add calculate.py, requirements.txt; update README.md

README.md

@@ -4,4 +4,6 @@ This program calculates how much $WOW a certain hashrate can mine in a period of
 
 All the logic was taken from [wownerod](https://git.wownero.com/wownero/wownero).
 
+To install the dependencies simply run `pip install -r requirements.txt`.
+
 License: GPL3.0

calculate.py

@@ -0,0 +1,67 @@
+# GPL3.0 licensed
+# Developed by r3dwall
+# http://git.qwik.i2p/r3dwall/wow-calculator
+
+# Import requests to get latest informations
+import requests
+import sys
+
+# Get hashrate
+hr = float(input("Your current hashrate: "))
+
+# Ask permission to make request
+ask = input("Can I get the latest info to calculate?(Y/N): ")
+if ask.lower() != "y":
+    print("To use a proxy, try proxychains")
+    sys.exit()
+
+# Get data from last block
+getlastblockheader = requests.post("http://muchwow.lol:34568/json_rpc", json={"jsonrpc":"2.0","id":"0","method":"getlastblockheader"}, headers={"Content-Type": "application/json"})
+
+# Get general info from network
+get_info = requests.post("http://muchwow.lol:34568/json_rpc", json={"jsonrpc":"2.0","id":"0","method":"get_info"}, headers={"Content-Type": "application/json"})
+
+# Transform into a json readable format
+get_info_json = get_info.json()
+getlastblockheader_json = getlastblockheader.json()
+
+# Declare necessary variables for calculation
+difficulty = get_info_json["result"]["difficulty"]  # Average number of hashes to find a valid one
+block_target = get_info_json["result"]["target"] # Target time (in seconds) for the block to be mined
+reward = getlastblockheader_json["result"]["block_header"]["reward"]/100000000000  # Amount of $WOW rewarded for mining a block
+
+# Print some current information
+print("Difficulty: {}".format(difficulty))
+print("Block target: {} seconds".format(block_target))
+print("Reward per block: {} WOW\n".format(reward))
+
+# ratio is the division of the number of hashes to be generated in a block_target by the theorical needed number of hashes (difficulty)
+ratio = (hr * block_target) / difficulty
+
+# Daily, weekly, monthly and yearly expected rewards
+daily = float('%.3f'%((86400 / block_target) * reward * ratio))
+weekly = '%.3f'%(daily * 4.32)
+monthly = '%.3f'%(daily * 30.5)
+yearly = '%.3f'%(daily * 365)
+
+# Array of units for time
+units = {"seconds":1, "minutes":60, "hours":60, "days":24}
+
+# Variables for storing the time values
+unit = ""
+time = difficulty / hr # Time in seconds to find a block
+
+# Find the best unit
+for u in units:
+    if time/units[u] < 1:
+        break
+    else:
+        unit = u
+        time = time / units[u]
+
+# Round up the time
+time = '%.3f'%(time)
+
+# Print the results
+print("With {0}H/s, it will take you around {1} {2} to mine a block".format(hr, time, unit))
+print("Expected gains: {0} WOW daily, {1} WOW weekly, {2} WOW monthly and {3} WOW yearly".format(daily, weekly, monthly, yearly))

requirements.txt

@@ -0,0 +1 @@
+requests