adding dir for mining

mining/Dockerfile

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+FROM ubuntu:19.10
+
+RUN \
+  apt-get update \
+  && apt-get install -y git build-essential cmake libuv1-dev libssl-dev libhwloc-dev \
+  && git clone https://github.com/xmrig/xmrig.git /root/xmrig \
+  && mkdir /root/xmrig/build \
+  && cd /root/xmrig/build \
+  && cmake .. \
+  && make
+
+COPY start_mining .
+
+RUN chmod +x start_mining
+
+ENTRYPOINT ["./start_mining"]

mining/README.md

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+# Miner
+
+This is a quick and dirty implementation. There's some hardcoded choices in there until I go back and update it or someone makes a PR.
+
+```
+# build container image of xmrig (mining software)
+docker build -t miner .
+
+# run simple wow miner
+docker run --rm -d --name miner miner <your wow address>
+
+# run big monero miner
+docker run --rm -d --name miner miner <your xmr address> xmr 8
+```
+
+See [start_mining](./start_mining) for details of inputs.

mining/start_mining

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+#!/bin/bash
+
+set -xe
+
+RECV_ADDR=${1}
+SYMBOL=${2:-wow}
+THREADS=${3:-2}
+
+if [[ "${SYMBOL}" == "wow" ]]; then
+  ALGO="rx/wow"
+  CRYPTO="wownero"
+  URL=ca.${CRYPTO}.herominers.com:10661
+  ADDRESS=${RECV_ADDR}
+elif [[ "${SYMBOL}" == "xmr" ]]; then
+  ALGO="rx/0"
+  CRYPTO="monero"
+  URL=pool.supportxmr.com:3333
+  ADDRESS=${RECV_ADDR}
+fi
+
+/root/xmrig/build/xmrig \
+  --donate-level 1 \
+  --url=${URL} \
+  --user=${ADDRESS} \
+  --pass=$HOSTNAME \
+  --algo=${ALGO} \
+  --keepalive \
+  --print-time=10 \
+  --threads=${THREADS}