install crypto dependencies

Author: crocodile-dentist

.github/workflows/build.yml

@@ -45,6 +45,11 @@ jobs:
         ghc-version: ${{ matrix.ghc }}
         cabal-version: "3.12.1.0"
 
+    - name: Install crypto dependencies
+      uses: input-output-hk/actions/base@latest
+      with:
+        use-sodium-vrf: true # default is true
+
     - uses: actions/checkout@v6
 
     - name: "Configure cabal.project.local"

flake.lock

@@ -44,6 +44,8 @@
           overlays = [
             # haskellNix.overlay can be configured by later overlays, so need to come before them.
             inputs.haskellNix.overlay
+            inputs.iohkNix.overlays.crypto
+            inputs.iohkNix.overlays.haskell-nix-crypto
             (import ./nix/tools.nix inputs)
             (import ./nix/ouroboros-network.nix inputs)
             (import ./nix/network-docs.nix inputs)

flake.nix

@@ -9,14 +9,14 @@ let
   onLinux = buildSystem == "x86_64-linux";
 
   # default compiler used on all systems, also provided within the shell
-  defaultCompiler = "ghc966";
+  defaultCompiler = "ghc967";
 
   # the compiler used for cross compilation
   # alternative compilers only used on Linux
   #
   # NOTE: cross compilation with `ghc-9.6.2` doesn't currently work
   # https://ci.iog.io/build/623082/nixlog/2
-  crossGHCVersion = "ghc966";
+  crossGHCVersion = "ghc967";
 
   # alternative compilers
   otherCompilers =