Rob Thijssen
e936597806
The node embeds the reward preimage verbatim in the PreRuntime digest of every block it authors (client/consensus/qpow/src/lib.rs:726), and the mining-rewards pallet reads that digest back to derive the payout address on-chain. It is public from the first mined block. So the Gitea secret, the 0640 handling and the ps-visibility caveat were all theatre over a value published on a blockchain. It moves to the workflow env: block with the rest of the infra truth, and infra-setup.sh loses --mint-reward-key entirely along with its pass and Gitea-API dependencies. This also answers why the node takes a preimage and not an address: the runtime does the derivation, which is what proves the payout target is a canonical wormhole address rather than an arbitrary account. An address would give it nothing to verify.
76 lines
2.3 KiB
Desktop File
76 lines
2.3 KiB
Desktop File
# Quantus Planck node, validator role, external-miner mode.
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#
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# Hardened per ~/git/architecture/generic.md §8. Two knobs are deliberately
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# relaxed; both are load-bearing, do not "tidy" them back:
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#
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# MemoryDenyWriteExecute=false
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# Substrate JITs the on-chain wasm runtime through wasmtime and needs W|X
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# pages. With this true the node aborts during block import.
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#
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# Type=simple (not notify)
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# quantus-node does not sd_notify(READY=1). Type=notify would block
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# `systemctl restart` until TimeoutStartSec expires
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# (deployment-gitea-actions.md §6).
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#
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# The reward preimage arrives via EnvironmentFile only because the node exposes
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# no environment-variable form for any flag (`--help` carries no `[env:]`
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# annotations) and the value is per-deployment while this unit is a static
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# asset. It is NOT hidden and does not need to be: the node embeds the preimage
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# verbatim in the PreRuntime digest of every block it authors, so it is public
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# on-chain from your first block onward. Do not add secret-handling around it.
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[Unit]
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Description=Quantus node (Planck, validator, external-miner mode)
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Documentation=https://github.com/Quantus-Network/chain
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After=network-online.target
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Wants=network-online.target
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[Service]
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Type=simple
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User=quantus-node
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Group=quantus-node
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Environment=RUST_LOG=info
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EnvironmentFile=/etc/quantus-node/node.env
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WorkingDirectory=/var/lib/quantus-node
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ExecStart=/usr/local/bin/quantus-node \
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--validator \
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--chain planck \
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--name %H \
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--base-path /var/lib/quantus-node \
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--node-key-file /var/lib/quantus-node/node_key.p2p \
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--rewards-inner-hash ${QUANTUS_INNER_HASH} \
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--miner-listen-port 9833 \
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--port 30333 \
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--prometheus-port 9615 \
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--max-blocks-per-request 64 \
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--sync full
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Restart=always
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RestartSec=10s
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# RocksDB needs time to flush cleanly; a SIGKILL mid-compaction means a slow
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# (or corrupt) recovery on next start.
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TimeoutStopSec=300
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KillSignal=SIGINT
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LimitNOFILE=65536
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NoNewPrivileges=true
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ProtectSystem=strict
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ProtectHome=true
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PrivateTmp=true
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PrivateDevices=true
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ProtectKernelTunables=true
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ProtectKernelModules=true
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ProtectControlGroups=true
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RestrictRealtime=true
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RestrictSUIDSGID=true
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LockPersonality=true
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SystemCallArchitectures=native
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MemoryDenyWriteExecute=false
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ReadWritePaths=/var/lib/quantus-node
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RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
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[Install]
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WantedBy=multi-user.target
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