Fix intermittent DASH addcoin issue.

basicswap/basicswap.py

@@ -2042,7 +2042,7 @@ class BasicSwap(BaseApp):
         self.setStringKV(db_key, main_address, session)
         return main_address
 
-    def checkWalletSeed(self, c):
+    def checkWalletSeed(self, c) -> bool:
         ci = self.ci(c)
         if c == Coins.PART:
             ci.setWalletSeedWarning(False)  # All keys should be be derived from the Particl mnemonic

basicswap/interface/btc.py

@@ -331,6 +331,7 @@ class BTCInterface(Secp256k1Interface):
     def initialiseWallet(self, key_bytes: bytes) -> None:
         key_wif = self.encodeKey(key_bytes)
         self.rpc_wallet('sethdseed', [True, key_wif])
+        self._have_checked_seed = False
 
     def getWalletInfo(self):
         rv = self.rpc_wallet('getwalletinfo')
@@ -368,8 +369,10 @@ class BTCInterface(Secp256k1Interface):
         return 'Not found' if 'hdseedid' not in wi else wi['hdseedid']
 
     def checkExpectedSeed(self, expect_seedid: str) -> bool:
+        wallet_seed_id = self.getWalletSeedID()
         self._expect_seedid_hex = expect_seedid
-        return expect_seedid == self.getWalletSeedID()
+        self._have_checked_seed = True
+        return expect_seedid == wallet_seed_id
 
     def getNewAddress(self, use_segwit: bool, label: str = 'swap_receive') -> str:
         args = [label]

basicswap/interface/dash.py

@@ -38,6 +38,7 @@ class DASHInterface(BTCInterface):
         return Mnemonic('english').to_mnemonic(key)
 
     def initialiseWallet(self, key_bytes: bytes) -> None:
+        self._have_checked_seed = False
         if self._wallet_v20_compatible:
             self._log.warning('Generating wallet compatible with v20 seed.')
             words = self.entropyToMnemonic(key_bytes)
@@ -57,9 +58,11 @@ class DASHInterface(BTCInterface):
         if rv['mnemonic'] != '':
             entropy = Mnemonic('english').to_entropy(rv['mnemonic'].split(' '))
             entropy_hash = self.getAddressHashFromKey(entropy)[::-1].hex()
-            return expect_seedid == entropy_hash
+            have_expected_seed: bool = expect_seedid == entropy_hash
         else:
-            return expect_seedid == self.getWalletSeedID()
+            have_expected_seed: bool = expect_seedid == self.getWalletSeedID()
+        self._have_checked_seed = True
+        return have_expected_seed
 
     def withdrawCoin(self, value, addr_to, subfee):
         params = [addr_to, value, '', '', subfee, False, False, self._conf_target]
@@ -94,10 +97,15 @@ class DASHInterface(BTCInterface):
 
     def unlockWallet(self, password: str):
         super().unlockWallet(password)
+        if self._wallet_v20_compatible:
             # Store password for initialiseWallet
             self._wallet_passphrase = password
         if not self._have_checked_seed:
+            try:
                 self._sc.checkWalletSeed(self.coin_type())
+            except Exception as ex:
+                # dumphdinfo can fail if the wallet is not initialised
+                self._log.debug(f'DASH checkWalletSeed failed: {ex}.')
 
     def lockWallet(self):
         super().lockWallet()

basicswap/interface/dcr/dcr.py

@@ -372,7 +372,9 @@ class DCRInterface(Secp256k1Interface):
 
     def checkExpectedSeed(self, expect_seedid) -> bool:
         self._expect_seedid_hex = expect_seedid
-        return expect_seedid == self.getWalletSeedID()
+        rv: bool = expect_seedid == self.getWalletSeedID()
+        self._have_checked_seed = True
+        return rv
 
     def getDaemonVersion(self):
         return self.rpc('getnetworkinfo')['version']