Refactor: Restructure project

- Add an internal folder where all the internal code lives
- Make a state.go and state_test.go for the public interface

This gives a more clear separation between functions and modules. It
also makes this a more typical Go project setup.

1 files changed, 30 insertions, 0 deletions

diff --git a/internal/util.go b/internal/util.go
new file mode 100644
index 0000000..02855c2
--- /dev/null
+++ b/internal/util.go
@@ -0,0 +1,30 @@
+package internal
+
+import (
+	"crypto/rand"
+	"os"
+	"time"
+)
+
+// Creates a random byteslice of `size`
+func MakeRandomByteSlice(size int) ([]byte, error) {
+	byteSlice := make([]byte, size)
+	_, err := rand.Read(byteSlice)
+	if err != nil {
+		return nil, err
+	}
+	return byteSlice, nil
+}
+
+func GenerateTimeSeconds() int64 {
+	current := time.Now()
+	return current.Unix()
+}
+
+func EnsureDirectory(directory string) error {
+	mkdirErr := os.MkdirAll(directory, os.ModePerm)
+	if mkdirErr != nil {
+		return mkdirErr
+	}
+	return nil
+}