Add eth utils and readme

README.md

@@ -0,0 +1,17 @@
+# Chainwalker Utilities
+
+This repo is home to Flipsides chainwalkers python utilities package. A central repo that packeges up various python modules that can be used across chainwalkers projects.
+
+## Modules
+
+### Tendermint Utils
+
+Collection of common methods used to interact with tendermint based chains (Cosmos, Kava, Binance)
+
+### Eth utils
+
+Collection of common methods used across eth based chains
+
+## Install
+
+`pip install git+ssh://git@github.com/FlipsideCrypto/chainwalkers-utils.git`

build/lib/eth_utils/__init__.py

@@ -0,0 +1 @@
+from eth_utils.jsonrpc import JsonRpcCaller

build/lib/eth_utils/decimals.py

@@ -0,0 +1,7 @@
+def hex_to_decimal(hex_value):
+    if hex_value == '0x':
+        return 0
+    return int(hex_value, 16)
+
+def decimal_to_hex(decimal):
+    return hex(decimal)

build/lib/eth_utils/jsonrpc.py

@@ -0,0 +1,62 @@
+import requests
+import json
+import base64
+import time
+
+class RpcCallFailedException(Exception):
+    pass
+
+class JsonRpcCaller(object):
+
+    def __init__(self, node_url, user=None, password=None, tls=False, tlsVerify=False):
+        self.url = node_url
+        self.user = user
+        self.password = password
+        self.tls = tls
+        self.tlsVerify = tlsVerify
+
+    def _make_rpc_call(self, headers, payload, json):
+        try:
+            response = requests.post(
+                self.url,
+                headers=headers,
+                data=payload,
+                json=json,
+                verify=(self.tls and self.tlsVerify)
+            )
+        except Exception as e:
+            raise RpcCallFailedException(e)
+
+        if response.status_code != 200:
+            raise RpcCallFailedException("Invalid status code: %s" % response.status_code)
+
+        responseJson = response.json(parse_float=lambda f: f)
+
+        if type(responseJson) != list:
+            if "error" in responseJson and responseJson["error"] is not None:
+                raise RpcCallFailedException("RPC call error: %s" % responseJson["error"])
+            else:
+                return responseJson.get('result')
+        else:
+            result = []
+            for subResult in responseJson:
+                if "error" in subResult and subResult["error"] is not None:
+                    raise RpcCallFailedException("RPC call error: %s" % subResult["error"])
+                else:
+                    result.append(subResult["result"])
+            return result
+
+    def call(self, method, params=None, query=None):
+        if params is None:
+            params = []
+        headers = {'content-type': 'application/json'}
+        payload = json.dumps({"jsonrpc": "2.0", "id": "0", "method": method, "params": params})
+        if query: # GQL Hack
+            return self._make_rpc_call(headers, payload=None, json={'query': query})
+        return self._make_rpc_call(headers, payload, json=None)
+
+    def bulk_call(self, methodParamsTuples):
+        headers = {'content-type': 'application/json'}
+        payload = json.dumps([{"jsonrpc": "2.0", "id": "0", "method": method, "params": params}
+                              for method, params in methodParamsTuples])
+        return self._make_rpc_call(headers, payload)

chainwalkers_utils.egg-info/PKG-INFO

@@ -1,4 +1,4 @@
-Metadata-Version: 1.0
+Metadata-Version: 2.1
 Name: chainwalkers-utils
 Version: 0.0.4
 Summary: Collection of utilities to be used across chainwalkers repos
@@ -6,5 +6,22 @@ Home-page: git@github.com:FlipsideCrypto/chainwalkers-utils.git
 Author: Brian Ford
 Author-email: brian@flipsidecrypto.com
 License: unlicense
-Description: UNKNOWN
+Description: # Chainwalker Utilities
+        
+        This repo is home to Flipsides chainwalkers python utilities package. A central repo that packeges up various python modules that can be used across chainwalkers projects.
+        
+        ## Modules
+        
+        ### Tendermint Utils
+        
+        Collection of common methods used to interact with tendermint based chains (Cosmos, Kava, Binance)
+        
+        ### Eth utils
+        
+        Collection of common methods used across eth based chains
+        
+        ## Install
+        
+        `pip install git+ssh://git@github.com/FlipsideCrypto/chainwalkers-utils.git`
 Platform: UNKNOWN
+Description-Content-Type: text/markdown

chainwalkers_utils.egg-info/SOURCES.txt

@@ -1,8 +1,12 @@
+README.md
 setup.py
 chainwalkers_utils.egg-info/PKG-INFO
 chainwalkers_utils.egg-info/SOURCES.txt
 chainwalkers_utils.egg-info/dependency_links.txt
 chainwalkers_utils.egg-info/not-zip-safe
 chainwalkers_utils.egg-info/top_level.txt
-tendermint/__init__.py
+eth_utils/__init__.py
-tendermint/rpc.py
+eth_utils/decimals.py
+eth_utils/jsonrpc.py
+tendermint_utils/__init__.py
+tendermint_utils/rpc.py

chainwalkers_utils.egg-info/top_level.txt

@@ -1 +1,2 @@
-tendermint
+eth_utils
+tendermint_utils

eth_utils/__init__.py

@@ -0,0 +1 @@
+from eth_utils.jsonrpc import JsonRpcCaller

eth_utils/decimals.py

@@ -0,0 +1,7 @@
+def hex_to_decimal(hex_value):
+    if hex_value == '0x':
+        return 0
+    return int(hex_value, 16)
+
+def decimal_to_hex(decimal):
+    return hex(decimal)

eth_utils/jsonrpc.py

@@ -0,0 +1,62 @@
+import requests
+import json
+import base64
+import time
+
+class RpcCallFailedException(Exception):
+    pass
+
+class JsonRpcCaller(object):
+
+    def __init__(self, node_url, user=None, password=None, tls=False, tlsVerify=False):
+        self.url = node_url
+        self.user = user
+        self.password = password
+        self.tls = tls
+        self.tlsVerify = tlsVerify
+
+    def _make_rpc_call(self, headers, payload, json):
+        try:
+            response = requests.post(
+                self.url,
+                headers=headers,
+                data=payload,
+                json=json,
+                verify=(self.tls and self.tlsVerify)
+            )
+        except Exception as e:
+            raise RpcCallFailedException(e)
+
+        if response.status_code != 200:
+            raise RpcCallFailedException("Invalid status code: %s" % response.status_code)
+
+        responseJson = response.json(parse_float=lambda f: f)
+
+        if type(responseJson) != list:
+            if "error" in responseJson and responseJson["error"] is not None:
+                raise RpcCallFailedException("RPC call error: %s" % responseJson["error"])
+            else:
+                return responseJson.get('result')
+        else:
+            result = []
+            for subResult in responseJson:
+                if "error" in subResult and subResult["error"] is not None:
+                    raise RpcCallFailedException("RPC call error: %s" % subResult["error"])
+                else:
+                    result.append(subResult["result"])
+            return result
+
+    def call(self, method, params=None, query=None):
+        if params is None:
+            params = []
+        headers = {'content-type': 'application/json'}
+        payload = json.dumps({"jsonrpc": "2.0", "id": "0", "method": method, "params": params})
+        if query: # GQL Hack
+            return self._make_rpc_call(headers, payload=None, json={'query': query})
+        return self._make_rpc_call(headers, payload, json=None)
+
+    def bulk_call(self, methodParamsTuples):
+        headers = {'content-type': 'application/json'}
+        payload = json.dumps([{"jsonrpc": "2.0", "id": "0", "method": method, "params": params}
+                              for method, params in methodParamsTuples])
+        return self._make_rpc_call(headers, payload)

setup.py

@@ -1,9 +1,14 @@
 import setuptools
 
+with open("README.md", "r") as fh:
+    long_description = fh.read()
+
 setuptools.setup(
     name='chainwalkers_utils',
     version='0.0.4',
     description='Collection of utilities to be used across chainwalkers repos',
+    long_description=long_description,
+    long_description_content_type="text/markdown",
     url='git@github.com:FlipsideCrypto/chainwalkers-utils.git',
     author='Brian Ford',
     author_email='brian@flipsidecrypto.com',

tendermint_utils/__init__.py

@@ -0,0 +1 @@
+from tendermint.rpc import TendermintRPC

tendermint_utils/rpc.py

@@ -0,0 +1,85 @@
+import json
+import requests
+
+class TendermintRPC:
+
+    def __init__(self, node_url):
+        self.node_url = node_url
+
+    def get_block_height(self):
+        try:
+            response = requests.get(self.node_url+ '/abci_info?')
+            response.raise_for_status()
+            data = response.json()
+            return data['result']['response']['last_block_height']
+        except Exception as err:
+            print(f'An error occured retrieving the latest block height: {err}')
+
+    def get_block(self, height):
+        try:
+            response = requests.get(self.node_url + '/block?height=' + str(height))
+            response.raise_for_status()
+            data = response.json()
+            block = self.init_block(data['result'])
+
+            block_results = self.get_block_results(height)
+            
+            # Capture transactions and underlying events
+            block_transactions = self.get_transactions_by_block(height)
+            if block_transactions['txs']:
+                for tx in block_transactions['txs']:
+                    block_tx = self.get_transactions_by_hash(tx['hash'])
+                    block.add_transaction(block_tx)
+            
+            # Capture begin block events ()
+            if block_results['results']['begin_block']:
+                for event in block_results['results']['begin_block']['events']:
+                    block.begin_block.append(event)
+            
+            block.end_block = block_results['results']['end_block']
+
+            block_validators = self.get_block_validators(height)
+            for validator in block_validators['validators']:
+                block.validators.append(validator)
+
+            return block
+        except Exception as err:
+            print(f'An error occured retrieving block: {err}')
+
+    def get_block_results(self, height):
+        try:
+            response = requests.get(self.node_url + '/block_results?height=' + str(height))
+            response.raise_for_status()
+            data = response.json()
+            return data['result']
+        except Exception as err:
+            print(f'An error occured retrieving the results of block height: {err}')
+
+    # Need ANKR to turn on indexing at node level for this call to work properly
+    def get_transactions_by_block(self, height):
+        try:
+            response = requests.get(self.node_url + '/tx_search?query=\"tx.height=' + str(height) + '\"&prove=true')
+            response.raise_for_status()
+            data = response.json()
+            return data['result']
+        except Exception as err:
+            print(f'An error occured retrieving the transactions in block: {err}')
+
+    def get_transactions_by_hash(self, tx_hash):
+        try:
+            response = requests.get(self.node_url + '/tx?hash=' + tx_hash)
+            response.raise_for_status()
+            data = response.json()
+            return data
+        except Exception as err:
+            print(f'An error occured retrieving the transaction by hash: {err}')
+
+    # Currently returning the following response "Height must be less than or equal to the current blockchain height"
+    def get_block_validators(self, height):
+        try:
+            response = requests.get(self.node_url + '/validators?height=' + str(height))
+            response.raise_for_status()
+            data = response.json()
+            return data['result']
+        except Exception as err:
+            print(f'An error occured retrieving the validators for block height: {err}')