make whopper run with checksums

pass `--enable-checksums` to either `run` or `explore` commands

CONTRIBUTING.md

@@ -248,6 +248,8 @@ Note that exploration uses the `chaos` mode so if you need to reproduce a run, u
 SEED=1234 ./whopper/bin/run --mode chaos
 ```
 
+Both `explore` and `run` accept `--enable-checksums` flag to enable per page checksums.
+
 ## Python Bindings
 
 Turso provides Python bindings built on top of the [PyO3](https://pyo3.rs) project.

whopper/Cargo.toml

@@ -25,3 +25,6 @@ tracing = { workspace = true }
 tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
 turso_core = { path = "../core", features = ["simulator"]}
 turso_parser = { workspace = true }
+
+[features]
+checksum = ["turso_core/checksum"]

whopper/bin/explore

@@ -2,9 +2,20 @@
 
 set -e
 
-cargo build -p turso_whopper
+# Check for special build time flags (e.g. `--enable-checksums`)
+FEATURES=""
+ARGS=()
+for arg in "$@"; do
+    if [[ "$arg" == "--enable-checksums" ]]; then
+        FEATURES="--features checksum"
+    else
+        ARGS+=("$arg")
+    fi
+done
+
+cargo build $FEATURES -p turso_whopper
 
 echo "Running Whopper in an infinite loop in 'chaos' mode..."
 while true; do
-    time RUST_BACKTRACE=full ./target/debug/turso_whopper --mode chaos
-done
+    time RUST_BACKTRACE=full ./target/debug/turso_whopper --mode chaos "${ARGS[@]}"
+done

whopper/bin/run

@@ -2,6 +2,17 @@
 
 set -e
 
-cargo build -p turso_whopper
+# Check for special build time flags (e.g. `--enable-checksums`)
+FEATURES=""
+ARGS=()
+for arg in "$@"; do
+    if [[ "$arg" == "--enable-checksums" ]]; then
+        FEATURES="--features checksum"
+    else
+        ARGS+=("$arg")
+    fi
+done
 
-time RUST_BACKTRACE=full ./target/debug/turso_whopper $*
+cargo build $FEATURES -p turso_whopper
+
+time RUST_BACKTRACE=full ./target/debug/turso_whopper "${ARGS[@]}"