feat: Dockerize our wasmd single-node validator (#110)

Signed-off-by: Thane Thomson <connect@thanethomson.com>

docker/wasmd/Dockerfile

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+ARG WASMD_VERSION=v0.44.0
+
+FROM cosmwasm/wasmd:${WASMD_VERSION}
+
+# Increase the amount of ucosm given to accounts
+RUN sed -i  's/1000000000/12000000000000/g' /opt/setup_wasmd.sh
+
+# Set up wasmd. The account numbers correspond to those in the ./accounts/
+# folder.
+RUN /opt/setup_wasmd.sh \
+        wasm1mkrm9m8g0dzv5z73xg8yzlj6srqc72qru5xfv3 \
+        wasm19azg82cx3qx88gar8nl08rz7x0p27amtmadfep \
+        wasm1adcnk7lt6qst7p5d0g5607e28k77um7nxwxuqy \
+        wasm1jn34x50hy3my0a2mxwcx8fttgfxu2n5gpvu0ty
+
+# Configure the validator for single-node operation within a Docker container
+RUN <<EOF
+sed -i 's/keyring-backend = "os"/keyring-backend = "test"/g' /root/.wasmd/config/client.toml
+sed -i 's/enabled-unsafe-cors = false/enabled-unsafe-cors = true/g' /root/.wasmd/config/app.toml
+sed -i 's/address = \"tcp:\/\/localhost:1317\"/address = \"tcp:\/\/0.0.0.0:1317\"/g' /root/.wasmd/config/app.toml
+sed -i 's/address = \"localhost:909/address = \"0.0.0.0:909/g' /root/.wasmd/config/app.toml
+sed -i 's/enable = false/enable = true/g' /root/.wasmd/config/app.toml
+sed -i 's/rpc-max-body-bytes = 1000000$/rpc-max-body-bytes = 1000000000/g' /root/.wasmd/config/app.toml
+sed -i 's/laddr = \"tcp:\/\/127.0.0.1:26657\"/laddr = \"tcp:\/\/0.0.0.0:26657\"/g' /root/.wasmd/config/config.toml
+sed -i 's/cors_allowed_origins = \[\]/cors_allowed_origins = \[\"*\"\]/g' /root/.wasmd/config/config.toml
+sed -i 's/max_body_bytes = 1000000$/max_body_bytes = 1000000000/g' /root/.wasmd/config/config.toml
+sed -i 's/max_tx_bytes = 1048576$/max_tx_bytes = 104857600/g' /root/.wasmd/config/config.toml
+EOF
+
+CMD ["/opt/run_wasmd.sh"]

docker/wasmd/Makefile

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+WASMD_VERSION?=v0.44.0
+ORG?=informaldev
+IMAGE?=$(ORG)/wasmd
+.DEFAULT_GOAL := build
+
+build:
+	docker build \
+		--build-arg="WASMD_VERSION=$(WASMD_VERSION)" \
+		-t $(IMAGE):$(WASMD_VERSION) \
+		.
+.PHONY: build
+
+run: build
+	docker run --rm -it \
+		-p 26657:26657 -p 26656:26656 -p 1317:1317 -p 9090:9090 \
+		--mount type=volume,source=wasmd_data,target=/root \
+		--name wasmd \
+		$(ORG)/wasmd:$(WASMD_VERSION)
+.PHONY: run
+
+# The create-accounts and delete-accounts commands are exclusively for local use
+# to refresh the accounts in ./accounts/
+#
+# Both targets require that the correct version of wasmd be installed locally.
+create-accounts:
+	mkdir -p ./accounts
+	wasmd keys add admin > ./accounts/admin.txt 2>&1
+	wasmd keys add alice > ./accounts/alice.txt 2>&1
+	wasmd keys add bob > ./accounts/bob.txt 2>&1
+	wasmd keys add charlie > ./accounts/charlie.txt 2>&1
+.PHONY: create-accounts
+
+delete-accounts:
+	wasmd keys delete -y admin
+	wasmd keys delete -y alice
+	wasmd keys delete -y bob
+	wasmd keys delete -y charlie
+.PHONY: delete-accounts

docker/wasmd/README.md

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+# Quartz app wasmd image
+
+This folder contains a `Dockerfile` that helps build a single-node [wasmd]
+validator for use in testing your Quartz application.
+
+It facilitates the creation of a Docker image with 4 accounts pre-loaded, each
+having a small amount of `ucosm` preloaded from genesis for experimentation.
+
+- `admin`
+- `alice`
+- `bob`
+- `charlie`
+
+These accounts' details are stored in clear text in the [accounts](./accounts/)
+folder.
+
+**Note: this image is _not_ intended to be used in production.**
+
+## Running the image
+
+From this directory, simply run:
+
+```bash
+make run
+```
+
+This will implicitly call `make build` to build the Docker image, and then run
+it, binding to the following ports on the local machine:
+
+- 1317
+- 9090
+- 26656
+- 26657
+
+It also implicitly creates a Docker volume called `wasmd_data` such that just
+the contents of the `/root` directory in the container persist across restarts.
+To wipe this volume and start from scratch, simply terminate the container and
+run:
+
+```bash
+docker volume rm wasmd_data
+```
+
+## Building the image
+
+To build the image without running it, simply run:
+
+```bash
+make
+```
+
+This will, by default, build a Docker image tagged `informaldev/wasmd:v0.44.0`.
+
+## Querying accounts in the container
+
+To query, for example, the `admin` account's balance, where the `admin`
+account's address is `wasm1mkrm9m8g0dzv5z73xg8yzlj6srqc72qru5xfv3`, once the
+Docker container is running, in a separate terminal run:
+
+```bash
+# The first "wasmd" indicates the name of the running Docker container, whereas
+# the second "wasmd" indicates the name of the command to run inside the
+# container.
+docker exec -it wasmd \
+    wasmd query bank balances wasm1mkrm9m8g0dzv5z73xg8yzlj6srqc72qru5xfv3
+```
+
+You should see output like:
+
+```bash
+balances:
+- amount: "12000000000000"
+  denom: ucosm
+- amount: "12000000000000"
+  denom: ustake
+pagination:
+  next_key: null
+  total: "0"
+```
+
+[wasmd]: https://github.com/CosmWasm/wasmd

docker/wasmd/accounts/admin.txt

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+
+- address: wasm1mkrm9m8g0dzv5z73xg8yzlj6srqc72qru5xfv3
+  name: admin
+  pubkey: '{"@type":"/cosmos.crypto.secp256k1.PubKey","key":"Ax3A4I9zO4eI9+3YuU4s2wAy7vQZANa7SgdCjvgkE592"}'
+  type: local
+
+
+**Important** write this mnemonic phrase in a safe place.
+It is the only way to recover your account if you ever forget your password.
+
+scrap toss pottery food asset question utility uncle napkin glare sketch poet entire column comfort traffic hurdle person annual quick party crumble slab tissue

docker/wasmd/accounts/alice.txt

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+
+- address: wasm19azg82cx3qx88gar8nl08rz7x0p27amtmadfep
+  name: alice
+  pubkey: '{"@type":"/cosmos.crypto.secp256k1.PubKey","key":"AjTyNLPEA3jD6+BUogvEowwjKi9XjVlJ09RDnc4mhlcR"}'
+  type: local
+
+
+**Important** write this mnemonic phrase in a safe place.
+It is the only way to recover your account if you ever forget your password.
+
+grain shoe diamond mix chunk turn odor across reduce room smart napkin scale ghost emotion stove mistake someone account snow country rail boy rescue

docker/wasmd/accounts/bob.txt

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+
+- address: wasm1adcnk7lt6qst7p5d0g5607e28k77um7nxwxuqy
+  name: bob
+  pubkey: '{"@type":"/cosmos.crypto.secp256k1.PubKey","key":"A7IHJ0ihzXP/pQqhCQxH7+qsMEvarKWaVsYqzPeblAn+"}'
+  type: local
+
+
+**Important** write this mnemonic phrase in a safe place.
+It is the only way to recover your account if you ever forget your password.
+
+inmate surface cement any mule sweet what hamster rent ridge series equip equal supply plunge mango mystery chase other economy build pool coyote enter

docker/wasmd/accounts/charlie.txt

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+
+- address: wasm1jn34x50hy3my0a2mxwcx8fttgfxu2n5gpvu0ty
+  name: charlie
+  pubkey: '{"@type":"/cosmos.crypto.secp256k1.PubKey","key":"A9LnFBufvSFCF+aRd3eIB9sSLcguFHOsGJZsaN9D/zx7"}'
+  type: local
+
+
+**Important** write this mnemonic phrase in a safe place.
+It is the only way to recover your account if you ever forget your password.
+
+wrestle garage wrist bread woman depart service butter sorry soup tunnel gorilla absurd mansion obtain since security hair okay sense fly keep door inject