def get_blocks_found_data(num_blocks):
##
# Returns data needed to create a *blocks found* chart over the past num_blocks history
blocks_found_data = []
latest_blocks = Pool_blocks.get_last_n(num_blocks)
for block in iter(latest_blocks):
blockdata = {}
blockdata["time"] = block.timestamp.strftime('%s')
blockdata["height"] = block.height
blocks_found_data.append(blockdata)
return blocks_found_data
def get_graph_rate_data(num_blocks):
##
# Returns data needed to create a *graph rate* chart over the past num_blocks history
graph_rate_data = []
latest_blocks = Pool_blocks.get_last_n(num_blocks)
for i in range(0, num_blocks - 5):
# rolling 5-block window
ratedata = {}
ts1 = latest_blocks[i].timestamp
ts2 = latest_blocks[i + 5].timestamp
difficulty = latest_blocks[i + 5].total_difficulty - latest_blocks[
i + 4].total_difficulty # XXX TODO: This isnt right
gps = calculate_graph_rate(difficulty, ts1, ts2, 5)
ratedata["height"] = latest_blocks[i + 5].height
ratedata["gps"] = gps
ratedata["timestamp"] = ts2.strftime('%s')
graph_rate_data.append(ratedata)
return graph_rate_data
def get_stats():
##
# Get current Network Info as seen by our grin node
stats_json = {}
last_n = 10 # Look at shares from the last N blocks to calculate avg time between
# Get the poolblocks from the DB
latest_blocks = Pool_blocks.get_last_n(last_n)
# Latest poolblock height
stats_json["height"] = latest_blocks[-1].height
# Latest poolblock hash
stats_json["latest_hash"] = latest_blocks[-1].hash
# Latest poolblock timestamp
stats_json["latest_timestamp"] = latest_blocks[-1].timestamp.strftime('%s')
# Avg time between poolblocks
found_every = (latest_blocks[-1].timestamp -
latest_blocks[0].timestamp).strftime('%s')
stats_json["found_every"] = found_every
# XXX TODO:
# # Pool graph rate
# stats_json["graph_rate"] = calculate_graph_rate(latest_difficulty, latest_blocks[0].timestamp, latest_blocks[-1].timestamp, last_n)
return stats_json