feat(ci/cd): add running gossip + benchmarks

.github/workflows/check.yml

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+name: check
+
+on:
+  push:
+    branches: [main, pre-release]
+  pull_request:
+    branches: [main, pre-release]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+      - name: setup-zig
+        uses: goto-bus-stop/setup-zig@v1
+        with:
+          version: 0.12.0
+
+      - name: lint
+        run: |
+          zig fmt --check src/
+          zig fmt --check build.zig
+
+  unused_imports:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v3
+        with: 
+          python-version: "3.10"         
+      - name: remove unused imports
+        run: python remove_unused.py src/
+
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+    runs-on: ${{matrix.os}}
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: setup-zig
+        uses: goto-bus-stop/setup-zig@v1
+        with:
+          version: 0.12.0
+
+      - name: test
+        run: zig build test
+
+  benchmarks:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+    runs-on: ${{matrix.os}}
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: setup-zig
+        uses: goto-bus-stop/setup-zig@v1
+        with:
+          version: 0.12.0
+
+      - name: benchmarks 
+        run: zig build -Doptimize=ReleaseSafe benchmark
+
+  gossip:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+    runs-on: ${{matrix.os}}
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: setup-zig
+        uses: goto-bus-stop/setup-zig@v1
+        with:
+          version: 0.12.0
+
+      - name: build release 
+        run: zig build -Doptimize=ReleaseSafe 
+      - name: run gossip
+        run: bash scripts/gossip_test.sh 120 # in seconds

scripts/gossip_test.sh

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+#!/bin/bash
+usage() {
+    echo "Usage: $0 <duration_in_seconds>"
+    exit 1
+}
+
+# Check if an argument is provided
+if [ -z "$1" ]; then
+    echo "Error: No duration provided."
+    usage
+fi
+
+# Check if the argument is a valid number
+if ! [[ "$1" =~ ^[0-9]+$ ]]; then
+    echo "Error: Duration must be a positive integer."
+    usage
+fi
+
+echo "Running gossip test for $1 seconds"
+
+# build and run gossip
+./zig-out/bin/sig gossip \
+    -e entrypoint.testnet.solana.com:8001 \
+    -e entrypoint2.testnet.solana.com:8001 2>&1 &
+
+# Get the process ID of the last background command
+PID=$!
+
+# Sleep for N seconds
+sleep $1
+
+# Kill the process
+kill $PID