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@ -25,9 +25,352 @@ Todo: |
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""" |
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import time, json, socket, operator, thread, ast, sys,re |
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from Abe.abe import hash_to_address, decode_check_address |
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from Abe.DataStore import DataStore as Datastore_class |
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from Abe import DataStore, readconf, BCDataStream, deserialize, util, base58 |
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import psycopg2, binascii |
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import thread, traceback, sys, urllib, operator |
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from json import dumps, loads |
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class MyStore(Datastore_class): |
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def __init__(self, config, address_queue): |
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conf = DataStore.CONFIG_DEFAULTS |
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args, argv = readconf.parse_argv( [], conf) |
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args.dbtype = config.get('database','type') |
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if args.dbtype == 'sqlite3': |
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args.connect_args = { 'database' : config.get('database','database') } |
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elif args.dbtype == 'MySQLdb': |
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args.connect_args = { 'db' : config.get('database','database'), 'user' : config.get('database','username'), 'passwd' : config.get('database','password') } |
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elif args.dbtype == 'psycopg2': |
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args.connect_args = { 'database' : config.get('database','database') } |
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Datastore_class.__init__(self,args) |
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self.tx_cache = {} |
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self.mempool_keys = {} |
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self.bitcoind_url = 'http://%s:%s@%s:%s/' % ( config.get('bitcoind','user'), config.get('bitcoind','password'), config.get('bitcoind','host'), config.get('bitcoind','port')) |
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self.address_queue = address_queue |
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self.dblock = thread.allocate_lock() |
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def import_block(self, b, chain_ids=frozenset()): |
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block_id = super(MyStore, self).import_block(b, chain_ids) |
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for pos in xrange(len(b['transactions'])): |
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tx = b['transactions'][pos] |
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if 'hash' not in tx: |
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tx['hash'] = util.double_sha256(tx['tx']) |
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tx_id = store.tx_find_id_and_value(tx) |
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if tx_id: |
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self.update_tx_cache(tx_id) |
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else: |
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print "error: import_block: no tx_id" |
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return block_id |
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def update_tx_cache(self, txid): |
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inrows = self.get_tx_inputs(txid, False) |
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for row in inrows: |
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_hash = self.binout(row[6]) |
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address = hash_to_address(chr(0), _hash) |
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if self.tx_cache.has_key(address): |
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print "cache: invalidating", address |
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self.tx_cache.pop(address) |
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self.address_queue.put(address) |
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outrows = self.get_tx_outputs(txid, False) |
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for row in outrows: |
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_hash = self.binout(row[6]) |
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address = hash_to_address(chr(0), _hash) |
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if self.tx_cache.has_key(address): |
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print "cache: invalidating", address |
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self.tx_cache.pop(address) |
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self.address_queue.put(address) |
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def safe_sql(self,sql, params=(), lock=True): |
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try: |
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if lock: self.dblock.acquire() |
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ret = self.selectall(sql,params) |
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if lock: self.dblock.release() |
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return ret |
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except: |
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print "sql error", sql |
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return [] |
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def get_tx_outputs(self, tx_id, lock=True): |
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return self.safe_sql("""SELECT |
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txout.txout_pos, |
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txout.txout_scriptPubKey, |
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txout.txout_value, |
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nexttx.tx_hash, |
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nexttx.tx_id, |
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txin.txin_pos, |
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pubkey.pubkey_hash |
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FROM txout |
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LEFT JOIN txin ON (txin.txout_id = txout.txout_id) |
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LEFT JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id) |
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LEFT JOIN tx nexttx ON (txin.tx_id = nexttx.tx_id) |
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WHERE txout.tx_id = %d |
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ORDER BY txout.txout_pos |
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"""%(tx_id), (), lock) |
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def get_tx_inputs(self, tx_id, lock=True): |
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return self.safe_sql(""" SELECT |
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txin.txin_pos, |
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txin.txin_scriptSig, |
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txout.txout_value, |
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COALESCE(prevtx.tx_hash, u.txout_tx_hash), |
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prevtx.tx_id, |
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COALESCE(txout.txout_pos, u.txout_pos), |
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pubkey.pubkey_hash |
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FROM txin |
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LEFT JOIN txout ON (txout.txout_id = txin.txout_id) |
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LEFT JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id) |
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LEFT JOIN tx prevtx ON (txout.tx_id = prevtx.tx_id) |
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LEFT JOIN unlinked_txin u ON (u.txin_id = txin.txin_id) |
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WHERE txin.tx_id = %d |
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ORDER BY txin.txin_pos |
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"""%(tx_id,), (), lock) |
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def get_address_out_rows(self, dbhash): |
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return self.safe_sql(""" SELECT |
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b.block_nTime, |
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cc.chain_id, |
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b.block_height, |
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1, |
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b.block_hash, |
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tx.tx_hash, |
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tx.tx_id, |
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txin.txin_pos, |
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-prevout.txout_value |
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FROM chain_candidate cc |
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JOIN block b ON (b.block_id = cc.block_id) |
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JOIN block_tx ON (block_tx.block_id = b.block_id) |
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JOIN tx ON (tx.tx_id = block_tx.tx_id) |
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JOIN txin ON (txin.tx_id = tx.tx_id) |
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JOIN txout prevout ON (txin.txout_id = prevout.txout_id) |
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JOIN pubkey ON (pubkey.pubkey_id = prevout.pubkey_id) |
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WHERE pubkey.pubkey_hash = ? |
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AND cc.in_longest = 1""", (dbhash,)) |
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def get_address_out_rows_memorypool(self, dbhash): |
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return self.safe_sql(""" SELECT |
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1, |
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tx.tx_hash, |
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tx.tx_id, |
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txin.txin_pos, |
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-prevout.txout_value |
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FROM tx |
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JOIN txin ON (txin.tx_id = tx.tx_id) |
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JOIN txout prevout ON (txin.txout_id = prevout.txout_id) |
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JOIN pubkey ON (pubkey.pubkey_id = prevout.pubkey_id) |
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WHERE pubkey.pubkey_hash = ? """, (dbhash,)) |
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def get_address_in_rows(self, dbhash): |
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return self.safe_sql(""" SELECT |
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b.block_nTime, |
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cc.chain_id, |
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b.block_height, |
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0, |
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b.block_hash, |
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tx.tx_hash, |
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tx.tx_id, |
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txout.txout_pos, |
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txout.txout_value |
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FROM chain_candidate cc |
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JOIN block b ON (b.block_id = cc.block_id) |
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JOIN block_tx ON (block_tx.block_id = b.block_id) |
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JOIN tx ON (tx.tx_id = block_tx.tx_id) |
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JOIN txout ON (txout.tx_id = tx.tx_id) |
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JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id) |
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WHERE pubkey.pubkey_hash = ? |
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AND cc.in_longest = 1""", (dbhash,)) |
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def get_address_in_rows_memorypool(self, dbhash): |
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return self.safe_sql( """ SELECT |
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0, |
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tx.tx_hash, |
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tx.tx_id, |
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txout.txout_pos, |
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txout.txout_value |
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FROM tx |
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JOIN txout ON (txout.tx_id = tx.tx_id) |
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JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id) |
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WHERE pubkey.pubkey_hash = ? """, (dbhash,)) |
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def get_history(self, addr): |
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cached_version = self.tx_cache.get( addr ) |
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if cached_version is not None: |
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return cached_version |
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version, binaddr = decode_check_address(addr) |
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if binaddr is None: |
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return None |
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dbhash = self.binin(binaddr) |
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rows = [] |
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rows += self.get_address_out_rows( dbhash ) |
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rows += self.get_address_in_rows( dbhash ) |
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txpoints = [] |
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known_tx = [] |
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for row in rows: |
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try: |
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nTime, chain_id, height, is_in, blk_hash, tx_hash, tx_id, pos, value = row |
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except: |
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print "cannot unpack row", row |
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break |
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tx_hash = self.hashout_hex(tx_hash) |
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txpoint = { |
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"nTime": int(nTime), |
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"height": int(height), |
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"is_in": int(is_in), |
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"blk_hash": self.hashout_hex(blk_hash), |
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"tx_hash": tx_hash, |
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"tx_id": int(tx_id), |
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"pos": int(pos), |
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"value": int(value), |
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} |
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txpoints.append(txpoint) |
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known_tx.append(self.hashout_hex(tx_hash)) |
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# todo: sort them really... |
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txpoints = sorted(txpoints, key=operator.itemgetter("nTime")) |
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# read memory pool |
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rows = [] |
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rows += self.get_address_in_rows_memorypool( dbhash ) |
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rows += self.get_address_out_rows_memorypool( dbhash ) |
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address_has_mempool = False |
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for row in rows: |
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is_in, tx_hash, tx_id, pos, value = row |
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tx_hash = self.hashout_hex(tx_hash) |
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if tx_hash in known_tx: |
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continue |
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# this means that pending transactions were added to the db, even if they are not returned by getmemorypool |
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address_has_mempool = True |
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# this means pending transactions are returned by getmemorypool |
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if tx_hash not in self.mempool_keys: |
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continue |
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#print "mempool", tx_hash |
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txpoint = { |
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"nTime": 0, |
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"height": 0, |
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"is_in": int(is_in), |
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"blk_hash": 'mempool', |
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"tx_hash": tx_hash, |
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"tx_id": int(tx_id), |
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"pos": int(pos), |
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"value": int(value), |
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} |
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txpoints.append(txpoint) |
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for txpoint in txpoints: |
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tx_id = txpoint['tx_id'] |
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txinputs = [] |
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inrows = self.get_tx_inputs(tx_id) |
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for row in inrows: |
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_hash = self.binout(row[6]) |
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address = hash_to_address(chr(0), _hash) |
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txinputs.append(address) |
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txpoint['inputs'] = txinputs |
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txoutputs = [] |
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outrows = self.get_tx_outputs(tx_id) |
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for row in outrows: |
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_hash = self.binout(row[6]) |
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address = hash_to_address(chr(0), _hash) |
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txoutputs.append(address) |
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txpoint['outputs'] = txoutputs |
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# for all unspent inputs, I want their scriptpubkey. (actually I could deduce it from the address) |
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if not txpoint['is_in']: |
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# detect if already redeemed... |
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for row in outrows: |
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if row[6] == dbhash: break |
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else: |
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raise |
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#row = self.get_tx_output(tx_id,dbhash) |
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# pos, script, value, o_hash, o_id, o_pos, binaddr = row |
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# if not redeemed, we add the script |
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if row: |
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if not row[4]: txpoint['raw_scriptPubKey'] = row[1] |
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# cache result |
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if not address_has_mempool: |
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self.tx_cache[addr] = txpoints |
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return txpoints |
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def memorypool_update(store): |
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ds = BCDataStream.BCDataStream() |
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previous_transactions = store.mempool_keys |
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store.mempool_keys = [] |
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postdata = dumps({"method": 'getmemorypool', 'params': [], 'id':'jsonrpc'}) |
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respdata = urllib.urlopen(store.bitcoind_url, postdata).read() |
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r = loads(respdata) |
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if r['error'] != None: |
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return |
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v = r['result'].get('transactions') |
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for hextx in v: |
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ds.clear() |
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ds.write(hextx.decode('hex')) |
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tx = deserialize.parse_Transaction(ds) |
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tx['hash'] = util.double_sha256(tx['tx']) |
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tx_hash = store.hashin(tx['hash']) |
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def send_tx(self,tx): |
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postdata = dumps({"method": 'importtransaction', 'params': [tx], 'id':'jsonrpc'}) |
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respdata = urllib.urlopen(self.bitcoind_url, postdata).read() |
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r = loads(respdata) |
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if r['error'] != None: |
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out = "error: transaction rejected by memorypool\n"+tx |
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else: |
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out = r['result'] |
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return out |
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def main_iteration(store): |
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try: |
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store.dblock.acquire() |
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store.catch_up() |
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store.memorypool_update() |
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block_number = store.get_block_number(1) |
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except IOError: |
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print "IOError: cannot reach bitcoind" |
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block_number = 0 |
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except: |
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traceback.print_exc(file=sys.stdout) |
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block_number = 0 |
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finally: |
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store.dblock.release() |
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return block_number |
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import time, json, socket, operator, thread, ast, sys, re, traceback |
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import ConfigParser |
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from json import dumps, loads |
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import urllib |
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@ -65,7 +408,6 @@ password = config.get('server','password') |
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stopping = False |
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block_number = -1 |
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old_block_number = -1 |
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sessions = {} |
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sessions_sub_numblocks = {} # sessions that have subscribed to the service |
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@ -232,7 +574,7 @@ def add_address_to_session_json(session_id, message_id, address): |
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def add_address_to_session(session_id, address): |
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status = get_address_status(address) |
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sessions[session_id]['addresses'][addr] = ("", status) |
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sessions[session_id]['addresses'][address] = ("", status) |
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sessions[session_id]['last_time'] = time.time() |
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return status |
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@ -348,6 +690,7 @@ def do_command(cmd, data, ipaddr): |
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session_id, addr = ast.literal_eval(data) |
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except: |
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traceback.print_exc(file=sys.stdout) |
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print data |
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return None |
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out = add_address_to_session(session_id,addr) |
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@ -596,9 +939,6 @@ def http_server_thread(): |
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server.serve_forever() |
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import traceback |
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if __name__ == '__main__': |
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if len(sys.argv)>1: |
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@ -626,10 +966,9 @@ if __name__ == '__main__': |
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print out |
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sys.exit(0) |
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# backend |
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import db |
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store = db.MyStore(config,address_queue) |
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# from db import MyStore |
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store = MyStore(config,address_queue) |
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# supported protocols |
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thread.start_new_thread(native_server_thread, ()) |
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@ -642,7 +981,7 @@ if __name__ == '__main__': |
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print "starting Electrum server" |
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old_block_number = None |
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while not stopping: |
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block_number = store.main_iteration() |
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@ -650,7 +989,6 @@ if __name__ == '__main__': |
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old_block_number = block_number |
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for session_id in sessions_sub_numblocks.keys(): |
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send_numblocks(session_id) |
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# do addresses |
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while True: |
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try: |
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addr = address_queue.get(False) |
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ThomasV
13 years ago