diff --git a/examples/voting/contract.algo.ts b/examples/voting/contract.algo.ts
index 53a43e30..eb0b9bbb 100644
--- a/examples/voting/contract.algo.ts
+++ b/examples/voting/contract.algo.ts
@@ -33,7 +33,6 @@ const BOX_BYTE_MIN_BALANCE: uint64 = 400
 // The min balance increase for each asset opted into
 const ASSET_MIN_BALANCE: uint64 = 100000
 
-// TODO: ObjectPType should hopefully respect this ordering of properties
 type VotingPreconditions = {
   is_voting_open: uint64
   is_allowed_to_vote: uint64
diff --git a/package-lock.json b/package-lock.json
index c87c8607..9f996354 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
         "zod": "^3.23.8"
       },
       "devDependencies": {
+        "@algorandfoundation/algokit-utils": "^7.0.0-beta.7",
         "@algorandfoundation/algorand-typescript": "file:packages/algo-ts/dist",
         "@commitlint/cli": "^19.5.0",
         "@commitlint/config-conventional": "^19.5.0",
@@ -73,6 +74,22 @@
         "tslib": "^2.6.2"
       }
     },
+    "node_modules/@algorandfoundation/algokit-utils": {
+      "version": "7.0.0-beta.7",
+      "resolved": "https://registry.npmjs.org/@algorandfoundation/algokit-utils/-/algokit-utils-7.0.0-beta.7.tgz",
+      "integrity": "sha512-xueS9bYnboF3x4Zp/7mCgkLZQR91b5NOuM6aZawv5ySZ+GrRqqZnThJYcGVSNG5GSlGp1ypkEi3oXeApmwdGCA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "buffer": "^6.0.3"
+      },
+      "engines": {
+        "node": ">=18.0"
+      },
+      "peerDependencies": {
+        "algosdk": "^2.7.0"
+      }
+    },
     "node_modules/@algorandfoundation/algorand-typescript": {
       "resolved": "packages/algo-ts/dist",
       "link": true
@@ -2897,6 +2914,39 @@
         "url": "https://github.com/sponsors/epoberezkin"
       }
     },
+    "node_modules/algo-msgpack-with-bigint": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/algo-msgpack-with-bigint/-/algo-msgpack-with-bigint-2.1.1.tgz",
+      "integrity": "sha512-F1tGh056XczEaEAqu7s+hlZUDWwOBT70Eq0lfMpBP2YguSQVyxRbprLq5rELXKQOyOaixTWYhMeMQMzP0U5FoQ==",
+      "dev": true,
+      "license": "ISC",
+      "peer": true,
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/algosdk": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/algosdk/-/algosdk-2.9.0.tgz",
+      "integrity": "sha512-o0n0nLMbTX6SFQdMUk2/2sy50jmEmZk5OTPYSh2aAeP8DUPxrhjMPfwGsYNvaO+qk75MixC2eWpfA9vygCQ/Mg==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "algo-msgpack-with-bigint": "^2.1.1",
+        "buffer": "^6.0.3",
+        "hi-base32": "^0.5.1",
+        "js-sha256": "^0.9.0",
+        "js-sha3": "^0.8.0",
+        "js-sha512": "^0.8.0",
+        "json-bigint": "^1.0.0",
+        "tweetnacl": "^1.0.3",
+        "vlq": "^2.0.4"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
     "node_modules/ansi-escapes": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-7.0.0.tgz",
@@ -3047,6 +3097,27 @@
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
       "license": "MIT"
     },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT"
+    },
     "node_modules/before-after-hook": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/before-after-hook/-/before-after-hook-3.0.2.tgz",
@@ -3084,6 +3155,17 @@
         "node": ">= 12"
       }
     },
+    "node_modules/bignumber.js": {
+      "version": "9.1.2",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.1.2.tgz",
+      "integrity": "sha512-2/mKyZH9K85bzOEfhXDBFZTGd1CTs+5IHpeFQo9luiBG7hghdC851Pj2WAhb6E3R6b9tZj/XKhbg4fum+Kepug==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true,
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/bottleneck": {
       "version": "2.19.5",
       "resolved": "https://registry.npmjs.org/bottleneck/-/bottleneck-2.19.5.tgz",
@@ -3115,6 +3197,31 @@
         "node": ">=8"
       }
     },
+    "node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
+      }
+    },
     "node_modules/cac": {
       "version": "6.7.14",
       "resolved": "https://registry.npmjs.org/cac/-/cac-6.7.14.tgz",
@@ -5354,6 +5461,14 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/hi-base32": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/hi-base32/-/hi-base32-0.5.1.tgz",
+      "integrity": "sha512-EmBBpvdYh/4XxsnUybsPag6VikPYnN30td+vQk+GI3qpahVEG9+gTkG0aXVxTjBqQ5T6ijbWIu77O+C5WFWsnA==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/highlight.js": {
       "version": "10.7.3",
       "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.3.tgz",
@@ -5429,6 +5544,27 @@
         "node": ">=18.18.0"
       }
     },
+    "node_modules/ieee754": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "BSD-3-Clause"
+    },
     "node_modules/ignore": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.2.tgz",
@@ -6066,6 +6202,30 @@
         "jiti": "bin/jiti.js"
       }
     },
+    "node_modules/js-sha256": {
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/js-sha256/-/js-sha256-0.9.0.tgz",
+      "integrity": "sha512-sga3MHh9sgQN2+pJ9VYZ+1LPwXOxuBJBA5nrR5/ofPfuiJBE2hnjsaN8se8JznOmGLN2p49Pe5U/ttafcs/apA==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true
+    },
+    "node_modules/js-sha3": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz",
+      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true
+    },
+    "node_modules/js-sha512": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/js-sha512/-/js-sha512-0.8.0.tgz",
+      "integrity": "sha512-PWsmefG6Jkodqt+ePTvBZCSMFgN7Clckjd0O7su3I0+BW2QWUTJNzjktHsztGLhncP2h8mcF9V9Y2Ha59pAViQ==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -6086,6 +6246,17 @@
         "js-yaml": "bin/js-yaml.js"
       }
     },
+    "node_modules/json-bigint": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-bigint/-/json-bigint-1.0.0.tgz",
+      "integrity": "sha512-SiPv/8VpZuWbvLSMtTDU8hEfrZWg/mH/nV/b4o0CYbSxu1UIQPLdwKOCIyLQX+VIPO5vrLX3i8qtqFyhdPSUSQ==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "bignumber.js": "^9.0.0"
+      }
+    },
     "node_modules/json-buffer": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.1.tgz",
@@ -11807,6 +11978,14 @@
         "fsevents": "~2.3.3"
       }
     },
+    "node_modules/tweetnacl": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.3.tgz",
+      "integrity": "sha512-6rt+RN7aOi1nGMyC4Xa5DdYiukl2UWCbcJft7YhxReBGQD7OAM8Pbxw6YMo4r2diNEA8FEmu32YOn9rhaiE5yw==",
+      "dev": true,
+      "license": "Unlicense",
+      "peer": true
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -12652,6 +12831,14 @@
         }
       }
     },
+    "node_modules/vlq": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/vlq/-/vlq-2.0.4.tgz",
+      "integrity": "sha512-aodjPa2wPQFkra1G8CzJBTHXhgk3EVSwxSWXNPr1fgdFLUb8kvLV1iEb6rFgasIsjP82HWI6dsb5Io26DDnasA==",
+      "dev": true,
+      "license": "MIT",
+      "peer": true
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
diff --git a/package.json b/package.json
index ba51e679..0aed6c94 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "dev:calculator": "tsx src/cli.ts build examples/calculator/contract.algo.ts",
     "dev:approvals": "tsx src/cli.ts build tests/approvals --output-awst --output-awst-json --no-output-teal --output-ssa-ir --out-dir out/[name]",
     "dev:expected-output": "tsx src/cli.ts build tests/expected-output --dry-run",
-    "dev:testing": "tsx src/cli.ts build tests/approvals/destructuring-iterators.algo.ts --output-awst --output-awst-json --log-level=info --log-level debug",
+    "dev:testing": "tsx src/cli.ts build tests/expected-output/cant-create.algo.ts --output-awst --output-awst-json --log-level=info --log-level debug",
     "audit": "better-npm-audit audit",
     "format": "prettier --write .",
     "lint": "eslint \"src/**/*.ts\"",
@@ -45,6 +45,7 @@
   "author": "Algorand foundation",
   "license": "MIT",
   "devDependencies": {
+    "@algorandfoundation/algokit-utils": "^7.0.0-beta.7",
     "@algorandfoundation/algorand-typescript": "file:packages/algo-ts/dist",
     "@commitlint/cli": "^19.5.0",
     "@commitlint/config-conventional": "^19.5.0",
diff --git a/src/util/generate-temp-file.ts b/src/util/generate-temp-file.ts
index cc04b063..cd3b0a8c 100644
--- a/src/util/generate-temp-file.ts
+++ b/src/util/generate-temp-file.ts
@@ -1,8 +1,10 @@
 import { randomUUID } from 'crypto'
 import fs from 'fs'
+import { globIterateSync } from 'glob'
 import type { WriteFileOptions } from 'node:fs'
-import path from 'node:path'
 import os from 'os'
+import upath from 'upath'
+import { mkDirIfNotExists } from './index'
 
 export type TempFile = {
   writeFileSync(data: NodeJS.ArrayBufferView, options?: WriteFileOptions): void
@@ -11,14 +13,14 @@ export type TempFile = {
 } & Disposable
 
 function ensureTempDir(): string {
-  const tempDir = path.join(os.tmpdir(), 'puya-ts')
-  if (!fs.existsSync(tempDir)) fs.mkdirSync(tempDir)
+  const tempDir = upath.join(os.tmpdir(), 'puya-ts')
+  mkDirIfNotExists(tempDir)
   return tempDir
 }
 
 export function generateTempFile(options?: { ext?: string }): TempFile {
   const { ext = 'tmp' } = options ?? {}
-  const filePath = path.join(ensureTempDir(), `${randomUUID()}.${ext}`)
+  const filePath = upath.join(ensureTempDir(), `${randomUUID()}.${ext}`)
 
   return {
     get filePath() {
@@ -32,3 +34,28 @@ export function generateTempFile(options?: { ext?: string }): TempFile {
     },
   }
 }
+export type TempDir = {
+  readonly dirPath: string
+  files(): IterableIterator<string>
+} & Disposable
+
+export function generateTempDir(): TempDir {
+  const dirPath = upath.join(ensureTempDir(), `${randomUUID()}`)
+  mkDirIfNotExists(dirPath)
+
+  return {
+    get dirPath() {
+      return dirPath
+    },
+    *files(): IterableIterator<string> {
+      for (const p of globIterateSync(upath.join(dirPath, '**'), {
+        nodir: true,
+      })) {
+        yield p
+      }
+    },
+    [Symbol.dispose]() {
+      fs.rmSync(dirPath, { recursive: true, force: true })
+    },
+  }
+}
diff --git a/tests/onchain/abi-decorators.spec.ts b/tests/onchain/abi-decorators.spec.ts
new file mode 100644
index 00000000..79e5714c
--- /dev/null
+++ b/tests/onchain/abi-decorators.spec.ts
@@ -0,0 +1,15 @@
+import { describe } from 'vitest'
+import { createTestFixture } from './util/test-fixture'
+
+describe('abi-decorators', () => {
+  const test = createTestFixture('tests/approvals/abi-decorators.algo.ts', { createParams: { method: 'createMethod' } })
+  test('can be created', async ({ appFactory }) => {
+    await appFactory.send.create({ method: 'createMethod' })
+  })
+  test('methods can be called', async ({ appClient, expect }) => {
+    await appClient.send.call({ method: 'justNoop' })
+    await appClient.send.call({ method: 'allActions', onComplete: 1 })
+    const { return: returnValue } = await appClient.send.call({ method: 'overrideReadonlyName' })
+    expect(returnValue).toBe(5n)
+  })
+})
diff --git a/tests/onchain/accounts.spec.ts b/tests/onchain/accounts.spec.ts
new file mode 100644
index 00000000..71962474
--- /dev/null
+++ b/tests/onchain/accounts.spec.ts
@@ -0,0 +1,32 @@
+import { describe } from 'vitest'
+import { createTestFixture } from './util/test-fixture'
+
+describe('accounts', () => {
+  const test = createTestFixture('tests/approvals/accounts.algo.ts')
+
+  test('returns account data', async ({ appClient, expect, assetFactory, testAccount }) => {
+    const asset = await assetFactory({ assetName: 'Asset 1', sender: testAccount.addr, total: 1n })
+
+    const result = await appClient.send.call({ method: 'getAccountInfo', args: [testAccount.addr, asset] })
+
+    const returnValue = result.return as {
+      bytes: number[]
+      balance: bigint
+      minBalance: bigint
+      authAddress: number[]
+      totalNumUint: bigint
+      totalNumByteSlice: bigint
+      totalExtraAppPages: bigint
+      totalAppsCreated: bigint
+      totalAppsOptedIn: bigint
+      totalAssetsCreated: bigint
+      totalAssets: bigint
+      totalBoxes: bigint
+      totalBoxBytes: bigint
+      isOptInApp: boolean
+      isOptInAsset: boolean
+    }
+
+    expect(returnValue.authAddress).toStrictEqual(new Array(32).fill(0))
+  })
+})
diff --git a/tests/onchain/util/test-fixture.ts b/tests/onchain/util/test-fixture.ts
new file mode 100644
index 00000000..9b85b0ad
--- /dev/null
+++ b/tests/onchain/util/test-fixture.ts
@@ -0,0 +1,93 @@
+import { microAlgos } from '@algorandfoundation/algokit-utils'
+import { algorandFixture } from '@algorandfoundation/algokit-utils/testing'
+import type { AppClient } from '@algorandfoundation/algokit-utils/types/app-client'
+import type { AppFactory, AppFactoryDeployParams } from '@algorandfoundation/algokit-utils/types/app-factory'
+import type { AppSpec } from '@algorandfoundation/algokit-utils/types/app-spec'
+import type { AssetCreateParams } from '@algorandfoundation/algokit-utils/types/composer'
+import type { AlgorandFixture } from '@algorandfoundation/algokit-utils/types/testing'
+import fs from 'fs'
+import { test } from 'vitest'
+import { compile } from '../../../src'
+import { buildCompileOptions } from '../../../src/compile-options'
+import { LoggingContext, LogLevel } from '../../../src/logger'
+import { defaultPuyaOptions } from '../../../src/puya/options'
+import { generateTempDir } from '../../../src/util/generate-temp-file'
+
+export function createTestFixture(path: string, defaultDeployParams?: AppFactoryDeployParams) {
+  const _localnet = algorandFixture({
+    testAccountFunding: microAlgos(100_000_000_000),
+  })
+
+  return test.extend<{
+    appFactory: AppFactory
+    appClient: AppClient
+    localnet: AlgorandFixture
+    testAccount: typeof _localnet.context.testAccount
+    assetFactory: (assetCreateParams: AssetCreateParams) => Promise<bigint>
+  }>({
+    localnet: async ({ expect }, use) => {
+      await _localnet.beforeEach()
+      await use(_localnet)
+    },
+    appFactory: async ({ expect, localnet }, use) => {
+      const { appSpecs } = compilePath(path)
+      if (appSpecs.length === 0) {
+        expect.fail(`${path} does not contain any ARC4 contracts`)
+      }
+      if (appSpecs.length > 1) {
+        expect.fail(`${path} contains multiple ARC4 contracts, please specify a contract name in the options`)
+      }
+      const appFactory = localnet.algorand.client.getAppFactory({ defaultSender: localnet.context.testAccount.addr, appSpec: appSpecs[0] })
+      await use(appFactory)
+    },
+    appClient: async ({ appFactory }, use) => {
+      const { appClient } = await appFactory.deploy(defaultDeployParams ?? {})
+      await use(appClient)
+    },
+    testAccount: async ({ localnet }, use) => {
+      await use(localnet.context.testAccount)
+    },
+    assetFactory: async ({ localnet }, use) => {
+      use(async (assetCreateParams: AssetCreateParams) => {
+        const { assetId } = await localnet.algorand.send.assetCreate(assetCreateParams)
+        return assetId
+      })
+    },
+  })
+}
+
+type CompilationArtifacts = {
+  appSpecs: AppSpec[]
+}
+
+function compilePath(path: string): CompilationArtifacts {
+  using tempDir = generateTempDir()
+  using logCtx = LoggingContext.create()
+
+  compile(
+    buildCompileOptions({
+      outputAwstJson: false,
+      outputAwst: false,
+      paths: [path],
+      outDir: tempDir.dirPath,
+      dryRun: false,
+      logLevel: LogLevel.Error,
+    }),
+    {
+      ...defaultPuyaOptions,
+      outputTeal: false,
+      outputArc32: true,
+    },
+  )
+  const appSpecs = new Array<AppSpec>()
+  for (const filePath of tempDir.files()) {
+    if (filePath.endsWith('.arc32.json')) {
+      appSpecs.push(JSON.parse(fs.readFileSync(filePath, 'utf-8')))
+    }
+  }
+
+  //TODO: check log context for errors
+  return {
+    appSpecs,
+  }
+}