Add cardano-node, cardano-testnet and cardano-submit-api

.gitmodules

@@ -14,3 +14,7 @@
 	path = hedgehog-extras
 	url = git@github.com:input-output-hk/hedgehog-extras.git
 	branch = main
+[submodule "cardano-node"]
+	path = cardano-node
+	url = git@github.com:input-output-hk/cardano-node.git
+	branch = master

cabal.project

@@ -13,13 +13,16 @@ repository cardano-haskell-packages
 -- See CONTRIBUTING for information about these, including some Nix commands
 -- you need to run if you change them
 index-state:
-  , hackage.haskell.org 2023-05-25T00:00:00Z
-  , cardano-haskell-packages 2023-06-21T00:00:00Z
+  , hackage.haskell.org 2023-07-17T06:35:34Z
+  , cardano-haskell-packages 2023-07-17T07:47:06Z
 
 packages:
     cardano-api/cardano-api
     cardano-api/cardano-api-gen
     cardano-cli/cardano-cli
+    cardano-node/cardano-node
+    cardano-node/cardano-submit-api
+    cardano-node/cardano-testnet
     hedgehog-extras
 
 package cardano-api
@@ -28,6 +31,18 @@ package cardano-api
 package cardano-api-gen
   ghc-options: -Werror
 
+package cardano-cli
+  ghc-options: -Werror
+
+package cardano-node
+  ghc-options: -Werror
+
+package cardano-submit-api
+  ghc-options: -Werror
+
+package cardano-testnet
+  ghc-options: -Werror
+
 package cryptonite
   -- Using RDRAND instead of /dev/urandom as an entropy source for key
   -- generation is dubious. Set the flag so we use /dev/urandom by default.
@@ -40,6 +55,11 @@ test-show-details: direct
 -- Always write GHC env files, because they are needed for ghci.
 write-ghc-environment-files: always
 
+allow-newer: text
+
+constraints:
+  dependent-sum-template < 0.1.2
+
 -- IMPORTANT
 -- Do NOT add more source-repository-package stanzas here unless they are strictly
 -- temporary! Please read the section in CONTRIBUTING about updating dependencies.