Initial commit

Once again a weird place to commit, I have already done a lot of work, but I am just bad at using git, okay.

example-app/server/utils/config.ts

@@ -0,0 +1,42 @@
+import { readFileSync } from 'fs';
+import { load } from 'js-toml';
+import z from 'zod';
+import { ChallengeStrategy } from "@impost/lib";
+
+const LeadingZeroesSchema = z.object({
+    strategy: z.literal(ChallengeStrategy.LeadingZeroes),
+    leading_zeroes: z.object({
+        difficulty: z.number().int().min(1).max(64),
+    }),
+});
+
+const TargetNumberSchema = z.object({
+    strategy: z.literal(ChallengeStrategy.TargetNumber),
+    target_number: z.object({
+        max_number: z.number().int().min(1).max(100_000),
+    }),
+});
+
+
+export type Config = z.infer<typeof Config>;
+
+export const Config = z.discriminatedUnion('strategy', [
+    LeadingZeroesSchema,
+    TargetNumberSchema,
+]);
+
+export let config: Config;
+
+try {
+    config = Config.parse(load(readFileSync('./config.toml', 'utf-8')));
+} catch (error: any) {
+    if (error instanceof z.ZodError) {
+        console.error("Failed to parse config:");
+        for (const issue of error.issues) {
+            console.error(issue.message, issue.path);
+        }
+    } else {
+        console.error("Failed to parse config:", error);
+    }
+    process.exit(1);
+}

example-app/server/utils/pow.ts

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+import { Challenge } from "@impost/lib";
+
+export const outstandingChallenges = new Map<string, { challenge: Challenge, timeout: NodeJS.Timeout }>();
+
+// 1 hour
+export const CHALLENGE_TIMEOUT_MS = 3600000;