Install solc binaries in make.sh

make.sh

@@ -37,6 +37,8 @@ setup_vars() {
 
     CLANG_DEFAULT_VERSION=${CLANG_DEFAULT_VERSION:-"15"}
     RUST_DEFAULT_VERSION=${RUST_DEFAULT_VERSION:-"1.70"}
+
+    SOLC_DIR=${SOLC_DIR:-"${BUILD_TARGET_DIR}/solc-bin"}
 
     MAKE_DEBUG=${MAKE_DEBUG:-"1"}
 
@@ -72,6 +74,7 @@ main() {
     _platform_init
     setup_vars
     git_add_hooks
+    _append_to_path "${SOLC_DIR}"
 
     # Get all functions declared in this file except ones starting with
     # '_' or the ones in the list
@@ -86,10 +89,12 @@ main() {
         if [[ "$x" == "$cmd" ]]; then
             shift
             ${cmd} "$@"
+            _remove_from_path "${SOLC_DIR}"
             return 0
         fi
     done
 
+    _remove_from_path "${SOLC_DIR}"
     help
     return 1
 }
@@ -546,6 +551,44 @@ pkg_install_rust() {
     _fold_end
 }
 
+pkg_install_solc_linux() {
+    _fold_start "pkg-install-solc"
+
+    local solc_dir="${SOLC_DIR}"
+
+    _ensure_enter_dir "${solc_dir}"
+    wget -O solc https://github.com/ethereum/solidity/releases/download/v0.8.20/solc-static-linux
+    chmod +x solc
+    _exit_dir
+
+    _fold_end
+}
+
+pkg_install_solc_osx() {
+    _fold_start "pkg-install-solc"
+
+    local solc_dir="${SOLC_DIR}"
+
+    _ensure_enter_dir "${solc_dir}"
+    wget -o solc https://github.com/ethereum/solidity/releases/download/v0.8.20/solc-macos
+    chmod +x solc
+    _exit_dir
+
+    _fold_end
+}
+
+pkg_install_solc_windows() {
+    _fold_start "pkg-install-solc"
+
+    local solc_dir="${SOLC_DIR}"
+
+    _ensure_enter_dir "${solc_dir}"
+    wget -o solc https://github.com/ethereum/solidity/releases/download/v0.8.20/solc-windows.exe
+    _exit_dir
+
+    _fold_end
+}
+
 pkg_local_ensure_osx_sysroot() {
     local sdk_name="Xcode-12.2-12B45b-extracted-SDK-with-libcxx-headers"
     local pkg="${sdk_name}.tar.gz"
@@ -969,6 +1012,7 @@ ci_setup_deps() {
     DEBIAN_FRONTEND=noninteractive pkg_setup_locale
     DEBIAN_FRONTEND=noninteractive pkg_install_llvm
     DEBIAN_FRONTEND=noninteractive pkg_install_rust
+    DEBIAN_FRONTEND=noninteractive pkg_install_solc_linux
 }
 
 _ci_setup_deps_target() {
@@ -1055,4 +1099,34 @@ _exit_dir() {
     popd > /dev/null
 }
 
+_append_to_path() {
+    if [ -d "$1" ]; then
+        # Check if the directory is not already in the PATH
+        if [[ ":$PATH:" != *":$1:"* ]]; then
+            # Append the directory to the PATH
+            path="$PATH:$1"
+            export PATH="${path}"
+        else
+            echo "'$1' already in PATH"
+        fi
+    else
+        echo "'$1' does not exist"
+    fi
+}
+
+_remove_from_path() {
+    if [ -d "$1" ]; then
+        # Check if the directory is in the PATH
+        if [[ ":$PATH:" == *":$1:"* ]]; then
+            # Remove the directory from the PATH
+            path=$(echo "$PATH" | tr : '\n' | grep -v "^$1$" | tr '\n' :)
+            export PATH="${path}"
+        else
+            echo "'$1' not in PATH"
+        fi
+    else
+        echo "'$1' does not exist"
+    fi
+}
+
 main "$@"