Generalize the way to setup the server to use Litecoin.

[electrum-server.git] / backends / abe / __init__.py

diff --git a/backends/abe/__init__.py b/backends/abe/__init__.py
index 745db87..8c4454e 100644 (file)
--- a/backends/abe/__init__.py
+++ b/backends/abe/__init__.py
@@ -10,7 +10,6 @@ from Queue import Queue
 import time, threading
 
 
-
 class AbeStore(Datastore_class):
 
     def __init__(self, config):
@@ -24,6 +23,16 @@ class AbeStore(Datastore_class):
         elif args.dbtype == 'psycopg2':
             args.connect_args = { 'database' : config.get('database','database') }
 
+        coin = config.get('server', 'coin')
+        self.addrtype = 0
+        if coin == 'litecoin':
+            print 'Litecoin settings:'
+            datadir = config.get('server','datadir')
+            print '  datadir = ' + datadir
+            args.datadir = [{"dirname":datadir,"chain":"Litecoin","code3":"LTC","address_version":"\u0030"}]
+            print '  addrtype = 48'
+            self.addrtype = 48
+
         Datastore_class.__init__(self,args)
 
         self.sql_limit = int( config.get('database','limit') )
@@ -34,6 +43,14 @@ class AbeStore(Datastore_class):
         self.address_queue = Queue()
 
         self.dblock = thread.allocate_lock()
+        self.last_tx_id = 0
+
+    
+    def import_tx(self, tx, is_coinbase):
+        tx_id = super(AbeStore, self).import_tx(tx, is_coinbase)
+        self.last_tx_id = tx_id
+        return tx_id
+        
 
 
 
@@ -60,7 +77,7 @@ class AbeStore(Datastore_class):
                 #print "WARNING: missing tx_in for tx", txid
                 continue
 
-            address = hash_to_address(chr(0), _hash)
+            address = hash_to_address(chr(self.addrtype), _hash)
             if self.tx_cache.has_key(address):
                 print "cache: invalidating", address
                 self.tx_cache.pop(address)
@@ -73,7 +90,7 @@ class AbeStore(Datastore_class):
                 #print "WARNING: missing tx_out for tx", txid
                 continue
 
-            address = hash_to_address(chr(0), _hash)
+            address = hash_to_address(chr(self.addrtype), _hash)
             if self.tx_cache.has_key(address):
                 print "cache: invalidating", address
                 self.tx_cache.pop(address)
@@ -268,22 +285,19 @@ class AbeStore(Datastore_class):
         rows += self.get_address_out_rows_memorypool( dbhash )
         address_has_mempool = False
 
-        current_id = self.safe_sql("""SELECT last_value FROM tx_seq""")
-        current_id = current_id[0][0]
-
         for row in rows:
             is_in, tx_hash, tx_id, pos, value = row
             tx_hash = self.hashout_hex(tx_hash)
             if tx_hash in known_tx:
                 continue
 
-            # this means that pending transactions were added to the db, even if they are not returned by getmemorypool
-            address_has_mempool = True
-
-            # fixme: we need to detect transactions that became invalid
-            if current_id - tx_id > 10000:
+            # discard transactions that are too old
+            if self.last_tx_id - tx_id > 50000:
+                print "discarding tx id", tx_id
                 continue
 
+            # this means that pending transactions were added to the db, even if they are not returned by getmemorypool
+            address_has_mempool = True
 
             #print "mempool", tx_hash
             txpoint = {
@@ -309,7 +323,7 @@ class AbeStore(Datastore_class):
                 if not _hash:
                     #print "WARNING: missing tx_in for tx", tx_id, addr
                     continue
-                address = hash_to_address(chr(0), _hash)
+                address = hash_to_address(chr(self.addrtype), _hash)
                 txinputs.append(address)
             txpoint['inputs'] = txinputs
             txoutputs = []
@@ -319,7 +333,7 @@ class AbeStore(Datastore_class):
                 if not _hash:
                     #print "WARNING: missing tx_out for tx", tx_id, addr
                     continue
-                address = hash_to_address(chr(0), _hash)
+                address = hash_to_address(chr(self.addrtype), _hash)
                 txoutputs.append(address)
             txpoint['outputs'] = txoutputs
 
@@ -336,6 +350,8 @@ class AbeStore(Datastore_class):
                 if row:
                     if not row[4]: txpoint['raw_output_script'] = row[1]
 
+            txpoint.pop('tx_id')
+
         # cache result
         # do not cache mempool results because statuses are ambiguous
         if not address_has_mempool:
@@ -431,6 +447,11 @@ class BlockchainProcessor(Processor):
         self.store = AbeStore(config)
         self.block_number = -1
         self.watched_addresses = []
+
+        # catch_up first
+        n = self.store.main_iteration()
+        print "blockchain: %d blocks"%n
+
         threading.Timer(10, self.run_store_iteration).start()
 
     def process(self, request):