Overview
In order to integrate with the MultiversX Network and be able to broadcast transactions and query blockchain data in an optimized approach, one needs to set up an on-premises Observing Squad. An Observing Squad is defined as a set of N Observer Nodes (one for each Shard, including the Metachain) plus an MultiversX Proxy instance which will connect to these Observers and provide an HTTP API (by delegating requests to the Observers).
The snapshotless mode allows you to quickly synchronize with the network and perform Rest API calls for retrieving real-time data from the blockchain, such as getting data of an address (GET /address/${address}), getting the balance of an address (GET /address/${address}/balance), sending transactions, performing Smart Contract Queries and many more .
Full List of supported Operations can be found here : https://docs.multiversx.com/sdk-and-tools/proxy/#snaphotless-observers-support
Highlights
- This will start a Multiversx Snapshotless Observing Squad.
Details
Features and programs
Financing for AWS Marketplace purchases
Pricing
Instance type | Product cost/hour | EC2 cost/hour | Total/hour |
|---|---|---|---|
t3a.2xlarge Recommended | $0.00 | $0.346 | $0.346 |
Additional AWS infrastructure costs
Type | Cost |
|---|---|
EBS General Purpose SSD (gp3) volumes | $0.095/per GB/month of provisioned storage |
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Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Beta release of Snapshotless Observing Squad Updated deployment process and added UI based on OliveTin
Additional details
Usage instructions
A systemd service will start docker compose and run all the Multiversx Observers shards in snapshotless mode .
We are running an experimental UI based on OliveTin. You can connect to it at http://<yourip>:1337/login The default credentials are: mvx/mvx There are several tools to help you check the status of the deployed squad.
The same tools are available on the server at this path: /opt/multiversx-observing-squad-tools/ Make sure to allow port 22 and 8079 in your security group settings if you're planning to make the api calls over the internet (ufw allow 8079). curl -s -k <yourip>:8079/network/config
Full list of supported operations in snapshotless mode can be found here: https://docs.multiversx.com/sdk-and-tools/proxy/#snaphotless-observers-support
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