Make submission of the mined block pyminer

btc_submit_rpc.py

submission_str = create_submission_str(block_template)

# Define parameters for the RPC.
parameters = {
    "host": "127.0.0.1",
    "port": "8332",
    "rpcuser": "Your Username",
    "rpcpass": "Your Password",
    "rpcurl": "http://127.0.0.1:8332"
}

# Construct the RPC request data.
rpc_id = random.getrandbits(32)
data = json.dumps({
    "id": rpc_id, 
    "method": "submitblock", 
    "params": [submission_str]
}).encode()
auth = base64.b64encode(bytes(
    parameters["rpcuser"] + ":" + parameters["rpcpass"], 
    "utf8"
))
request = urllib.request.Request(
    parameters["rpcurl"], 
    data, 
    {"Authorization": b"Basic " + auth}
)

# Send the RPC and parse response.
with urllib.request.urlopen(request) as f:
    response = json.loads(f.read())

print(response)