Merge branch 'master' of https://github.com/yoavhenig/BitcoinReading.git

yoavhenig · Jul 14, 2019 · 63e8888 · 63e8888
2 parents f091d5a + 3855e47
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diff --git a/1. Introduction/1. Questions.docx b/1. Introduction/1. Questions.docx
diff --git a/1. Introduction/1. Questions.pdf b/1. Introduction/1. Questions.pdf
diff --git a/1. Introduction/Bitcoin - Introduction.docx b/1. Introduction/Bitcoin - Introduction.docx
diff --git a/1. Introduction/Bitcoin - Introduction.pdf b/1. Introduction/Bitcoin - Introduction.pdf
diff --git a/2. How Bitcoin Works/2. Questions.docx b/2. How Bitcoin Works/2. Questions.docx
diff --git a/2. How Bitcoin Works/2. Questions.pdf b/2. How Bitcoin Works/2. Questions.pdf
diff --git a/2. How Bitcoin Works/How Bitcoin Works.docx b/2. How Bitcoin Works/How Bitcoin Works.docx
diff --git a/2. How Bitcoin Works/How Bitcoin Works.pdf b/2. How Bitcoin Works/How Bitcoin Works.pdf
diff --git a/3. Bitcoin Core/3. Questions.docx b/3. Bitcoin Core/3. Questions.docx
diff --git a/3. Bitcoin Core/3. Questions.pdf b/3. Bitcoin Core/3. Questions.pdf
diff --git a/3. Bitcoin Core/bitcoin development environment.docx b/3. Bitcoin Core/bitcoin development environment.docx
diff --git a/3. Bitcoin Core/bitcoin development environment.pdf b/3. Bitcoin Core/bitcoin development environment.pdf
diff --git a/3. Bitcoin Core/daemonCommands.py b/3. Bitcoin Core/daemonCommands.py
@@ -0,0 +1,32 @@
+import os
+import subprocess
+import time
+import re
+
+os.system(r"bitcoind -daemon")
+time.sleep(9)
+
+cmd = ['bitcoin-cli', 'getblockchaininfo']
+proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+
+output = proc.communicate()[0].decode('ascii') # all blockchaininfo as a string
+
+os.system(r"bitcoin-cli stop")
+
+
+try:
+    blocks = re.search('"blocks": (.+?),\n', output).group(1)
+except AttributeError:
+    # not found in the output
+    blocks = 'not found any blocks' # apply your error handling
+
+try:
+    diff = re.search('"difficulty": (.+?),\n', output).group(1)
+except AttributeError:
+    # not found in the output
+    diff = 'not found any difficulty' # apply your error handling
+
+
+
+print("blobks:",blocks)
+print("difficulty:",diff)
diff --git a/4. Keys, Addresses/4. Questions.pdf b/4. Keys, Addresses/4. Questions.pdf
diff --git a/4. Keys, Addresses/Keys, Addresses.pdf b/4. Keys, Addresses/Keys, Addresses.pdf
diff --git a/4. Keys, Addresses/Question.docx b/4. Keys, Addresses/Question.docx
diff --git a/5. Wallets/5. Questions.docx b/5. Wallets/5. Questions.docx
diff --git a/5. Wallets/5. Questions.pdf b/5. Wallets/5. Questions.pdf
diff --git a/5. Wallets/Wallets.docx b/5. Wallets/Wallets.docx
diff --git a/5. Wallets/Wallets.pdf b/5. Wallets/Wallets.pdf
diff --git a/5. Wallets/~$ Questions.docx b/5. Wallets/~$ Questions.docx
diff --git a/6. Transactions/6. Questions.docx b/6. Transactions/6. Questions.docx
diff --git a/6. Transactions/6. Questions.pdf b/6. Transactions/6. Questions.pdf
diff --git a/6. Transactions/Transactions.docx b/6. Transactions/Transactions.docx
diff --git a/6. Transactions/Transactions.pdf b/6. Transactions/Transactions.pdf
diff --git a/7. Advanced Tx and Scripting/7. Questions.docx b/7. Advanced Tx and Scripting/7. Questions.docx
diff --git a/7. Advanced Tx and Scripting/7. Questions.pdf b/7. Advanced Tx and Scripting/7. Questions.pdf
diff --git a/7. Advanced Tx and Scripting/Advanced Tx and Scripting.docx b/7. Advanced Tx and Scripting/Advanced Tx and Scripting.docx
diff --git a/7. Advanced Tx and Scripting/Advanced Tx and Scripting.pdf b/7. Advanced Tx and Scripting/Advanced Tx and Scripting.pdf
diff --git a/README.md b/README.md
@@ -4,8 +4,8 @@
 Base on "Mastering Bitcoin" - by Andreas M. Antonopoulos, O'REILLY.
 
 <img src="https://github.com/yoavhenig/BitcoinReading/blob/master/1.%20Introduction/Mastering%20Bitcoin%20book.JPG" width="200">
-
-https://unglueit-files.s3.amazonaws.com/ebf/05db7df4f31840f0a873d6ea14dcc28d.pdf
+<br />https://www.oreilly.com/library/view/mastering-bitcoin/9781491902639/cover.html or
+<br />https://unglueit-files.s3.amazonaws.com/ebf/05db7df4f31840f0a873d6ea14dcc28d.pdf (old version in pdf)
 
 Supervisor: Dr. Erel Segal Halevi