From d3a3a4bb6b90ae34ec953840a7712b5941458f7e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kjist=C3=B3f?= <mrtoth@strongds.hu>
Date: Sun, 3 Dec 2017 13:44:04 +0100
Subject: [PATCH] added start/step support to work() to support multithreading

---
 proofow.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/proofow.py b/proofow.py
index da06fb1..cd06c07 100644
--- a/proofow.py
+++ b/proofow.py
@@ -18,8 +18,8 @@ class pow_base:
         self._base = urandom(self._bits//8) if not base else base
         self._target = 2 ** (self._bits - difficulty)
 
-    def work(self, max_attempts=0):
-        cycles = count() if max_attempts == 0 else range(max_attempts)
+    def work(self, max_attempts=0, start=0, step=1):
+        cycles = count(start, step) if max_attempts == 0 else range(start, max_attempts, step)
         for nonce in cycles:
             if self.verify(nonce):
                 return nonce