docker-bitcoind/bitcoind.run

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#!/bin/bash
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export HOME="/var/lib/bitcoind"
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# gen random pw for rpc server
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RANDOMPW=$(dd if=/dev/urandom bs=10 count=1 status=none | shasum | cut -b 1-20)
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cat <<EOF > $HOME/bitcoin.conf
rpcuser=${BITCOIND_RPCUSER:-rpcuser}
rpcpassword=${BITCOIND_RPCPASSWORD:-$RANDOMPW}
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EOF
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# SECURITY this puts the rpc password into the container log
cat $HOME/bitcoin.conf
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ARGS=""
ARGS+=" -printtoconsole"
ARGS+=" -disablewallet"
ARGS+=" -datadir=$HOME"
ARGS+=" -conf=$HOME/bitcoin.conf"
ARGS+=" -rpcallowip=::/0"
if [[ ! -d $HOME/blocks ]]; then
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if [[ -e /var/lib/bootstrap.dat ]]; then
ARGS+=" -loadblock=/var/lib/bootstrap.dat"
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fi
fi
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chown -R bitcoind:bitcoind $HOME
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exec chpst -ubitcoind \
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bitcoind $ARGS \
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$BITCOIND_EXTRA_OPTS \
2>&1