MultiChain Developer Q&A - Recent questions tagged deployment

Can I deploy a multichain network where I can create chains later on?

Sat, 18 Nov 2023 20:48:49 +0000

For an Electronic health care system, I was thinking of creating chains for each user to store their data in streams. How do I do this?

In deploying instances, how do I determine their chain membership?

Fri, 01 Nov 2019 18:36:19 +0000

I'm developing a UI for deploying MultiChain instances to a server (OpenShift or Kubernetes) at the click of a button. I have this code working but I I'm new to this and I have an elementary question. I'm using Python and YAML files, so I believe the answer to my question has to do with what I need to do in my YAML files.

I don't know how to deploy such that the instances (nodes) know that they all belong to the same chain and don't belong to any other chain on the internet. I think I am probably deploying them to a chain called "MyChain" at the moment, because I have "name: CHAINNAME \n value: MyChain" in the YAML. But what if some other MultiChain chain on the internet has the same name? Won't my nodes become members of that chain?

Thank you for any advice.

Streamfilter deployment

Mon, 04 Feb 2019 08:23:43 +0000

Hello team,

I am testing transaction filter in cli mode but , i want to know after compiling how its deploying in blockchain network Unlike ethereum it creates and byte file and deploy in network ?

How this deployement of smart filter and compilation using node js project?

Practical deployment for MultiChain startups

Thu, 07 Sep 2017 17:37:09 +0000

Hi,

Let us assume I have a blockchain startup idea. What's your advice on practical deployment of my MultiChain nodes? If I simply host all my nodes, then how different is it from being a centralized model that is how can I practically convince my clients that the backend is based on the blockchain (with all its inherent benefits).

I hope you understand my question. An example scenario may be a sufficient answer.

Thanks.

P.S I understand the technical differences between a private blockchain and a centralized database.

R.

Azure deployment 404

Wed, 12 Oct 2016 14:12:17 +0000

This has been asked before, and the answer was that it wasn't MultiChain's issue and to try again in a few hours, but the Azure deployment link has been 404ing for more than 24 hours. Is there something else I should try to do besides wait? Is dozens of hours common for it to be failing like that? Does it work for anyone?

Automate the deployment and configuration of additional nodes

Tue, 04 Oct 2016 19:21:39 +0000

Hi,

I would like to take advantage of the auto-scaling abilities within AWS and was wondering if anyone has the steps required to automatically bash script (or alternative method) the deployment of a new node, add it to the existing multichain and give it the correct permissions?

As I see it the following needs to occur:

!/bin/bash
sudo yum update -y
cd /tmp
wget http://www.multichain.com/download/multichain-1.0-alpha-24.tar.gz
tar -xvzf multichain-1.0-alpha-24.tar.gz
cd multichain-1.0-alpha-24
sudo mv multichaind multichain-cli multichain-util /usr/local/bin

system will output: multichaind chain1@1.2.3.4:9583

How to get the new nodes wallet address: the result is shown from the following command run on the new node:
multichaind chain1@1.2.3.4:9583

The result looks like this:
MultiChain Core Daemon build 1.0 alpha 23 protocol 10005
Retrieving blockchain parameters from the seed node 1.2.3.4:9583 ...
Blockchain successfully initialized.

Please ask blockchain admin or user having activate permission to let you connect and/or transact:
multichain-cli chain1 grant 1QwjdCRgFvHSLhUK6qKN7v7Q4TU3hiXUYBvkiF connect
multichain-cli chain1 grant 1QwjdCRgFvHSLhUK6qKN7v7Q4TU3hiXUYBvkiF connect,send,receive

The next step in the workflow is to add permissions on the first server with the following command (unsure if this needs to be on all nodes).

multichain-cli chain1 grant 1QwjdCRgFvHSLhUK6qKN7v7Q4TU3hiXUYBvkiF connect

The second server then needs to connect to the chain - multichaind chain1 -daemon

Has anyone successfully automated the build and configuration of multichain nodes? Our plan is to use AWS auto-scaling to cope with increased workloads across the nodes.