scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error

-BEGIN VERIFY SCRIPT-
sed -i 's/assert_raises_jsonrpc/assert_raises_rpc_error/g' test/functional/*py test/functional/test_framework/*py
-END VERIFY SCRIPT-

Github-Pull: #10853
Rebased-From: 47ba8cf71e9a3a6f7452488fc9ab3b350f0fae36

33 files changed, 113 insertions, 113 deletions

diff --git a/test/functional/bip68-sequence.py b/test/functional/bip68-sequence.py
index 1391b9ed46..b3b5adf425 100755
--- a/test/functional/bip68-sequence.py
+++ b/test/functional/bip68-sequence.py
@@ -83,7 +83,7 @@ class BIP68Test(BitcoinTestFramework):
         tx2.vout = [CTxOut(int(value-self.relayfee*COIN), CScript([b'a']))]
         tx2.rehash()
 
-        assert_raises_jsonrpc(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, ToHex(tx2))
+        assert_raises_rpc_error(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, ToHex(tx2))
 
         # Setting the version back down to 1 should disable the sequence lock,
         # so this should be accepted.
@@ -180,7 +180,7 @@ class BIP68Test(BitcoinTestFramework):
 
             if (using_sequence_locks and not should_pass):
                 # This transaction should be rejected
-                assert_raises_jsonrpc(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, rawtx)
+                assert_raises_rpc_error(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, rawtx)
             else:
                 # This raw transaction should be accepted
                 self.nodes[0].sendrawtransaction(rawtx)
@@ -227,7 +227,7 @@ class BIP68Test(BitcoinTestFramework):
 
             if (orig_tx.hash in node.getrawmempool()):
                 # sendrawtransaction should fail if the tx is in the mempool
-                assert_raises_jsonrpc(-26, NOT_FINAL_ERROR, node.sendrawtransaction, ToHex(tx))
+                assert_raises_rpc_error(-26, NOT_FINAL_ERROR, node.sendrawtransaction, ToHex(tx))
             else:
                 # sendrawtransaction should succeed if the tx is not in the mempool
                 node.sendrawtransaction(ToHex(tx))
@@ -280,7 +280,7 @@ class BIP68Test(BitcoinTestFramework):
         tx5.vout[0].nValue += int(utxos[0]["amount"]*COIN)
         raw_tx5 = self.nodes[0].signrawtransaction(ToHex(tx5))["hex"]
 
-        assert_raises_jsonrpc(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, raw_tx5)
+        assert_raises_rpc_error(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, raw_tx5)
 
         # Test mempool-BIP68 consistency after reorg
         #
@@ -353,7 +353,7 @@ class BIP68Test(BitcoinTestFramework):
         tx3.vout = [CTxOut(int(tx2.vout[0].nValue - self.relayfee*COIN), CScript([b'a']))]
         tx3.rehash()
 
-        assert_raises_jsonrpc(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, ToHex(tx3))
+        assert_raises_rpc_error(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, ToHex(tx3))
 
         # make a block that violates bip68; ensure that the tip updates
         tip = int(self.nodes[0].getbestblockhash(), 16)
diff --git a/test/functional/blockchain.py b/test/functional/blockchain.py
index 50be9262e4..4c2997f8bd 100755
--- a/test/functional/blockchain.py
+++ b/test/functional/blockchain.py
@@ -25,7 +25,7 @@ from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
     assert_raises,
-    assert_raises_jsonrpc,
+    assert_raises_rpc_error,
     assert_is_hex_string,
     assert_is_hash_string,
 )
@@ -96,7 +96,7 @@ class BlockchainTest(BitcoinTestFramework):
     def _test_getblockheader(self):
         node = self.nodes[0]
 
-        assert_raises_jsonrpc(-5, "Block not found",
+        assert_raises_rpc_error(-5, "Block not found",
                               node.getblockheader, "nonsense")
 
         besthash = node.getbestblockhash()
diff --git a/test/functional/bumpfee.py b/test/functional/bumpfee.py
index ede0df29d8..c2aa75209c 100755
--- a/test/functional/bumpfee.py
+++ b/test/functional/bumpfee.py
@@ -133,7 +133,7 @@ def test_segwit_bumpfee_succeeds(rbf_node, dest_address):
 def test_nonrbf_bumpfee_fails(peer_node, dest_address):
     # cannot replace a non RBF transaction (from node which did not enable RBF)
     not_rbfid = peer_node.sendtoaddress(dest_address, Decimal("0.00090000"))
-    assert_raises_jsonrpc(-4, "not BIP 125 replaceable", peer_node.bumpfee, not_rbfid)
+    assert_raises_rpc_error(-4, "not BIP 125 replaceable", peer_node.bumpfee, not_rbfid)
 
 
 def test_notmine_bumpfee_fails(rbf_node, peer_node, dest_address):
@@ -153,7 +153,7 @@ def test_notmine_bumpfee_fails(rbf_node, peer_node, dest_address):
     signedtx = rbf_node.signrawtransaction(rawtx)
     signedtx = peer_node.signrawtransaction(signedtx["hex"])
     rbfid = rbf_node.sendrawtransaction(signedtx["hex"])
-    assert_raises_jsonrpc(-4, "Transaction contains inputs that don't belong to this wallet",
+    assert_raises_rpc_error(-4, "Transaction contains inputs that don't belong to this wallet",
                           rbf_node.bumpfee, rbfid)
 
 
@@ -164,7 +164,7 @@ def test_bumpfee_with_descendant_fails(rbf_node, rbf_node_address, dest_address)
     tx = rbf_node.createrawtransaction([{"txid": parent_id, "vout": 0}], {dest_address: 0.00020000})
     tx = rbf_node.signrawtransaction(tx)
     txid = rbf_node.sendrawtransaction(tx["hex"])
-    assert_raises_jsonrpc(-8, "Transaction has descendants in the wallet", rbf_node.bumpfee, parent_id)
+    assert_raises_rpc_error(-8, "Transaction has descendants in the wallet", rbf_node.bumpfee, parent_id)
 
 
 def test_small_output_fails(rbf_node, dest_address):
@@ -173,7 +173,7 @@ def test_small_output_fails(rbf_node, dest_address):
     rbf_node.bumpfee(rbfid, {"totalFee": 50000})
 
     rbfid = spend_one_input(rbf_node, dest_address)
-    assert_raises_jsonrpc(-4, "Change output is too small", rbf_node.bumpfee, rbfid, {"totalFee": 50001})
+    assert_raises_rpc_error(-4, "Change output is too small", rbf_node.bumpfee, rbfid, {"totalFee": 50001})
 
 
 def test_dust_to_fee(rbf_node, dest_address):
@@ -205,7 +205,7 @@ def test_rebumping(rbf_node, dest_address):
     # check that re-bumping the original tx fails, but bumping the bumper succeeds
     rbfid = spend_one_input(rbf_node, dest_address)
     bumped = rbf_node.bumpfee(rbfid, {"totalFee": 2000})
-    assert_raises_jsonrpc(-4, "already bumped", rbf_node.bumpfee, rbfid, {"totalFee": 3000})
+    assert_raises_rpc_error(-4, "already bumped", rbf_node.bumpfee, rbfid, {"totalFee": 3000})
     rbf_node.bumpfee(bumped["txid"], {"totalFee": 3000})
 
 
@@ -213,7 +213,7 @@ def test_rebumping_not_replaceable(rbf_node, dest_address):
     # check that re-bumping a non-replaceable bump tx fails
     rbfid = spend_one_input(rbf_node, dest_address)
     bumped = rbf_node.bumpfee(rbfid, {"totalFee": 10000, "replaceable": False})
-    assert_raises_jsonrpc(-4, "Transaction is not BIP 125 replaceable", rbf_node.bumpfee, bumped["txid"],
+    assert_raises_rpc_error(-4, "Transaction is not BIP 125 replaceable", rbf_node.bumpfee, bumped["txid"],
                           {"totalFee": 20000})
 
 
@@ -264,7 +264,7 @@ def test_bumpfee_metadata(rbf_node, dest_address):
 def test_locked_wallet_fails(rbf_node, dest_address):
     rbfid = spend_one_input(rbf_node, dest_address)
     rbf_node.walletlock()
-    assert_raises_jsonrpc(-13, "Please enter the wallet passphrase with walletpassphrase first.",
+    assert_raises_rpc_error(-13, "Please enter the wallet passphrase with walletpassphrase first.",
                           rbf_node.bumpfee, rbfid)
 
 
diff --git a/test/functional/disablewallet.py b/test/functional/disablewallet.py
index c1d37963bc..c75ef9b9f1 100755
--- a/test/functional/disablewallet.py
+++ b/test/functional/disablewallet.py
@@ -19,7 +19,7 @@ class DisableWalletTest (BitcoinTestFramework):
 
     def run_test (self):
         # Make sure wallet is really disabled
-        assert_raises_jsonrpc(-32601, 'Method not found', self.nodes[0].getwalletinfo)
+        assert_raises_rpc_error(-32601, 'Method not found', self.nodes[0].getwalletinfo)
         x = self.nodes[0].validateaddress('3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy')
         assert(x['isvalid'] == False)
         x = self.nodes[0].validateaddress('mneYUmWYsuk7kySiURxCi3AGxrAqZxLgPZ')
@@ -28,7 +28,7 @@ class DisableWalletTest (BitcoinTestFramework):
         # Checking mining to an address without a wallet. Generating to a valid address should succeed
         # but generating to an invalid address will fail.
         self.nodes[0].generatetoaddress(1, 'mneYUmWYsuk7kySiURxCi3AGxrAqZxLgPZ')
-        assert_raises_jsonrpc(-5, "Invalid address", self.nodes[0].generatetoaddress, 1, '3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy')
+        assert_raises_rpc_error(-5, "Invalid address", self.nodes[0].generatetoaddress, 1, '3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy')
 
 if __name__ == '__main__':
     DisableWalletTest ().main ()
diff --git a/test/functional/disconnect_ban.py b/test/functional/disconnect_ban.py
index a6445b9b35..59655d37fb 100755
--- a/test/functional/disconnect_ban.py
+++ b/test/functional/disconnect_ban.py
@@ -8,7 +8,7 @@ import time
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    assert_raises_jsonrpc,
+    assert_raises_rpc_error,
     connect_nodes_bi,
     wait_until,
 )
@@ -34,14 +34,14 @@ class DisconnectBanTest(BitcoinTestFramework):
 
         self.log.info("setban: fail to ban an already banned subnet")
         assert_equal(len(self.nodes[1].listbanned()), 1)
-        assert_raises_jsonrpc(-23, "IP/Subnet already banned", self.nodes[1].setban, "127.0.0.1", "add")
+        assert_raises_rpc_error(-23, "IP/Subnet already banned", self.nodes[1].setban, "127.0.0.1", "add")
 
         self.log.info("setban: fail to ban an invalid subnet")
-        assert_raises_jsonrpc(-30, "Error: Invalid IP/Subnet", self.nodes[1].setban, "127.0.0.1/42", "add")
+        assert_raises_rpc_error(-30, "Error: Invalid IP/Subnet", self.nodes[1].setban, "127.0.0.1/42", "add")
         assert_equal(len(self.nodes[1].listbanned()), 1)  # still only one banned ip because 127.0.0.1 is within the range of 127.0.0.0/24
 
         self.log.info("setban remove: fail to unban a non-banned subnet")
-        assert_raises_jsonrpc(-30, "Error: Unban failed", self.nodes[1].setban, "127.0.0.1", "remove")
+        assert_raises_rpc_error(-30, "Error: Unban failed", self.nodes[1].setban, "127.0.0.1", "remove")
         assert_equal(len(self.nodes[1].listbanned()), 1)
 
         self.log.info("setban remove: successfully unban subnet")
@@ -81,10 +81,10 @@ class DisconnectBanTest(BitcoinTestFramework):
         self.log.info("disconnectnode: fail to disconnect when calling with address and nodeid")
         address1 = self.nodes[0].getpeerinfo()[0]['addr']
         node1 = self.nodes[0].getpeerinfo()[0]['addr']
-        assert_raises_jsonrpc(-32602, "Only one of address and nodeid should be provided.", self.nodes[0].disconnectnode, address=address1, nodeid=node1)
+        assert_raises_rpc_error(-32602, "Only one of address and nodeid should be provided.", self.nodes[0].disconnectnode, address=address1, nodeid=node1)
 
         self.log.info("disconnectnode: fail to disconnect when calling with junk address")
-        assert_raises_jsonrpc(-29, "Node not found in connected nodes", self.nodes[0].disconnectnode, address="221B Baker Street")
+        assert_raises_rpc_error(-29, "Node not found in connected nodes", self.nodes[0].disconnectnode, address="221B Baker Street")
 
         self.log.info("disconnectnode: successfully disconnect node by address")
         address1 = self.nodes[0].getpeerinfo()[0]['addr']
diff --git a/test/functional/fundrawtransaction.py b/test/functional/fundrawtransaction.py
index 42d95dd520..1c4f269ec0 100755
--- a/test/functional/fundrawtransaction.py
+++ b/test/functional/fundrawtransaction.py
@@ -179,7 +179,7 @@ class RawTransactionsTest(BitcoinTestFramework):
         dec_tx  = self.nodes[2].decoderawtransaction(rawtx)
         assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
 
-        assert_raises_jsonrpc(-3, "Unexpected key foo", self.nodes[2].fundrawtransaction, rawtx, {'foo':'bar'})
+        assert_raises_rpc_error(-3, "Unexpected key foo", self.nodes[2].fundrawtransaction, rawtx, {'foo':'bar'})
 
         ############################################################
         # test a fundrawtransaction with an invalid change address #
@@ -192,7 +192,7 @@ class RawTransactionsTest(BitcoinTestFramework):
         dec_tx  = self.nodes[2].decoderawtransaction(rawtx)
         assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
 
-        assert_raises_jsonrpc(-5, "changeAddress must be a valid bitcoin address", self.nodes[2].fundrawtransaction, rawtx, {'changeAddress':'foobar'})
+        assert_raises_rpc_error(-5, "changeAddress must be a valid bitcoin address", self.nodes[2].fundrawtransaction, rawtx, {'changeAddress':'foobar'})
 
         ############################################################
         # test a fundrawtransaction with a provided change address #
@@ -206,7 +206,7 @@ class RawTransactionsTest(BitcoinTestFramework):
         assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
 
         change = self.nodes[2].getnewaddress()
-        assert_raises_jsonrpc(-8, "changePosition out of bounds", self.nodes[2].fundrawtransaction, rawtx, {'changeAddress':change, 'changePosition':2})
+        assert_raises_rpc_error(-8, "changePosition out of bounds", self.nodes[2].fundrawtransaction, rawtx, {'changeAddress':change, 'changePosition':2})
         rawtxfund = self.nodes[2].fundrawtransaction(rawtx, {'changeAddress': change, 'changePosition': 0})
         dec_tx  = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
         out = dec_tx['vout'][0]
@@ -315,7 +315,7 @@ class RawTransactionsTest(BitcoinTestFramework):
         rawtx   = self.nodes[2].createrawtransaction(inputs, outputs)
         dec_tx  = self.nodes[2].decoderawtransaction(rawtx)
 
-        assert_raises_jsonrpc(-4, "Insufficient funds", self.nodes[2].fundrawtransaction, rawtx)
+        assert_raises_rpc_error(-4, "Insufficient funds", self.nodes[2].fundrawtransaction, rawtx)
 
         ############################################################
         #compare fee of a standard pubkeyhash transaction
@@ -470,14 +470,14 @@ class RawTransactionsTest(BitcoinTestFramework):
         rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
         # fund a transaction that requires a new key for the change output
         # creating the key must be impossible because the wallet is locked
-        assert_raises_jsonrpc(-4, "Keypool ran out, please call keypoolrefill first", self.nodes[1].fundrawtransaction, rawtx)
+        assert_raises_rpc_error(-4, "Keypool ran out, please call keypoolrefill first", self.nodes[1].fundrawtransaction, rawtx)
 
         #refill the keypool
         self.nodes[1].walletpassphrase("test", 100)
         self.nodes[1].keypoolrefill(8) #need to refill the keypool to get an internal change address
         self.nodes[1].walletlock()
 
-        assert_raises_jsonrpc(-13, "walletpassphrase", self.nodes[1].sendtoaddress, self.nodes[0].getnewaddress(), 1.2)
+        assert_raises_rpc_error(-13, "walletpassphrase", self.nodes[1].sendtoaddress, self.nodes[0].getnewaddress(), 1.2)
 
         oldBalance = self.nodes[0].getbalance()
 
diff --git a/test/functional/import-rescan.py b/test/functional/import-rescan.py
index c7eb07ab12..955554204d 100755
--- a/test/functional/import-rescan.py
+++ b/test/functional/import-rescan.py
@@ -20,7 +20,7 @@ happened previously.
 """
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import (assert_raises_jsonrpc, connect_nodes, sync_blocks, assert_equal, set_node_times)
+from test_framework.util import (assert_raises_rpc_error, connect_nodes, sync_blocks, assert_equal, set_node_times)
 
 import collections
 import enum
@@ -36,7 +36,7 @@ class Variant(collections.namedtuple("Variant", "call data rescan prune")):
 
     def try_rpc(self, func, *args, **kwargs):
         if self.expect_disabled:
-            assert_raises_jsonrpc(-4, "Rescan is disabled in pruned mode", func, *args, **kwargs)
+            assert_raises_rpc_error(-4, "Rescan is disabled in pruned mode", func, *args, **kwargs)
         else:
             return func(*args, **kwargs)
 
diff --git a/test/functional/importmulti.py b/test/functional/importmulti.py
index f16c9ab97a..324f6458e3 100755
--- a/test/functional/importmulti.py
+++ b/test/functional/importmulti.py
@@ -448,11 +448,11 @@ class ImportMultiTest (BitcoinTestFramework):
 
         # Bad or missing timestamps
         self.log.info("Should throw on invalid or missing timestamp values")
-        assert_raises_jsonrpc(-3, 'Missing required timestamp field for key',
+        assert_raises_rpc_error(-3, 'Missing required timestamp field for key',
             self.nodes[1].importmulti, [{
                 "scriptPubKey": address['scriptPubKey'],
             }])
-        assert_raises_jsonrpc(-3, 'Expected number or "now" timestamp value for key. got type string',
+        assert_raises_rpc_error(-3, 'Expected number or "now" timestamp value for key. got type string',
             self.nodes[1].importmulti, [{
                 "scriptPubKey": address['scriptPubKey'],
                 "timestamp": "",
diff --git a/test/functional/importprunedfunds.py b/test/functional/importprunedfunds.py
index 996ff96cc3..c445b66df3 100755
--- a/test/functional/importprunedfunds.py
+++ b/test/functional/importprunedfunds.py
@@ -67,7 +67,7 @@ class ImportPrunedFundsTest(BitcoinTestFramework):
         self.sync_all()
 
         #Import with no affiliated address
-        assert_raises_jsonrpc(-5, "No addresses", self.nodes[1].importprunedfunds, rawtxn1, proof1)
+        assert_raises_rpc_error(-5, "No addresses", self.nodes[1].importprunedfunds, rawtxn1, proof1)
 
         balance1 = self.nodes[1].getbalance("", 0, True)
         assert_equal(balance1, Decimal(0))
@@ -98,7 +98,7 @@ class ImportPrunedFundsTest(BitcoinTestFramework):
         assert_equal(address_info['ismine'], True)
 
         #Remove transactions
-        assert_raises_jsonrpc(-8, "Transaction does not exist in wallet.", self.nodes[1].removeprunedfunds, txnid1)
+        assert_raises_rpc_error(-8, "Transaction does not exist in wallet.", self.nodes[1].removeprunedfunds, txnid1)
 
         balance1 = self.nodes[1].getbalance("*", 0, True)
         assert_equal(balance1, Decimal('0.075'))
diff --git a/test/functional/keypool.py b/test/functional/keypool.py
index b823ca63bb..f2701c36bd 100755
--- a/test/functional/keypool.py
+++ b/test/functional/keypool.py
@@ -28,7 +28,7 @@ class KeyPoolTest(BitcoinTestFramework):
         wallet_info = nodes[0].getwalletinfo()
         assert(addr_before_encrypting_data['hdmasterkeyid'] != wallet_info['hdmasterkeyid'])
         assert(addr_data['hdmasterkeyid'] == wallet_info['hdmasterkeyid'])
-        assert_raises_jsonrpc(-12, "Error: Keypool ran out, please call keypoolrefill first", nodes[0].getnewaddress)
+        assert_raises_rpc_error(-12, "Error: Keypool ran out, please call keypoolrefill first", nodes[0].getnewaddress)
 
         # put six (plus 2) new keys in the keypool (100% external-, +100% internal-keys, 1 in min)
         nodes[0].walletpassphrase('test', 12000)
@@ -47,7 +47,7 @@ class KeyPoolTest(BitcoinTestFramework):
         nodes[0].getrawchangeaddress()
         addr = set()
         # the next one should fail
-        assert_raises_jsonrpc(-12, "Keypool ran out", nodes[0].getrawchangeaddress)
+        assert_raises_rpc_error(-12, "Keypool ran out", nodes[0].getrawchangeaddress)
 
         # drain the external keys
         addr.add(nodes[0].getnewaddress())
@@ -58,7 +58,7 @@ class KeyPoolTest(BitcoinTestFramework):
         addr.add(nodes[0].getnewaddress())
         assert(len(addr) == 6)
         # the next one should fail
-        assert_raises_jsonrpc(-12, "Error: Keypool ran out, please call keypoolrefill first", nodes[0].getnewaddress)
+        assert_raises_rpc_error(-12, "Error: Keypool ran out, please call keypoolrefill first", nodes[0].getnewaddress)
 
         # refill keypool with three new addresses
         nodes[0].walletpassphrase('test', 1)
@@ -72,7 +72,7 @@ class KeyPoolTest(BitcoinTestFramework):
         nodes[0].generate(1)
         nodes[0].generate(1)
         nodes[0].generate(1)
-        assert_raises_jsonrpc(-12, "Keypool ran out", nodes[0].generate, 1)
+        assert_raises_rpc_error(-12, "Keypool ran out", nodes[0].generate, 1)
 
         nodes[0].walletpassphrase('test', 100)
         nodes[0].keypoolrefill(100)
diff --git a/test/functional/mempool_packages.py b/test/functional/mempool_packages.py
index 2dedadf8ce..6d3849bf57 100755
--- a/test/functional/mempool_packages.py
+++ b/test/functional/mempool_packages.py
@@ -115,7 +115,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
             assert_equal(mempool[x]['descendantfees'], descendant_fees * COIN + 1000)
 
         # Adding one more transaction on to the chain should fail.
-        assert_raises_jsonrpc(-26, "too-long-mempool-chain", self.chain_transaction, self.nodes[0], txid, vout, value, fee, 1)
+        assert_raises_rpc_error(-26, "too-long-mempool-chain", self.chain_transaction, self.nodes[0], txid, vout, value, fee, 1)
 
         # Check that prioritising a tx before it's added to the mempool works
         # First clear the mempool by mining a block.
@@ -167,7 +167,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
 
         # Sending one more chained transaction will fail
         utxo = transaction_package.pop(0)
-        assert_raises_jsonrpc(-26, "too-long-mempool-chain", self.chain_transaction, self.nodes[0], utxo['txid'], utxo['vout'], utxo['amount'], fee, 10)
+        assert_raises_rpc_error(-26, "too-long-mempool-chain", self.chain_transaction, self.nodes[0], utxo['txid'], utxo['vout'], utxo['amount'], fee, 10)
 
         # TODO: check that node1's mempool is as expected
 
diff --git a/test/functional/mempool_reorg.py b/test/functional/mempool_reorg.py
index 7dfddd3230..2803371f5b 100755
--- a/test/functional/mempool_reorg.py
+++ b/test/functional/mempool_reorg.py
@@ -50,14 +50,14 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
         timelock_tx = timelock_tx[:-8] + hex(self.nodes[0].getblockcount() + 2)[2:] + "000000"
         timelock_tx = self.nodes[0].signrawtransaction(timelock_tx)["hex"]
         # This will raise an exception because the timelock transaction is too immature to spend
-        assert_raises_jsonrpc(-26, "non-final", self.nodes[0].sendrawtransaction, timelock_tx)
+        assert_raises_rpc_error(-26, "non-final", self.nodes[0].sendrawtransaction, timelock_tx)
 
         # Broadcast and mine spend_102 and 103:
         spend_102_id = self.nodes[0].sendrawtransaction(spend_102_raw)
         spend_103_id = self.nodes[0].sendrawtransaction(spend_103_raw)
         self.nodes[0].generate(1)
         # Time-locked transaction is still too immature to spend
-        assert_raises_jsonrpc(-26,'non-final', self.nodes[0].sendrawtransaction, timelock_tx)
+        assert_raises_rpc_error(-26,'non-final', self.nodes[0].sendrawtransaction, timelock_tx)
 
         # Create 102_1 and 103_1:
         spend_102_1_raw = create_tx(self.nodes[0], spend_102_id, node1_address, 49.98)
diff --git a/test/functional/mempool_spendcoinbase.py b/test/functional/mempool_spendcoinbase.py
index 58ccd3e373..6e8a635a76 100755
--- a/test/functional/mempool_spendcoinbase.py
+++ b/test/functional/mempool_spendcoinbase.py
@@ -36,7 +36,7 @@ class MempoolSpendCoinbaseTest(BitcoinTestFramework):
         spend_101_id = self.nodes[0].sendrawtransaction(spends_raw[0])
 
         # coinbase at height 102 should be too immature to spend
-        assert_raises_jsonrpc(-26,"bad-txns-premature-spend-of-coinbase", self.nodes[0].sendrawtransaction, spends_raw[1])
+        assert_raises_rpc_error(-26,"bad-txns-premature-spend-of-coinbase", self.nodes[0].sendrawtransaction, spends_raw[1])
 
         # mempool should have just spend_101:
         assert_equal(self.nodes[0].getrawmempool(), [ spend_101_id ])
diff --git a/test/functional/merkle_blocks.py b/test/functional/merkle_blocks.py
index a58334b2a5..b3989a4c54 100755
--- a/test/functional/merkle_blocks.py
+++ b/test/functional/merkle_blocks.py
@@ -38,7 +38,7 @@ class MerkleBlockTest(BitcoinTestFramework):
         tx2 = self.nodes[0].createrawtransaction([node0utxos.pop()], {self.nodes[1].getnewaddress(): 49.99})
         txid2 = self.nodes[0].sendrawtransaction(self.nodes[0].signrawtransaction(tx2)["hex"])
         # This will raise an exception because the transaction is not yet in a block
-        assert_raises_jsonrpc(-5, "Transaction not yet in block", self.nodes[0].gettxoutproof, [txid1])
+        assert_raises_rpc_error(-5, "Transaction not yet in block", self.nodes[0].gettxoutproof, [txid1])
 
         self.nodes[0].generate(1)
         blockhash = self.nodes[0].getblockhash(chain_height + 1)
@@ -63,11 +63,11 @@ class MerkleBlockTest(BitcoinTestFramework):
         txid_unspent = txid1 if txin_spent["txid"] != txid1 else txid2
 
         # We can't find the block from a fully-spent tx
-        assert_raises_jsonrpc(-5, "Transaction not yet in block", self.nodes[2].gettxoutproof, [txid_spent])
+        assert_raises_rpc_error(-5, "Transaction not yet in block", self.nodes[2].gettxoutproof, [txid_spent])
         # We can get the proof if we specify the block
         assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid_spent], blockhash)), [txid_spent])
         # We can't get the proof if we specify a non-existent block
-        assert_raises_jsonrpc(-5, "Block not found", self.nodes[2].gettxoutproof, [txid_spent], "00000000000000000000000000000000")
+        assert_raises_rpc_error(-5, "Block not found", self.nodes[2].gettxoutproof, [txid_spent], "00000000000000000000000000000000")
         # We can get the proof if the transaction is unspent
         assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid_unspent])), [txid_unspent])
         # We can get the proof if we provide a list of transactions and one of them is unspent. The ordering of the list should not matter.
@@ -76,7 +76,7 @@ class MerkleBlockTest(BitcoinTestFramework):
         # We can always get a proof if we have a -txindex
         assert_equal(self.nodes[2].verifytxoutproof(self.nodes[3].gettxoutproof([txid_spent])), [txid_spent])
         # We can't get a proof if we specify transactions from different blocks
-        assert_raises_jsonrpc(-5, "Not all transactions found in specified or retrieved block", self.nodes[2].gettxoutproof, [txid1, txid3])
+        assert_raises_rpc_error(-5, "Not all transactions found in specified or retrieved block", self.nodes[2].gettxoutproof, [txid1, txid3])
 
 
 if __name__ == '__main__':
diff --git a/test/functional/mining.py b/test/functional/mining.py
index 93f9838896..085bdb568b 100755
--- a/test/functional/mining.py
+++ b/test/functional/mining.py
@@ -15,7 +15,7 @@ from decimal import Decimal
 from test_framework.blocktools import create_coinbase
 from test_framework.mininode import CBlock
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import assert_equal, assert_raises_jsonrpc
+from test_framework.util import assert_equal, assert_raises_rpc_error
 
 def b2x(b):
     return b2a_hex(b).decode('ascii')
@@ -69,7 +69,7 @@ class MiningTest(BitcoinTestFramework):
         assert_template(node, block, None)
 
         self.log.info("submitblock: Test block decode failure")
-        assert_raises_jsonrpc(-22, "Block decode failed", node.submitblock, b2x(block.serialize()[:-15]))
+        assert_raises_rpc_error(-22, "Block decode failed", node.submitblock, b2x(block.serialize()[:-15]))
 
         self.log.info("getblocktemplate: Test bad input hash for coinbase transaction")
         bad_block = copy.deepcopy(block)
@@ -78,10 +78,10 @@ class MiningTest(BitcoinTestFramework):
         assert_template(node, bad_block, 'bad-cb-missing')
 
         self.log.info("submitblock: Test invalid coinbase transaction")
-        assert_raises_jsonrpc(-22, "Block does not start with a coinbase", node.submitblock, b2x(bad_block.serialize()))
+        assert_raises_rpc_error(-22, "Block does not start with a coinbase", node.submitblock, b2x(bad_block.serialize()))
 
         self.log.info("getblocktemplate: Test truncated final transaction")
-        assert_raises_jsonrpc(-22, "Block decode failed", node.getblocktemplate, {'data': b2x(block.serialize()[:-1]), 'mode': 'proposal'})
+        assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {'data': b2x(block.serialize()[:-1]), 'mode': 'proposal'})
 
         self.log.info("getblocktemplate: Test duplicate transaction")
         bad_block = copy.deepcopy(block)
@@ -108,7 +108,7 @@ class MiningTest(BitcoinTestFramework):
         bad_block_sn = bytearray(block.serialize())
         assert_equal(bad_block_sn[TX_COUNT_OFFSET], 1)
         bad_block_sn[TX_COUNT_OFFSET] += 1
-        assert_raises_jsonrpc(-22, "Block decode failed", node.getblocktemplate, {'data': b2x(bad_block_sn), 'mode': 'proposal'})
+        assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {'data': b2x(bad_block_sn), 'mode': 'proposal'})
 
         self.log.info("getblocktemplate: Test bad bits")
         bad_block = copy.deepcopy(block)
diff --git a/test/functional/multiwallet.py b/test/functional/multiwallet.py
index b4e15a3322..6adcc1fd88 100755
--- a/test/functional/multiwallet.py
+++ b/test/functional/multiwallet.py
@@ -9,7 +9,7 @@ Verify that a bitcoind node can load multiple wallet files
 import os
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import assert_equal, assert_raises_jsonrpc
+from test_framework.util import assert_equal, assert_raises_rpc_error
 
 class MultiWalletTest(BitcoinTestFramework):
     def set_test_params(self):
@@ -43,10 +43,10 @@ class MultiWalletTest(BitcoinTestFramework):
         w1.generate(1)
 
         # accessing invalid wallet fails
-        assert_raises_jsonrpc(-18, "Requested wallet does not exist or is not loaded", wallet_bad.getwalletinfo)
+        assert_raises_rpc_error(-18, "Requested wallet does not exist or is not loaded", wallet_bad.getwalletinfo)
 
         # accessing wallet RPC without using wallet endpoint fails
-        assert_raises_jsonrpc(-19, "Wallet file not specified", self.nodes[0].getwalletinfo)
+        assert_raises_rpc_error(-19, "Wallet file not specified", self.nodes[0].getwalletinfo)
 
         # check w1 wallet balance
         w1_info = w1.getwalletinfo()
diff --git a/test/functional/net.py b/test/functional/net.py
index 37ea6824d5..61a5e1f2e9 100755
--- a/test/functional/net.py
+++ b/test/functional/net.py
@@ -12,7 +12,7 @@ import time
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    assert_raises_jsonrpc,
+    assert_raises_rpc_error,
     connect_nodes_bi,
     p2p_port,
 )
@@ -84,7 +84,7 @@ class NetTest(BitcoinTestFramework):
         assert_equal(len(added_nodes), 1)
         assert_equal(added_nodes[0]['addednode'], ip_port)
         # check that a non-existant node returns an error
-        assert_raises_jsonrpc(-24, "Node has not been added",
+        assert_raises_rpc_error(-24, "Node has not been added",
                               self.nodes[0].getaddednodeinfo, '1.1.1.1')
 
     def _test_getpeerinfo(self):
diff --git a/test/functional/nulldummy.py b/test/functional/nulldummy.py
index 60d0d876df..91c4550653 100755
--- a/test/functional/nulldummy.py
+++ b/test/functional/nulldummy.py
@@ -71,7 +71,7 @@ class NULLDUMMYTest(BitcoinTestFramework):
         self.log.info("Test 2: Non-NULLDUMMY base multisig transaction should not be accepted to mempool before activation")
         test2tx = self.create_transaction(self.nodes[0], txid2, self.ms_address, 47)
         trueDummy(test2tx)
-        assert_raises_jsonrpc(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test2tx.serialize_with_witness()), True)
+        assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test2tx.serialize_with_witness()), True)
 
         self.log.info("Test 3: Non-NULLDUMMY base transactions should be accepted in a block before activation [431]")
         self.block_submit(self.nodes[0], [test2tx], False, True)
@@ -80,14 +80,14 @@ class NULLDUMMYTest(BitcoinTestFramework):
         test4tx = self.create_transaction(self.nodes[0], test2tx.hash, self.address, 46)
         test6txs=[CTransaction(test4tx)]
         trueDummy(test4tx)
-        assert_raises_jsonrpc(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test4tx.serialize_with_witness()), True)
+        assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test4tx.serialize_with_witness()), True)
         self.block_submit(self.nodes[0], [test4tx])
 
         self.log.info("Test 5: Non-NULLDUMMY P2WSH multisig transaction invalid after activation")
         test5tx = self.create_transaction(self.nodes[0], txid3, self.wit_address, 48)
         test6txs.append(CTransaction(test5tx))
         test5tx.wit.vtxinwit[0].scriptWitness.stack[0] = b'\x01'
-        assert_raises_jsonrpc(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test5tx.serialize_with_witness()), True)
+        assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test5tx.serialize_with_witness()), True)
         self.block_submit(self.nodes[0], [test5tx], True)
 
         self.log.info("Test 6: NULLDUMMY compliant base/witness transactions should be accepted to mempool and in block after activation [432]")
diff --git a/test/functional/p2p-acceptblock.py b/test/functional/p2p-acceptblock.py
index 293bc05539..5b6429b410 100755
--- a/test/functional/p2p-acceptblock.py
+++ b/test/functional/p2p-acceptblock.py
@@ -171,7 +171,7 @@ class AcceptBlockTest(BitcoinTestFramework):
         # Blocks 1-287 should be accepted, block 288 should be ignored because it's too far ahead
         for x in all_blocks[:-1]:
             self.nodes[0].getblock(x.hash)
-        assert_raises_jsonrpc(-1, "Block not found on disk", self.nodes[0].getblock, all_blocks[-1].hash)
+        assert_raises_rpc_error(-1, "Block not found on disk", self.nodes[0].getblock, all_blocks[-1].hash)
 
         headers_message.headers.pop() # Ensure the last block is unrequested
         white_node.send_message(headers_message) # Send headers leading to tip
diff --git a/test/functional/prioritise_transaction.py b/test/functional/prioritise_transaction.py
index 7ad368acd4..bb56db9b40 100755
--- a/test/functional/prioritise_transaction.py
+++ b/test/functional/prioritise_transaction.py
@@ -101,7 +101,7 @@ class PrioritiseTransactionTest(BitcoinTestFramework):
         tx_id = self.nodes[0].decoderawtransaction(tx_hex)["txid"]
 
         # This will raise an exception due to min relay fee not being met
-        assert_raises_jsonrpc(-26, "66: min relay fee not met", self.nodes[0].sendrawtransaction, tx_hex)
+        assert_raises_rpc_error(-26, "66: min relay fee not met", self.nodes[0].sendrawtransaction, tx_hex)
         assert(tx_id not in self.nodes[0].getrawmempool())
 
         # This is a less than 1000-byte transaction, so just set the fee
diff --git a/test/functional/pruning.py b/test/functional/pruning.py
index a4afbd46d7..1b0f0ba1cd 100755
--- a/test/functional/pruning.py
+++ b/test/functional/pruning.py
@@ -185,7 +185,7 @@ class PruneTest(BitcoinTestFramework):
 
     def reorg_back(self):
         # Verify that a block on the old main chain fork has been pruned away
-        assert_raises_jsonrpc(-1, "Block not available (pruned data)", self.nodes[2].getblock, self.forkhash)
+        assert_raises_rpc_error(-1, "Block not available (pruned data)", self.nodes[2].getblock, self.forkhash)
         self.log.info("Will need to redownload block %d" % self.forkheight)
 
         # Verify that we have enough history to reorg back to the fork point
@@ -232,7 +232,7 @@ class PruneTest(BitcoinTestFramework):
         self.start_node(node_number)
         node = self.nodes[node_number]
         assert_equal(node.getblockcount(), 995)
-        assert_raises_jsonrpc(-1, "not in prune mode", node.pruneblockchain, 500)
+        assert_raises_rpc_error(-1, "not in prune mode", node.pruneblockchain, 500)
 
         # now re-start in manual pruning mode
         self.stop_node(node_number)
@@ -265,14 +265,14 @@ class PruneTest(BitcoinTestFramework):
             return os.path.isfile(self.options.tmpdir + "/node{}/regtest/blocks/blk{:05}.dat".format(node_number, index))
 
         # should not prune because chain tip of node 3 (995) < PruneAfterHeight (1000)
-        assert_raises_jsonrpc(-1, "Blockchain is too short for pruning", node.pruneblockchain, height(500))
+        assert_raises_rpc_error(-1, "Blockchain is too short for pruning", node.pruneblockchain, height(500))
 
         # mine 6 blocks so we are at height 1001 (i.e., above PruneAfterHeight)
         node.generate(6)
         assert_equal(node.getblockchaininfo()["blocks"], 1001)
 
         # negative heights should raise an exception
-        assert_raises_jsonrpc(-8, "Negative", node.pruneblockchain, -10)
+        assert_raises_rpc_error(-8, "Negative", node.pruneblockchain, -10)
 
         # height=100 too low to prune first block file so this is a no-op
         prune(100)
diff --git a/test/functional/rawtransactions.py b/test/functional/rawtransactions.py
index 51dda09ac4..ec9467eb44 100755
--- a/test/functional/rawtransactions.py
+++ b/test/functional/rawtransactions.py
@@ -48,7 +48,7 @@ class RawTransactionsTest(BitcoinTestFramework):
         rawtx   = self.nodes[2].signrawtransaction(rawtx)
 
         # This will raise an exception since there are missing inputs
-        assert_raises_jsonrpc(-25, "Missing inputs", self.nodes[2].sendrawtransaction, rawtx['hex'])
+        assert_raises_rpc_error(-25, "Missing inputs", self.nodes[2].sendrawtransaction, rawtx['hex'])
 
         #########################
         # RAW TX MULTISIG TESTS #
@@ -190,13 +190,13 @@ class RawTransactionsTest(BitcoinTestFramework):
         assert_equal(self.nodes[0].getrawtransaction(txHash, True)["hex"], rawTxSigned['hex'])
 
         # 6. invalid parameters - supply txid and string "Flase"
-        assert_raises_jsonrpc(-3,"Invalid type", self.nodes[0].getrawtransaction, txHash, "Flase")
+        assert_raises_rpc_error(-3,"Invalid type", self.nodes[0].getrawtransaction, txHash, "Flase")
 
         # 7. invalid parameters - supply txid and empty array
-        assert_raises_jsonrpc(-3,"Invalid type", self.nodes[0].getrawtransaction, txHash, [])
+        assert_raises_rpc_error(-3,"Invalid type", self.nodes[0].getrawtransaction, txHash, [])
 
         # 8. invalid parameters - supply txid and empty dict
-        assert_raises_jsonrpc(-3,"Invalid type", self.nodes[0].getrawtransaction, txHash, {})
+        assert_raises_rpc_error(-3,"Invalid type", self.nodes[0].getrawtransaction, txHash, {})
 
         inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 1000}]
         outputs = { self.nodes[0].getnewaddress() : 1 }
@@ -207,12 +207,12 @@ class RawTransactionsTest(BitcoinTestFramework):
         # 9. invalid parameters - sequence number out of range
         inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : -1}]
         outputs = { self.nodes[0].getnewaddress() : 1 }
-        assert_raises_jsonrpc(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
+        assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
 
         # 10. invalid parameters - sequence number out of range
         inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967296}]
         outputs = { self.nodes[0].getnewaddress() : 1 }
-        assert_raises_jsonrpc(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
+        assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
 
         inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967294}]
         outputs = { self.nodes[0].getnewaddress() : 1 }
diff --git a/test/functional/replace-by-fee.py b/test/functional/replace-by-fee.py
index 1fd7c91278..4ef10e6b36 100755
--- a/test/functional/replace-by-fee.py
+++ b/test/functional/replace-by-fee.py
@@ -136,9 +136,9 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx1b_hex = txToHex(tx1b)
 
         # This will raise an exception due to insufficient fee
-        assert_raises_jsonrpc(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx1b_hex, True)
+        assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx1b_hex, True)
         # This will raise an exception due to transaction replacement being disabled
-        assert_raises_jsonrpc(-26, "txn-mempool-conflict", self.nodes[1].sendrawtransaction, tx1b_hex, True)
+        assert_raises_rpc_error(-26, "txn-mempool-conflict", self.nodes[1].sendrawtransaction, tx1b_hex, True)
 
         # Extra 0.1 BTC fee
         tx1b = CTransaction()
@@ -146,7 +146,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx1b.vout = [CTxOut(int(0.9*COIN), CScript([b'b']))]
         tx1b_hex = txToHex(tx1b)
         # Replacement still disabled even with "enough fee"
-        assert_raises_jsonrpc(-26, "txn-mempool-conflict", self.nodes[1].sendrawtransaction, tx1b_hex, True)
+        assert_raises_rpc_error(-26, "txn-mempool-conflict", self.nodes[1].sendrawtransaction, tx1b_hex, True)
         # Works when enabled
         tx1b_txid = self.nodes[0].sendrawtransaction(tx1b_hex, True)
 
@@ -189,7 +189,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         dbl_tx_hex = txToHex(dbl_tx)
 
         # This will raise an exception due to insufficient fee
-        assert_raises_jsonrpc(-26, "insufficient fee", self.nodes[0].sendrawtransaction, dbl_tx_hex, True)
+        assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, dbl_tx_hex, True)
 
         # Accepted with sufficient fee
         dbl_tx = CTransaction()
@@ -250,7 +250,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         dbl_tx.vout = [CTxOut(initial_nValue - fee*n, CScript([1]))]
         dbl_tx_hex = txToHex(dbl_tx)
         # This will raise an exception due to insufficient fee
-        assert_raises_jsonrpc(-26, "insufficient fee", self.nodes[0].sendrawtransaction, dbl_tx_hex, True)
+        assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, dbl_tx_hex, True)
 
         # 1 BTC fee is enough
         dbl_tx = CTransaction()
@@ -278,7 +278,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
             dbl_tx.vout = [CTxOut(initial_nValue - 2*fee*n, CScript([1]))]
             dbl_tx_hex = txToHex(dbl_tx)
             # This will raise an exception
-            assert_raises_jsonrpc(-26, "too many potential replacements", self.nodes[0].sendrawtransaction, dbl_tx_hex, True)
+            assert_raises_rpc_error(-26, "too many potential replacements", self.nodes[0].sendrawtransaction, dbl_tx_hex, True)
 
             for tx in tree_txs:
                 tx.rehash()
@@ -302,7 +302,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx1b_hex = txToHex(tx1b)
 
         # This will raise an exception due to insufficient fee
-        assert_raises_jsonrpc(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx1b_hex, True)
+        assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx1b_hex, True)
 
     def test_spends_of_conflicting_outputs(self):
         """Replacements that spend conflicting tx outputs are rejected"""
@@ -325,7 +325,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx2_hex = txToHex(tx2)
 
         # This will raise an exception
-        assert_raises_jsonrpc(-26, "bad-txns-spends-conflicting-tx", self.nodes[0].sendrawtransaction, tx2_hex, True)
+        assert_raises_rpc_error(-26, "bad-txns-spends-conflicting-tx", self.nodes[0].sendrawtransaction, tx2_hex, True)
 
         # Spend tx1a's output to test the indirect case.
         tx1b = CTransaction()
@@ -342,7 +342,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx2_hex = txToHex(tx2)
 
         # This will raise an exception
-        assert_raises_jsonrpc(-26, "bad-txns-spends-conflicting-tx", self.nodes[0].sendrawtransaction, tx2_hex, True)
+        assert_raises_rpc_error(-26, "bad-txns-spends-conflicting-tx", self.nodes[0].sendrawtransaction, tx2_hex, True)
 
     def test_new_unconfirmed_inputs(self):
         """Replacements that add new unconfirmed inputs are rejected"""
@@ -361,7 +361,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx2_hex = txToHex(tx2)
 
         # This will raise an exception
-        assert_raises_jsonrpc(-26, "replacement-adds-unconfirmed", self.nodes[0].sendrawtransaction, tx2_hex, True)
+        assert_raises_rpc_error(-26, "replacement-adds-unconfirmed", self.nodes[0].sendrawtransaction, tx2_hex, True)
 
     def test_too_many_replacements(self):
         """Replacements that evict too many transactions are rejected"""
@@ -407,7 +407,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         double_tx_hex = txToHex(double_tx)
 
         # This will raise an exception
-        assert_raises_jsonrpc(-26, "too many potential replacements", self.nodes[0].sendrawtransaction, double_tx_hex, True)
+        assert_raises_rpc_error(-26, "too many potential replacements", self.nodes[0].sendrawtransaction, double_tx_hex, True)
 
         # If we remove an input, it should pass
         double_tx = CTransaction()
@@ -434,7 +434,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx1b_hex = txToHex(tx1b)
 
         # This will raise an exception
-        assert_raises_jsonrpc(-26, "txn-mempool-conflict", self.nodes[0].sendrawtransaction, tx1b_hex, True)
+        assert_raises_rpc_error(-26, "txn-mempool-conflict", self.nodes[0].sendrawtransaction, tx1b_hex, True)
 
         tx1_outpoint = make_utxo(self.nodes[0], int(1.1*COIN))
 
@@ -452,7 +452,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx2b_hex = txToHex(tx2b)
 
         # This will raise an exception
-        assert_raises_jsonrpc(-26, "txn-mempool-conflict", self.nodes[0].sendrawtransaction, tx2b_hex, True)
+        assert_raises_rpc_error(-26, "txn-mempool-conflict", self.nodes[0].sendrawtransaction, tx2b_hex, True)
 
         # Now create a new transaction that spends from tx1a and tx2a
         # opt-in on one of the inputs
@@ -504,7 +504,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx1b_hex = txToHex(tx1b)
 
         # Verify tx1b cannot replace tx1a.
-        assert_raises_jsonrpc(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx1b_hex, True)
+        assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx1b_hex, True)
 
         # Use prioritisetransaction to set tx1a's fee to 0.
         self.nodes[0].prioritisetransaction(txid=tx1a_txid, fee_delta=int(-0.1*COIN))
@@ -531,7 +531,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
         tx2b_hex = txToHex(tx2b)
 
         # Verify tx2b cannot replace tx2a.
-        assert_raises_jsonrpc(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx2b_hex, True)
+        assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx2b_hex, True)
 
         # Now prioritise tx2b to have a higher modified fee
         self.nodes[0].prioritisetransaction(txid=tx2b.hash, fee_delta=int(0.1*COIN))
diff --git a/test/functional/resendwallettransactions.py b/test/functional/resendwallettransactions.py
index d6ba591391..d959bb4c38 100755
--- a/test/functional/resendwallettransactions.py
+++ b/test/functional/resendwallettransactions.py
@@ -5,7 +5,7 @@
 """Test resendwallettransactions RPC."""
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import assert_equal, assert_raises_jsonrpc
+from test_framework.util import assert_equal, assert_raises_rpc_error
 
 class ResendWalletTransactionsTest(BitcoinTestFramework):
     def set_test_params(self):
@@ -14,7 +14,7 @@ class ResendWalletTransactionsTest(BitcoinTestFramework):
 
     def run_test(self):
         # Should raise RPC_WALLET_ERROR (-4) if walletbroadcast is disabled.
-        assert_raises_jsonrpc(-4, "Error: Wallet transaction broadcasting is disabled with -walletbroadcast", self.nodes[0].resendwallettransactions)
+        assert_raises_rpc_error(-4, "Error: Wallet transaction broadcasting is disabled with -walletbroadcast", self.nodes[0].resendwallettransactions)
 
         # Should return an empty array if there aren't unconfirmed wallet transactions.
         self.stop_node(0)
diff --git a/test/functional/rpcbind_test.py b/test/functional/rpcbind_test.py
index 0cf64beebd..0e8c3fa209 100755
--- a/test/functional/rpcbind_test.py
+++ b/test/functional/rpcbind_test.py
@@ -101,7 +101,7 @@ class RPCBindTest(BitcoinTestFramework):
 
         # Check that with invalid rpcallowip, we are denied
         self.run_allowip_test([non_loopback_ip], non_loopback_ip, defaultport)
-        assert_raises_jsonrpc(-342, "non-JSON HTTP response with '403 Forbidden' from server", self.run_allowip_test, ['1.1.1.1'], non_loopback_ip, defaultport)
+        assert_raises_rpc_error(-342, "non-JSON HTTP response with '403 Forbidden' from server", self.run_allowip_test, ['1.1.1.1'], non_loopback_ip, defaultport)
 
 if __name__ == '__main__':
     RPCBindTest().main()
diff --git a/test/functional/rpcnamedargs.py b/test/functional/rpcnamedargs.py
index da61cc66e6..0fb0a62afd 100755
--- a/test/functional/rpcnamedargs.py
+++ b/test/functional/rpcnamedargs.py
@@ -7,7 +7,7 @@
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    assert_raises_jsonrpc,
+    assert_raises_rpc_error,
 )
 
 class NamedArgumentTest(BitcoinTestFramework):
@@ -19,7 +19,7 @@ class NamedArgumentTest(BitcoinTestFramework):
         h = node.help(command='getinfo')
         assert(h.startswith('getinfo\n'))
 
-        assert_raises_jsonrpc(-8, 'Unknown named parameter', node.help, random='getinfo')
+        assert_raises_rpc_error(-8, 'Unknown named parameter', node.help, random='getinfo')
 
         h = node.getblockhash(height=0)
         node.getblock(blockhash=h)
diff --git a/test/functional/segwit.py b/test/functional/segwit.py
index 7571bd1a37..7cd87e5626 100755
--- a/test/functional/segwit.py
+++ b/test/functional/segwit.py
@@ -100,11 +100,11 @@ class SegWitTest(BitcoinTestFramework):
         sync_blocks(self.nodes)
 
     def fail_accept(self, node, error_msg, txid, sign, redeem_script=""):
-        assert_raises_jsonrpc(-26, error_msg, send_to_witness, 1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
+        assert_raises_rpc_error(-26, error_msg, send_to_witness, 1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
 
     def fail_mine(self, node, txid, sign, redeem_script=""):
         send_to_witness(1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
-        assert_raises_jsonrpc(-1, "CreateNewBlock: TestBlockValidity failed", node.generate, 1)
+        assert_raises_rpc_error(-1, "CreateNewBlock: TestBlockValidity failed", node.generate, 1)
         sync_blocks(self.nodes)
 
     def run_test(self):
@@ -456,7 +456,7 @@ class SegWitTest(BitcoinTestFramework):
         # addwitnessaddress should refuse to return a witness address if an uncompressed key is used
         # note that no witness address should be returned by unsolvable addresses
         for i in uncompressed_spendable_address + uncompressed_solvable_address + unknown_address + unsolvable_address:
-            assert_raises_jsonrpc(-4, "Public key or redeemscript not known to wallet, or the key is uncompressed", self.nodes[0].addwitnessaddress, i)
+            assert_raises_rpc_error(-4, "Public key or redeemscript not known to wallet, or the key is uncompressed", self.nodes[0].addwitnessaddress, i)
 
         # addwitnessaddress should return a witness addresses even if keys are not in the wallet
         self.nodes[0].addwitnessaddress(multisig_without_privkey_address)
@@ -539,7 +539,7 @@ class SegWitTest(BitcoinTestFramework):
         # premature_witaddress are not accepted until the script is added with addwitnessaddress first
         for i in uncompressed_spendable_address + uncompressed_solvable_address + premature_witaddress:
             # This will raise an exception
-            assert_raises_jsonrpc(-4, "Public key or redeemscript not known to wallet, or the key is uncompressed", self.nodes[0].addwitnessaddress, i)
+            assert_raises_rpc_error(-4, "Public key or redeemscript not known to wallet, or the key is uncompressed", self.nodes[0].addwitnessaddress, i)
 
         # after importaddress it should pass addwitnessaddress
         v = self.nodes[0].validateaddress(compressed_solvable_address[1])
diff --git a/test/functional/signrawtransactions.py b/test/functional/signrawtransactions.py
index 00a58e108e..9a45d53cb8 100755
--- a/test/functional/signrawtransactions.py
+++ b/test/functional/signrawtransactions.py
@@ -82,7 +82,7 @@ class SignRawTransactionsTest(BitcoinTestFramework):
             assert_equal(decodedRawTx["vin"][i]["vout"], inp["vout"])
 
         # Make sure decoderawtransaction throws if there is extra data
-        assert_raises_jsonrpc(-22, "TX decode failed", self.nodes[0].decoderawtransaction, rawTx + "00")
+        assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decoderawtransaction, rawTx + "00")
 
         rawTxSigned = self.nodes[0].signrawtransaction(rawTx, scripts, privKeys)
 
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py
index ed35bf576e..102c903018 100644
--- a/test/functional/test_framework/util.py
+++ b/test/functional/test_framework/util.py
@@ -52,7 +52,7 @@ def assert_raises_message(exc, message, fun, *args, **kwds):
     try:
         fun(*args, **kwds)
     except JSONRPCException:
-        raise AssertionError("Use assert_raises_jsonrpc() to test RPC failures")
+        raise AssertionError("Use assert_raises_rpc_error() to test RPC failures")
     except exc as e:
         if message is not None and message not in e.error['message']:
             raise AssertionError("Expected substring not found:" + e.error['message'])
@@ -85,7 +85,7 @@ def assert_raises_process_error(returncode, output, fun, *args, **kwds):
     else:
         raise AssertionError("No exception raised")
 
-def assert_raises_jsonrpc(code, message, fun, *args, **kwds):
+def assert_raises_rpc_error(code, message, fun, *args, **kwds):
     """Run an RPC and verify that a specific JSONRPC exception code and message is raised.
 
     Calls function `fun` with arguments `args` and `kwds`. Catches a JSONRPCException
diff --git a/test/functional/wallet-dump.py b/test/functional/wallet-dump.py
index bd745ac854..2ca01c7f08 100755
--- a/test/functional/wallet-dump.py
+++ b/test/functional/wallet-dump.py
@@ -7,7 +7,7 @@
 import os
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import (assert_equal, assert_raises_jsonrpc)
+from test_framework.util import (assert_equal, assert_raises_rpc_error)
 
 
 def read_dump(file_name, addrs, hd_master_addr_old):
@@ -106,7 +106,7 @@ class WalletDumpTest(BitcoinTestFramework):
         assert_equal(found_addr_rsv, 90*2) 
 
         # Overwriting should fail
-        assert_raises_jsonrpc(-8, "already exists", self.nodes[0].dumpwallet, tmpdir + "/node0/wallet.unencrypted.dump")
+        assert_raises_rpc_error(-8, "already exists", self.nodes[0].dumpwallet, tmpdir + "/node0/wallet.unencrypted.dump")
 
 if __name__ == '__main__':
     WalletDumpTest().main ()
diff --git a/test/functional/wallet-encryption.py b/test/functional/wallet-encryption.py
index ce1e7744e9..db62e1e30f 100755
--- a/test/functional/wallet-encryption.py
+++ b/test/functional/wallet-encryption.py
@@ -9,7 +9,7 @@ import time
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    assert_raises_jsonrpc,
+    assert_raises_rpc_error,
 )
 
 class WalletEncryptionTest(BitcoinTestFramework):
@@ -32,7 +32,7 @@ class WalletEncryptionTest(BitcoinTestFramework):
         self.start_node(0)
 
         # Test that the wallet is encrypted
-        assert_raises_jsonrpc(-13, "Please enter the wallet passphrase with walletpassphrase first", self.nodes[0].dumpprivkey, address)
+        assert_raises_rpc_error(-13, "Please enter the wallet passphrase with walletpassphrase first", self.nodes[0].dumpprivkey, address)
 
         # Check that walletpassphrase works
         self.nodes[0].walletpassphrase(passphrase, 2)
@@ -40,20 +40,20 @@ class WalletEncryptionTest(BitcoinTestFramework):
 
         # Check that the timeout is right
         time.sleep(2)
-        assert_raises_jsonrpc(-13, "Please enter the wallet passphrase with walletpassphrase first", self.nodes[0].dumpprivkey, address)
+        assert_raises_rpc_error(-13, "Please enter the wallet passphrase with walletpassphrase first", self.nodes[0].dumpprivkey, address)
 
         # Test wrong passphrase
-        assert_raises_jsonrpc(-14, "wallet passphrase entered was incorrect", self.nodes[0].walletpassphrase, passphrase + "wrong", 10)
+        assert_raises_rpc_error(-14, "wallet passphrase entered was incorrect", self.nodes[0].walletpassphrase, passphrase + "wrong", 10)
 
         # Test walletlock
         self.nodes[0].walletpassphrase(passphrase, 84600)
         assert_equal(privkey, self.nodes[0].dumpprivkey(address))
         self.nodes[0].walletlock()
-        assert_raises_jsonrpc(-13, "Please enter the wallet passphrase with walletpassphrase first", self.nodes[0].dumpprivkey, address)
+        assert_raises_rpc_error(-13, "Please enter the wallet passphrase with walletpassphrase first", self.nodes[0].dumpprivkey, address)
 
         # Test passphrase changes
         self.nodes[0].walletpassphrasechange(passphrase, passphrase2)
-        assert_raises_jsonrpc(-14, "wallet passphrase entered was incorrect", self.nodes[0].walletpassphrase, passphrase, 10)
+        assert_raises_rpc_error(-14, "wallet passphrase entered was incorrect", self.nodes[0].walletpassphrase, passphrase, 10)
         self.nodes[0].walletpassphrase(passphrase2, 10)
         assert_equal(privkey, self.nodes[0].dumpprivkey(address))
 
diff --git a/test/functional/wallet.py b/test/functional/wallet.py
index de3aa8a875..7d6b0b24b6 100755
--- a/test/functional/wallet.py
+++ b/test/functional/wallet.py
@@ -102,7 +102,7 @@ class WalletTest(BitcoinTestFramework):
         unspent_0 = self.nodes[2].listunspent()[0]
         unspent_0 = {"txid": unspent_0["txid"], "vout": unspent_0["vout"]}
         self.nodes[2].lockunspent(False, [unspent_0])
-        assert_raises_jsonrpc(-4, "Insufficient funds", self.nodes[2].sendtoaddress, self.nodes[2].getnewaddress(), 20)
+        assert_raises_rpc_error(-4, "Insufficient funds", self.nodes[2].sendtoaddress, self.nodes[2].getnewaddress(), 20)
         assert_equal([unspent_0], self.nodes[2].listlockunspent())
         self.nodes[2].lockunspent(True, [unspent_0])
         assert_equal(len(self.nodes[2].listlockunspent()), 0)
@@ -287,10 +287,10 @@ class WalletTest(BitcoinTestFramework):
         assert_equal(txObj['amount'], Decimal('-0.0001'))
 
         # This will raise an exception because the amount type is wrong
-        assert_raises_jsonrpc(-3, "Invalid amount", self.nodes[0].sendtoaddress, self.nodes[2].getnewaddress(), "1f-4")
+        assert_raises_rpc_error(-3, "Invalid amount", self.nodes[0].sendtoaddress, self.nodes[2].getnewaddress(), "1f-4")
 
         # This will raise an exception since generate does not accept a string
-        assert_raises_jsonrpc(-1, "not an integer", self.nodes[0].generate, "2")
+        assert_raises_rpc_error(-1, "not an integer", self.nodes[0].generate, "2")
 
         # Import address and private key to check correct behavior of spendable unspents
         # 1. Send some coins to generate new UTXO
@@ -423,7 +423,7 @@ class WalletTest(BitcoinTestFramework):
 
         node0_balance = self.nodes[0].getbalance()
         # With walletrejectlongchains we will not create the tx and store it in our wallet.
-        assert_raises_jsonrpc(-4, "Transaction has too long of a mempool chain", self.nodes[0].sendtoaddress, sending_addr, node0_balance - Decimal('0.01'))
+        assert_raises_rpc_error(-4, "Transaction has too long of a mempool chain", self.nodes[0].sendtoaddress, sending_addr, node0_balance - Decimal('0.01'))
 
         # Verify nothing new in wallet
         assert_equal(total_txs, len(self.nodes[0].listtransactions("*",99999)))
diff --git a/test/functional/zapwallettxes.py b/test/functional/zapwallettxes.py
index 83b11035c8..8cd622dc8e 100755
--- a/test/functional/zapwallettxes.py
+++ b/test/functional/zapwallettxes.py
@@ -17,7 +17,7 @@
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    assert_raises_jsonrpc,
+    assert_raises_rpc_error,
     wait_until,
 )
 
@@ -72,7 +72,7 @@ class ZapWalletTXesTest (BitcoinTestFramework):
         assert_equal(self.nodes[0].gettransaction(txid1)['txid'], txid1)
 
         # This will raise an exception because the unconfirmed transaction has been zapped
-        assert_raises_jsonrpc(-5, 'Invalid or non-wallet transaction id', self.nodes[0].gettransaction, txid2)
+        assert_raises_rpc_error(-5, 'Invalid or non-wallet transaction id', self.nodes[0].gettransaction, txid2)
 
 if __name__ == '__main__':
     ZapWalletTXesTest().main()