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RELAYER.md

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Running Tangle Node with Webb Relayer

Following these steps will allow you to run Tangle Standalone Node with Webb Relayer included.

Note that by default, running tangle standalone normally won't start the relayer, you may see something like the Following: Error: Not Starting Webb Relayer Gadget. No Config Directory Specified which is totally OK if you are not looking into running the webb relayer gadget.

  1. Compile the tangle standalone node with relayer feature
cargo build --release -p tangle --features relayer
  1. Create your .env file to store your secrets (during the development)
# internal Node SURI is the secret that is corresponds
# to your controller account of the running node.
# that key will be used to submit proposals to the dkg-proposals
# pallet.
INTERNAL_NODE_SURI=//Alice
  1. Create your Relayer configuration directory
mkdir -p relayer-config && touch relayer-config/example.toml

For all possible configuration, please refer to Relayer configuration

  1. Edit your example config file
port = 9955

# Controls what features are enabled in the relayer system
[features]
# if you are an authority, this always true.
governance-relay = true
data-query = true
private-tx-relay = true

[evm.goerli]
name = "goerli"
http-endpoint = "https://rpc.ankr.com/eth_goerli"
ws-endpoint = "wss://rpc.ankr.com/eth_goerli"
chain-id = 5
enabled = true
block-confirmations = 2
# The private key of the account that will be used to sign transactions
# If not set, we will use the Keystore to get the ECDSA private key.
# private-key = "$PRIVATE_KEY"

[[evm.goerli.contracts]]
contract = "VAnchor"
address = "0x38e7aa90c77f86747fab355eecaa0c2e4c3a463d"
deployed-at = 8703495
events-watcher = { enabled = true, polling-interval = 15000 }
proposal-signing-backend = { type = "DKGNode", chain-id = 0 }

[substrate.internal]
name = "internal"
chain-id = 0
http-endpoint = "http://localhost:9944"
ws-endpoint = "ws://localhost:9944"
suri = "$INTERNAL_NODE_SURI"
enabled = true

[[substrate.internal.pallets]]
pallet = "DKG"
events-watcher = { enabled = true, polling-interval = 3000, print-progress-interval = 30000 }

[[substrate.internal.pallets]]
pallet = "DKGProposalHandler"
events-watcher = { enabled = true, polling-interval = 3000, print-progress-interval = 30000 }
  1. Start Tangle Node with the relayer config.
./target/release/tangle --tmp --chain local --validator --alice --rpc-cors all --rpc-methods=unsafe --rpc-port 9944 --relayer-config-dir ./relayer-config

Now, you should notice that the error about not starting the relayer gadget is gone, and to verify everything is working you can now access: Relayer Info Endpoint