update the way we execute gaia

Author: randygrok

.github/workflows/integration_attester_test.yml

@@ -19,6 +19,7 @@ jobs:
       EVNODE_VERSION: "v1.0.0-beta.2.0.20250908090838-0584153217ed"
       IGNITE_VERSION: "v29.3.1"
       IGNITE_EVOLVE_APP_VERSION: "main"
+      GAIAD_VERSION: "v24.0.0"
 
     steps:
       - uses: actions/checkout@v5
@@ -52,6 +53,42 @@ jobs:
           echo "DA_PID=$!" >> $GITHUB_ENV
           sleep 3
 
+      - name: Download Gaia Binary
+        run: |
+          echo "Downloading gaiad ${GAIAD_VERSION} for Linux amd64"
+          wget -q https://github.com/cosmos/gaia/releases/download/${GAIAD_VERSION}/gaiad-${GAIAD_VERSION}-linux-amd64 -O gaiad
+          chmod +x gaiad
+          sudo mv gaiad /usr/local/bin/gaiad
+
+      - name: Init and Start Gaia
+        env:
+          GAIA_CHAIN_ID: localnet-1
+        run: |
+          echo "Initializing Gaia (${GAIA_CHAIN_ID}) and starting in background"
+          gaiad init gaia-local --chain-id ${GAIA_CHAIN_ID}
+          # Use a deterministic validator mnemonic as in parent repo
+          MNEMONIC="abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon art"
+          echo "$MNEMONIC" | gaiad keys add validator --keyring-backend test --recover > /dev/null 2>&1
+          gaiad genesis add-genesis-account validator 10000000000000000stake --keyring-backend test
+          gaiad genesis gentx validator 1000000000stake --chain-id ${GAIA_CHAIN_ID} --keyring-backend test
+          gaiad genesis collect-gentxs
+          # Configure app (API + gas) and consensus for quicker blocks
+          sed -i 's/^minimum-gas-prices = ".*"/minimum-gas-prices = "0stake"/' ~/.gaia/config/app.toml || true
+          # Enable API server and bind to 0.0.0.0:1317
+          sed -i 's/^enable = false/enable = true/' ~/.gaia/config/app.toml || true
+          sed -i 's#^address = "tcp://localhost:1317"#address = "tcp://0.0.0.0:1317"#' ~/.gaia/config/app.toml || true
+          sed -i 's/^timeout_commit = ".*"/timeout_commit = "1s"/' ~/.gaia/config/config.toml || true
+          sed -i 's/^timeout_propose = ".*"/timeout_propose = "1s"/' ~/.gaia/config/config.toml || true
+          # Start Gaia using standard ports (like gm/integration-tests)
+          gaiad start \
+            --p2p.laddr tcp://0.0.0.0:26656 \
+            --rpc.laddr tcp://0.0.0.0:26657 \
+            --grpc.address 0.0.0.0:9090 \
+            --log_format=json > gaia.log 2>&1 &
+          echo "GAIA_PID=$!" >> $GITHUB_ENV
+          echo "Waiting a few seconds for Gaia to come up"
+          sleep 5
+
       - name: Replace Modules and Prepare Chain
         run: |
           echo "Replacing modules (ev-node @ ${EVNODE_VERSION}, ev-abci -> local)"
@@ -74,3 +111,7 @@ jobs:
             echo "Stopping local DA (PID ${DA_PID})"
             kill -9 $DA_PID || true
           fi
+          if [[ -n "${GAIA_PID}" ]]; then
+            echo "Stopping Gaia (PID ${GAIA_PID})"
+            kill -9 $GAIA_PID || true
+          fi