hardware wallet support for locktime

lib/wallet.py

@@ -446,7 +446,7 @@ class Abstract_Wallet(PrintError):
                     status = _('Unconfirmed')
                     if fee is None:
                         fee = self.tx_fees.get(tx_hash)
-                    if fee:
+                    if fee and self.network.config.has_fee_estimates():
                         size = tx.estimated_size()
                         fee_per_kb = fee * 1000 / size
                         exp_n = self.network.config.reverse_dynfee(fee_per_kb)
@@ -854,8 +854,7 @@ class Abstract_Wallet(PrintError):
         # Sort the inputs and outputs deterministically
         tx.BIP_LI01_sort()
         # Timelock tx to current height.
-        # Disabled until hardware wallets support it
-        # tx.locktime = self.get_local_height()
+        tx.locktime = self.get_local_height()
         run_hook('make_unsigned_transaction', self, tx)
         return tx
 

plugins/ledger/ledger.py

@@ -408,7 +408,7 @@ class Ledger_KeyStore(Hardware_KeyStore):
                             self.handler.show_message(_("Confirmed. Signing Transaction..."))
                     else:
                         # Sign input with the provided PIN
-                        inputSignature = self.get_client().untrustedHashSign(inputsPaths[inputIndex], pin)
+                        inputSignature = self.get_client().untrustedHashSign(inputsPaths[inputIndex], pin, lockTime=tx.locktime)
                         inputSignature[0] = 0x30 # force for 1.4.9+
                         signatures.append(inputSignature)
                         inputIndex = inputIndex + 1

plugins/trezor/plugin.py

@@ -240,7 +240,7 @@ class TrezorCompatiblePlugin(HW_PluginBase):
         client = self.get_client(keystore)
         inputs = self.tx_inputs(tx, True)
         outputs = self.tx_outputs(keystore.get_derivation(), tx)
-        signed_tx = client.sign_tx(self.get_coin_name(), inputs, outputs)[1]
+        signed_tx = client.sign_tx(self.get_coin_name(), inputs, outputs, lock_time=tx.locktime)[1]
         raw = signed_tx.encode('hex')
         tx.update_signatures(raw)