state sync script that connects to single node

scripts/single-node.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+# This script starts a single node testnet.
+
 # Stop script execution if an error is encountered
 set -o errexit
 # Stop script execution if an undefined variable is used
@@ -60,7 +62,7 @@ createGenesis() {
     # If you encounter: `sed: -I or -i may not be used with stdin` on MacOS you can mitigate by installing gnu-sed
     # https://gist.github.com/andre3k1/e3a1a7133fded5de5a9ee99c87c6fa0d?permalink_comment_id=3082272#gistcomment-3082272
 
-    # Override the default RPC servier listening address
+    # Override the default RPC server listening address
     sed -i'.bak' 's#"tcp://127.0.0.1:26657"#"tcp://0.0.0.0:26657"#g' "${CELESTIA_APP_HOME}"/config/config.toml
 
     # Enable transaction indexing

scripts/state-sync.sh

@@ -0,0 +1,110 @@
+#!/bin/sh
+
+# This script starts a single node and attempts to state sync with a node
+# started via ./single-node.sh
+
+# Stop script execution if an error is encountered
+set -o errexit
+# Stop script execution if an undefined variable is used
+set -o nounset
+
+if ! [ -x "$(command -v celestia-appd)" ]
+then
+    echo "celestia-appd could not be found. Please install the celestia-appd binary using 'make install' and make sure the PATH contains the directory where the binary exists. By default, go will install the binary under '~/go/bin'"
+    exit 1
+fi
+
+CHAIN_ID="test"
+KEY_NAME="validator"
+KEYRING_BACKEND="test"
+COINS="1000000000000000utia"
+DELEGATION_AMOUNT="5000000000utia"
+SINGLE_NODE_HOME="${HOME}/.celestia-app"
+CELESTIA_APP_HOME="${HOME}/.celestia-app-state-sync"
+CELESTIA_APP_VERSION=$(celestia-appd version 2>&1)
+GENESIS_FILE="${CELESTIA_APP_HOME}/config/genesis.json"
+FEES="500utia"
+RPC="0.0.0.0:26657"
+
+echo "celestia-app home: ${CELESTIA_APP_HOME}"
+echo "celestia-app version: ${CELESTIA_APP_VERSION}"
+echo ""
+
+BLOCK_HEIGHT=$(curl -s $RPC/block | jq -r .result.block.header.height);
+TRUST_HASH=$(curl -s "$RPC/block?height=$BLOCK_HEIGHT" | jq -r .result.block_id.hash)
+
+echo "Block height: $BLOCK_HEIGHT"
+echo "Trust hash: $TRUST_HASH"
+echo "Enabling state sync in config.toml..."
+sed -i.bak -E "s|^(enable[[:space:]]+=[[:space:]]+).*$|\1true| ; \
+s|^(rpc_servers[[:space:]]+=[[:space:]]+).*$|\1\"$RPC,$RPC\"| ; \
+s|^(trust_height[[:space:]]+=[[:space:]]+).*$|\1$BLOCK_HEIGHT| ; \
+s|^(trust_hash[[:space:]]+=[[:space:]]+).*$|\1\"$TRUST_HASH\"|" $HOME/.celestia-app/config/config.toml
+
+PEER=$(curl -s http://${RPC}/status | jq -r '.result.node_info.id + "@127.0.0.1:26656"')
+echo "Setting persistent peer to ${PEER}"
+
+createGenesis() {
+    echo "Initializing validator and node config files..."
+    celestia-appd init ${CHAIN_ID} \
+      --chain-id ${CHAIN_ID} \
+      --home "${CELESTIA_APP_HOME}" \
+      > /dev/null 2>&1 # Hide output to reduce terminal noise
+
+    echo "Adding a new key to the keyring..."
+    celestia-appd keys add ${KEY_NAME} \
+      --keyring-backend=${KEYRING_BACKEND} \
+      --home "${CELESTIA_APP_HOME}" \
+      > /dev/null 2>&1 # Hide output to reduce terminal noise
+
+    echo "Copying genesis.json from the node started via ./single-node.sh..."
+    cp ${SINGLE_NODE_HOME}/config/genesis.json ${CELESTIA_APP_HOME}/config/genesis.json
+
+    # If you encounter: `sed: -I or -i may not be used with stdin` on MacOS you can mitigate by installing gnu-sed
+    # https://gist.github.com/andre3k1/e3a1a7133fded5de5a9ee99c87c6fa0d?permalink_comment_id=3082272#gistcomment-3082272
+
+    # Override the default RPC server listening address to not conflict with the node started via ./single-node.sh
+    sed -i'.bak' 's#"tcp://127.0.0.1:26657"#"tcp://0.0.0.0:26000"#g' "${CELESTIA_APP_HOME}"/config/config.toml
+
+    # Override the p2p address to not conflict with the node started via ./single-node.sh
+    sed -i'.bak' 's#laddr = "tcp://0.0.0.0:26656"#laddr = "tcp://0.0.0.0:36656"#g' "${CELESTIA_APP_HOME}"/config/config.toml
+
+    # Set a persistent peer that is the node started via ./single-node.sh
+    # sed -i'.bak' "s#persistent_peers = \"\"#persistent_peers = \"${PEER}\"#g" "${CELESTIA_APP_HOME}/config/config.toml"
+
+    # Enable transaction indexing
+    sed -i'.bak' 's#"null"#"kv"#g' "${CELESTIA_APP_HOME}"/config/config.toml
+
+    # Persist ABCI responses
+    sed -i'.bak' 's#discard_abci_responses = true#discard_abci_responses = false#g' "${CELESTIA_APP_HOME}"/config/config.toml
+
+    # Override the log level to debug
+    # sed -i'.bak' 's#log_level = "info"#log_level = "debug"#g' "${CELESTIA_APP_HOME}"/config/config.toml
+}
+
+deleteCelestiaAppHome() {
+    echo "Deleting $CELESTIA_APP_HOME..."
+    rm -r "$CELESTIA_APP_HOME"
+}
+
+startCelestiaApp() {
+  echo "Starting celestia-app..."
+  celestia-appd start \
+    --home "${CELESTIA_APP_HOME}" \
+    --grpc.enable \
+    --grpc.address="0.0.0.0:9999" \
+    --p2p.persistent_peers=${PEER} \
+    --v2-upgrade-height 3
+}
+
+if [ -f $GENESIS_FILE ]; then
+  echo "Do you want to delete existing ${CELESTIA_APP_HOME}? [y/n]"
+  read -r response
+  if [ "$response" = "y" ]; then
+    deleteCelestiaAppHome
+    createGenesis
+  fi
+else
+  createGenesis
+fi
+startCelestiaApp