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Create & Deploy Subnets

Deploy on Local Network

This guide shows you how to deploy a Subnet to a local Avalanche network.

This how-to guide focuses on taking an already created Subnet configuration and deploying it to a local Avalanche network.

Prerequisites

Deploying Subnets Locally​

In the following commands, make sure to substitute the name of your Subnet configuration for <blockchainName>.

To deploy your Subnet, run:

avalanche blockchain deploy <blockchainName>

and select Local Network to deploy on. Alternatively, you can bypass this prompt by providing the --local flag. For example:

avalanche blockchain deploy <blockchainName> --local

The command may take a couple minutes to run.

Note: If you run bash on your shell and are running Avalanche-CLI on ARM64 on Mac, you will require Rosetta 2 to be able to deploy Subnets locally. You can download Rosetta 2 using softwareupdate --install-rosetta .

Results​

If all works as expected, the command output should look something like this:

> avalanche blockchain deploy myblockchain
 
✔ Local Network
Deploying [myblockchain] to Local Network
Installing subnet-evm-v0.4.3...
subnet-evm-v0.4.3 installation successful
Backend controller started, pid: 93928, output at: /Users/subnet-developer/.avalanche-cli/runs/server_20221122_173138/avalanche-cli-backend
Installing avalanchego-v1.9.3...
avalanchego-v1.9.3 installation successful
VMs ready.
Starting network...
..................
Blockchain has been deployed. Wait until network acknowledges...
......
Network ready to use. Local network node endpoints:
+-------+----------+------------------------------------------------------------------------------------+
| NODE  |    VM    |                                        URL                                         |
+-------+----------+------------------------------------------------------------------------------------+
| node2 | myblockchain | http://127.0.0.1:9652/ext/bc/SPqou41AALqxDquEycNYuTJmRvZYbfoV9DYApDJVXKXuwVFPz/rpc |
+-------+----------+------------------------------------------------------------------------------------+
| node3 | myblockchain | http://127.0.0.1:9654/ext/bc/SPqou41AALqxDquEycNYuTJmRvZYbfoV9DYApDJVXKXuwVFPz/rpc |
+-------+----------+------------------------------------------------------------------------------------+
| node4 | myblockchain | http://127.0.0.1:9656/ext/bc/SPqou41AALqxDquEycNYuTJmRvZYbfoV9DYApDJVXKXuwVFPz/rpc |
+-------+----------+------------------------------------------------------------------------------------+
| node5 | myblockchain | http://127.0.0.1:9658/ext/bc/SPqou41AALqxDquEycNYuTJmRvZYbfoV9DYApDJVXKXuwVFPz/rpc |
+-------+----------+------------------------------------------------------------------------------------+
| node1 | myblockchain | http://127.0.0.1:9650/ext/bc/SPqou41AALqxDquEycNYuTJmRvZYbfoV9DYApDJVXKXuwVFPz/rpc |
+-------+----------+------------------------------------------------------------------------------------+
 
Browser Extension connection details (any node URL from above works):
RPC URL:          http://127.0.0.1:9650/ext/bc/SPqou41AALqxDquEycNYuTJmRvZYbfoV9DYApDJVXKXuwVFPz/rpc
Funded address:   0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC with 1000000 (10^18) - private key: 56289e99c94b6912bfc12adc093c9b51124f0dc54ac7a766b2bc5ccf558d8027
Network name:     myblockchain
Chain ID:         54325
Currency Symbol:  TUTORIAL

You can use the deployment details to connect to and interact with your Subnet.

To manage the newly deployed local Avalanche network, see the avalanche network command tree.

Deploying Multiple Subnets​

You may deploy multiple Subnets concurrently, but you can't deploy the same Subnet multiple times without resetting all deployed Subnet state.

Redeploying the Subnet​

To redeploy the Subnet, you first need to wipe the Subnet state. This permanently deletes all data from all locally deployed Subnets. To do so, run

You are now free to redeploy your Subnet with

avalanche blockchain deploy <blockchainName> --local

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PrerequisitesDeploying Subnets Locally​Results​Deploying Multiple Subnets​Redeploying the Subnet​
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