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-rw-r--r--src/rpc/blockchain.cpp12
-rwxr-xr-xtest/functional/interface_rest.py4
-rwxr-xr-xtest/functional/mempool_packages.py46
3 files changed, 58 insertions, 4 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 8007cebc37..f2a1fd048f 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -372,6 +372,9 @@ std::string EntryDescriptionString()
" \"wtxid\" : hash, (string) hash of serialized transaction, including witness data\n"
" \"depends\" : [ (array) unconfirmed transactions used as inputs for this transaction\n"
" \"transactionid\", (string) parent transaction id\n"
+ " ... ]\n"
+ " \"spentby\" : [ (array) unconfirmed transactions spending outputs from this transaction\n"
+ " \"transactionid\", (string) child transaction id\n"
" ... ]\n";
}
@@ -406,6 +409,15 @@ void entryToJSON(UniValue &info, const CTxMemPoolEntry &e)
}
info.pushKV("depends", depends);
+
+ UniValue spent(UniValue::VARR);
+ const CTxMemPool::txiter &it = mempool.mapTx.find(tx.GetHash());
+ const CTxMemPool::setEntries &setChildren = mempool.GetMemPoolChildren(it);
+ for (const CTxMemPool::txiter &childiter : setChildren) {
+ spent.push_back(childiter->GetTx().GetHash().ToString());
+ }
+
+ info.pushKV("spentby", spent);
}
UniValue mempoolToJSON(bool fVerbose)
diff --git a/test/functional/interface_rest.py b/test/functional/interface_rest.py
index 3e87f6d33f..8440f13a0d 100755
--- a/test/functional/interface_rest.py
+++ b/test/functional/interface_rest.py
@@ -296,8 +296,10 @@ class RESTTest (BitcoinTestFramework):
# check that there are our submitted transactions in the TX memory pool
json_string = http_get_call(url.hostname, url.port, '/rest/mempool/contents'+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
- for tx in txs:
+ for i, tx in enumerate(txs):
assert_equal(tx in json_obj, True)
+ assert_equal(json_obj[tx]['spentby'], txs[i+1:i+2])
+ assert_equal(json_obj[tx]['depends'], txs[i-1:i])
# now mine the transactions
newblockhash = self.nodes[1].generate(1)
diff --git a/test/functional/mempool_packages.py b/test/functional/mempool_packages.py
index 23797d83db..8880db8002 100755
--- a/test/functional/mempool_packages.py
+++ b/test/functional/mempool_packages.py
@@ -47,7 +47,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
value = sent_value
chain.append(txid)
- # Check mempool has MAX_ANCESTORS transactions in it, and descendant
+ # Check mempool has MAX_ANCESTORS transactions in it, and descendant and ancestor
# count and fees should look correct
mempool = self.nodes[0].getrawmempool(True)
assert_equal(len(mempool), MAX_ANCESTORS)
@@ -55,6 +55,10 @@ class MempoolPackagesTest(BitcoinTestFramework):
descendant_fees = 0
descendant_size = 0
+ ancestor_size = sum([mempool[tx]['size'] for tx in mempool])
+ ancestor_count = MAX_ANCESTORS
+ ancestor_fees = sum([mempool[tx]['fee'] for tx in mempool])
+
descendants = []
ancestors = list(chain)
for x in reversed(chain):
@@ -71,14 +75,43 @@ class MempoolPackagesTest(BitcoinTestFramework):
assert_equal(mempool[x]['descendantsize'], descendant_size)
descendant_count += 1
+ # Check that ancestor calculations are correct
+ assert_equal(mempool[x]['ancestorcount'], ancestor_count)
+ assert_equal(mempool[x]['ancestorfees'], ancestor_fees * COIN)
+ assert_equal(mempool[x]['ancestorsize'], ancestor_size)
+ ancestor_size -= mempool[x]['size']
+ ancestor_fees -= mempool[x]['fee']
+ ancestor_count -= 1
+
+ # Check that parent/child list is correct
+ assert_equal(mempool[x]['spentby'], descendants[-1:])
+ assert_equal(mempool[x]['depends'], ancestors[-2:-1])
+
# Check that getmempooldescendants is correct
assert_equal(sorted(descendants), sorted(self.nodes[0].getmempooldescendants(x)))
+
+ # Check getmempooldescendants verbose output is correct
+ for descendant, dinfo in self.nodes[0].getmempooldescendants(x, True).items():
+ assert_equal(dinfo['depends'], [chain[chain.index(descendant)-1]])
+ if dinfo['descendantcount'] > 1:
+ assert_equal(dinfo['spentby'], [chain[chain.index(descendant)+1]])
+ else:
+ assert_equal(dinfo['spentby'], [])
descendants.append(x)
# Check that getmempoolancestors is correct
ancestors.remove(x)
assert_equal(sorted(ancestors), sorted(self.nodes[0].getmempoolancestors(x)))
+ # Check that getmempoolancestors verbose output is correct
+ for ancestor, ainfo in self.nodes[0].getmempoolancestors(x, True).items():
+ assert_equal(ainfo['spentby'], [chain[chain.index(ancestor)+1]])
+ if ainfo['ancestorcount'] > 1:
+ assert_equal(ainfo['depends'], [chain[chain.index(ancestor)-1]])
+ else:
+ assert_equal(ainfo['depends'], [])
+
+
# Check that getmempoolancestors/getmempooldescendants correctly handle verbose=true
v_ancestors = self.nodes[0].getmempoolancestors(chain[-1], True)
assert_equal(len(v_ancestors), len(chain)-1)
@@ -100,7 +133,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
for x in chain:
ancestor_fees += mempool[x]['fee']
assert_equal(mempool[x]['ancestorfees'], ancestor_fees * COIN + 1000)
-
+
# Undo the prioritisetransaction for later tests
self.nodes[0].prioritisetransaction(txid=chain[0], fee_delta=-1000)
@@ -149,6 +182,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
vout = utxo[1]['vout']
transaction_package = []
+ tx_children = []
# First create one parent tx with 10 children
(txid, sent_value) = self.chain_transaction(self.nodes[0], txid, vout, value, fee, 10)
parent_transaction = txid
@@ -159,11 +193,17 @@ class MempoolPackagesTest(BitcoinTestFramework):
for i in range(MAX_DESCENDANTS - 1):
utxo = transaction_package.pop(0)
(txid, sent_value) = self.chain_transaction(self.nodes[0], utxo['txid'], utxo['vout'], utxo['amount'], fee, 10)
+ if utxo['txid'] is parent_transaction:
+ tx_children.append(txid)
for j in range(10):
transaction_package.append({'txid': txid, 'vout': j, 'amount': sent_value})
mempool = self.nodes[0].getrawmempool(True)
assert_equal(mempool[parent_transaction]['descendantcount'], MAX_DESCENDANTS)
+ assert_equal(sorted(mempool[parent_transaction]['spentby']), sorted(tx_children))
+
+ for child in tx_children:
+ assert_equal(mempool[child]['depends'], [parent_transaction])
# Sending one more chained transaction will fail
utxo = transaction_package.pop(0)
@@ -232,7 +272,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
signedtx = self.nodes[0].signrawtransactionwithwallet(rawtx)
txid = self.nodes[0].sendrawtransaction(signedtx['hex'])
sync_mempools(self.nodes)
-
+
# Now try to disconnect the tip on each node...
self.nodes[1].invalidateblock(self.nodes[1].getbestblockhash())
self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash())