def api_home_brief(request, version):
try:
fill_stats = provider_models.Statistics.objects.filter(sync_type=codes.SyncType.FILL_MISSING_PROGRAM.value).first()
sync_stats = provider_models.Statistics.objects.filter(sync_type=codes.SyncType.SYNC_PROGRAM.value).first()
if not sync_stats:
result = {
'blocks': 0,
'transactions': 0,
'contracts': 0
}
return http.JsonResponse(result)
current_height = sync_stats.block_height
if fill_stats:
total_transactions = sync_stats.transactions_number + fill_stats.transactions_number
contracts = sync_stats.contracts_number + fill_stats.contracts_number
else:
total_transactions = sync_stats.transactions_number
contracts = sync_stats.contracts_number
result = {
'blocks': current_height,
'transactions': total_transactions,
'contracts': contracts
}
return http.JsonResponse(result)
except Exception, inst:
logger.exception("fail to get home page brief:%s" % str(inst))
return http.HttpResponseServerError()
def api_send_transcation(request, version):
"""Send transaction for uri: /tx/send
response
-------
"""
try:
if request.method != "POST":
raise Exception("Require POST")
rawtx = request.POST.get('rawtx')
if not rawtx:
try:
data = json.loads(request.body)
if data:
rawtx = data['rawtx']
except:
pass
if not rawtx:
raise Exception("rawtx is empty.")
logger.info("api_send_transcation:rawtx:%s" % rawtx)
txid = provider_services.send_transaction(rawtx)
if not txid:
raise Exception("return txid is null")
return http.JsonResponse({'txid': txid})
except Exception, inst:
print inst
logger.exception("fail to send transaction:%s" % str(inst))
return http.HttpResponseServerError()
def api_for_dashboard(request):
try:
sync_stats = provider_models.Statistics.objects.filter(sync_type=codes.SyncType.SYNC_PROGRAM.value).first()
if not sync_stats:
result = {
'current_height': 0,
'total_transactions': 0,
'tps': 0,
'tx': 0
}
return http.JsonResponse(result)
current_height = sync_stats.block_height
fill_stats = provider_models.Statistics.objects.filter(sync_type=codes.SyncType.FILL_MISSING_PROGRAM.value).first()
if fill_stats:
total_transactions = sync_stats.transactions_number + fill_stats.transactions_number
else:
total_transactions = sync_stats.transactions_number
current_block = provider_models.Block.objects.order_by('-time')[0]
tps = int(current_block.txlength) / 3
tx = {}
time = current_block.time
tx[time] = current_block.txlength
result = {
'current_height': current_height,
'total_transactions': total_transactions,
'tps': tps,
'tx': tx
}
return http.JsonResponse(result)
except Exception, inst:
logger.exception("fail to show dashboard data:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_newblock(request, version):
"""Show the new block for uri: /newblock/
response
-------
"""
try:
result = {}
stats = provider_models.Statistics.objects.filter(
sync_type=codes.SyncType.SYNC_PROGRAM.value).first()
if not stats:
result['height'] = 0
return http.JsonResponse(result)
if stats.block_height:
new_height = stats.block_height
else:
new_height = provider_services.get_current_height()
if new_height:
result['height'] = new_height
return http.JsonResponse(result)
return http.HttpResponseNotFound()
except Exception, inst:
print inst
logger.exception("fail to show new block:%s" % str(inst))
return http.HttpResponseServerError()
def get_new_status_info(request):
try:
datetime_timestamp_list = []
datetime_str_list = []
txn_list = []
address_list = []
today = datetime.date.today()
today_timestamp = int(time.mktime(today.timetuple()))
datetime_timestamp_list.append(today_timestamp)
for i in range(14):
# day = today - datetime.timedelta(days=i)
# day_timestamp = int(time.mktime(day.timetuple()))
day_timestamp = datetime_timestamp_list[i] - 86400
datetime_timestamp_list.append(day_timestamp)
datetime_str_list.append(
datetime.datetime.fromtimestamp(day_timestamp).strftime(
'%Y-%m-%d'))
txn = provider_models.Transaction.objects.filter(
time__gte=day_timestamp,
time__lt=day_timestamp + 86400).count()
txn_list.append(txn)
address = provider_models.Address.objects.filter(
time__lt=day_timestamp + 86400).count()
address_list.append(address)
except Exception, inst:
logger.exception("fail to get new_status info:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_contract(request, version, contractAddr):
try:
contractAddr = addr_translation.b58check_decode(contractAddr)
contract_obj = provider_models.Contract.objects.filter(
contract_address=contractAddr).first()
if contract_obj:
contract = __convert_contract_to_json(contract_obj)
else:
raise Exception("contract does not exist!")
account_obj = provider_models.Account.objects.filter(
address=contract['contract_address']).first()
balance_issac = account_obj.balance
balance = Decimal(balance_issac) / 1000000000000000000
contract['balance'] = balance
tx_counts = account_obj.transactions_number + account_obj.missing_transactions_number
contract['tx_counts'] = tx_counts
contract['contract_address'] = addr_translation.address_encode(
contract['contract_address'])
contract['creator'] = addr_translation.address_encode(
contract['creator'])
result = {'contract': contract}
return http.JsonResponse(result)
except Exception, inst:
logger.exception("fail to show contract:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_transactions_by_addresses(request, version, addrs=None):
"""Show the transaction list of multiple addressed for uri: /addrs/<addrs>/txs
response
-------
"""
try:
result = {}
items = []
no_spent = False
start_pos = None
end_pos = None
if request.method != 'POST':
raise Exception("Require POST")
addrs = request.POST.get('addrs')
if not addrs:
try:
data = json.loads(request.body)
if data:
addrs = data['addrs']
except:
pass
if not addrs:
logger.error("api_show_transactions_by_addresses:no addrs")
raise Exception("no addrs")
# other parameters
no_spent = True if request.REQUEST.get('noSpent') == "1" else False
start_pos = request.REQUEST.get('from')
if start_pos:
start_pos = int(start_pos)
end_pos = request.REQUEST.get('to')
if end_pos:
end_pos = int(end_pos)
addrs = addrs.split(',')
current_height = provider_services.get_current_height()
for addr in addrs:
if no_spent:
rs = provider_models.Transaction.objects.filter(to_address=addr)
else:
rs = provider_models.Transaction.objects.filter(Q(from_address=addr) | Q(to_address=addr))
objs = rs.skip(start_pos).limit(end_pos - start_pos)
for obj in objs:
tmp = __convert_transaction_to_json(obj)
tmp['confirmations'] = current_height - obj.blockheight
items.append(tmp)
if start_pos != None and end_pos != None:
result['from'] = start_pos
result['to'] = end_pos
else:
result['from'] = 0
result['to'] = len(items)
result['totalItems'] = len(items)
result['items'] = items
return http.JsonResponse(result)
except Exception, inst:
print inst
logger.exception("fail to show transactions by addresses:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_client_transactions(request, version):
try:
addr = request.GET.get('addr')
if not addr:
addr = request.GET.get('address')
page_id = int(request.GET.get('pageNum', 1))
#if page_id > settings.MAX_PAGE_NUM:
# page_id = settings.MAX_PAGE_NUM
limit = int(request.GET.get('limit', settings.PAGE_SIZE))
if limit > settings.PAGE_SIZE:
limit = settings.PAGE_SIZE
total_page = 0
if addr:
addr = addr.lower()
tx_objs = provider_models.Transaction.objects.filter(
Q(from_address=addr)
| Q(to_address=addr)).order_by('-time').max_time_ms(
settings.MAX_SELERY_TIME)
account = provider_models.Account.objects.filter(
address=addr).first()
if not account:
result = {
"total": 0,
"limit": limit,
"page": page_id,
"pages": 1,
"docs": []
}
return http.JsonResponse(result)
cnt = account.transactions_number + account.missing_transactions_number
if cnt == 0:
total_page = 1
else:
if cnt % limit != 0:
total_page = (cnt / limit) + 1
else:
total_page = (cnt / limit)
objs = tx_objs.skip((page_id - 1) * limit).limit(limit)
else:
raise Exception("invalid parameter")
txs = []
current_height = provider_services.get_current_height()
for obj in objs:
item = __convert_transaction_to_client_json(obj)
item['confirmations'] = current_height - obj.blockheight
txs.append(item)
result = {
"total": cnt,
"limit": limit,
"page": page_id,
"pages": total_page,
"docs": txs
}
return http.JsonResponse(result)
except Exception, inst:
print inst
logger.exception("fail to show client transactions:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_client_transaction(request, version):
try:
txid = request.GET.get('txid')
if not txid:
logger.error("no txid")
return http.HttpResponseServerError()
tx = provider_models.Transaction.objects.filter(txid=txid).first()
if not tx:
logger.error("no tx")
return http.HttpResponseServerError()
current_height = provider_services.get_current_height()
item = __convert_transaction_to_client_json(tx)
item['confirmations'] = current_height - tx.blockheight
result = {"tx": item}
return http.JsonResponse(result)
except Exception, inst:
logger.exception("fail to show client transaction:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_addr_summary(request, version, addr):
""" show the address summary for uri: /addr/<addr>
response
-------
{
"addrStr": "muqq4M9KHTf1kVHWiciLirMybfy22gEA1K",
"balance": 381200.0273664,
"balanceSat": 38120002736640,
"totalReceived": 409500.029219,
"totalReceivedSat": 40950002921900,
"totalSent": 28300.0018526,
"totalSentSat": 2830000185260,
"unconfirmedBalance": 0,
"unconfirmedBalanceSat": 0,
"unconfirmedTxApperances": 0,
"txApperances": 8205
}
"""
try:
tx_type = request.GET.get('type', None)
if tx_type:
is_internal = True
else:
is_internal = False
eth_addr = addr_translation.b58check_decode(addr)
internal_list = provider_models.InternalTransaction.objects.filter(
to_address=eth_addr)
if internal_list:
has_internal = True
else:
has_internal = False
account = provider_models.Account.objects.filter(
address=eth_addr).first()
if account:
# caculate the txlength
txlength = account.transactions_number + account.missing_transactions_number
balance = account.balance
balanceSat = int(balance) / DECIMAL_SATOSHI
result = {
"addrStr": addr,
"balance": balanceSat,
"unconfirmedBalance": 0,
"unconfirmedBalanceSat": 0,
"unconfirmedTxApperances": 0,
"txApperances": txlength,
"is_internal": is_internal,
"has_internal": has_internal
}
return http.JsonResponse(result)
else:
return http.HttpResponseNotFound()
except Exception, inst:
print inst
logger.exception("fail to show transaction:%s" % str(inst))
return http.HttpResponseServerError()
def get_internal_transaction_info(txid):
""" get the internal transaction info
response
-------
{
"is_internal": True,
"internal_info": [
{
"from_contract": True,
"to_contract": True,
"contract_address": "NEW17xJKkRcaXhG9G51b5iy8vs37AVsTw9XPgGw",
"txid": "0x98aea2855d2d37d8a6fb86279da791bd52a619d49eeb43e5d1e2d6141e6da427",
"to_address": "NEW17xVxeVgdvwZ3Xoc84urTHwKoBVTR3Ai2Fxu",
"value": Decimal(1),
"time": 1561466541,
},
{
...
},
]
}
"""
try:
obj = provider_models.InternalTransaction.objects.filter(txid=txid).all()
res = {}
if obj:
res['is_internal'] = True
internal_info_list = []
for ele in obj:
internal_info = {}
from_contract_obj = provider_models.Contract.objects.filter(contract_address=ele.contract_address)
to_contract_obj = provider_models.Contract.objects.filter(contract_address=ele.to_address)
if from_contract_obj:
internal_info['from_contract'] = True
else:
internal_info['from_contract'] = False
if to_contract_obj:
internal_info['to_contract'] = True
else:
internal_info['to_contract'] = False
internal_info['contract_address'] = addr_translation.address_encode(ele.contract_address)
internal_info['txid'] = txid
internal_info['to_address'] = addr_translation.address_encode(ele.to_address)
internal_info['value'] = Decimal(ele.value) / DECIMAL_SATOSHI
internal_info['time'] = ele.time
internal_info_list.append(internal_info)
res['internal_info'] = internal_info_list
else:
res['is_internal'] = False
return res
except Exception, inst:
print inst
logger.exception("fail to show transactions:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_block_info_by_height(request, version, height):
"""Show the block info by height for uri: /block-index/<height>
"""
try:
height = int(height)
obj = provider_models.Block.objects.get(height=height)
return http.JsonResponse({'blockHash': obj.id})
except Exception, inst:
print inst
logger.exception("fail to show block info by height:%s" % str(inst))
return http.HttpResponseServerError()
def post_login(request):
try:
form = forms.LoginForm(request.POST)
if not form.is_valid():
return render(request, "login/index.html", locals())
username = form.cleaned_data['username']
password = form.cleaned_data['password']
user = authenticate(username=username, password=password)
if not user:
return render(request, "login/index.html", locals())
login(request, user)
return http.HttpResponseRedirect('/')
except Exception, inst:
return http.HttpResponseServerError()
def api_show_contracts_list(request, version):
try:
page_id = int(request.GET.get('pageNum', 1))
limit = int(request.GET.get('limit', settings.PAGE_SIZE))
if limit > settings.PAGE_SIZE:
limit = settings.PAGE_SIZE
contract_objs = provider_models.Contract.objects.order_by('-time')
statses = provider_models.Statistics.objects.filter()
cnt = 0
for stats in statses:
cnt += stats.contracts_number
if cnt == 0:
total_page = 1
else:
if cnt % settings.PAGE_SIZE != 0:
total_page = (cnt / settings.PAGE_SIZE) + 1
else:
total_page = (cnt / settings.PAGE_SIZE)
more = False
if total_page > 1:
more = True
contract_objs = contract_objs.skip(
(page_id - 1) * settings.PAGE_SIZE).limit(limit)
contract_list = []
for contract_obj in contract_objs:
contract = __convert_contract_to_json(contract_obj)
account_obj = provider_models.Account.objects.filter(
address=contract['contract_address']).first()
if not account_obj:
continue
balance_issac = account_obj.balance
balance = Decimal(balance_issac) / 1000000000000000000
contract['balance'] = balance
tx_counts = account_obj.transactions_number + account_obj.missing_transactions_number
contract['tx_counts'] = tx_counts
contract['contract_address'] = addr_translation.address_encode(
contract['contract_address'])
contract_list.append(contract)
result = {
'contract_list': contract_list,
'pagination': total_page,
'is_more': more
}
return http.JsonResponse(result)
except Exception, inst:
logger.exception("fail to show contract list:%s" % str(inst))
return http.HttpResponseServerError()
def add_post(request):
try:
instance = models.Accumulation()
instance.user = request.user
cycle_model = models.CycleModel.objects.last()
if cycle_model:
instance.cycle_id = cycle_model.id
print "cycle_model is:%s" % cycle_model.id
else:
print "no cycle"
form = forms.AccumulationForm(request.POST, instance=instance)
if not form.is_valid():
return render(request, "home/add-accumulation.html", locals())
instance = form.save(commit=True)
instance.save()
return http.HttpResponseRedirect('/')
except Exception, inst:
print "error is:%s" % inst
return http.HttpResponseServerError()
def api_get_estimatefee(request, version):
"""Calculate the translation's fee for url:utils/estimatefee/?nbBlocks=
response
-------
"""
try:
args = request.GET.get('nbBlocks')
result = {}
result[2] = 20000 / 1e8
if args and len(args) > 0:
nbBlocks = args.split(",")
for nbBlock in nbBlocks:
if int(nbBlock) == 1:
result[nbBlock] = 10000 / 1e8
elif int(nbBlock) == 3:
result[nbBlock] = 30000 / 1e8
return http.JsonResponse(result)
except Exception, inst:
return http.HttpResponseServerError()
def api_get_sync(request, version):
""" show the sync status summary for uri: /sync
"""
try:
current_height = provider_services.get_current_height()
today = datetime.datetime.now() + datetime.timedelta(minutes=-2)
start_ts = (today - datetime.datetime(1970, 1, 1)).total_seconds()
result = {
"blockChainHeight": current_height,
"height": current_height,
"status": _("finished"),
"syncPercentage": 100,
"type": _("newton supernode"),
"startTs": int(start_ts) * 1000,
"syncedBlocks": current_height,
}
return http.JsonResponse(result)
except Exception, inst:
print inst
logger.exception("fail to get sync:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_block_info(request, version, blockhash):
"""Show the block info by block hash key for uri: /block/<hash>
response
------
{
"hash":"00000000086267f5c9cf3d6d44ade95203a3cf713139d98a7b0a3e98947d4ded",
"size":201,
"height":8118,
"version":536870912,
"merkleroot":"bf04109823a6dedda7e07e47b421c36f116cff5b89e13e3c96ab4bfbcad87b33",
"tx":["bf04109823a6dedda7e07e47b421c36f116cff5b89e13e3c96ab4bfbcad87b33"],
"time":1508238076,
"nonce":2073973374,
"bits":"1c14c83f",
"difficulty":12.31803921,
"chainwork":"00000000000000000000000000000000000000000000000000004a1dfddcdea5",
"confirmations":1,
"previousblockhash":"000000000b3a33446a9feddc9462312e2fa4f5ba0316672c4b6ab4a37ad90aa4",
"reward":50,
"isMainChain":True,
"poolInfo":{}
}
"""
try:
current_height = provider_services.get_current_height()
obj = provider_models.Block.objects.get(blockhash=blockhash)
result = json.loads(obj.to_json())
result['hash'] = obj.id
result['isMainChain'] = True
result['confirmations'] = current_height - obj.height
result['current_net'] = settings.CURRENT_NET
validator_name, validator_url = handle_validator(result['validator'])
result['validator_name'] = validator_name
result['validator_url'] = validator_url
return http.JsonResponse(result)
except Exception, inst:
print inst
logger.exception("fail to show block info by hash:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_newtx(request, version):
"""Show the new transaction for uri: /newtx/
response
-------
"""
try:
objs = provider_models.Transaction.objects.order_by("-time")[0: 10]
current_height = provider_services.get_current_height()
txs = []
for obj in objs:
item = __convert_transaction_to_json(obj)
item['confirmations'] = current_height - obj.blockheight
value_issac = item['value']
value = Decimal(value_issac) / 1000000000000000000
item['value'] = value
txs.append(item)
return http.JsonResponse({'txs': txs})
except Exception, inst:
print inst
logger.exception("fail to show new transaction:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_blocks(request, version):
"""Show the block list for uri: /blocks
response
-------------------
{
"blocks":[
{
"height":8118,
"size":201,
"hash":"00000000086267f5c9cf3d6d44ade95203a3cf713139d98a7b0a3e98947d4ded",
"time":1508238076,
"txlength":1,
"poolInfo":{}
},],
"length":200,
"pagination":{
"next":"2017-10-18",
"prev":"2017-10-16",
"currentTs":1508284799,
"current":"2017-10-17",
"isToday":False,
"more":True,
"moreTs":1508284800}}
"""
try:
# handle the query parameters
block_date = request.GET.get('blockDate')
start_ts = request.GET.get('startTimestamp')
timezone = int(request.GET.get('timezone', 0))
limit = int(request.GET.get('limit', settings.PAGE_SIZE))
if limit > settings.PAGE_SIZE:
limit = settings.PAGE_SIZE
if block_date:
block_date = datetime.datetime.strptime(block_date, '%Y-%m-%d')
else:
today = datetime.datetime.today()
block_date = datetime.datetime(today.year, today.month, today.day)
if start_ts:
start_ts = int(start_ts)
else:
start_ts = 0
is_today = False
if block_date == datetime.datetime.today().date():
is_today = True
# add given timezone
# if timezone < 0:
# timezone = -timezone
gmt_date = block_date + datetime.timedelta(hours=timezone)
next_date = gmt_date + datetime.timedelta(days=1)
previous_date = gmt_date + datetime.timedelta(days=-1)
block_ts = gmt_date.timetuple()
block_ts = int(time.mktime(block_ts))
next_date_ts = next_date.timetuple()
next_date_ts = int(time.mktime(next_date_ts))
# query db
if start_ts > 0:
rs = provider_models.Block.objects.filter(time__gte=block_ts, time__lt=start_ts).order_by('-height')
else:
rs = provider_models.Block.objects.filter(time__gte=block_ts, time__lt=next_date_ts).order_by('-height')
cnt = rs.count()
is_more = False
more_ts = block_ts
if cnt > settings.PAGE_SIZE:
is_more = True
if cnt > 0:
rs = rs.limit(limit)
# output
blocks = []
for item in rs:
item.tx = ''
t = json.loads(item.to_json())
# workaround
t['hash'] = item.id
validator_name, validator_url = handle_validator(t['validator'])
t['validator_name'] = validator_name
t['validator_url'] = validator_url
blocks.append(t)
if blocks:
# get the last timestamp
more_ts = blocks[-1]['time']
result = {
'blocks': blocks,
'length': len(blocks),
'pagination': {
"next": next_date.strftime('%Y-%m-%d'),
"prev": previous_date.strftime('%Y-%m-%d'),
"currentTs": block_ts,
"current": block_date.strftime('%Y-%m-%d'),
"isToday": is_today,
"more": is_more,
"moreTs": more_ts,
}
}
return http.JsonResponse(result)
except Exception, inst:
print inst
logger.exception("fail to show blocks:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_top_accounts(request, version):
""" show the accounts ordered by balance descending
response
-------
{
"total_page": 1,
"current_page": 1,
"total_addresses": 210000,
"total_transactions": 32600,
"account_list": [
{
"rank": 1,
"address": "NEW17xJKkRcaXhG9G51b5iy8vs37AVsTw9XPgGw",
"balance": '1000000',
"txn_count": 273 # the number of transactions
},
]
}
"""
try:
page_id = int(request.GET.get('pageNum', 1))
res = {}
limit = int(request.GET.get('limit', settings.PAGE_SIZE))
if limit > settings.PAGE_SIZE:
limit = settings.PAGE_SIZE
if ":" in settings.MONGODB_HOST: # split MONGODB_HOST to host and port
mongo_list = settings.MONGODB_HOST.split(":")
client = MongoClient(mongo_list[0], int(mongo_list[1]))
else:
client = MongoClient(host=settings.MONGODB_HOST)
db = client[settings.BLOCK_CHAIN_DB_NAME]
collection = db['account']
objs = collection.find({}).collation({"locale": "en", "numericOrdering": True}).sort([("balance", -1), ("transactions_number", -1)])
if objs:
cnt = collection.count_documents({})
if cnt == 0:
total_page = 1
elif cnt >= settings.PAGE_SIZE * settings.ADDRESS_MAX_PAGE_NUM:
total_page = settings.ADDRESS_MAX_PAGE_NUM
else:
if cnt % settings.PAGE_SIZE != 0:
total_page = (cnt / settings.PAGE_SIZE) + 1
else:
total_page = (cnt / settings.PAGE_SIZE)
res['total_page'] = total_page
if page_id > total_page:
return http.JsonErrorResponse(error_message='large', data=res)
skip_num = (page_id - 1) * settings.PAGE_SIZE
obj = objs.skip(skip_num).limit(limit)
account_list = []
for index, ele in enumerate(obj):
account = {}
account['rank'] = skip_num + index + 1
account['address'] = addr_translation.address_encode(ele['_id'])
account['balance'] = Decimal(ele['balance']) / DECIMAL_SATOSHI
account['txn_count'] = ele['transactions_number']
account_list.append(account)
res['account_list'] = account_list
res['current_page'] = page_id
res['total_addresses'] = cnt
res['total_transactions'] = provider_models.Statistics.objects.first().transactions_number
client.close()
return http.JsonResponse(res)
except Exception, inst:
print inst
logger.exception("fail to show top accounts:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_transaction(request, version, txid):
""" show the transcation for uri: /tx
response
-------
{
"blockhash": "0000000009ca522f5611ecf15a46f808394b58b9d811951a5d62f9e94f7e7c81",
"blockheight": 7642,
"blocktime": 1508167763,
"confirmations": 477,
"isCoinBase": True,
"locktime": 0,
"size": 120,
"time": 1508167763,
"txid": "fb6b050d695bba36c00097cc74bd4744253e0ca8075dc7361f45c985c98412da",
"valueOut": 50,
"version": 1,
"vin": [
{
"coinbase": "02da1d00000000006266676d696e657220352e312e302d756e6b6e6f776e0004000000",
"n": 0,
"sequence": 4294967295
},
],
"vout": [
{
"n": 0,
"scriptPubKey": {
"addresses": ["muqq4M9KHTf1kVHWiciLirMybfy22gEA1K"],
"asm": "OP_DUP OP_HASH160 9d239fa987bbf55f160fd6cb370be033e4311cbe OP_EQUALVERIFY OP_CHECKSIG",
"hex": "76a9149d239fa987bbf55f160fd6cb370be033e4311cbe88ac",
"type": "pubkeyhash"
},
"value": "50.00000000"
},
]
}
"""
try:
obj = provider_models.Transaction.objects.filter(txid=txid).first()
if obj:
current_height = provider_services.get_current_height()
result = __convert_transaction_to_json(obj)
result['confirmations'] = current_height - obj.blockheight
from_contract = False
to_contract = False
from_contract_obj = provider_models.Contract.objects.filter(contract_address=result['from_address'])
to_contract_obj = provider_models.Contract.objects.filter(contract_address=result['to_address'])
if from_contract_obj:
from_contract = True
if to_contract_obj:
to_contract = True
result['from_contract'] = from_contract
result['to_contract'] = to_contract
from_address = addr_translation.address_encode(result['from_address'])
to_address = addr_translation.address_encode(result['to_address'])
result['from_addr'] = from_address
result['to_addr'] = to_address
value_issac = result['value']
value = Decimal(value_issac) / 1000000000000000000
result['value'] = value
final_fees = result['fees'] * result['fees_price']
result['fees'] = final_fees
res = get_internal_transaction_info(txid)
if res['is_internal']:
result['is_internal'] = True
result['internal_info'] = res['internal_info']
else:
result['is_internal'] = False
return http.JsonResponse(result)
else:
return http.HttpResponseNotFound()
except Exception, inst:
print inst
logger.exception("fail to show transaction:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_transaction_list(request, version):
"""Show the transaction list for uri: /trasactions
response
-------------------
{
"trans":[
{
"txid": "0x9b2e24df970697c1bf7add69711d3114302673bf3e753b975c2bbafaf0b5b3e2"
"value": 1888
"time": 1508238076,
},],
"length":200,
"pagination":{
"next":"2017-10-18",
"prev":"2017-10-16",
"currentTs":1508284799,
"current":"2017-10-17",
"isToday":False,
"more":True,
"moreTs":1508284800}}
"""
try:
# handle the query parameters
trans_date = request.GET.get('transDate')
start_ts = request.GET.get('startTimestamp')
timezone = int(request.GET.get('timezone', 0))
limit = int(request.GET.get('limit', settings.PAGE_SIZE))
if limit > settings.PAGE_SIZE:
limit = settings.PAGE_SIZE
if trans_date:
trans_date = datetime.datetime.strptime(trans_date, '%Y-%m-%d')
else:
today = datetime.datetime.today()
trans_date = datetime.datetime(today.year, today.month, today.day)
if start_ts:
start_ts = int(start_ts)
else:
start_ts = 0
is_today = False
if trans_date == datetime.datetime.today().date():
is_today = True
gmt_date = trans_date + datetime.timedelta(hours=timezone)
next_date = gmt_date + datetime.timedelta(days=1)
previous_date = gmt_date + datetime.timedelta(days=-1)
trans_ts = gmt_date.timetuple()
trans_ts = int(time.mktime(trans_ts))
next_date_ts = next_date.timetuple()
next_date_ts = int(time.mktime(next_date_ts))
# query db
if start_ts > 0:
rs = provider_models.Transaction.objects.filter(time__gte=trans_ts, time__lt=start_ts).order_by('-time')
else:
rs = provider_models.Transaction.objects.filter(time__gte=trans_ts, time__lt=next_date_ts).order_by('-time')
cnt = rs.count()
is_more = False
more_ts = trans_ts
if cnt > settings.PAGE_SIZE:
is_more = True
if cnt > 0:
rs = rs.limit(limit)
# output
trans = []
for items in rs:
item_dict = dict()
item_dict['txid'] = items.txid
item_dict['value'] = float(items.value) / 1000000000000000000
item_dict['time'] = items.time
trans.append(item_dict)
if trans:
# get the last timestamp
more_ts = trans[-1]['time']
result = {
'trans': trans,
'length': len(trans),
'pagination': {
"next": next_date.strftime('%Y-%m-%d'),
"prev": previous_date.strftime('%Y-%m-%d'),
"currentTs": trans_ts,
"current": trans_date.strftime('%Y-%m-%d'),
"isToday": is_today,
"more": is_more,
"moreTs": more_ts,
}
}
return http.JsonResponse(result)
except Exception, inst:
print inst
logger.exception("fail to show trasactions:%s" % str(inst))
return http.HttpResponseServerError()
def api_show_transactions(request, version):
""" show the transcations for uri: /txs
response
------
{
"pagesTotal": 1,
"txs": [
{
"blockhash": "0000000009ca522f5611ecf15a46f808394b58b9d811951a5d62f9e94f7e7c81",
"blockheight": 7642,
"blocktime": 1508167763,
"confirmations": 477,
"isCoinBase": True,
"locktime": 0,
"size": 120,
"time": 1508167763,
"txid": "fb6b050d695bba36c00097cc74bd4744253e0ca8075dc7361f45c985c98412da",
"valueOut": 50,
"version": 1,
"vin": [
{
"coinbase": "02da1d00000000006266676d696e657220352e312e302d756e6b6e6f776e0004000000",
"n": 0,
"sequence": 4294967295
},],
"vout": [
{
"n": 0,
"scriptPubKey": {
"addresses": ["muqq4M9KHTf1kVHWiciLirMybfy22gEA1K"],
"asm": "OP_DUP OP_HASH160 9d239fa987bbf55f160fd6cb370be033e4311cbe OP_EQUALVERIFY OP_CHECKSIG",
"hex": "76a9149d239fa987bbf55f160fd6cb370be033e4311cbe88ac",
"type": "pubkeyhash"
},
"value": "50.00000000"},]
},
]
}
"""
try:
tx_type = request.GET.get('type', None)
has_internal = False
blockhash = request.GET.get('block')
addr = request.GET.get('addr')
contract = request.GET.get('contract')
if not addr:
addr = request.GET.get('address')
if addr:
addr = addr_translation.b58check_decode(addr)
page_id = int(request.GET.get('pageNum', 1))
if page_id > settings.MAX_PAGE_NUM:
page_id = settings.MAX_PAGE_NUM
limit = int(request.GET.get('limit', settings.PAGE_SIZE))
if limit > settings.PAGE_SIZE:
limit = settings.PAGE_SIZE
if not addr and contract:
contract = addr_translation.b58check_decode(contract)
addr = contract
total_page = 0
if blockhash:
objs = provider_models.Transaction.objects.filter(blockhash=blockhash).max_time_ms(settings.MAX_SELERY_TIME)
block_obj = provider_models.Block.objects.filter(blockhash=blockhash).first()
cnt = block_obj.txlength
if cnt == 0:
total_page = 1
else:
if cnt % settings.PAGE_SIZE != 0:
total_page = (cnt / settings.PAGE_SIZE) + 1
else:
total_page = (cnt / settings.PAGE_SIZE)
objs = objs.skip(page_id * settings.PAGE_SIZE).limit(limit)
elif addr:
tx_objs = provider_models.InternalTransaction.objects.filter(to_address=addr).order_by('-time').max_time_ms(
settings.MAX_SELERY_TIME)
if tx_objs:
has_internal = True
if has_internal and tx_type == 'internal':
cnt = len(tx_objs)
if cnt == 0:
total_page = 1
else:
if cnt % settings.PAGE_SIZE != 0:
total_page = (cnt / settings.PAGE_SIZE) + 1
else:
total_page = (cnt / settings.PAGE_SIZE)
objs = tx_objs.skip(page_id * settings.PAGE_SIZE).limit(limit)
else:
tx_objs = provider_models.Transaction.objects.filter(Q(from_address=addr) | Q(to_address=addr)).order_by('-time').max_time_ms(settings.MAX_SELERY_TIME)
account = provider_models.Account.objects.filter(address=addr).first()
cnt = account.missing_transactions_number + account.transactions_number
if cnt == 0:
total_page = 1
else:
if cnt % settings.PAGE_SIZE != 0:
total_page = (cnt / settings.PAGE_SIZE) + 1
else:
total_page = (cnt / settings.PAGE_SIZE)
objs = tx_objs.skip(page_id * settings.PAGE_SIZE).limit(limit)
else:
raise Exception("invalid parameter")
txs = []
current_height = provider_services.get_current_height()
for obj in objs:
if has_internal and tx_type == 'internal':
item = {}
from_contract_obj = provider_models.Contract.objects.filter(contract_address=obj.contract_address)
to_contract_obj = provider_models.Contract.objects.filter(contract_address=obj.to_address)
if from_contract_obj:
item['from_contract'] = True
else:
item['from_contract'] = False
if to_contract_obj:
item['to_contract'] = True
else:
item['to_contract'] = False
item['contract_address'] = addr_translation.address_encode(obj.contract_address)
item['txid'] = obj.txid
item['to_address'] = addr_translation.address_encode(obj.to_address)
item['value'] = Decimal(obj.value) / DECIMAL_SATOSHI
item['time'] = obj.time
else:
item = __convert_transaction_to_json(obj)
item['confirmations'] = current_height - obj.blockheight
from_contract = False
to_contract = False
from_contract_obj = provider_models.Contract.objects.filter(contract_address=item['from_address'])
to_contract_obj = provider_models.Contract.objects.filter(contract_address=item['to_address'])
if from_contract_obj:
from_contract = True
if to_contract_obj:
to_contract = True
item['from_contract'] = from_contract
item['to_contract'] = to_contract
from_address = addr_translation.address_encode(item['from_address'])
to_address = addr_translation.address_encode(item['to_address'])
item['from_addr'] = from_address
item['to_addr'] = to_address
value_issac = item['value']
value = Decimal(value_issac) / 1000000000000000000
item['value'] = value
final_fees = item['fees'] * item['fees_price']
item['fees'] = final_fees
item['is_internal'] = False
res = get_internal_transaction_info(item['txid'])
if res['is_internal']:
item['is_internal_list'] = True
else:
item['is_internal_list'] = False
txs.append(item)
result = {
"pagesTotal": total_page,
"txs": txs
}
return http.JsonResponse(result)
except Exception, inst:
print inst
logger.exception("fail to show transactions:%s" % str(inst))
return http.HttpResponseServerError()
