Overview
The Energy Web Chain (EWC) is the foundational "trust layer" of the stack. The Energy Web Chain (EW Chain) is an open-source, Proof-of-Authority public blockchain derived from Ethereum blockchain technology. It is the foundational trust and persistence layer of EW-DOS.
Highlights
- EnergyWebChain RPC node (Fast Sync mode) with Nethermind client
Details
Typical total price
$0.17/hour
Pricing
Instance type | Product cost/hour | EC2 cost/hour | Total/hour |
|---|---|---|---|
t2.medium | $0.00 | $0.046 | $0.046 |
t2.large | $0.00 | $0.093 | $0.093 |
t3.medium | $0.00 | $0.042 | $0.042 |
t3.large | $0.00 | $0.083 | $0.083 |
m5.xlarge | $0.00 | $0.192 | $0.192 |
m5.2xlarge | $0.00 | $0.384 | $0.384 |
c5.xlarge | $0.00 | $0.17 | $0.17 |
c5.2xlarge | $0.00 | $0.34 | $0.34 |
c5a.xlarge | $0.00 | $0.154 | $0.154 |
c5a.2xlarge | $0.00 | $0.308 | $0.308 |
Additional AWS infrastructure costs
Type | Cost |
|---|---|
EBS General Purpose SSD (gp3) volumes | $0.08/per GB/month of provisioned storage |
Vendor refund policy
N/A
Legal
Vendor terms and conditions
Content disclaimer
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
EnergyWebChain Fast RPC Node with Nethermind client v1.20.1
Additional details
Usage instructions
Installation:
Launch through web:
- Subscribe EnergyWebChain RPC Node from AWS marketplace
- Continue to Configuration -> Continue to launch
- Choose the option "Launch through web" from "Choose Action"
- Go through necessary settings Choose EC2 Instance Type, VPC Settings, Security Group Settings, Key Pair Settings
- Click "Launch"
Launch through ec2 console:
- Subscribe EnergyWebChain RPC Node from AWS marketplace
- Continue to Configuration -> Continue to launch
- Choose the option "Launch through ec2" from "Choose Action"
- Provide necessary information - Instance name, Create Key pair, Create Security Group
- Storage - EBS Volume size 150 GB(Recommended for Fast sync node)
- Launch the instance
Note: In this new release(v1.2.0), use Nethermind Client Version: 1.20.1, ebs volume is reduced to 120GB.
Usage:
- User can make RPC request using instance public IP (https://INSTANCE_PUBLIC_IP)
- User can connect via Web Socket, using instance public IP (wss://INSTANCE_PUBLIC_IP/ws)
- Check if node is synced: curl -X POST --data '{"jsonrpc":"2.0","method":"eth_syncing","params":[],"id":1}' http://INSTANCE_PUBLIC_IP -H 'Content-Type: application/json' . The command returns "false", if the node is synced, otherwise it returns the current block number.
- Health Check API: https://INSTANCE_PUBLIC_IP/api/health
Admin operations: SSH to the instance
- CLI to check RPC logs - sudo journalctl -f -u ewc
- CLI to restart RPC node - sudo systemctl restart ewc
- CLI to stop RPC node - sudo systemctl stop ewc
- Location of DB /usr/share/nethermind/nethermind_db/energyweb
- Update Config file, if needed /usr/share/nethermind/configs/energyweb.cfg Check here for more information for configuration - https://docs.nethermind.io/nethermind/ethereum-client/configuration
Resources
Support
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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