Merge branch 'master' into master

.github/actions/post-test/action.yml

@@ -10,10 +10,6 @@ inputs:
     description: 'token for datadog'
     required: false
     default: ''
-  datadog-site:
-    description: 'site for datadog'
-    required: false
-    default: 'us3.datadoghq.com'
   gcp-credentials:
     description: 'gcp'
     required: false
@@ -22,23 +18,12 @@ inputs:
 runs:
   using: composite
   steps:
-    - name: upload tests
+    - name: collect coverage
       shell: bash
       if: ${{ github.repository_owner == 'agoric' }} && (success() || failure())
-      env:
-        DD_ENV: ci
-        DATADOG_SITE: ${{ inputs.datadog-site }}
       continue-on-error: true
       run: |
         ./scripts/ci/collect-testruns.sh
-        if [ "${{ inputs.datadog-token }}" != "" ]; then
-          export DATADOG_API_KEY="${{ inputs.datadog-token }}"
-          export DD_ENV="ci"
-          export DD_SITE="${{ inputs.datadog-site }}"
-
-          npx @datadog/datadog-ci --version 
-          timeout 30 npx @datadog/datadog-ci junit upload --service agoric-sdk ./packages/*/junit.xml
-        fi
     - name: upload coverage prepare
       shell: bash
       id: coverage-prep

.github/workflows/nix-check.yml

@@ -0,0 +1,49 @@
+name: Nix Flake Check
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+      - 'release-*'
+      - 'dev-*'
+permissions:
+  contents: read
+
+jobs:
+  flake-check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v9
+
+      - name: Enable flakes
+        uses: DeterminateSystems/magic-nix-cache-action@v2
+
+      - name: Check Nix flake inputs
+        run: nix flake check
+
+      - name: Show flake metadata
+        if: always() # Run even if previous step fails
+        run: nix flake metadata
+
+      - name: Validate flake outputs
+        if: always() # Run even if previous step fails
+        run: nix flake show
+
+      - name: Check build in Nix dev shell
+        run: |
+          # Enter nix develop and run build commands
+          nix develop --command bash -c '
+            # Install dependencies
+            yarn install
+            
+            # Build the project
+            yarn build
+            
+            # Build cosmic-swingset
+            cd packages/cosmic-swingset && make
+          '

.github/workflows/test-all-packages.yml

@@ -215,7 +215,6 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}
 
@@ -341,7 +340,6 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}
 
@@ -385,7 +383,6 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}
 
@@ -427,7 +424,6 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}
 
@@ -472,7 +468,6 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}
 
@@ -514,7 +509,6 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}
 
@@ -560,7 +554,6 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}
 
@@ -612,7 +605,6 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}
 
@@ -656,7 +648,6 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}
 
@@ -699,6 +690,5 @@ jobs:
         continue-on-error: true
         timeout-minutes: 4
         with:
-          datadog-token: ${{ secrets.DATADOG_API_KEY }}
           codecov-token: ${{ secrets.CODECOV_TOKEN }}
           gcp-credentials: ${{ secrets.GCP_CREDENTIALS }}

a3p-integration/package.json

@@ -1,7 +1,7 @@
 {
   "private": true,
   "agoricSyntheticChain": {
-    "fromTag": "use-upgrade-18a"
+    "fromTag": "use-fast-usdc-beta"
   },
   "scripts": {
     "build": "yarn run build:sdk && yarn run build:submissions && yarn run build:synthetic-chain",