success": True})
with node.assert_debug_log(expected_msgs=["CheckAddrman: new 1, tried 1, total 2 started"]):
addrs = node.getnodeaddresses(count=0) # getnodeaddresses re-runs the addrman checks
assert_equal(len(addrs), 2)
addrman_info = node.getaddrmaninfo()
assert_equal(addrman_info["all_networks"]["tried"], 1)
assert_equal(addrman_info["all_networks"]["new"], 3)
node.getnodeaddresses(count=0) # getnodeaddresses re-runs the addrman checks
def test_sendmsgtopeer(self):
node = self.nodes[0]
@ -428,7 +452,7 @@ class NetTest(BitcoinTestFramework):
self.log.debug("Test that getrawaddrman is a hidden RPC")
# It is hidden from general help, but its detailed help may be called directly.
assert "getrawaddrman" not in node.help()
assert "getrawaddrman" in node.help("getrawaddrman")
assert "unknown command: getrawaddrman" not in node.help("getrawaddrman")
def check_addr_information(result, expected):
"""Utility to compare a getrawaddrman result entry with an expected entry"""