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authorAdam Soltys <[email protected]>2026-06-27 11:00:08 -0700
committerAdam Soltys <[email protected]>2026-06-27 11:00:08 -0700
commite0a4a5e9d332f998456b637f5d8ba38563d19827 (patch)
tree099ec5b42f5bdd545e82243dfe6b5faddf1edff1 /docker/fulcrum.Dockerfile
parent45a988b3554f44abd03a2d89f1b9087c993186c1 (diff)
downloadcoinos-server-regtest-fulcrum.tar.gz
coinos-server-regtest-fulcrum.zip
regtest: add Fulcrum (Electrum/WS) with ZMQ push for Hal realtimeregtest-fulcrum
Adds a regtest Fulcrum service matching what prod runs, replacing the old electrs + ews bridge as the data/realtime backend for the Hal browser wallet. It connects to `bc` and gets instant block/mempool notifications over bitcoind's ZMQ (hashblock/hashtx), serving them to the browser over an Electrum WebSocket (:50003) — sub-second deposit + confirmation updates on regtest. - docker/fulcrum.Dockerfile: Fulcrum on ghcr.io/coinos/base (shares layers with the rest of the stack instead of a separate image tree). - compose.fulcrum.yml: opt-in overlay (`-f compose.fulcrum.yml up -d`), config + datadir under the gitignored data/ (seeded from sampledata by setup.sh). - sampledata/fulcrum/fulcrum.conf: regtest config pointed at `bc`, ZMQ enabled. - sampledata/bitcoin/bitcoin.conf: add zmqpubhashblock/hashtx (18508/18509) so Fulcrum can subscribe for instant notifications. Co-Authored-By: Claude Opus 4.8 <[email protected]>
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+# Fulcrum on the coinos base image. The static upstream release binary is
+# self-contained, so we just drop it onto ghcr.io/coinos/base — the rest of the
+# coinos stack already uses that base, so this shares layers instead of pulling
+# a separate Fulcrum image tree. Matches the prod Fulcrum version.
+FROM ghcr.io/coinos/base
+USER root
+ARG VERSION=2.1.1
+ADD https://github.com/cculianu/Fulcrum/releases/download/v${VERSION}/Fulcrum-${VERSION}-x86_64-linux.tar.gz /tmp/f.tar.gz
+RUN tar xzf /tmp/f.tar.gz -C /usr/local/bin --strip-components=1 \
+ Fulcrum-${VERSION}-x86_64-linux/Fulcrum Fulcrum-${VERSION}-x86_64-linux/FulcrumAdmin \
+ && rm /tmp/f.tar.gz && mkdir -p /etc/fulcrum /data
+ENTRYPOINT ["Fulcrum"]
+CMD ["/etc/fulcrum/fulcrum.conf"]