Updates for crypton/memory/ram changes

The package `crypton < 1.1` depends on `memory` and `>= 1.1` depends
on `ram`. This does not affect `consensus` directly, but has a huge
impact on the whole stack, `ledger`, `consensus` and `node` all need
to be changed/fixed at once.

Author: erikd

cabal.project

@@ -20,6 +20,23 @@ index-state:
 
 packages: .
 
+-- TEMPORARY: none of these packages touch `memory`/`crypton` directly, they
+-- just haven't widened their cardano-crypto-class upper bound past <2.6 yet,
+-- so relaxing the bound against their already-published code is safe (unlike
+-- the cardano-ledger-* packages, which would drag in an unreleased, version-
+-- skewed slice of that monorepo if done via a source-repository-package
+-- instead). Remove alongside the source-repository-package at the bottom
+-- of this file once upstream catches up.
+allow-newer:
+  cardano-ledger-mary:cardano-crypto-class,
+  cardano-ledger-shelley:cardano-crypto-class,
+  cardano-ledger-binary:cardano-crypto-class,
+  cardano-ledger-core:cardano-crypto-class,
+  cardano-protocol:cardano-crypto-class,
+  cardano-protocol-tpraos:cardano-crypto-class,
+  kes-agent:cardano-crypto-class,
+  kes-agent-crypto:cardano-crypto-class,
+
 -- We want to always build the test-suites and benchmarks
 tests: true
 benchmarks: true
@@ -42,3 +59,17 @@ if os (windows)
 
 constraints:
   tasty <1.5.4,
+
+-- TEMPORARY: pulls in cardano-ledger PR #5999 (erikd/ram, not yet merged)
+-- https://github.com/IntersectMBO/cardano-ledger/pull/5999
+-- which switches cardano-crypto-wrapper from `memory` to `ram` (crypton
+-- >=1.1's replacement for `memory`), so it builds against crypton >=1.1.
+-- This is the only package in the chain that needs an actual source
+-- change; the allow-newer entries above cover everything else, which just
+-- has an overly conservative cardano-crypto-class upper bound. Remove once
+-- this PR (or an equivalent fix) is released.
+source-repository-package
+  type: git
+  location: https://github.com/IntersectMBO/cardano-ledger
+  tag: 6def84b5ae0033053feda72f32b1dac41c812e0e
+  subdir: eras/byron/crypto

ouroboros-consensus.cabal

@@ -357,7 +357,7 @@ library
     binary >=0.8 && <0.11,
     bytestring >=0.10 && <0.13,
     cardano-binary,
-    cardano-crypto-class ^>=2.5,
+    cardano-crypto-class ^>=2.5 || ^>=2.6,
     cardano-diffusion:api,
     cardano-ledger-binary ^>=1.9,
     cardano-ledger-core ^>=1.21,