DA Client

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To submit data to the 0G DA, you must run a DA Client node and the Encoder node. The DA client interfaces with the Encoder for data encoding and the Retriever for data access.
🖥️ Hardware Requirements
The following table outlines the hardware requirements for different types of DA Client nodes:
Node Type
Memory
CPU
Disk
Bandwidth
Additional Notes
DA Client
8 GB
2 cores
-
100 MBps
For Download / Upload
🕹️ Manual installer 
1. Install necessary packages
cd $HOME && ver="1.22.0" && wget "https://golang.org/dl/go$ver.linux-amd64.tar.gz" && sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf "go$ver.linux-amd64.tar.gz" && rm "go$ver.linux-amd64.tar.gz" && echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> ~/.bash_profile && source ~/.bash_profile && go version
cd $HOME && ver="1.22.0" && wget "https://golang.org/dl/go$ver.linux-amd64.tar.gz" && sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf "go$ver.linux-amd64.tar.gz" && rm "go$ver.linux-amd64.tar.gz" && echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> ~/.bash_profile && source ~/.bash_profile && go version
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2. Download and run Docker installation script
curl -fsSL https://get.docker.com -o get-docker.sh && sh get-docker.sh
curl -fsSL https://get.docker.com -o get-docker.sh && sh get-docker.sh
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3. Add the current user to the Docker group and apply group changes
sudo usermod -aG docker $USER && newgrp docker
sudo usermod -aG docker $USER && newgrp docker
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4. Enable Docker and containerd services to start at boot
sudo systemctl enable docker.service && sudo systemctl enable containerd.service
sudo systemctl enable docker.service && sudo systemctl enable containerd.service
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5. Clone the 0g-da-client repository from GitHub
git clone https://github.com/0glabs/0g-da-client.git
git clone https://github.com/0glabs/0g-da-client.git
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6. Build the Docker image with the specified tag and Dockerfile
cd 0g-da-client
docker build -t da-client -f combined.Dockerfile .
cd 0g-da-client
docker build -t da-client -f combined.Dockerfile .
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7. Create or edit the environment file
nano envfile.env
nano envfile.env
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Please check and enter 
COMBINED_SERVER_PRIVATE_KEY, BATCHER_ENCODER_ADDRESS
# envfile.env
COMBINED_SERVER_CHAIN_RPC=https://evmrpc-testnet.0g.ai
COMBINED_SERVER_PRIVATE_KEY=YOUR_PRIVATE_KEY
ENTRANCE_CONTRACT_ADDR=0x857C0A28A8634614BB2C96039Cf4a20AFF709Aa9
COMBINED_SERVER_RECEIPT_POLLING_ROUNDS=180
COMBINED_SERVER_RECEIPT_POLLING_INTERVAL=1s
COMBINED_SERVER_TX_GAS_LIMIT=2000000
COMBINED_SERVER_USE_MEMORY_DB=true
COMBINED_SERVER_KV_DB_PATH=/runtime/
COMBINED_SERVER_TimeToExpire=2592000
DISPERSER_SERVER_GRPC_PORT=51001
BATCHER_DASIGNERS_CONTRACT_ADDRESS=0x0000000000000000000000000000000000001000
BATCHER_FINALIZER_INTERVAL=20s
BATCHER_CONFIRMER_NUM=3
BATCHER_MAX_NUM_RETRIES_PER_BLOB=3
BATCHER_FINALIZED_BLOCK_COUNT=50
BATCHER_BATCH_SIZE_LIMIT=500
BATCHER_ENCODING_INTERVAL=3s
BATCHER_ENCODING_REQUEST_QUEUE_SIZE=1
BATCHER_PULL_INTERVAL=10s
BATCHER_SIGNING_INTERVAL=3s
BATCHER_SIGNED_PULL_INTERVAL=20s
BATCHER_EXPIRATION_POLL_INTERVAL=3600
BATCHER_ENCODER_ADDRESS=DA_ENCODER_SERVER
BATCHER_ENCODING_TIMEOUT=300s
BATCHER_SIGNING_TIMEOUT=60s
BATCHER_CHAIN_READ_TIMEOUT=12s
BATCHER_CHAIN_WRITE_TIMEOUT=13s
# envfile.env
COMBINED_SERVER_CHAIN_RPC=https://evmrpc-testnet.0g.ai
COMBINED_SERVER_PRIVATE_KEY=YOUR_PRIVATE_KEY
ENTRANCE_CONTRACT_ADDR=0x857C0A28A8634614BB2C96039Cf4a20AFF709Aa9
COMBINED_SERVER_RECEIPT_POLLING_ROUNDS=180
COMBINED_SERVER_RECEIPT_POLLING_INTERVAL=1s
COMBINED_SERVER_TX_GAS_LIMIT=2000000
COMBINED_SERVER_USE_MEMORY_DB=true
COMBINED_SERVER_KV_DB_PATH=/runtime/
COMBINED_SERVER_TimeToExpire=2592000
DISPERSER_SERVER_GRPC_PORT=51001
BATCHER_DASIGNERS_CONTRACT_ADDRESS=0x0000000000000000000000000000000000001000
BATCHER_FINALIZER_INTERVAL=20s
BATCHER_CONFIRMER_NUM=3
BATCHER_MAX_NUM_RETRIES_PER_BLOB=3
BATCHER_FINALIZED_BLOCK_COUNT=50
BATCHER_BATCH_SIZE_LIMIT=500
BATCHER_ENCODING_INTERVAL=3s
BATCHER_ENCODING_REQUEST_QUEUE_SIZE=1
BATCHER_PULL_INTERVAL=10s
BATCHER_SIGNING_INTERVAL=3s
BATCHER_SIGNED_PULL_INTERVAL=20s
BATCHER_EXPIRATION_POLL_INTERVAL=3600
BATCHER_ENCODER_ADDRESS=DA_ENCODER_SERVER
BATCHER_ENCODING_TIMEOUT=300s
BATCHER_SIGNING_TIMEOUT=60s
BATCHER_CHAIN_READ_TIMEOUT=12s
BATCHER_CHAIN_WRITE_TIMEOUT=13s
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8. Run the Docker container 
docker run -d --env-file envfile.env --name da-client -v ./run:/runtime -p 51001:51001 da-client
docker run -d --env-file envfile.env --name da-client -v ./run:/runtime -p 51001:51001 da-client
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⌨️ Useful Commands
9. List all running Docker containers
docker ps
docker ps
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10. Log Check
docker logs -f CONTAINER_ID
docker logs -f CONTAINER_ID
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11. Stop the running Docker container
docker stop CONTAINER_ID
docker stop CONTAINER_ID
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