feature: CLI contract compile subcommand with --compiler-url option

cmd/contract.go

@@ -0,0 +1,49 @@
+package cmd
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	"github.com/aeternity/aepp-sdk-go/aeternity"
+	"github.com/spf13/cobra"
+)
+
+var compilerURL string
+var contractCmd = &cobra.Command{
+	Use:   "contract subcommand",
+	Short: "Compile, call or deploy smart contracts",
+	Long:  ``,
+}
+
+var compileCmd = &cobra.Command{
+	Use:          "compile FILENAME COMPILER_URL",
+	Short:        "Send a source file to a compiler",
+	Long:         ``,
+	Args:         cobra.ExactArgs(1),
+	RunE:         compileFunc,
+	SilenceUsage: true,
+}
+
+func compileFunc(cmd *cobra.Command, args []string) (err error) {
+	compiler := aeternity.NewCompiler(compilerURL, debug)
+	file, err := os.Open(args[0])
+	if err != nil {
+		return err
+	}
+
+	b, err := ioutil.ReadAll(file)
+	if err != nil {
+		return err
+	}
+
+	bytecode, err := compiler.CompileContract(string(b))
+	fmt.Println(bytecode)
+	return err
+}
+
+func init() {
+	RootCmd.AddCommand(contractCmd)
+	contractCmd.AddCommand(compileCmd)
+	contractCmd.PersistentFlags().StringVarP(&compilerURL, "compiler-url", "c", "http://localhost:3080", "Compiler URL")
+}