Changeset 275

Timestamp:

04/23/09 17:43:38 (3 years ago)

Author:

ocjhb

Message:

redeeming. All basic operations are there

Location:

trunk/sandbox/jhb/oc2

Files:

• documentation.py (modified) (2 diffs)
• mint.py (modified) (4 diffs)
• protocols.py (modified) (1 diff)

trunk/sandbox/jhb/oc2/documentation.py

@@ -682 +682 @@
 True
 
+Lets try to double spend
+>>> import messages
+>>> bobblank = bobwallet._makeBlank(cdd,mkc)
+>>> bobsecret, bobblind = key.blindBlank(bobblank)
+>>> blinds = [[mkc.keyId,bobblind]]
+>>> bobtid = wallet.makeSerial()
+>>> clientside = protocols.TransferRequest(transport,tid,blinds = blinds, coins = coins)
+>>> testserver.run_once(port,issuer=issuer,mint=mint)
+>>> clientside.run().header
+'TransferReject'
 
 
@@ -722 +732 @@
 
 
+###############################################################################
+
+>>> bobtid = wallet.makeSerial()
+>>> clientside = protocols.TransferRequest(transport,tid,target='foo', coins = [bobcoin])
+>>> testserver.run_once(port,issuer=issuer,mint=mint)
+>>> clientside.run().header
+'TransferAccept'
+
+
+###############################################################################
+
+
+
 4. References
 

trunk/sandbox/jhb/oc2/mint.py

@@ -54 +54 @@
         return key.verifyContainerSignature(message)
 
-    def handleMintingRequest(self,authorizedMessage):
-         
-        if not self.validateAuthorization(authorizedMessage):
-            return messages.TransferReject()
-         
-        message = authorizedMessage.message
-        blinds = message.blinds
-        return self._mintBlinds(message)
-
-
     def validateCoins(self,coins):
         problems = []
@@ -88 +78 @@
 
 
+    def handleMintingRequest(self,authorizedMessage):
+         
+        if not self.validateAuthorization(authorizedMessage):
+            return messages.TransferReject()
+         
+        message = authorizedMessage.message
+        blinds = message.blinds
+        return self._mintBlinds(message)
 
 
@@ -115 +113 @@
             return reject
         
+        for coin in coins:
+            self.addToDSDB(coin)
 
         return self._mintBlinds(message)
-            
+
+
+    def handleRedeemRequest(self,message):
+        target = message.target
+        tid = message.transactionId
+        coins = message.coins
+
+        result = self.validateCoins(coins)
+        if result != True:
+            reject = messages.TransferReject()
+            reject.reason = 'coins'
+            reject.coins = result
+            return reject
+        
+        amount = sum([int(coin.denomination) for coin in coins])
+        for coin in coins:
+            self.addToDSDB(coin)
+        self.addRedeemed(target,tid,amount)
+        return messages.TransferAccept()
+        
     def _mintBlinds(self,message):
         
@@ -152 +171 @@
     def inDSDB(self,coin):
         return coin.serial in self.storage.setdefault('dsdb',[])
+
+    def addRedeemed(self,target,tid,amount):
+        self.storage.setdefault('redeemed',[]).append((target,tid,amount))

trunk/sandbox/jhb/oc2/protocols.py

@@ -121 +121 @@
         elif requesttype == 'exchange':
             return self.mint.handleExchangeRequest(message)
+                        
+        elif requesttype == 'redeem':
+            return self.mint.handleRedeemRequest(message)
         
         else: