#Based on Dockerflie from Kyle Manna - https://github.com/kylemanna/docker-bitcoind

FROM almalinux/9-minimal AS build

RUN microdnf update -y \
    && microdnf install -y \
    ca-certificates \
    gnupg2 \
    libatomic \
    wget \
    tar \
    gzip \
    && microdnf clean all && rm -fr /tmp/* /var/tmp/*

ARG VERSION=26.0
ARG BITCOIN_CORE_SIGNATURE=71A3B16735405025D447E8F274810B012346C9A6
ENV GOSU_VERSION 1.17

RUN cd /tmp \
    && gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys ${BITCOIN_CORE_SIGNATURE} \
    && wget https://bitcoincore.org/bin/bitcoin-core-${VERSION}/SHA256SUMS.asc \
    https://bitcoincore.org/bin/bitcoin-core-${VERSION}/SHA256SUMS \
    https://bitcoincore.org/bin/bitcoin-core-${VERSION}/bitcoin-${VERSION}-x86_64-linux-gnu.tar.gz \
    && gpg --verify --status-fd 1 --verify SHA256SUMS.asc SHA256SUMS 2>/dev/null | grep "^\[GNUPG:\] VALIDSIG.*${BITCOIN_CORE_SIGNATURE}\$" \
    && sha256sum --ignore-missing --check SHA256SUMS \
    && tar -xzvf bitcoin-${VERSION}-x86_64-linux-gnu.tar.gz -C /opt \
    && ln -sv bitcoin-${VERSION} /opt/bitcoin \
    && /opt/bitcoin/bin/test_bitcoin --show_progress \
    && rm -v /opt/bitcoin/bin/test_bitcoin /opt/bitcoin/bin/bitcoin-qt

RUN wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-amd64"; \
	wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-amd64.asc"; \
	\
# verify the signature
	export GNUPGHOME="$(mktemp -d)"; \
	gpg --batch --keyserver hkps://keys.openpgp.org --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4; \
	gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu; \
	gpgconf --kill all; \
	rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc; 

FROM almalinux/9-minimal
LABEL maintainer="b0xxer@b0xxy.net"

ENTRYPOINT ["entrypoint.sh"]
ENV HOME /bitcoin
EXPOSE 8332 8333
VOLUME ["/bitcoin/.bitcoin"]
WORKDIR /bitcoin

COPY --from=build /opt/ /opt/
COPY --from=build /usr/local/bin/gosu /usr/local/bin/

RUN microdnf update -y \
    && microdnf install -y libatomic shadow-utils \
    && microdnf clean all && rm -rf /tmp/* /var/tmp/* \
    && ln -sv /opt/bitcoin/bin/* /usr/local/bin 

ARG GROUP_ID=1000
ARG USER_ID=1000
RUN groupadd -g ${GROUP_ID} bitcoin \
    && useradd -u ${USER_ID} -g bitcoin -d /bitcoin bitcoin


COPY ./bin ./entrypoint.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/entrypoint.sh && chmod +x /usr/local/bin/gosu \
  && chmod +x /usr/local/bin/btc_oneshot && chmod +x /usr/local/bin/btc_init 

CMD ["btc_oneshot"]