ci: improve install script

.github/scripts/install_test_binaries.sh

@@ -1,52 +1,67 @@
 #!/usr/bin/env bash
 # Installs Solc and Geth binaries
+# Note: intended for use only with CI (x86_64 Ubuntu, MacOS or Windows)
 set -e
 
 GETH_BUILD=${GETH_BUILD:-"1.11.2-73b01f40"}
 SOLC_VERSION=${SOLC_VERSION:-"0.8.19"}
 
-DIR="$HOME/bin"
-mkdir -p "$DIR"
-cd "$DIR"
-export PATH="$DIR:$PATH"
-if [ "$GITHUB_PATH" ]; then
-    echo "$DIR" >> "$GITHUB_PATH"
-    echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
-fi
+BIN_DIR=${BIN_DIR:-"$HOME/bin"}
+BIN_DIR=$(realpath "$BIN_DIR")
 
-echo "Installing Geth"
 PLATFORM="$(uname -s | awk '{print tolower($0)}')"
-case "$PLATFORM" in
-    linux|darwin)
-        GETH_ARCHIVE_NAME="geth-$PLATFORM-amd64-$GETH_BUILD"
-        curl "https://gethstore.blob.core.windows.net/builds/$GETH_ARCHIVE_NAME.tar.gz" | tar -xzvf -
-        mv -f "$GETH_ARCHIVE_NAME/geth" ./
-        rm -rf "$GETH_ARCHIVE_NAME"
-        chmod +x geth
-        ;;
-    *)
-        GETH_ARCHIVE_NAME="geth-windows-amd64-$GETH_BUILD"
-        zip="$GETH_ARCHIVE_NAME.zip"
-        curl -o "$zip" "https://gethstore.blob.core.windows.net/builds/$zip"
-        unzip "$zip"
-        mv -f "$GETH_ARCHIVE_NAME/geth.exe" ./
-        rm -rf "$GETH_ARCHIVE_NAME" "$zip"
-        ;;
-esac
-
-geth version
-
-echo "Installing Solc"
-cargo install --locked svm-rs
-# install only if it doesn't exist already
-if command -v solc; then
-    if [ -z "$(solc --version | grep "$SOLC_VERSION" || true)" ]; then
-        svm install "$SOLC_VERSION"
-    fi
-    svm use "$SOLC_VERSION"
+if [ "$PLATFORM" != "linux" ] && [ "$PLATFORM" != "darwin" ]; then
+    EXT=".exe"
 fi
 
-solc --version
+main() {
+    mkdir -p "$BIN_DIR"
+    cd "$BIN_DIR"
+    export PATH="$BIN_DIR:$PATH"
+    if [ "$GITHUB_PATH" ]; then
+        echo "$BIN_DIR" >> "$GITHUB_PATH"
+    fi
 
-which geth
-which solc
+    install_geth &
+    install_solc &
+    wait
+
+    echo "Installed Geth:"
+    geth version
+    echo ""
+    echo "Installed Solc:"
+    solc --version
+}
+
+install_geth() {
+    case "$PLATFORM" in
+        linux|darwin)
+            GETH_ARCHIVE_NAME="geth-$PLATFORM-amd64-$GETH_BUILD"
+            curl "https://gethstore.blob.core.windows.net/builds/$GETH_ARCHIVE_NAME.tar.gz" | tar -xzvf -
+            mv -f "$GETH_ARCHIVE_NAME/geth" ./
+            rm -rf "$GETH_ARCHIVE_NAME"
+            chmod +x geth
+            ;;
+        *)
+            GETH_ARCHIVE_NAME="geth-windows-amd64-$GETH_BUILD"
+            zip="$GETH_ARCHIVE_NAME.zip"
+            curl -o "$zip" "https://gethstore.blob.core.windows.net/builds/$zip"
+            unzip "$zip"
+            mv -f "$GETH_ARCHIVE_NAME/geth.exe" ./
+            rm -rf "$GETH_ARCHIVE_NAME" "$zip"
+            ;;
+    esac
+}
+
+install_solc() {
+    case "$PLATFORM" in
+        linux)  SOLC_NAME="solc-static-linux";;
+        darwin) SOLC_NAME="solc-macos";;
+        *)      SOLC_NAME="solc-windows.exe";;
+    esac
+    wget -q "https://github.com/ethereum/solidity/releases/download/v$SOLC_VERSION/$SOLC_NAME"
+    mv -f "$SOLC_NAME" "solc$EXT"
+    chmod +x "solc$EXT"
+}
+
+main