diff --git a/tranx.go b/tranx.go
new file mode 100644
index 0000000..a1599de
--- /dev/null
+++ b/tranx.go
@@ -0,0 +1,7 @@
+package chipmunk
+
+type tranx struct {
+	Cost  float32 `json:"cost"`
+	Store string  `json:"store"`
+	Info  string  `json:"Info"`
+}
diff --git a/user.go b/user.go
new file mode 100644
index 0000000..24ad67d
--- /dev/null
+++ b/user.go
@@ -0,0 +1,55 @@
+package chipmunk
+
+import "fmt"
+
+var authEmails []string = []string{"derekmcquay@gmail.com", "colleenmmcquay@gmail.com", "dmmllnl@gmail.com"}
+
+type user struct {
+	Info  userInfo `json:"info"`
+	admin bool     `json:"admin"`
+	txs   []tranx  `json:"Txs"`
+}
+
+type userInfo struct {
+	Sub           string `json:"sub"`
+	Name          string `json:"name"`
+	GivenName     string `json:"given_name"`
+	FamilyName    string `json:"family_name"`
+	Profile       string `json:"profile"`
+	Picture       string `json:"picture"`
+	Email         string `json:"email"`
+	EmailVerified bool   `json:"email_verified"`
+}
+
+func (u *user) addTranx(t tranx) {
+	u.txs = append(u.txs, t)
+}
+
+func authorizedEmail(e string) bool {
+	b := false
+	for _, i := range authEmails {
+		if i == e {
+			b = true
+		}
+	}
+	return b
+}
+
+func getUser(e string) (*user, error) {
+	for _, i := range users {
+		if e == i.Info.Email {
+			return &i, nil
+		}
+	}
+	return &user{}, fmt.Errorf("could not find user")
+}
+
+func addUser(u userInfo) {
+	users = append(
+		users,
+		user{
+			Info:  u,
+			admin: true,
+		},
+	)
+}