def transaction_spent(thash):
data = Transaction().spent(thash)
outputs = []
if data["error"] is None:
result = data["result"]
for output in result:
item = {"spent": output["spent"]}
if output["spent"]:
block = Block().height(output["height"])["result"]
item["txid"] = output["txid"]
item["vin"] = output["vin"]
item["status"] = {
"confirmed": True,
"block_height": block["height"],
"block_hash": block["hash"],
"block_time": block["time"]
}
outputs.append(item)
return jsonify(outputs)
else:
return Response("Transaction not found",
mimetype="text/plain",
status=404)
def plain_block_hash(height):
data = Block().height(height)
if data["error"] is None:
return Response(data["result"]["hash"], mimetype="text/plain")
else:
return Response("Block not found", mimetype="text/plain", status=404)
def block_by_hash(args, bhash):
offset = args["offset"]
data = Block().hash(bhash)
if data["error"] is None:
data["result"]["tx"] = data["result"]["tx"][offset:offset + 10]
return jsonify(data)
def blocks_by_range(args, height):
offset = args["offset"]
if offset > 100:
offset = 100
result = Block().range(height, offset)
return jsonify(utils.response(result))
def block_by_height(args, height):
offset = args["offset"]
data = Block().height(height)
if data["error"] is None:
data["result"]["tx"] = data["result"]["tx"][offset:offset + 10]
return jsonify(data)
def subscription_loop():
bestblockhash = None
mempool = []
while True:
data = General().info()
if "result" in data:
if "bestblockhash" in data["result"]:
if data["result"]["bestblockhash"] != bestblockhash:
bestblockhash = data["result"]["bestblockhash"]
sio.emit("block.update",
utils.response({
"height": data["result"]["blocks"],
"hash": bestblockhash
}),
room="blocks")
updates = Block().inputs(bestblockhash)
for address in updates:
mempool = list(set(mempool) - set(updates[address]))
sio.emit("address.update",
utils.response({
"address":
address,
"tx":
updates[address],
"height":
data["result"]["blocks"],
"hash":
bestblockhash
}),
room=address)
data = General().mempool()
temp_mempool = []
if not data["error"]:
updates = Transaction.addresses(data["result"]["tx"])
for address in updates:
updates[address] = list(
set(updates[address]) - set(mempool))
temp_mempool += updates[address]
if len(updates[address]) > 0:
sio.emit("address.update",
utils.response({
"address": address,
"tx": updates[address],
"height": None,
"hash": None
}),
room=address)
mempool = list(set(mempool + temp_mempool))
sio.sleep(0)
def block_by_hash(bhash):
offset = request.args.get("offset")
offset = int(0 if offset is None else offset)
data = Block().hash(bhash)
if data["error"] is None:
data["result"]["tx"] = data["result"]["tx"][offset:offset + 10]
return jsonify(data)
def block_hash(bhash):
data = Block().hash(bhash)
if data["error"] is None:
result = data["result"]
return Esplora().block(result)
else:
return Response("Block not found", mimetype="text/plain", status=404)
def blocks_by_range(height):
offset = request.args.get("offset")
offset = int(0 if offset is None else offset)
if offset > 100:
offset = 100
result = Block().range(height, offset)
return jsonify(utils.response(result))
def get(self, height):
parser = reqparse.RequestParser()
parser.add_argument('offset', type=int, default=30)
args = parser.parse_args()
if args['offset'] > 100:
args['offset'] = 100
result = Block().range(height, args['offset'])
return utils.response(result)
def get(self, bhash):
parser = reqparse.RequestParser()
parser.add_argument('offset', type=int, default=0)
args = parser.parse_args()
data = Block().hash(bhash)
if data['error'] is None:
data['result']['tx'] = data['result']['tx'][
args['offset']:args['offset'] + 10]
return data
def get(self, bhash):
parser = reqparse.RequestParser()
parser.add_argument("offset", type=int, default=0)
args = parser.parse_args()
data = Block().hash(bhash)
if data["error"] is None:
data["result"]["tx"] = data["result"]["tx"][
args["offset"]:args["offset"] + 10]
return data
def blocks_range(height):
data = General().info()
blocks = []
if not height:
height = data["result"]["blocks"]
data = Block().range(height, config.block_page)
for block in data:
blocks.append(Esplora().block(block))
return jsonify(blocks)
def block_status(bhash):
data = Block().hash(bhash)
next_best = None
height = None
best = False
if data["error"] is None:
result = data["result"]
next_best = result[
"nextblockhash"] if "nextblockhash" in result else None
height = result["height"]
best = True
return {"in_best_chain": best, "height": height, "next_best": next_best}
def init():
bestblockhash = None
while True:
data = General().info()
if data['result']['bestblockhash'] != bestblockhash:
bestblockhash = data['result']['bestblockhash']
sio.emit('block.update',
utils.response({
'height': data['result']['blocks'],
'hash': bestblockhash
}),
room='blocks')
updates = Block().inputs(bestblockhash)
for address in updates:
mempool = list(set(state.mempool) - set(updates[address]))
if address in state.rooms:
sio.emit('address.update',
utils.response({
'address': address,
'tx': updates[address],
'height': data['result']['blocks'],
'hash': bestblockhash
}),
room=address)
data = General().mempool()
updates = Transaction().addresses(data['result']['tx'])
temp_mempool = []
for address in updates:
updates[address] = list(set(updates[address]) - set(mempool))
temp_mempool += updates[address]
if address in state.rooms:
if len(updates[address]) > 0:
sio.emit('address.update',
utils.response({
'address': address,
'tx': updates[address],
'height': None,
'hash': None
}),
room=address)
mempool = list(set(mempool + temp_mempool))
def block_transactions(bhash, start=0):
data = Block().hash(bhash)
transactions = []
if start % config.tx_page != 0:
return Response(
f"start index must be a multipication of {config.tx_page}",
mimetype="text/plain",
status=400)
if data["error"] is None:
result = data["result"]
for thash in result["tx"][start:start + config.tx_page]:
transaction = Transaction().info(thash)["result"]
transactions.append(Esplora().transaction(transaction))
return jsonify(transactions)
else:
return Response("Block not found", mimetype="text/plain", status=404)
def get(self, height):
return Block().get(height)
def hash_by_height(height):
return jsonify(Block().get(height))
