test: fee rate values that cannot be represented as sat/vB

1 files changed, 4 insertions, 0 deletions

diff --git a/test/functional/rpc_fundrawtransaction.py b/test/functional/rpc_fundrawtransaction.py
index 256f6c610c..0cce5493fc 100755
--- a/test/functional/rpc_fundrawtransaction.py
+++ b/test/functional/rpc_fundrawtransaction.py
@@ -771,6 +771,10 @@ class RawTransactionsTest(BitcoinTestFramework):
             # Test fee rate values that don't pass fixed-point parsing checks.
             for invalid_value in ["", 0.000000001, 1e-09, 1.111111111, 1111111111111111, "31.999999999999999999999"]:
                 assert_raises_rpc_error(-3, "Invalid amount", node.fundrawtransaction, rawtx, {param: invalid_value, "add_inputs": True})
+        # Test fee_rate values that cannot be represented in sat/vB.
+        for invalid_value in [0.0001, 0.00000001, 0.00099999, 31.99999999, "0.0001", "0.00000001", "0.00099999", "31.99999999"]:
+            assert_raises_rpc_error(-3, "Invalid amount",
+                node.fundrawtransaction, rawtx, {"fee_rate": invalid_value, "add_inputs": True})
 
         self.log.info("Test min fee rate checks are bypassed with fundrawtxn, e.g. a fee_rate under 1 sat/vB is allowed")
         node.fundrawtransaction(rawtx, {"fee_rate": 0.999, "add_inputs": True})