Merge pull request #354 from emiliolalvarez/cert-issuer-fix-web3-support

Cert issuer fix web3 support

Author: lemoustachiste

cert_issuer/blockchain_handlers/ethereum/connectors.py

@@ -4,6 +4,7 @@
 import requests
 import web3
 from web3 import Web3, HTTPProvider
+from hexbytes import HexBytes
 
 try:
     from urllib2 import urlopen, HTTPError
@@ -167,7 +168,7 @@ def __init__(self, ethereum_url):
 
     def broadcast_tx(self, tx):
         logging.info('Broadcasting transaction with EthereumRPCProvider')
-        response = self.w3.eth.sendRawTransaction(tx).hex()
+        response = self.w3.eth.send_raw_transaction(HexBytes(tx)).hex()
         return response
 
     def get_balance(self, address):
@@ -184,7 +185,7 @@ def get_address_nonce(self, address):
         Necessary for the transaction creation.
         """
         logging.info('Fetching nonce with EthereumRPCProvider')
-        response = self.w3.eth.getTransactionCount(address, "pending")
+        response = self.w3.eth.get_transaction_count(address, "pending")
         return response
 
 

cert_issuer/blockchain_handlers/ethereum/signer.py

@@ -30,7 +30,7 @@ def sign_transaction(self, wif, transaction_to_sign):
         if isinstance(transaction_to_sign, dict):
             try:
                 transaction_to_sign['chainId'] = self.netcode
-                raw_tx = web3.Account.sign_transaction(transaction_to_sign, wif)['rawTransaction']
+                raw_tx = web3.Account.sign_transaction(transaction_to_sign, wif).raw_transaction
                 raw_tx_hex = to_hex(raw_tx)
                 return raw_tx_hex
             except Exception as msg: