Copied basic structure from marlowe dashboard

marlowe-marketplace-client/.gitignore

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+# FIXME: @michaelpj to remove this in favour of root .giignore file
+# once he figures out what's going on with nix-gitignore
+generated
+generated/
+generated-docs/
+node_modules/
+output/
+yarn-error.log
+yarn.lock
+.psci_modules/
+.psc-package/
+.psc-package2nix/
+.spago/
+.spago2nix/

marlowe-marketplace-client/README.md

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+The Marlowe Marketplace is an online application that lets users browse for Marlowe Contracts.
+
+## Getting started
+
+The Marlowe Marketplace is written in [PureScript](https://www.purescript.org/) and uses npm and [spago](https://github.com/purescript/spago) for managing dependencies.
+
+**Note**: _The workflow described here relies heavily on Nix. This means you should either be working inside a nix-shell environment or use tools such as [lorri](https://github.com/target/lorri) or [nix-direnv](https://github.com/nix-community/nix-direnv) or similar to provide a suitable environment._
+
+
+### Starting the frontend server
+
+With the backend server running you can get started using the `npm start` script:
+
+```bash
+$ npm run start
+```
+
+The `start` script will:
+
+- Install npm dependencies
+- Compile the purescript code
+- Start the webkpack server
+
+Once the `start` script completes you can access the frontend via [http://localhost:8009](http://localhost:8009)
+
+## Development Workflow
+
+The following outlines some essentials for actually working on the marlowe marketplace code.
+
+### NPM Scripts
+
+Apart from the `start` script introduced above there are a couple of scripts for the most frequent tasks during development. In order to run a webpack server in development mode with automatic reloading use **webpack:server**:
+
+```
+$ npm webpack:server
+```
+
+Please refer to [package.json](./package.json) for the full set of provided scripts.
+
+
+### Managing Dependencies
+
+There are two relevant sources of dependencies that have to be handled and integrated with Nix separately: _Javascript(/npm)_ dependencies and _PureScript_ dependencies.
+
+#### Managing NPM Dependencies
+
+The Javascript dependencies are handled by npm in [package.json](./package.json) (and [package-lock.json](./package-lock.json) which
+is updated by npm automatically).
+
+The npm dependencies are integrated with Nix via [npmlock2nix](https://github.com/tweag/npmlock2nix) almost completely transparently. Any changes to the lockfile will be picked up npmlock2nix automatically during the nix build. No
+additional files have to be generated or maintained.
+
+##### NodeJS GitHub dependencies
+
+In general, npm dependencies are handled by npmlock2nix automatically and transparently. The one exception to this rule are
+GitHub dependencies. In order for these to work in restricted evaluation mode (which is what hydra uses) you have to specify
+the sha256 of the dependency you want to use in your `buildNodeModules`. For example:
+
+```
+buildNodeModules {
+    projectDir = ./.;
+    packageJson = ./package.json;
+    packageLockJson = ./package-lock.json;
+    githubSourceHashMap = {
+      shmish111.nearley-webpack-loader."939360f9d1bafa9019b6ff8739495c6c9101c4a1" = "1brx669dgsryakf7my00m25xdv7a02snbwzhzgc9ylmys4p8c10x";
+    };
+}
+```
+
+You can add new dependencies with the sha256 set to `"0000000000000000000000000000000000000000000000000000"`. This will yield an error
+message during the build with the actual hash value.
+
+#### Managing PureScript Dependencies
+
+The PureScript dependencies are handled by [spago](https://github.com/purescript/spago) in [packages.dhall](./packages.dhall).
+
+The Nix integration is done using [spago2nix](https://github.com/justinwoo/spago2nix). Any changes to the PureScript dependencies
+require an update of the Nix code generated by spago2nix:
+
+```
+$ spago2nix generate
+```
+
+This will parse the spago configuration and will generate an updated `.nix` file.
+
+**Note**: If the `spago2nix` command is not available make sure you are inside a nix-shell environment or that your lorri session
+is up and running.
+
+
+### Nix
+
+#### Building The Client With Nix
+
+You can run the following command (from the repository root) to build the client and the
+backend server with Nix:
+
+```sh
+$ nix-build \
+  --option trusted-public-keys "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=" \
+  --option substituters https://hydra.iohk.io \
+  -A marlowe-dashboard.client -A marlowe-dashboard.server-invoker
+```
+
+**Note**: When building the client make sure that the generated directory is removed completely or you will get _Duplicate module_ errors.
+
+#### Building Docker Images With Nix
+
+```sh
+$ nix build -f default.nix marlowe-dashboard.docker
+$ docker load < result
+# You can see the image name and tag as a result of the previous command and use it below
+$ docker run -p 8080:8080 marlowe-dashboard-docker:somecrazytag
+```

marlowe-marketplace-client/default.nix

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+{ pkgs, gitignore-nix, webCommon, webCommonMarlowe, buildPursPackage, buildNodeModules, filterNpm, plutus-pab }:
+let
+  cleanSrc = gitignore-nix.gitignoreSource ./.;
+
+  nodeModules = buildNodeModules {
+    projectDir = filterNpm cleanSrc;
+    packageJson = ./package.json;
+    packageLockJson = ./package-lock.json;
+    githubSourceHashMap = { };
+  };
+
+  client = buildPursPackage {
+    inherit pkgs nodeModules;
+    src = cleanSrc;
+    checkPhase = ''
+      node -e 'require("./output/Test.Main").main()'
+    '';
+    name = "marlowe-marketplace-client";
+    extraSrcs = {
+      web-common = webCommon;
+      web-common-marlowe = webCommonMarlowe;
+      generated = plutus-pab.generated-purescript;
+    };
+    packages = pkgs.callPackage ./packages.nix { };
+    spagoPackages = pkgs.callPackage ./spago-packages.nix { };
+  };
+in
+{
+  inherit (plutus-pab) server-invoker generated-purescript generate-purescript start-backend;
+  inherit client;
+}

marlowe-marketplace-client/entry.js

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+/*eslint-env node*/
+import './static/css/main.css';
+import './src/Main.purs';