Docker build for running enigma devnet (#1)

* docker dev build

Dockerfile_devnet

@@ -0,0 +1,56 @@
+# Simple usage with a mounted data directory:
+# > docker build -t enigma .
+# > docker run -it -p 26657:26657 -p 26656:26656 -v ~/.enigmad:/root/.enigmad -v ~/.enigmacli:/root/.enigmacli enigma enigmad init
+# > docker run -it -p 26657:26657 -p 26656:26656 -v ~/.enigmad:/root/.enigmad -v ~/.enigmacli:/root/.enigmacli enigma enigmad start
+FROM rust:1.42-stretch AS build-env-rust
+
+# Set working directory for the build
+WORKDIR /go/src/github.com/enigmampc/enigmablockchain
+
+RUN rustup default nightly
+
+# Add source files
+COPY go-cosmwasm/ go-cosmwasm/
+
+WORKDIR /go/src/github.com/enigmampc/enigmablockchain/go-cosmwasm
+RUN cargo build --release --features backtraces
+
+FROM golang:1.14-stretch AS build-env
+
+# Set up dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    make \
+    git && \
+    rm -rf /var/lib/apt/lists/*
+
+# Set working directory for the build
+WORKDIR /go/src/github.com/enigmampc/enigmablockchain
+
+# Add source files
+COPY . .
+
+COPY --from=build-env-rust /go/src/github.com/enigmampc/enigmablockchain/go-cosmwasm/target/release/libgo_cosmwasm.so go-cosmwasm/api
+
+RUN go mod tidy
+
+RUN make build_local_no_rust
+
+# Final image
+FROM ubuntu:18.04
+
+# Install ca-certificates
+WORKDIR /root
+
+# Copy over binaries from the build-env
+COPY --from=build-env-rust /go/src/github.com/enigmampc/enigmablockchain/go-cosmwasm/target/release/libgo_cosmwasm.so /usr/lib/
+COPY --from=build-env /go/src/github.com/enigmampc/enigmablockchain/enigmad /usr/bin/enigmad
+COPY --from=build-env  /go/src/github.com/enigmampc/enigmablockchain/enigmacli /usr/bin/enigmacli
+
+COPY ./packaging_docker/devnet_init.sh .
+
+RUN chmod +x /usr/bin/enigmad
+RUN chmod +x /usr/bin/enigmacli
+
+# Run enigmad by default, omit entrypoint to ease using container with enigmacli
+ENTRYPOINT ["/bin/bash", "devnet_init.sh"]

Makefile

@@ -66,6 +66,11 @@ xgo_build_enigmad: go.sum
 xgo_build_enigmacli: go.sum
 	xgo --go latest --targets $(XGO_TARGET) $(BUILD_FLAGS) github.com/enigmampc/EnigmaBlockchain/cmd/enigmacli
 
+build_local_no_rust:
+	@ #this pulls out ELF symbols, 80% size reduction!
+	go build -mod=readonly $(BUILD_FLAGS) ./cmd/enigmad
+	go build -mod=readonly $(BUILD_FLAGS) ./cmd/enigmacli
+
 build_local:
 	cd go-cosmwasm && rustup run nightly cargo build --release --features backtraces
 	cp go-cosmwasm/target/release/libgo_cosmwasm.so go-cosmwasm/api

docs/dev/for-enigma-blockchain-devs.md

@@ -2,15 +2,17 @@
 
 **Requirement**: Go version needs to be [1.13 or higher](https://golang.org/dl/).
 
+# Developers Quick Start
+
+## Local installation
+
 ```bash
 git clone https://github.com/enigmampc/EnigmaBlockchain
 cd EnigmaBlockchain
 go mod tidy
 make install # installs enigmad and enigmacli
 ```
 
-# Developers Quick Start
-
 ```bash
 enigmacli config chain-id enigma-testnet # now we won't need to type --chain-id enigma-testnet every time
 enigmacli config output json
@@ -41,6 +43,17 @@ enigmad validate-genesis # make sure genesis file is correct
 enigmad start --pruning nothing # starts a node
 ```
 
+## Docker installation
+
+```bash
+git clone https://github.com/enigmampc/EnigmaBlockchain
+cd EnigmaBlockchain
+docker build -t enigmadev -f Dockerfile_devnet .
+
+docker run -d -p 26657:26657 -p 26656:26656 -p 1317:1317 \
+ --name enigmadev enigmadev
+```
+
 # Delegation & Rewards
 
 ## `b` is a delegator of `a`

packaging_docker/devnet_init.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+enigmacli config chain-id enigma-testnet # now we won't need to type --chain-id enigma-testnet every time
+enigmacli config output json
+enigmacli config indent true
+enigmacli config trust-node true # true if you trust the full-node you are connecting to, false otherwise
+
+enigmad init banana --chain-id enigma-testnet # banana==moniker==user-agent of this node
+perl -i -pe 's/"stake"/"uscrt"/g' ~/.enigmad/config/genesis.json # change the default staking denom from stake to uscrt
+
+enigmacli keys add a --keyring-backend test
+enigmacli keys add b --keyring-backend test
+
+enigmad add-genesis-account $(enigmacli keys show -a a --keyring-backend test) 1000000000000uscrt # 1 SCRT == 10^6 uSCRT
+enigmad add-genesis-account $(enigmacli keys show -a b --keyring-backend test) 2000000000000uscrt # 1 SCRT == 10^6 uSCRT
+
+enigmad validate-genesis # make sure genesis file is correct
+
+# `enigmad export` to send genesis.json to validators
+
+enigmad gentx --name a --amount 1000000uscrt --keyring-backend test # generate a genesis transaction - this makes a a validator on genesis which stakes 1000000uscrt (1 SCRT)
+
+enigmad collect-gentxs # input the genTx into the genesis file, so that the chain is aware of the validators
+
+enigmad validate-genesis # make sure genesis file is correct
+
+# `enigmad export` to send genesis.json to validators
+
+enigmad start --pruning nothing # starts a node