-from Abe.util import hash_to_address, decode_check_address
-from Abe.DataStore import DataStore as Datastore_class
-from Abe import DataStore, readconf, BCDataStream, deserialize, util, base58
-
import binascii
-
-import thread, traceback, sys, urllib, operator
from json import dumps, loads
+import operator
from Queue import Queue
-import time, threading
+import sys
+import thread
+import threading
+import time
+import traceback
+import urllib
+
+from Abe import DataStore, readconf, BCDataStream, deserialize
+from Abe.util import hash_to_address, decode_check_address
+
+from processor import Processor, print_log
+from utils import *
-class AbeStore(Datastore_class):
+class AbeStore(Datastore.Datastore):
def __init__(self, config):
conf = DataStore.CONFIG_DEFAULTS
- args, argv = readconf.parse_argv( [], conf)
- args.dbtype = config.get('database','type')
+ args, argv = readconf.parse_argv([], conf)
+ args.dbtype = config.get('database', 'type')
if args.dbtype == 'sqlite3':
- args.connect_args = { 'database' : config.get('database','database') }
+ args.connect_args = {'database': config.get('database', 'database')}
elif args.dbtype == 'MySQLdb':
- args.connect_args = { 'db' : config.get('database','database'), 'user' : config.get('database','username'), 'passwd' : config.get('database','password') }
+ args.connect_args = {'db': config.get('database', 'database'), 'user': config.get('database', 'username'), 'passwd': config.get('database', 'password')}
elif args.dbtype == 'psycopg2':
- args.connect_args = { 'database' : config.get('database','database') }
+ 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'
+ print_log('Litecoin settings:')
+ datadir = config.get('server', 'datadir')
+ print_log(' datadir = ' + datadir)
+ args.datadir = [{"dirname": datadir, "chain": "Litecoin", "code3": "LTC", "address_version": "\u0030"}]
+ print_log(' addrtype = 48')
self.addrtype = 48
- Datastore_class.__init__(self,args)
+ Datastore.Datastore.__init__(self, args)
- self.chain_id = self.datadirs[0]["chain_id"];
- print 'Coin chain_id = %d' % self.chain_id
+ # Use 1 (Bitcoin) if chain_id is not sent
+ self.chain_id = self.datadirs[0]["chain_id"] or 1
+ print_log('Coin chain_id = %d' % self.chain_id)
- self.sql_limit = int( config.get('database','limit') )
+ self.sql_limit = int(config.get('database', 'limit'))
self.tx_cache = {}
- self.bitcoind_url = 'http://%s:%s@%s:%s/' % ( config.get('bitcoind','user'), config.get('bitcoind','password'), config.get('bitcoind','host'), config.get('bitcoind','port'))
+ self.bitcoind_url = 'http://%s:%s@%s:%s/' % (config.get('bitcoind', 'user'), config.get('bitcoind', 'password'), config.get('bitcoind', 'host'), config.get('bitcoind', 'port'))
+
+ self.chunk_cache = {}
self.address_queue = Queue()
- self.dblock = thread.allocate_lock()
+ self.lock = threading.Lock() # for the database
+ self.cache_lock = threading.Lock() # for the cache
self.last_tx_id = 0
+ self.known_mempool_hashes = []
-
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
-
-
-
def import_block(self, b, chain_ids=frozenset()):
- #print "import block"
+ #print_log("import block")
block_id = super(AbeStore, self).import_block(b, chain_ids)
for pos in xrange(len(b['transactions'])):
tx = b['transactions'][pos]
if 'hash' not in tx:
- tx['hash'] = util.double_sha256(tx['tx'])
+ tx['hash'] = Hash(tx['tx'])
tx_id = self.tx_find_id_and_value(tx)
if tx_id:
self.update_tx_cache(tx_id)
else:
- print "error: import_block: no tx_id"
+ print_log("error: import_block: no tx_id")
return block_id
-
def update_tx_cache(self, txid):
inrows = self.get_tx_inputs(txid, False)
for row in inrows:
_hash = self.binout(row[6])
if not _hash:
- #print "WARNING: missing tx_in for tx", txid
+ #print_log("WARNING: missing tx_in for tx", txid)
continue
address = hash_to_address(chr(self.addrtype), _hash)
- if self.tx_cache.has_key(address):
- print "cache: invalidating", address
- self.tx_cache.pop(address)
+ with self.cache_lock:
+ if address in self.tx_cache:
+ print_log("cache: invalidating", address)
+ self.tx_cache.pop(address)
+
self.address_queue.put(address)
outrows = self.get_tx_outputs(txid, False)
for row in outrows:
_hash = self.binout(row[6])
if not _hash:
- #print "WARNING: missing tx_out for tx", txid
+ #print_log("WARNING: missing tx_out for tx", txid)
continue
address = hash_to_address(chr(self.addrtype), _hash)
- if self.tx_cache.has_key(address):
- print "cache: invalidating", address
- self.tx_cache.pop(address)
- self.address_queue.put(address)
+ with self.cache_lock:
+ if address in self.tx_cache:
+ print_log("cache: invalidating", address)
+ self.tx_cache.pop(address)
- def safe_sql(self,sql, params=(), lock=True):
+ self.address_queue.put(address)
+ def safe_sql(self, sql, params=(), lock=True):
error = False
try:
- if lock: self.dblock.acquire()
- ret = self.selectall(sql,params)
+ if lock:
+ self.lock.acquire()
+ ret = self.selectall(sql, params)
except:
error = True
traceback.print_exc(file=sys.stdout)
finally:
- if lock: self.dblock.release()
+ if lock:
+ self.lock.release()
- if error:
- raise BaseException('sql error')
+ if error:
+ raise Exception('sql error')
return ret
-
def get_tx_outputs(self, tx_id, lock=True):
return self.safe_sql("""SELECT
LEFT JOIN txin ON (txin.txout_id = txout.txout_id)
LEFT JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id)
LEFT JOIN tx nexttx ON (txin.tx_id = nexttx.tx_id)
- WHERE txout.tx_id = %d
+ WHERE txout.tx_id = %d
ORDER BY txout.txout_pos
- """%(tx_id), (), lock)
+ """ % (tx_id), (), lock)
def get_tx_inputs(self, tx_id, lock=True):
return self.safe_sql(""" SELECT
LEFT JOIN unlinked_txin u ON (u.txin_id = txin.txin_id)
WHERE txin.tx_id = %d
ORDER BY txin.txin_pos
- """%(tx_id,), (), lock)
-
+ """ % (tx_id,), (), lock)
def get_address_out_rows(self, dbhash):
out = self.safe_sql(""" SELECT
AND cc.in_longest = 1
LIMIT ? """, (dbhash, self.chain_id, self.sql_limit))
- if len(out)==self.sql_limit:
- raise BaseException('limit reached')
+ if len(out) == self.sql_limit:
+ raise Exception('limit reached')
return out
def get_address_out_rows_memorypool(self, dbhash):
tx.tx_id,
txin.txin_pos,
-prevout.txout_value
- FROM tx
+ FROM tx
JOIN txin ON (txin.tx_id = tx.tx_id)
JOIN txout prevout ON (txin.txout_id = prevout.txout_id)
JOIN pubkey ON (pubkey.pubkey_id = prevout.pubkey_id)
WHERE pubkey.pubkey_hash = ?
- LIMIT ? """, (dbhash,self.sql_limit))
+ LIMIT ? """, (dbhash, self.sql_limit))
- if len(out)==self.sql_limit:
- raise BaseException('limit reached')
+ if len(out) == self.sql_limit:
+ raise Exception('limit reached')
return out
def get_address_in_rows(self, dbhash):
AND cc.in_longest = 1
LIMIT ? """, (dbhash, self.chain_id, self.sql_limit))
- if len(out)==self.sql_limit:
- raise BaseException('limit reached')
+ if len(out) == self.sql_limit:
+ raise Exception('limit reached')
return out
def get_address_in_rows_memorypool(self, dbhash):
- out = self.safe_sql( """ SELECT
+ out = self.safe_sql(""" SELECT
0,
tx.tx_hash,
tx.tx_id,
JOIN txout ON (txout.tx_id = tx.tx_id)
JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id)
WHERE pubkey.pubkey_hash = ?
- LIMIT ? """, (dbhash,self.sql_limit))
+ LIMIT ? """, (dbhash, self.sql_limit))
- if len(out)==self.sql_limit:
- raise BaseException('limit reached')
+ if len(out) == self.sql_limit:
+ raise Exception('limit reached')
return out
- def get_history(self, addr):
+ def get_history(self, addr, cache_only=False):
+ # todo: make this more efficient. it iterates over txpoints multiple times
+ with self.cache_lock:
+ cached_version = self.tx_cache.get(addr)
+ if cached_version is not None:
+ return cached_version
- cached_version = self.tx_cache.get( addr )
- if cached_version is not None:
- return cached_version
+ if cache_only:
+ return -1
version, binaddr = decode_check_address(addr)
if binaddr is None:
dbhash = self.binin(binaddr)
rows = []
- rows += self.get_address_out_rows( dbhash )
- rows += self.get_address_in_rows( dbhash )
+ rows += self.get_address_out_rows(dbhash)
+ rows += self.get_address_in_rows(dbhash)
txpoints = []
known_tx = []
try:
nTime, chain_id, height, is_in, blk_hash, tx_hash, tx_id, pos, value = row
except:
- print "cannot unpack row", row
+ print_log("cannot unpack row", row)
break
tx_hash = self.hashout_hex(tx_hash)
- txpoint = {
- "timestamp": int(nTime),
- "height": int(height),
- "is_input": int(is_in),
- "block_hash": self.hashout_hex(blk_hash),
- "tx_hash": tx_hash,
- "tx_id": int(tx_id),
- "index": int(pos),
- "value": int(value),
- }
-
- txpoints.append(txpoint)
- known_tx.append(self.hashout_hex(tx_hash))
+ txpoints.append({
+ "timestamp": int(nTime),
+ "height": int(height),
+ "is_input": int(is_in),
+ "block_hash": self.hashout_hex(blk_hash),
+ "tx_hash": tx_hash,
+ "tx_id": int(tx_id),
+ "index": int(pos),
+ "value": int(value),
+ })
+ known_tx.append(self.hashout_hex(tx_hash))
# todo: sort them really...
txpoints = sorted(txpoints, key=operator.itemgetter("timestamp"))
# read memory pool
rows = []
- rows += self.get_address_in_rows_memorypool( dbhash )
- rows += self.get_address_out_rows_memorypool( dbhash )
+ rows += self.get_address_in_rows_memorypool(dbhash)
+ rows += self.get_address_out_rows_memorypool(dbhash)
address_has_mempool = False
for row in rows:
# discard transactions that are too old
if self.last_tx_id - tx_id > 50000:
- print "discarding tx id", tx_id
+ print_log("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 = {
- "timestamp": 0,
- "height": 0,
- "is_input": int(is_in),
- "block_hash": 'mempool',
- "tx_hash": tx_hash,
- "tx_id": int(tx_id),
- "index": int(pos),
- "value": int(value),
- }
- txpoints.append(txpoint)
-
+ #print_log("mempool", tx_hash)
+ txpoints.append({
+ "timestamp": 0,
+ "height": 0,
+ "is_input": int(is_in),
+ "block_hash": 'mempool',
+ "tx_hash": tx_hash,
+ "tx_id": int(tx_id),
+ "index": int(pos),
+ "value": int(value),
+ })
for txpoint in txpoints:
tx_id = txpoint['tx_id']
-
+
txinputs = []
inrows = self.get_tx_inputs(tx_id)
for row in inrows:
_hash = self.binout(row[6])
if not _hash:
- #print "WARNING: missing tx_in for tx", tx_id, addr
+ #print_log("WARNING: missing tx_in for tx", tx_id, addr)
continue
address = hash_to_address(chr(self.addrtype), _hash)
txinputs.append(address)
for row in outrows:
_hash = self.binout(row[6])
if not _hash:
- #print "WARNING: missing tx_out for tx", tx_id, addr
+ #print_log("WARNING: missing tx_out for tx", tx_id, addr)
continue
address = hash_to_address(chr(self.addrtype), _hash)
txoutputs.append(address)
if not txpoint['is_input']:
# detect if already redeemed...
for row in outrows:
- if row[6] == dbhash: break
+ if row[6] == dbhash:
+ break
else:
raise
#row = self.get_tx_output(tx_id,dbhash)
# pos, script, value, o_hash, o_id, o_pos, binaddr = row
# if not redeemed, we add the script
if row:
- if not row[4]: txpoint['raw_output_script'] = row[1]
+ 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:
- self.tx_cache[addr] = txpoints
-
- return txpoints
+ txpoints = map(lambda x: {'tx_hash': x['tx_hash'], 'height': x['height']}, txpoints)
+ out = []
+ for item in txpoints:
+ if item not in out:
+ out.append(item)
+ # cache result
+ ## do not cache mempool results because statuses are ambiguous
+ #if not address_has_mempool:
+ with self.cache_lock:
+ self.tx_cache[addr] = out
- def get_status(self,addr):
- # get address status, i.e. the last block for that address.
- tx_points = self.get_history(addr)
- if not tx_points:
- status = None
- else:
- lastpoint = tx_points[-1]
- status = lastpoint['block_hash']
- # this is a temporary hack; move it up once old clients have disappeared
- if status == 'mempool': # and session['version'] != "old":
- status = status + ':%d'% len(tx_points)
- return status
+ return out
+ def get_status(self, addr, cache_only=False):
+ # for 0.5 clients
+ tx_points = self.get_history(addr, cache_only)
+ if cache_only and tx_points == -1:
+ return -1
+ if not tx_points:
+ return None
+ status = ''
+ for tx in tx_points:
+ status += tx.get('tx_hash') + ':%d:' % tx.get('height')
+ return hashlib.sha256(status).digest().encode('hex')
+
+ def get_block_header(self, block_height):
+ out = self.safe_sql("""
+ SELECT
+ block_hash,
+ block_version,
+ block_hashMerkleRoot,
+ block_nTime,
+ block_nBits,
+ block_nNonce,
+ block_height,
+ prev_block_hash,
+ block_id
+ FROM chain_summary
+ WHERE block_height = %d AND in_longest = 1""" % block_height)
+
+ if not out:
+ raise Exception("block not found")
+ row = out[0]
+ (block_hash, block_version, hashMerkleRoot, nTime, nBits, nNonce, height, prev_block_hash, block_id) \
+ = (self.hashout_hex(row[0]), int(row[1]), self.hashout_hex(row[2]), int(row[3]), int(row[4]), int(row[5]), int(row[6]), self.hashout_hex(row[7]), int(row[8]))
+
+ return {
+ "block_height": block_height,
+ "version": block_version,
+ "prev_block_hash": prev_block_hash,
+ "merkle_root": hashMerkleRoot,
+ "timestamp": nTime,
+ "bits": nBits,
+ "nonce": nNonce,
+ }
+
+ def get_chunk(self, index):
+ with self.cache_lock:
+ msg = self.chunk_cache.get(index)
+ if msg:
+ return msg
+
+ sql = """
+ SELECT
+ block_hash,
+ block_version,
+ block_hashMerkleRoot,
+ block_nTime,
+ block_nBits,
+ block_nNonce,
+ block_height,
+ prev_block_hash,
+ block_height
+ FROM chain_summary
+ WHERE block_height >= %d AND block_height< %d AND in_longest = 1 ORDER BY block_height""" % (index * 2016, (index+1) * 2016)
+
+ out = self.safe_sql(sql)
+ msg = ''
+ for row in out:
+ (block_hash, block_version, hashMerkleRoot, nTime, nBits, nNonce, height, prev_block_hash, block_height) \
+ = (self.hashout_hex(row[0]), int(row[1]), self.hashout_hex(row[2]), int(row[3]), int(row[4]), int(row[5]), int(row[6]), self.hashout_hex(row[7]), int(row[8]))
+ h = {
+ "block_height": block_height,
+ "version": block_version,
+ "prev_block_hash": prev_block_hash,
+ "merkle_root": hashMerkleRoot,
+ "timestamp": nTime,
+ "bits": nBits,
+ "nonce": nNonce,
+ }
+
+ if h.get('block_height') == 0:
+ h['prev_block_hash'] = "0" * 64
+ msg += header_to_string(h)
+
+ #print_log("hash", encode(Hash(msg.decode('hex'))))
+ #if h.get('block_height')==1:break
+
+ with self.cache_lock:
+ self.chunk_cache[index] = msg
+ print_log("get_chunk", index, len(msg))
+ return msg
+
+ def get_raw_tx(self, tx_hash, height):
+ postdata = dumps({"method": 'getrawtransaction', 'params': [tx_hash, 0, height], 'id': 'jsonrpc'})
+ respdata = urllib.urlopen(self.bitcoind_url, postdata).read()
+ r = loads(respdata)
+ if r['error'] is not None:
+ raise Exception(r['error'])
+
+ return r.get('result')
+
+ def get_tx_merkle(self, tx_hash):
+ out = self.safe_sql("""
+ SELECT block_tx.block_id FROM tx
+ JOIN block_tx on tx.tx_id = block_tx.tx_id
+ JOIN chain_summary on chain_summary.block_id = block_tx.block_id
+ WHERE tx_hash='%s' AND in_longest = 1""" % tx_hash)
+
+ if not out:
+ raise Exception("not in a block")
+ block_id = int(out[0][0])
+
+ # get block height
+ out = self.safe_sql("SELECT block_height FROM chain_summary WHERE block_id = %d AND in_longest = 1" % block_id)
+
+ if not out:
+ raise Exception("block not found")
+ block_height = int(out[0][0])
+
+ merkle = []
+ tx_pos = None
+
+ # list all tx in block
+ for row in self.safe_sql("""
+ SELECT DISTINCT tx_id, tx_pos, tx_hash
+ FROM txin_detail
+ WHERE block_id = ?
+ ORDER BY tx_pos""", (block_id,)):
+ _id, _pos, _hash = row
+ merkle.append(_hash)
+ if _hash == tx_hash:
+ tx_pos = int(_pos)
+
+ # find subset.
+ # TODO: do not compute this on client request, better store the hash tree of each block in a database...
+
+ merkle = map(hash_decode, merkle)
+ target_hash = hash_decode(tx_hash)
+
+ s = []
+ while len(merkle) != 1:
+ if len(merkle) % 2:
+ merkle.append(merkle[-1])
+ n = []
+ while merkle:
+ new_hash = Hash(merkle[0] + merkle[1])
+ if merkle[0] == target_hash:
+ s.append(hash_encode(merkle[1]))
+ target_hash = new_hash
+ elif merkle[1] == target_hash:
+ s.append(hash_encode(merkle[0]))
+ target_hash = new_hash
+ n.append(new_hash)
+ merkle = merkle[2:]
+ merkle = n
+
+ # send result
+ return {"block_height": block_height, "merkle": s, "pos": tx_pos}
def memorypool_update(store):
-
ds = BCDataStream.BCDataStream()
- postdata = dumps({"method": 'getmemorypool', 'params': [], 'id':'jsonrpc'})
-
+ postdata = dumps({"method": 'getrawmempool', 'params': [], 'id': 'jsonrpc'})
respdata = urllib.urlopen(store.bitcoind_url, postdata).read()
+
r = loads(respdata)
- if r['error'] != None:
+ if r['error'] is not None:
+ print_log(r['error'])
return
- v = r['result'].get('transactions')
- for hextx in v:
+ mempool_hashes = r.get('result')
+ num_new_tx = 0
+
+ for tx_hash in mempool_hashes:
+
+ if tx_hash in store.known_mempool_hashes:
+ continue
+ store.known_mempool_hashes.append(tx_hash)
+ num_new_tx += 1
+
+ postdata = dumps({"method": 'getrawtransaction', 'params': [tx_hash], 'id': 'jsonrpc'})
+ respdata = urllib.urlopen(store.bitcoind_url, postdata).read()
+ r = loads(respdata)
+ if r['error'] is not None:
+ continue
+ hextx = r.get('result')
ds.clear()
ds.write(hextx.decode('hex'))
tx = deserialize.parse_Transaction(ds)
- tx['hash'] = util.double_sha256(tx['tx'])
- tx_hash = store.hashin(tx['hash'])
+ tx['hash'] = Hash(tx['tx'])
if store.tx_find_id_and_value(tx):
pass
else:
tx_id = store.import_tx(tx, False)
store.update_tx_cache(tx_id)
- #print tx_hash
-
- store.commit()
+ #print_log(tx_hash)
+ store.commit()
+ store.known_mempool_hashes = mempool_hashes
+ return num_new_tx
- def send_tx(self,tx):
- postdata = dumps({"method": 'importtransaction', 'params': [tx], 'id':'jsonrpc'})
+ def send_tx(self, tx):
+ postdata = dumps({"method": 'sendrawtransaction', 'params': [tx], 'id': 'jsonrpc'})
respdata = urllib.urlopen(self.bitcoind_url, postdata).read()
r = loads(respdata)
- if r['error'] != None:
+ if r['error'] is not None:
msg = r['error'].get('message')
out = "error: transaction rejected by memorypool: " + msg + "\n" + tx
else:
out = r['result']
return out
+ def main_iteration(self):
+ with self.lock:
+ t1 = time.time()
+ self.catch_up()
+ t2 = time.time()
+ time_catch_up = t2 - t1
+ n = self.memorypool_update()
+ time_mempool = time.time() - t2
+ height = self.get_block_number(self.chain_id)
+
+ with self.cache_lock:
+ try:
+ self.chunk_cache.pop(height/2016)
+ except:
+ pass
- def main_iteration(store):
- with store.dblock:
- store.catch_up()
- store.memorypool_update()
- block_number = store.get_block_number(store.chain_id)
- return block_number
-
-
-
+ block_header = self.get_block_header(height)
+ return block_header, time_catch_up, time_mempool, n
def catch_up(store):
# if there is an exception, do rollback and then re-raise the exception
raise e
-
-
-from processor import Processor
-
class BlockchainProcessor(Processor):
- def __init__(self, config):
+ def __init__(self, config, shared):
Processor.__init__(self)
self.store = AbeStore(config)
- self.block_number = -1
self.watched_addresses = []
+ self.shared = shared
# catch_up first
- n = self.store.main_iteration()
- print "blockchain: %d blocks"%n
+ self.block_header, time_catch_up, time_mempool, n = self.store.main_iteration()
+ self.block_number = self.block_header.get('block_height')
+ print_log("blockchain: %d blocks" % self.block_number)
threading.Timer(10, self.run_store_iteration).start()
- def process(self, request):
- #print "abe process", request
+ def add_request(self, request):
+ # see if we can get if from cache. if not, add to queue
+ if self.process(request, cache_only=True) == -1:
+ self.queue.put(request)
+
+ def process(self, request, cache_only=False):
+ #print_log("abe process", request)
message_id = request['id']
method = request['method']
- params = request.get('params',[])
+ params = request.get('params', [])
result = None
error = None
if method == 'blockchain.numblocks.subscribe':
result = self.block_number
+ elif method == 'blockchain.headers.subscribe':
+ result = self.block_header
+
elif method == 'blockchain.address.subscribe':
try:
address = params[0]
- result = self.store.get_status(address)
+ result = self.store.get_status(address, cache_only)
self.watch_address(address)
- except BaseException, e:
+ except Exception, e:
error = str(e) + ': ' + address
- print "error:", error
+ print_log("error:", error)
elif method == 'blockchain.address.get_history':
try:
address = params[0]
- result = self.store.get_history( address )
- except BaseException, e:
+ result = self.store.get_history(address, cache_only)
+ except Exception, e:
error = str(e) + ': ' + address
- print "error:", error
+ print_log("error:", error)
+
+ elif method == 'blockchain.block.get_header':
+ if cache_only:
+ result = -1
+ else:
+ try:
+ height = params[0]
+ result = self.store.get_block_header(height)
+ except Exception, e:
+ error = str(e) + ': %d' % height
+ print_log("error:", error)
+
+ elif method == 'blockchain.block.get_chunk':
+ if cache_only:
+ result = -1
+ else:
+ try:
+ index = params[0]
+ result = self.store.get_chunk(index)
+ except Exception, e:
+ error = str(e) + ': %d' % index
+ print_log("error:", error)
elif method == 'blockchain.transaction.broadcast':
txo = self.store.send_tx(params[0])
- print "sent tx:", txo
- result = txo
+ print_log("sent tx:", txo)
+ result = txo
+
+ elif method == 'blockchain.transaction.get_merkle':
+ if cache_only:
+ result = -1
+ else:
+ try:
+ tx_hash = params[0]
+ result = self.store.get_tx_merkle(tx_hash)
+ except Exception, e:
+ error = str(e) + ': ' + tx_hash
+ print_log("error:", error)
+
+ elif method == 'blockchain.transaction.get':
+ try:
+ tx_hash = params[0]
+ height = params[1]
+ result = self.store.get_raw_tx(tx_hash, height)
+ except Exception, e:
+ error = str(e) + ': ' + tx_hash
+ print_log("error:", error)
else:
- error = "unknown method:%s"%method
+ error = "unknown method:%s" % method
+ if cache_only and result == -1:
+ return -1
if error:
- response = { 'id':message_id, 'error':error }
+ response = {'id': message_id, 'error': error}
self.push_response(response)
elif result != '':
- response = { 'id':message_id, 'result':result }
+ response = {'id': message_id, 'result': result}
self.push_response(response)
-
def watch_address(self, addr):
if addr not in self.watched_addresses:
self.watched_addresses.append(addr)
-
def run_store_iteration(self):
-
try:
- block_number = self.store.main_iteration()
+ block_header, time_catch_up, time_mempool, n = self.store.main_iteration()
except:
traceback.print_exc(file=sys.stdout)
- print "terminating"
+ print_log("terminating")
self.shared.stop()
- if self.shared.stopped():
- print "exit timer"
+ if self.shared.stopped():
+ print_log("exit timer")
return
- if self.block_number != block_number:
- self.block_number = block_number
- print "block number:", self.block_number
- self.push_response({ 'method':'blockchain.numblocks.subscribe', 'params':[self.block_number] })
+ #print_log("block number: %d (%.3fs) mempool:%d (%.3fs)"%(self.block_number, time_catch_up, n, time_mempool))
+
+ if self.block_number != block_header.get('block_height'):
+ self.block_number = block_header.get('block_height')
+ print_log("block number: %d (%.3fs)" % (self.block_number, time_catch_up))
+ self.push_response({'id': None, 'method': 'blockchain.numblocks.subscribe', 'params': [self.block_number]})
+
+ if self.block_header != block_header:
+ self.block_header = block_header
+ self.push_response({'id': None, 'method': 'blockchain.headers.subscribe', 'params': [self.block_header]})
while True:
try:
except:
break
if addr in self.watched_addresses:
- status = self.store.get_status( addr )
- self.push_response({ 'method':'blockchain.address.subscribe', 'params':[addr, status] })
+ try:
+ status = self.store.get_status(addr)
+ self.push_response({'id': None, 'method': 'blockchain.address.subscribe', 'params': [addr, status]})
+ except:
+ break
threading.Timer(10, self.run_store_iteration).start()
-
-
git://git.novaco.in / electrum-server.git / blobdiff