feat: Implement ./contribs/gnodev command (gnolang#1386)

.github/workflows/misc.yml

@@ -71,7 +71,7 @@ jobs:
 
       - name: Check go.mods
         run: |
-          set -e
+          set -xe
           # Find all go.mod files
           gomods=$(find . -type f -name go.mod)
           

contribs/Makefile

@@ -4,9 +4,10 @@ help:
 	@cat Makefile | grep '^[a-z][^:]*:' | cut -d: -f1 | sort | sed 's/^/  /'
 
 .PHONY: install
-install: install.gnomd
+install: install.gnomd install.gnodev
 
-install.gnomd:; cd gnomd && go install .
+install.gnomd:;  cd gnomd && go install .
+install.gnodev:; $(MAKE) -C ./gnodev install
 
 .PHONY: clean
 clean:
@@ -21,6 +22,15 @@ GOFMT_FLAGS ?= -w
 fmt:
 	$(rundep) mvdan.cc/gofumpt $(GOFMT_FLAGS) .
 
+.PHONY: tidy
+tidy:
+	@for gomod in `find . -name go.mod`; do ( \
+    dir=`dirname $$gomod`; \
+	  set -xe; \
+	  cd $$dir; \
+	  go mod tidy -v; \
+	); done
+
 ########################################
 # Test suite
 GOTEST_FLAGS ?= -v -p 1 -timeout=30m

contribs/gnodev/Makefile

@@ -0,0 +1,9 @@
+GNOROOT_DIR ?= $(abspath $(lastword $(MAKEFILE_LIST))/../../../)
+
+GOBUILD_FLAGS := -ldflags "-X github.com/gnolang/gno/gnovm/pkg/gnoenv._GNOROOT=$(GNOROOT_DIR)"
+
+install:
+	go install $(GOBUILD_FLAGS) .
+
+build:
+	go build $(GOBUILD_FLAGS) -o build/gnodev ./cmd/gno

contribs/gnodev/README.md

@@ -0,0 +1,24 @@
+## `gnodev`: Your Gno Companion Tool
+
+`gnodev` is designed to be a robust and user-friendly tool in your realm package development journey, streamlining your workflow and enhancing productivity.
+
+### Synopsis
+**gnodev** [**-minimal**] [**-no-watch**] [**PKGS_PATH ...**]
+
+### Features
+- **In-Memory Node**: Automatically loads the **example** folder and any user-specified paths.
+- **Web Interface Server**: Starts a gno.land web server on `:8888`.
+- **Hot Reload**: Monitors the example packages folder and additional directories for file changes, reloading the package and restarting the node as needed.
+- **State Maintenance**: Ensures the current state is maintained by reapplying all previous blocks.
+
+### Commands
+- **H**: Display help information.
+- **R**: Reload the node.
+- **Ctrl+R**: Reset the current node state.
+- **Ctrl+C**: Exit the command.
+
+### Example Folder Loading
+The **example** package folder is loaded automatically. If working within this folder, you don't have to specify any additional paths to `gnodev`. Use `--minimal` to prevent this.
+
+### Installation
+Run `make install` to install `gnodev`.

contribs/gnodev/go.mod

@@ -0,0 +1,60 @@
+module github.com/gnolang/gno/contribs/gnodev
+
+go 1.20
+
+replace github.com/gnolang/gno => ../..
+
+require (
+	github.com/fsnotify/fsnotify v1.7.0
+	github.com/gnolang/gno v0.0.0-00010101000000-000000000000
+	golang.org/x/term v0.15.0
+)
+
+require (
+	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
+	github.com/btcsuite/btcd/btcutil v1.1.3 // indirect
+	github.com/cespare/xxhash v1.1.0 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/cockroachdb/apd/v3 v3.2.1 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
+	github.com/dgraph-io/badger/v3 v3.2103.4 // indirect
+	github.com/dgraph-io/ristretto v0.1.1 // indirect
+	github.com/dustin/go-humanize v1.0.0 // indirect
+	github.com/gnolang/goleveldb v0.0.9 // indirect
+	github.com/gnolang/overflow v0.0.0-20170615021017-4d914c927216 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
+	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/flatbuffers v1.12.1 // indirect
+	github.com/gorilla/mux v1.8.1 // indirect
+	github.com/gorilla/securecookie v1.1.1 // indirect
+	github.com/gorilla/sessions v1.2.1 // indirect
+	github.com/gorilla/websocket v1.5.1 // indirect
+	github.com/gotuna/gotuna v0.6.0 // indirect
+	github.com/jaekwon/testify v1.6.1 // indirect
+	github.com/jmhodges/levigo v1.0.0 // indirect
+	github.com/klauspost/compress v1.12.3 // indirect
+	github.com/libp2p/go-buffer-pool v0.1.0 // indirect
+	github.com/linxGnu/grocksdb v1.8.5 // indirect
+	github.com/pelletier/go-toml v1.9.5 // indirect
+	github.com/peterbourgon/ff/v3 v3.4.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/rogpeppe/go-internal v1.11.0 // indirect
+	github.com/rs/cors v1.10.1 // indirect
+	github.com/stretchr/testify v1.8.4 // indirect
+	github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c // indirect
+	go.etcd.io/bbolt v1.3.8 // indirect
+	go.opencensus.io v0.22.5 // indirect
+	go.uber.org/multierr v1.10.0 // indirect
+	golang.org/x/crypto v0.15.0 // indirect
+	golang.org/x/mod v0.14.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/tools v0.13.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)