build: upgrade Compact toolchain to 0.31.0 and Midnight packages (OpenZeppelin#597)

Author: 0xisk

.devcontainer/Dockerfile

@@ -3,7 +3,7 @@ FROM mcr.microsoft.com/devcontainers/javascript-node
 
 # Midnight binaries and tools download URLs
 # Source: https://docs.midnight.network/relnotes/overview
-ARG COMPACT_TOOLCHAIN_VERSION=0.29.0
+ARG COMPACT_TOOLCHAIN_VERSION=0.31.0
 ARG COMPACT_VSCODE_VERSION=0.2.13
 ARG COMPACT_VSCODE_URL="https://raw.githubusercontent.com/midnight-ntwrk/releases/gh-pages/artifacts/vscode-extension/compact-${COMPACT_VSCODE_VERSION}/compact-${COMPACT_VSCODE_VERSION}.vsix"
 

.devcontainer/devcontainer.json

@@ -3,5 +3,5 @@
   "build": {
     "dockerfile": "Dockerfile"
   },
-  "postCreateCommand": "code --install-extension /tmp/compact.vsix && compact update 0.29.0"
+  "postCreateCommand": "code --install-extension /tmp/compact.vsix && compact update 0.31.0"
 }

.github/ISSUE_TEMPLATE/01_bug_report.yml

@@ -93,7 +93,9 @@ body:
       label: Version
       description: What version of Compact are you running?
       options:
-        - 0.29.0 (Default)
+        - 0.31.0 (Default)
+        - 0.30.0
+        - 0.29.0
       default: 0
     validations:
       required: true

.github/actions/setup/action.yml

@@ -36,4 +36,4 @@ runs:
       if: ${{ inputs.skip-compact != 'true' }}
       uses: midnightntwrk/setup-compact-action@836895c8fffbbea6bd986af2b17e8941ff29d1f8 # v1
       with:
-        compact-version: "0.29.0"
+        compact-version: "0.31.0"

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Setup Compact Compiler
         uses: midnightntwrk/setup-compact-action@836895c8fffbbea6bd986af2b17e8941ff29d1f8 # v1
         with:
-          compact-version: "0.29.0"
+          compact-version: "0.31.0"
 
       - name: Build contracts
         run: yarn build

CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Multisig contract suite under `contracts/src/multisig/`: configurable M-of-N `Signer` / `SignerManager` registry, `ProposalManager`, stateful `ShieldedTreasury` and `ShieldedTreasuryStateless`, `UnshieldedTreasury`, `Forwarder` + `ForwarderPrivate` modules with per-recipient presets, and the `ShieldedMultiSig` / `ShieldedMultiSigV2` presets. Signature verification is stubbed pending ECDSA + Keccak primitives (#475). (#378, #424, #526)
 
+### Changed
+
+- Upgrade the Compact toolchain and Midnight dependencies: compiler `0.29.0` → `0.31.0`, `@midnight-ntwrk/compact-runtime` `0.14.0` → `0.16.0`, `@midnight-ntwrk/ledger-v7` `7.0.3` → `@midnight-ntwrk/ledger-v8` `8.1.0`, and `@openzeppelin/compact-simulator` `^0.0.1` → `^0.1.0`.
+
 ## 0.2.0 (2026-06-12)
 
 ### Changed

contracts/package.json

@@ -46,7 +46,7 @@
     "@openzeppelin/compact-cli": "^0.0.2"
   },
   "devDependencies": {
-    "@openzeppelin/compact-simulator": "^0.0.1",
+    "@openzeppelin/compact-simulator": "^0.1.0",
     "@tsconfig/node24": "^24.0.4",
     "@types/node": "25.9.3",
     "@vitest/coverage-v8": "^4.1.8",

contracts/src/archive/test/utils/address.ts

@@ -2,7 +2,7 @@ import {
   convertFieldToBytes,
   encodeCoinPublicKey,
 } from '@midnight-ntwrk/compact-runtime';
-import { encodeContractAddress } from '@midnight-ntwrk/ledger-v7';
+import { encodeContractAddress } from '@midnight-ntwrk/ledger-v8';
 import type * as Compact from '../../../../artifacts/MockShieldedToken/contract/index.js';
 
 const PREFIX_ADDRESS = '0200';

contracts/test-utils/address.ts

@@ -4,7 +4,7 @@ import {
   encodeCoinPublicKey,
   isContractAddress,
 } from '@midnight-ntwrk/compact-runtime';
-import { encodeContractAddress } from '@midnight-ntwrk/ledger-v7';
+import { encodeContractAddress } from '@midnight-ntwrk/ledger-v8';
 
 type ZswapCoinPublicKey = { bytes: Uint8Array };
 

package.json

@@ -27,11 +27,11 @@
     "glob": "~10.5.0"
   },
   "dependencies": {
-    "@midnight-ntwrk/compact-runtime": "0.14.0"
+    "@midnight-ntwrk/compact-runtime": "0.16.0"
   },
   "devDependencies": {
     "@biomejs/biome": "^2.5.0",
-    "@midnight-ntwrk/ledger-v7": "7.0.3",
+    "@midnight-ntwrk/ledger-v8": "8.1.0",
     "@midnight-ntwrk/zswap": "^4.0.0",
     "@types/node": "25.9.3",
     "ts-node": "^10.9.2",