Merge pull request jimmysong#202 from joelklabo/fix-tx-fetcher

Use Blockstream API for Fetching Transactions

Author: jimmysong

code-ch05/tx.py

@@ -21,14 +21,14 @@ class TxFetcher:
     @classmethod
     def get_url(cls, testnet=False):
         if testnet:
-            return 'http://testnet.programmingbitcoin.com'
+            return 'https://blockstream.info/testnet/api/'
         else:
-            return 'http://mainnet.programmingbitcoin.com'
+            return 'https://blockstream.info/api/'
 
     @classmethod
     def fetch(cls, tx_id, testnet=False, fresh=False):
         if fresh or (tx_id not in cls.cache):
-            url = '{}/tx/{}.hex'.format(cls.get_url(testnet), tx_id)
+            url = '{}/tx/{}/hex'.format(cls.get_url(testnet), tx_id)
             response = requests.get(url)
             try:
                 raw = bytes.fromhex(response.text.strip())

code-ch06/tx.py

@@ -20,14 +20,14 @@ class TxFetcher:
     @classmethod
     def get_url(cls, testnet=False):
         if testnet:
-            return 'http://testnet.programmingbitcoin.com'
+            return 'https://blockstream.info/testnet/api'
         else:
-            return 'http://mainnet.programmingbitcoin.com'
+            return 'https://blockstream.info/api'
 
     @classmethod
     def fetch(cls, tx_id, testnet=False, fresh=False):
         if fresh or (tx_id not in cls.cache):
-            url = '{}/tx/{}.hex'.format(cls.get_url(testnet), tx_id)
+            url = '{}/tx/{}/hex'.format(cls.get_url(testnet), tx_id)
             response = requests.get(url)
             try:
                 raw = bytes.fromhex(response.text.strip())

code-ch07/tx.py

@@ -22,14 +22,14 @@ class TxFetcher:
     @classmethod
     def get_url(cls, testnet=False):
         if testnet:
-            return 'http://testnet.programmingbitcoin.com'
+            return 'https://blockstream.info/testnet/api'
         else:
-            return 'http://mainnet.programmingbitcoin.com'
+            return 'https://blockstream.info/api'
 
     @classmethod
     def fetch(cls, tx_id, testnet=False, fresh=False):
         if fresh or (tx_id not in cls.cache):
-            url = '{}/tx/{}.hex'.format(cls.get_url(testnet), tx_id)
+            url = '{}/tx/{}/hex'.format(cls.get_url(testnet), tx_id)
             response = requests.get(url)
             try:
                 raw = bytes.fromhex(response.text.strip())

code-ch08/tx.py

@@ -22,9 +22,9 @@ class TxFetcher:
     @classmethod
     def get_url(cls, testnet=False):
         if testnet:
-            return 'http://testnet.programmingbitcoin.com'
+            return 'https://blockstream.info/testnet/api'
         else:
-            return 'http://mainnet.programmingbitcoin.com'
+            return 'https://blockstream.info/api'
 
     @classmethod
     def fetch(cls, tx_id, testnet=False, fresh=False):

code-ch09/tx.py

@@ -22,14 +22,14 @@ class TxFetcher:
     @classmethod
     def get_url(cls, testnet=False):
         if testnet:
-            return 'http://testnet.programmingbitcoin.com'
+            return 'https://blockstream.info/testnet/api'
         else:
-            return 'http://mainnet.programmingbitcoin.com'
+            return 'https://blockstream.info/api'
 
     @classmethod
     def fetch(cls, tx_id, testnet=False, fresh=False):
         if fresh or (tx_id not in cls.cache):
-            url = '{}/tx/{}.hex'.format(cls.get_url(testnet), tx_id)
+            url = '{}/tx/{}/hex'.format(cls.get_url(testnet), tx_id)
             response = requests.get(url)
             try:
                 raw = bytes.fromhex(response.text.strip())

code-ch10/tx.py

@@ -22,9 +22,9 @@ class TxFetcher:
     @classmethod
     def get_url(cls, testnet=False):
         if testnet:
-            return 'http://testnet.programmingbitcoin.com'
+            return 'https://blockstream.info/testnet/api'
         else:
-            return 'http://mainnet.programmingbitcoin.com'
+            return 'https://blockstream.info/api'
 
     @classmethod
     def fetch(cls, tx_id, testnet=False, fresh=False):

code-ch11/tx.py

@@ -22,14 +22,14 @@ class TxFetcher:
     @classmethod
     def get_url(cls, testnet=False):
         if testnet:
-            return 'http://testnet.programmingbitcoin.com'
+            return 'https://blockstream.info/testnet/api/'
         else:
-            return 'http://mainnet.programmingbitcoin.com'
+            return 'https://blockstream.info/api/'
 
     @classmethod
     def fetch(cls, tx_id, testnet=False, fresh=False):
         if fresh or (tx_id not in cls.cache):
-            url = '{}/tx/{}.hex'.format(cls.get_url(testnet), tx_id)
+            url = '{}/tx/{}/hex'.format(cls.get_url(testnet), tx_id)
             response = requests.get(url)
             try:
                 raw = bytes.fromhex(response.text.strip())

code-ch12/tx.py

@@ -22,14 +22,14 @@ class TxFetcher:
     @classmethod
     def get_url(cls, testnet=False):
         if testnet:
-            return 'http://testnet.programmingbitcoin.com'
+            return 'https://blockstream.info/testnet/api'
         else:
-            return 'http://mainnet.programmingbitcoin.com'
+            return 'https://blockstream.info/api'
 
     @classmethod
     def fetch(cls, tx_id, testnet=False, fresh=False):
         if fresh or (tx_id not in cls.cache):
-            url = '{}/tx/{}.hex'.format(cls.get_url(testnet), tx_id)
+            url = '{}/tx/{}/hex'.format(cls.get_url(testnet), tx_id)
             response = requests.get(url)
             try:
                 raw = bytes.fromhex(response.text.strip())

code-ch13/tx.py

@@ -18,18 +18,18 @@
 
 class TxFetcher:
     cache = {}
-
+    
     @classmethod
     def get_url(cls, testnet=False):
         if testnet:
-            return 'http://testnet.programmingbitcoin.com'
+            return 'https://blockstream.info/testnet/api'
         else:
-            return 'http://mainnet.programmingbitcoin.com'
+            return 'https://blockstream.info/api'
 
     @classmethod
     def fetch(cls, tx_id, testnet=False, fresh=False):
         if fresh or (tx_id not in cls.cache):
-            url = '{}/tx/{}.hex'.format(cls.get_url(testnet), tx_id)
+            url = '{}/tx/{}/hex'.format(cls.get_url(testnet), tx_id)
             response = requests.get(url)
             try:
                 raw = bytes.fromhex(response.text.strip())