Add store to disk

eth_stat_syncer/runnable/syncer.py

@@ -18,7 +18,10 @@ from chainlib.eth.connection import EthHTTPConnection
 from chainlib.eth.block import block_latest
 
 # local imports
-from eth_stat_syncer.store import GasAggregator
+from eth_stat_syncer.store import (
+        GasAggregator,
+        RunStore,
+        )
 
 logging.basicConfig(level=logging.WARNING)
 logg = logging.getLogger()
@@ -68,7 +71,8 @@ class GasPriceFilter(SyncFilter):
 
 
 def main():
-    gas_aggregator = GasAggregator(360)
+    gas_store = RunStore()
+    gas_aggregator = GasAggregator(gas_store, 360)
     gas_filter = GasPriceFilter(chain_spec, gas_aggregator)
 
     o = block_latest()

eth_stat_syncer/store.py

@@ -1,18 +1,42 @@
 # standard imports
+import os
 import logging
 import datetime
 
 logg = logging.getLogger().getChild(__name__)
 
+
+class RunStore:
+
+    def __init__(self, basedir='/run'):
+        self.procstore = os.path.join(basedir, 'eth_stat_syncerd')
+
+
+    def put(self, o, postfix):
+        for k in o:
+            file_path = os.path.join(self.procstore, postfix, k)
+            d = os.path.dirname(file_path)
+            try:
+                os.stat(d)
+            except FileNotFoundError:
+                os.makedirs(d)
+            f = open(file_path, 'w')
+            f.write(str(o[k]))
+            f.close()
+
+
 class GasAggregator:
 
-    def __init__(self, capacity):
+    def __init__(self, store, capacity):
+        self.store = store
         self.avg = 0
         self.count = 0
         self.timestamp = datetime.datetime.utcnow()
         self.buffer_cursor = 0
         self.buffer_capacity = capacity
-        self.buffer = [None] * self.buffer_capacity
+        self.buffer_average = [None] * self.buffer_capacity
+        self.buffer_high = [None] * self.buffer_capacity
+        self.buffer_low = [None] * self.buffer_capacity
         self.initial = False
         self.aggr = 0
         self.local_aggr = 0
@@ -43,10 +67,14 @@ class GasAggregator:
         self.local_count = 0
         if not self.initial:
             for i in range(self.buffer_capacity):
-                self.buffer[i] = v
+                self.buffer_average[i] = v
+                self.buffer_high[i] = self.local_high
+                self.buffer_low[i] = self.local_low
             self.initial = True
         else:
-            self.buffer[self.buffer_cursor] = v
+            self.buffer_average[self.buffer_cursor] = v
+            self.buffer_low[self.buffer_cursor] = self.local_low
+            self.buffer_high[self.buffer_cursor] = self.local_high
             self.buffer_cursor += 1
             self.buffer_cursor %= self.buffer_capacity
 
@@ -61,25 +89,43 @@ class GasAggregator:
         if n == 0:
             n = self.capacity
         
-        cursor = self.buffer_cursor 
-        aggr = 0
-        i = 0
-        while i < n:
-            v = self.buffer[cursor]
-            aggr += v
-            cursor -= 1
-            if cursor < 0:
-                cursor = self.buffer_capacity - 1
-            i += 1
+        aggrs = {
+                'average': 0,
+                'low': 0,
+                'high': 0,
+                }
+        for o in [
+                (self.buffer_average, 'average',),
+                (self.buffer_low, 'low',),
+                (self.buffer_high, 'high',),
+                ]:
+            cursor = self.buffer_cursor 
+            aggr = 0
+            i = 0
+            while i < n:
+                v = o[0][cursor]
+                aggrs[o[1]] += v
+                cursor -= 1
+                if cursor < 0:
+                    cursor = self.buffer_capacity - 1
+                i += 1
        
-        return int(aggr / n)
+        return {
+                'average': int(aggrs['average']/ n),
+                'high': int(aggrs['high']/ n),
+                'low': int(aggrs['low']/ n),
+                }
 
 
     def block_callback(self, block, tx):
         logg.info('synced {}'.format(block))
         if self.process():
-
-            v = self.get(10)
-            logg.info('last 6 average now {}'.format(v))
-            v = self.get(360)
-            logg.info('last 360 average now {}'.format(v))
+            last = self.get(1)
+            self.store.put(last, 'block')
+            minute = self.get(6)
+            self.store.put(minute, 'minute')
+            hour = self.get(360)
+            self.store.put(hour, 'hour')
+            self.store.put({
+                'average': int(self.aggr / self.count),
+                }, 'all')