Try to understand the code mentioned in this issue:hyperledger/besu-d…

…ocs#1009

web3_gh_issue.py

@@ -0,0 +1,40 @@
+import json
+from web3 import Web3
+from web3.middleware import geth_poa_middleware
+
+#w3 = Web3(Web3.HTTPProvider(httpUrls[nodes[0]]))
+urlConn = 'http://127.0.0.1:8545'
+w3 = Web3(Web3.HTTPProvider(urlConn))
+w3.middleware_onion.inject(geth_poa_middleware, layer=0)
+
+'''
+genesisFile = 'genesis.json'
+with open(genesisFile, 'r') as f:
+    data = json.load(f)['alloc']
+addrKeys = [addr for addr in data.keys()]
+addrs = [Web3.toChecksumAddress(addr) for addr in addrKeys]
+'''
+
+print('Connected to Besu: ', w3.isConnected(), 'Node: ', urlConn, w3.clientVersion)
+
+with open('contracts/SimpleStorage.json') as file:
+    compiled = json.load(file)
+contractAbi = compiled['abi']
+contractBin = compiled['bytecode']
+contractInit = "000000000000000000000000000000000000000000000000000000000000002F"
+fromAddress = addrs[0]
+rawtxOptions = {
+    'nonce': w3.eth.get_transaction_count(fromAddress),
+    'from': fromAddress,
+    'to': None,
+    'value': '0x00',
+    'data': contractBin+contractInit,
+    'gas': 90000,
+    'gasPrice': 18000000000,
+    'chainId': 1337
+}
+priv_key = data[addrKeys[0]]['privateKey']
+signed_txn = w3.eth.account.sign_transaction(rawtxOptions, priv_key)
+tx_hash = w3.eth.send_raw_transaction(signed_txn.rawTransaction)
+receipt = w3.eth.wait_for_transaction_receipt(tx_hash)
+receipt