Added Dijkstra era

Author: Soupstraw

cabal.project

@@ -38,6 +38,7 @@ packages:
   eras/babbage/test-suite
   eras/conway/impl
   eras/conway/test-suite
+  eras/dijkstra
   eras/mary/impl
   eras/shelley/impl
   eras/shelley/test-suite

eras/dijkstra/CHANGELOG.md

@@ -0,0 +1,5 @@
+# Revision history for cardano-ledger-dijkstra
+
+## 0.1.0.0 -- YYYY-mm-dd
+
+* First version. Released on an unsuspecting world.

eras/dijkstra/LICENSE

@@ -0,0 +1,29 @@
+Copyright (c) 2025, IOG
+
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of the copyright holder nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

eras/dijkstra/cardano-ledger-dijkstra.cabal

@@ -0,0 +1,85 @@
+cabal-version: 3.0
+name: cardano-ledger-dijkstra
+version: 0.1.0.0
+license: Apache-2.0
+maintainer: [email protected]
+author: IOHK
+bug-reports: https://github.com/intersectmbo/cardano-ledger/issues
+synopsis: Cardano ledger with nested transactions
+description:
+  This package builds upon the Conway ledger with a nested transactions system.
+
+category: Network
+build-type: Simple
+extra-source-files: CHANGELOG.md
+
+source-repository head
+  type: git
+  location: https://github.com/intersectmbo/cardano-ledger
+  subdir: eras/dijkstra
+
+flag asserts
+  description: Enable assertions
+  default: False
+
+library
+  exposed-modules:
+    Cardano.Ledger.Dijkstra
+  hs-source-dirs: src
+
+  default-language: Haskell2010
+  ghc-options:
+    -Wall
+    -Wcompat
+    -Wincomplete-record-updates
+    -Wincomplete-uni-patterns
+    -Wpartial-fields
+    -Wredundant-constraints
+    -Wunused-packages
+
+  build-depends:
+    base >=4.14 && <5,
+  if flag(asserts)
+    ghc-options: -fno-ignore-asserts
+
+library testlib
+  exposed-modules:
+  visibility: public
+  hs-source-dirs: testlib
+  other-modules: Paths_cardano_ledger_dijkstra
+  default-language: Haskell2010
+  ghc-options:
+    -Wall
+    -Wcompat
+    -Wincomplete-record-updates
+    -Wincomplete-uni-patterns
+    -Wpartial-fields
+    -Wredundant-constraints
+    -Wunused-packages
+
+  build-depends:
+    base,
+
+test-suite tests
+  type: exitcode-stdio-1.0
+  main-is: Main.hs
+  hs-source-dirs: test
+  other-modules:
+    Paths_cardano_ledger_dijkstra
+
+  default-language: Haskell2010
+  ghc-options:
+    -Wall
+    -Wcompat
+    -Wincomplete-record-updates
+    -Wincomplete-uni-patterns
+    -Wredundant-constraints
+    -Wpartial-fields
+    -Wunused-packages
+    -threaded
+    -rtsopts
+    -with-rtsopts=-N
+
+  build-depends:
+    base,
+    testlib,

eras/dijkstra/src/Cardano/Ledger/Dijkstra.hs

@@ -0,0 +1 @@
+module Cardano.Ledger.Dijkstra () where

eras/dijkstra/test/Main.hs

@@ -0,0 +1,5 @@
+module Main where
+
+main :: IO ()
+main = putStrLn "TODO add a test suite"
+