260 lines
7.5 KiB
Markdown
260 lines
7.5 KiB
Markdown
# testnet-nitro-node
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## Prerequisites
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* laconic-so: see [installation](https://git.vdb.to/cerc-io/stack-orchestrator#install)
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* Ansible: see [installation](https://git.vdb.to/cerc-io/testnet-ops#installation)
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* yq: see [installation](https://github.com/mikefarah/yq#install)
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* Check versions to verify installation:
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```bash
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laconic-so version
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ansible --version
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yq --version
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```
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## Setup
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* Clone the `cerc-io/testnet-ops` repository:
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```bash
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git clone git@git.vdb.to:cerc-io/testnet-ops.git
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cd testnet-ops/nitro-node-setup
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```
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* Fetch the required Nitro node config:
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```bash
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wget -O nitro-vars.yml https://git.vdb.to/cerc-io/testnet-laconicd-stack/raw/branch/main/ops/stage2/nitro-node-config.yml
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# Expected variables in the fetched config file:
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# nitro_l1_chain_url: ""
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# nitro_l2_chain_url: ""
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# na_address: ""
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# ca_address: ""
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# vpa_address: ""
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# l1_asset_address: ""
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# bridge_contract_address: ""
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# bridge_nitro_address: ""
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# nitro_l1_bridge_multiaddr: ""
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# nitro_l2_bridge_multiaddr: ""
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```
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* TODO: Get L1 tokens on your address
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* Edit `nitro-vars.yml` and add the following variables:
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```bash
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# Private key for your Nitro account (same as the one used in stage0 onboarding)
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# Export the key from Laconic wallet (https://wallet.laconic.com)
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nitro_sc_pk: ""
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# Private key for a funded account on L1
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# This account should have L1 tokens for funding your Nitro channels
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nitro_chain_pk: ""
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# Multiaddr with publically accessible IP address / DNS for your L1 nitro node
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# Use port 3007
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# Example: "/ip4/192.168.x.y/tcp/3007"
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# Example: "/dns4/example.com/tcp/3007"
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nitro_l1_ext_multiaddr: ""
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# Multiaddr with publically accessible IP address / DNS for your L2 nitro node
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# Use port 3009
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# Example: "/ip4/192.168.x.y/tcp/3009"
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# Example: "/dns4/example.com/tcp/3009"
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nitro_l2_ext_multiaddr: ""
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```
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* Update the target dir in `setup-vars.yml`:
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```bash
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# Set path to desired deployments dir
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DEPLOYMENTS_DIR=<path-to-deployments-dir>
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sed -i "s|^nitro_directory:.*|nitro_directory: $DEPLOYMENTS_DIR/nitro-node|" setup-vars.yml
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# Will create deployments at $DEPLOYMENTS_DIR/nitro-node/l1-nitro-deployment and $DEPLOYMENTS_DIR/nitro-node/l2-nitro-deployment
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```
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## Run
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* Setup and run a Nitro node (L1+L2) by executing the `run-nitro-nodes.yml` Ansible playbook:
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```bash
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LANG=en_US.utf8 ansible-playbook -i localhost, --connection=local run-nitro-nodes.yml --extra-vars='{ "target_host": "localhost"}' --user $USER
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```
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* Check status:
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```bash
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cd $DEPLOYMENTS_DIR/nitro-node
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# Check the logs, ensure that the nodes are running
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laconic-so deployment --dir l1-nitro-deployment logs nitro-node -f
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laconic-so deployment --dir l2-nitro-deployment logs nitro-node -f
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```
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## Create Channels
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* Create a ledger channel with the bridge on L1 that gets mirrored on L2
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* Set required variables:
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```bash
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cd $DEPLOYMENTS_DIR/nitro-node
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# Fetch the required Nitro node config
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wget https://git.vdb.to/cerc-io/testnet-laconicd-stack/raw/branch/main/ops/stage2/nitro-node-config.yml
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export BRIDGE_NITRO_ADDRESS=$(yq eval '.bridge_nitro_address' nitro-node-config.yml)
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export L1_ASSET_ADDRESS=$(yq eval '.l1_asset_address' nitro-node-config.yml)
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```
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* Check that check that you have no existing channels on L1 or L2:
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```bash
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laconic-so deployment --dir l1-nitro-deployment exec nitro-rpc-client "nitro-rpc-client get-all-ledger-channels -p 4005 -h nitro-node"
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laconic-so deployment --dir l2-nitro-deployment exec nitro-rpc-client "nitro-rpc-client get-all-ledger-channels -p 4005 -h nitro-node"
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# Expected output:
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# []
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```
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* Create a ledger channel between your L1 Nitro node and Bridge with custom asset:
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```bash
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# Set amount to ledger
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LEDGER_AMOUNT=1000000
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laconic-so deployment --dir l1-nitro-deployment exec nitro-rpc-client "nitro-rpc-client direct-fund $BRIDGE_NITRO_ADDRESS --assetAddress $L1_ASSET_ADDRESS --alphaAmount $LEDGER_AMOUNT --betaAmount $LEDGER_AMOUNT -p 4005 -h nitro-node"
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# Follow your L1 Nitro node logs for progress
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# Expected Output:
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# Objective started DirectFunding-0x161d289a50222caa781db215bb82a3ede4f557217742245525b8e8cbff04ec21
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# Channel Open 0x161d289a50222caa781db215bb82a3ede4f557217742245525b8e8cbff04ec21
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# Set the resulting ledger channel id in a variable
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export LEDGER_CHANNEL_ID=
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```
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* Check the [Troubleshooting](#troubleshooting) section if command to create a ledger channel fails or gets stuck
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* Once direct-fund objective is complete, the bridge will create a mirrored channel on L2
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* Check L2 Nitro node's logs to see that a bridged-fund objective completed:
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```bash
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laconic-so deployment --dir l2-nitro-deployment logs nitro-node -f --tail 30
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# Expected Output:
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# nitro-node-1 | 5:01AM INF INFO Objective cranked address=0xaaa6628ec44a8a742987ef3a114ddfe2d4f7adce objective-id=bridgedfunding-0x6a9f5ccf1fa802525d794f4a899897f947615f6acc7141e61e056a8bfca29179 waiting-for=WaitingForNothing
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# nitro-node-1 | 5:01AM INF INFO Objective is complete & returned to API address=0xaaa6628ec44a8a742987ef3a114ddfe2d4f7adce objective-id=bridgedfunding-0x6a9f5ccf1fa802525d794f4a899897f947615f6acc7141e61e056a8bfca29179
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```
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* Check status of L1 ledger channel with the bridge using channel id:
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```bash
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laconic-so deployment --dir l1-nitro-deployment exec nitro-rpc-client "nitro-rpc-client get-ledger-channel $LEDGER_CHANNEL_ID -p 4005 -h nitro-node"
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# Expected output:
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# {
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# ID: '0x161d289a50222caa781db215bb82a3ede4f557217742245525b8e8cbff04ec21',
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# Status: 'Open',
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# Balance: {
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# AssetAddress: '<l1-asset-address>',
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# Me: '<your-nitro-address>',
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# Them: '<bridge-nitro-address>',
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# MyBalance: <ledger-amount>n,
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# TheirBalance: <ledger-amount>n
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# },
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# ChannelMode: 'Open'
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# }
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```
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* Check status of the mirrored channel on L2:
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```bash
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laconic-so deployment --dir l2-nitro-deployment exec nitro-rpc-client "nitro-rpc-client get-all-ledger-channels -p 4005 -h nitro-node"
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# Expected output:
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# [
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# {
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# "ID": "0x6a9f5ccf1fa802525d794f4a899897f947615f6acc7141e61e056a8bfca29179",
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# "Status": "Open",
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# "Balance": {
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# "AssetAddress": "<l2-asset-address>",
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# "Me": "<your-nitro-address>",
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# "Them": "<bridge-nitro-address>",
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# "MyBalance": <ledger-amount>n,
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# "TheirBalance": <ledger-amount>n
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# },
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# "ChannelMode": "Open"
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# }
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# ]
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```
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## Clean up
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* Switch to deployments dir:
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```bash
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cd $DEPLOYMENTS_DIR/nitro-node
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```
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* Stop all Nitro services running in the background:
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```bash
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laconic-so deployment --dir l1-nitro-deployment stop
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laconic-so deployment --dir l2-nitro-deployment stop
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```
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* To stop all services and also delete data:
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```bash
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laconic-so deployment --dir l1-nitro-deployment stop --delete-volumes
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laconic-so deployment --dir l2-nitro-deployment stop --delete-volumes
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# Remove deployment directories (deployments will have to be recreated for a re-run)
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sudo rm -r l1-nitro-deployment
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sudo rm -r l2-nitro-deployment
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```
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## Troubleshooting
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* Stop (`Ctrl+C`) the direct-fund command if it is stuck
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* Restart the L1 Nitro node:
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* Stop the deployment:
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```bash
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cd $DEPLOYMENTS_DIR/nitro-node
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laconic-so deployment --dir l1-nitro-deployment stop
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```
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* Reset the node's durable store:
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```bash
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sudo rm -rf l1-nitro-deployment/data/nitro_node_data
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mkdir l1-nitro-deployment/data/nitro_node_data
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```
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* Restart the deployment:
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```bash
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laconic-so deployment --dir l1-nitro-deployment start
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```
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* Retry the ledger channel creation command
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