feat: make a txsim binary build from Makefile and dockerfile

.github/workflows/docker-build-publish.yml

@@ -20,3 +20,11 @@ jobs:
     uses: celestiaorg/.github/.github/workflows/[email protected] # yamllint disable-line rule:line-length
     with:
       dockerfile: Dockerfile
+
+  docker-txsim-build:
+    permissions:
+      contents: write
+      packages: write
+    uses: celestiaorg/.github/.github/workflows/[email protected]
+    with:
+      dockerfile: docker/Dockerfile_txsim

Makefile

@@ -129,6 +129,21 @@ test-coverage:
 	@export VERSION=$(VERSION); bash -x scripts/test_cover.sh
 .PHONY: test-coverage
 
+## txsim-install: Install the tx simulator/fuzzer.
+txsim-install:
+	@echo "--> Installing tx simulator"
+	@go build -mod=readonly ./test/cmd/txsim
+.PHONY: txsim-install
+
+## txsim-build: Build the txsim binary into the ./build directory.
+txsim-build: mod
+	@echo "--> Building tx simulator"
+	@cd ./test/cmd/txsim
+	@mkdir -p build/
+	@go build $(BUILD_FLAGS) -o build/ ./test/cmd/txsim
+	@go mod tidy -compat=1.20
+.PHONY: txsim-build
+
 ## adr-gen: Download the ADR template from the celestiaorg/.github repo. Ex. `make adr-gen`
 adr-gen:
 	@echo "--> Downloading ADR template"

docker/Dockerfile_txsim

@@ -0,0 +1,49 @@
+# stage 1 Generate celestia-appd Binary
+FROM docker.io/golang:1.20.5-alpine3.17 as builder
+# hadolint ignore=DL3018
+RUN apk update && apk add --no-cache \
+    gcc \
+    git \
+    make \
+    musl-dev
+COPY . /celestia-app
+WORKDIR /celestia-app
+# we need the appd build as we might want to create an account
+# internally for txsimulation
+RUN make build
+RUN make txsim-build
+
+# stage 2
+FROM docker.io/alpine:3.18.2
+
+# Read here why UID 10001: https://github.com/hexops/dockerfile/blob/main/README.md#do-not-use-a-uid-below-10000
+ARG UID=10001
+ARG USER_NAME=celestia
+
+ENV CELESTIA_HOME=/home/${USER_NAME}
+
+# hadolint ignore=DL3018
+RUN apk update && apk add --no-cache \
+    bash \
+    curl \
+    jq \
+    # Creates a user with $UID and $GID=$UID
+    && adduser ${USER_NAME} \
+    -D \
+    -g ${USER_NAME} \
+    -h ${CELESTIA_HOME} \
+    -s /sbin/nologin \
+    -u ${UID}
+
+# Copy in the binary
+COPY --from=builder /celestia-app/build/celestia-appd /bin/celestia-appd
+COPY --from=builder /celestia-app/build/txsim /bin/txsim
+
+COPY --chown=${USER_NAME}:${USER_NAME} docker/txsim.sh /opt/entrypoint.sh
+
+USER ${USER_NAME}
+
+# p2p, rpc and prometheus port
+EXPOSE 26656 26657 1317 9090
+
+ENTRYPOINT [ "/bin/bash", "/opt/entrypoint.sh" ]

docker/txsim.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if [ "$1" = 'create-key' ]; then
+  echo "Creating a new keyring-test for the txsim"
+  exec /bin/celestia-appd keys add sim --keyring-backend test --home /home/celestia
+fi
+
+# TODO: This is a temporary solution to get the txsim working
+# Please define your own entrypoint.sh when running a txsim's dockerimage
+txsim --help
+
+# example of running a txsim on robusta chain
+# txsim --key-path /home/celestia \
+#  --rpc-endpoints http://consensus-validator-robusta-rc6.celestia-robusta.com:26657,http://consensus-full-robusta-rc6.celestia-robusta.com:26657 \
+#  --grpc-endpoints consensus-validator-robusta-rc6.celestia-robusta.com:9090 --poll-time 10s --blob 10 --seed 100 --send 10 --stake 2