Add some offchain code, plus some tests

.vscode/launch.json

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+{
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "type": "bun",
+        "internalConsoleOptions": "neverOpen",
+        "request": "launch",
+        "name": "Debug File",
+        "program": "${file}",
+        "cwd": "${workspaceFolder}",
+        "stopOnEntry": false,
+        "watchMode": false
+      },
+      {
+        "type": "bun",
+        "internalConsoleOptions": "neverOpen",
+        "request": "launch",
+        "name": "Run File",
+        "program": "${file}",
+        "cwd": "${workspaceFolder}",
+        "noDebug": true,
+        "watchMode": false
+      },
+      {
+        "type": "bun",
+        "internalConsoleOptions": "neverOpen",
+        "request": "attach",
+        "name": "Attach Bun",
+        "url": "ws://localhost:6499/",
+        "stopOnEntry": false
+      }
+    ]
+  }

codegen.sh

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+mkdir -p offchain/types/
+npx @blaze-cardano/blueprint@latest plutus.json -o ./offchain/types/contracts.ts

offchain/.gitignore

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+# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Caches
+
+.cache
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# Runtime data
+
+pids
+_.pid
+_.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+
+lib-cov
+
+# Coverage directory used by tools like istanbul
+
+coverage
+*.lcov
+
+# nyc test coverage
+
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+
+bower_components
+
+# node-waf configuration
+
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+
+build/Release
+
+# Dependency directories
+
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+
+web_modules/
+
+# TypeScript cache
+
+*.tsbuildinfo
+
+# Optional npm cache directory
+
+.npm
+
+# Optional eslint cache
+
+.eslintcache
+
+# Optional stylelint cache
+
+.stylelintcache
+
+# Microbundle cache
+
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+
+.node_repl_history
+
+# Output of 'npm pack'
+
+*.tgz
+
+# Yarn Integrity file
+
+.yarn-integrity
+
+# dotenv environment variable files
+
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+# Comment in the public line in if your project uses Gatsby and not Next.js
+
+# https://nextjs.org/blog/next-9-1#public-directory-support
+
+# public
+
+# vuepress build output
+
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+
+.temp
+
+# Docusaurus cache and generated files
+
+.docusaurus
+
+# Serverless directories
+
+.serverless/
+
+# FuseBox cache
+
+.fusebox/
+
+# DynamoDB Local files
+
+.dynamodb/
+
+# TernJS port file
+
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+
+.vscode-test
+
+# yarn v2
+
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store

offchain/README.md

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+# @sundae/treasury-funds
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run index.ts
+```
+
+This project was created using `bun init` in bun v1.2.2. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

offchain/package.json

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+{
+  "name": "@sundae/treasury-funds",
+  "module": "index.ts",
+  "type": "module",
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  },
+  "dependencies": {
+    "@blaze-cardano/emulator": "^0.3.16",
+    "@blaze-cardano/sdk": "^0.2.22"
+  }
+}

offchain/shared/index.ts

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+import { Core } from "@blaze-cardano/sdk"
+import { TreasuryTreasuryWithdraw } from "../types/contracts"
+
+export function loadScript(network: Core.NetworkId) {
+    const treasuryScript = new TreasuryTreasuryWithdraw()
+    const credential = { 
+        type: Core.CredentialType.ScriptHash,
+        hash: treasuryScript.hash(),
+    }
+    const rewardAccount = Core.RewardAccount.fromCredential(credential, network)
+    const scriptAddress = new Core.Address({
+        type: Core.AddressType.EnterpriseScript,
+        networkId: network,
+        paymentPart: credential,
+      })
+    return {
+        treasuryScript,
+        credential,
+        rewardAccount,
+        scriptAddress,
+    }
+}

offchain/tests/misc.test.ts

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+import { beforeEach, describe, test } from 'bun:test';
+import { Blaze, Core, Data, HotWallet, TxBuilder } from '@blaze-cardano/sdk';
+import { Credential } from '@blaze-cardano/core';
+import { Emulator, EmulatorProvider } from "@blaze-cardano/emulator";
+import { expectScriptFailure, makeExpectTxInvalid, makeExpectTxValid, setupBlaze } from './utilities.test';
+import { loadScript } from '../shared';
+
+// NOTE: these test are disabled for now, while we wait for blaze to add support for them
+describe("miscellaneous", () => {
+    const amount = 340_000_000_000_000n
+    const { rewardAccount, credential, treasuryScript } = loadScript(Core.NetworkId.Testnet)
+
+    let emulator: Emulator
+    let blaze: Blaze<EmulatorProvider, HotWallet>
+    let refInput: Core.TransactionUnspentOutput
+    let expectTxValid: (tx: TxBuilder) => Promise<void>
+    let expectTxInvalid: (tx: TxBuilder) => Promise<void>
+    beforeEach(async () => {
+        let setup = await setupBlaze()
+        emulator = setup.emulator
+        blaze = setup.blaze
+        emulator.accounts.set(rewardAccount, amount)
+        refInput = (await blaze.provider.resolveScriptRef(treasuryScript))!
+        expectTxValid = makeExpectTxValid(blaze, emulator)
+        expectTxInvalid = makeExpectTxInvalid(blaze, emulator)
+    })
+
+    test.skip("Cannot deregister stake address", async () => {
+        expectScriptFailure(
+            blaze.newTransaction()
+                .addReferenceInput(refInput!)
+        )
+    })
+
+    test.skip("Cannot delegate stake address", async () => {
+        console.log(refInput.output().scriptRef()?.hash());
+        await blaze.newTransaction()
+                .addReferenceInput(refInput!)
+                .addDelegation(Credential.fromCore(credential), Core.PoolId("pool1x9q4jf3zwftwygeeulku8xtlywmtmzwxjk2g3fz3j5mlwjqnr3p"), Data.void())
+                .complete();
+        expectScriptFailure(
+            blaze.newTransaction()
+                .addReferenceInput(refInput!)
+                .addDelegation(Credential.fromCore(credential), Core.PoolId("pool1x9q4jf3zwftwygeeulku8xtlywmtmzwxjk2g3fz3j5mlwjqnr3p"), Data.void())
+        )
+    })
+})