Use nix geth (#1563)

* flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c6e957d81b96751a3d5967a0fd73694f303cc914?narHash=sha256-nLivjIygCiqLp5QcL7l56Tca/elVqM9FG1hGd9ZSsrg%3D' (2025-02-03)
  → 'github:NixOS/nixpkgs/fc02ee70efb805d3b2865908a13ddd4474557ecf?narHash=sha256-i%2BCQV2rPmP8wHxj0aq4siYyohHwVlsh40kV89f3nw1s%3D' (2025-07-23)

* use upstream geth

nixpkgs version is 1.16.1-stable now, so sufficiently up-to-date.

* add smoketest dependencies

* add dev convenience deps

* add back typescript dep

---------

Co-authored-by: Robert Hambrock <[email protected]>

Author: yrong

flake.lock

@@ -36,8 +36,10 @@
                     tree
                     # ps for zombienet, required in pure shells on Linux
                     ps
+                    # convenience for developing relayer
+                    killall
 
-                    # typescript
+                    typescript
                     python311
                     nodePackages.pnpm
                     nodejs_22
@@ -53,6 +55,7 @@
                     go
                     gotools
                     gopls
+                    go-ethereum
                     go-outline
                     gopkgs
                     godef
@@ -69,8 +72,14 @@
                     # NOTE: when upgrading rustup, check for a command to install the version in the toolchain file:
                     # https://github.com/rust-lang/rustup/issues/2686
                     rustup
+                    # convenience for clearing unused build outputs
+                    cargo-sweep
 
                     cowsay
+
+                    # smoketest
+                    openssl.dev
+                    pkg-config
                 ];
 
                 shellHook = ''

flake.nix

@@ -6,31 +6,13 @@ source scripts/set-env.sh
 start_geth() {
     pushd "$root_dir/.."
 
-    GETH_PATH="go-ethereum/build/bin/geth"
-
-    # Install Electra geth binary
-    if [ ! -f "$GETH_PATH" ]; then
-      echo "Local geth binary not found at $GETH_PATH."
-      echo "Cloning and building go-ethereum..."
-
-      git clone https://github.com/ethereum/go-ethereum/ go-ethereum
-      pushd go-ethereum
-      git checkout $GETH_VERSION
-      make geth
-      popd
-    else
-      echo "Local geth binary already exists at $GETH_PATH. Skipping clone and build."
-    fi
-
-    pushd go-ethereum
-
     echo "Starting geth local node"
-    ./build/bin/geth version
-    ./build/bin/geth \
+    geth version
+    geth \
       --datadir "$output_dir/ethereum" \
       --state.scheme=hash \
       init "$config_dir/genesis.json"
-    ./build/bin/geth \
+    geth \
       --networkid 11155111 \
       --vmdebug \
       --datadir "$output_dir/ethereum" \
@@ -57,8 +39,6 @@ start_geth() {
       --state.scheme=hash \
       > "$output_dir/geth.log" 2>&1 &
 
-      popd
-
     popd
 }
 

web/packages/test/scripts/deploy-ethereum.sh

@@ -14,7 +14,6 @@ zombienet_data_dir="$output_dir/zombienet"
 export PATH="$output_bin_dir:$PATH"
 polkadot_sdk_dir="${POLKADOT_SDK_DIR:-../polkadot-sdk}"
 
-export GETH_VERSION=v1.15.11
 export LODESTAR_VERSION=v1.31.0
 export snowbridge_v1="${BUILD_V1:-false}"
 v1_root_dir="$root_dir/../snowbridge-v1"