+ create user with public/private key

+ sign and verify votes and prevent unverified updates

server/utils/types.ts

@@ -0,0 +1,36 @@
+export interface PollProps {
+    userid: string | undefined,
+    activePollId: string,
+    pollData: PollData,
+    addOption: (name: string) => void,
+    vote: (optionName: string) => void
+}
+
+export interface PollListProps {
+    userid: string | undefined,
+}
+
+export interface PollData extends Record<string, SignedData<VoteData>[]> {
+}
+
+export interface SignedData<T> {
+    data: T,
+    signature: string
+}
+
+export interface VoteData {
+    userid: string,
+    timestamp: string
+}
+
+export interface OptionData {
+    userid: string,
+    timestamp: string,
+    optionName: string
+}
+
+export interface UserData {
+    userid: string,
+    private_key: CryptoKey | undefined,
+    public_key: CryptoKey | undefined
+}