Add estimated tx fee to amount check when posting bid.

Add more log messages around balance checks.

basicswap/interface/btc.py

@@ -217,6 +217,10 @@ class BTCInterface(Secp256k1Interface):
             rv += output.nValue
         return rv
 
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        return 110
+
     @staticmethod
     def xmr_swap_a_lock_spend_tx_vsize() -> int:
         return 147

basicswap/interface/dcr/dcr.py

@@ -211,6 +211,10 @@ class DCRInterface(Secp256k1Interface):
     def txoType():
         return CTxOut
 
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        return 224
+
     @staticmethod
     def xmr_swap_a_lock_spend_tx_vsize() -> int:
         return 327

basicswap/interface/doge.py

@@ -24,6 +24,10 @@ class DOGEInterface(BTCInterface):
     def coin_type():
         return Coins.DOGE
 
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        return 192
+
     @staticmethod
     def xmr_swap_b_lock_spend_tx_vsize() -> int:
         return 192

basicswap/interface/part.py

@@ -66,6 +66,10 @@ class PARTInterface(BTCInterface):
     def txVersion() -> int:
         return 0xA0
 
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        return 138
+
     @staticmethod
     def xmr_swap_a_lock_spend_tx_vsize() -> int:
         return 200
@@ -195,6 +199,10 @@ class PARTInterfaceBlind(PARTInterface):
     def balance_type():
         return BalanceTypes.BLIND
 
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        return 980
+
     @staticmethod
     def xmr_swap_a_lock_spend_tx_vsize() -> int:
         return 1032
@@ -1220,6 +1228,10 @@ class PARTInterfaceAnon(PARTInterface):
     def balance_type():
         return BalanceTypes.ANON
 
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        return 1153
+
     @staticmethod
     def xmr_swap_a_lock_spend_tx_vsize() -> int:
         raise ValueError("Not possible")

basicswap/interface/xmr.py

@@ -71,6 +71,11 @@ class XMRInterface(CoinInterface):
     def xmr_swap_a_lock_spend_tx_vsize() -> int:
         raise ValueError("Not possible")
 
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        # TODO: Estimate with ringsize
+        return 1604
+
     @staticmethod
     def xmr_swap_b_lock_spend_tx_vsize() -> int:
         # TODO: Estimate with ringsize