Remove GHC 8.10.7 (#2019)

Author: Cmdv

.github/PULL_REQUEST_TEMPLATE.md

@@ -8,7 +8,7 @@ Add your description here, if it fixes a particular issue please provide a [link
 - [ ] Commits have useful messages
 - [ ] New tests are added if needed and existing tests are updated
 - [ ] Any changes are noted in the [changelog](https://github.com/IntersectMBO/cardano-db-sync/blob/master/db-sync/CHANGELOG.md)
-- [ ] Code is formatted with [`fourmolu`](https://github.com/fourmolu/fourmolu) on version 0.10.1.0 (which can be run with `scripts/fourmolize.sh`)
+- [ ] Code is formatted with [`fourmolu`](https://github.com/fourmolu/fourmolu) on version 0.17.0.0 (which can be run with `scripts/fourmolize.sh`)
 - [ ] Self-reviewed the diff
 
 # Migrations

.github/workflows/haskell.yml

@@ -20,7 +20,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         # TODO: Add ghc910 when input-output-hk/devx is fixed
-        compiler-nix-name: [ghc810, ghc96, ghc98, ghc912]
+        compiler-nix-name: [ghc96, ghc98, ghc912]
         include:
           # We want a single job, because macOS runners are scarce.
           - os: macos-latest

doc/building-running.md

@@ -100,7 +100,7 @@ If building locally, to find `cardano-db-sync` executable location use:
 
 ```
 find . -name cardano-db-sync -executable -type f
-./dist-newstyle/build/x86_64-linux/ghc-8.10.4/cardano-db-sync-12.0.0/build/cardano-db-sync/cardano-db-sync
+./dist-newstyle/build/x86_64-linux/ghc-9.6.7/cardano-db-sync-12.0.0/build/cardano-db-sync/cardano-db-sync
 ```
 
 On macOS `brew install postgresl openssl@1.1` and extend PKG_CONFIG_PATH with

doc/installing.md

@@ -12,8 +12,8 @@ This guide assumes you have the following tools:
 
 In addition, Cardano DB Sync requires the following software (instructions below):
 
- * [GHC](https://www.haskell.org/ghcup/install/) >= 8.10.7
- * [Cabal](https://www.haskell.org/ghcup/install/) >= 3.10.1.0
+ * [GHC](https://www.haskell.org/ghcup/install/) >= 9.6.7
+ * [Cabal](https://www.haskell.org/ghcup/install/) >= 3.12.1.0
  * [libsodium-vrf](https://github.com/IntersectMBO/libsodium)
  * [secp256k1](https://github.com/bitcoin-core/secp256k1)
  * [blst](https://github.com/supranational/blst)
@@ -42,10 +42,10 @@ dependencies.
 Once GHCup is installed, open a new terminal (to get an updated environment) and run:
 
 ```bash
-ghcup install ghc 8.10.7
-ghcup install cabal 3.10.1.0
-ghcup set ghc 8.10.7
-ghcup set cabal 3.10.1.0
+ghcup install ghc 9.6.7
+ghcup install cabal 3.12.1.0
+ghcup set ghc 9.6.7
+ghcup set cabal 3.12.1.0
 ```
 
 Check that you will use the GHCup tools (and not any other installation on the system):
@@ -236,7 +236,7 @@ Explicitly set the GHC version that we installed earlier. This avoids defaulting
 system version of GHC that might be different than the one you have installed.
 
 ```bash
-echo "with-compiler: ghc-8.10.7" >> cabal.project.local
+echo "with-compiler: ghc-9.6.7" >> cabal.project.local
 ```
 
 macOS installs OpenSSL in a different location than expected by default. If you have

flake.nix

@@ -212,9 +212,6 @@
                 packages.katip.doExactConfig = true;
                 # Split data to reduce closure size
                 packages.ekg.components.library.enableSeparateDataOutput = true;
-                # Haddock is failing for these two packages (at least with GHC 8.10.7)                
-                packages.ouroboros-network.doHaddock = config.compiler-nix-name != "ghc8107";
-                packages.cardano-node.doHaddock = config.compiler-nix-name != "ghc8107";
               })
 
               ({