wallet: put hard limit on minimum of relayfee: 1 sat/byte

(note that the dust limit is calculated based on the relayfee) closes #6035
5 years ago · a500db371d
1 changed files with 2 additions and 1 deletions
--- a/electrum/bitcoin.py
+++ b/electrum/bitcoin.py
@ -304,8 +304,9 @@ def relayfee(network: 'Network' = None) -> int:
        fee = network.relay_fee
    else:
        fee = FEERATE_DEFAULT_RELAY
+    # sanity safeguards, as network.relay_fee is coming from a server:
    fee = min(fee, FEERATE_MAX_RELAY)
-    fee = max(fee, 0)
+    fee = max(fee, FEERATE_DEFAULT_RELAY)
    return fee