Validator.
8 stories
Disk watermarks and block sealing: why a full disk stops xOne
Why a low disk stops block sealing in xOne on XDC: one gate for import and producer, the NoSpace second line, and what the four clients do at the exit line.
XDC validator key custody and seat rotation with xOne
Where an xOne validator key lives, what the node never does with it, and the exact steps to rotate or hand off an XDC seat, one signer at a time, on net2040.
How to run an XDC validator on net2040 with xOne
How to run an XDC validator on net2040 with xOne: follow the network, import a signer key, pass the mint gate, start the producer, and hand off the seat safely.
The xOne safety record: what an XDC signer writes before it votes
What the xOneRS signer safety record holds, where it lives, the write-ahead order before every signature, why it is never lowered, and how a restore keeps it.
Setting up an XDC validator key with xone-signer-setup.sh
How ops/xone-signer-setup.sh in xOneRS checks a keystore against its address, imports it only with --apply, runs a roles report and prints a commented line.
How to upgrade or roll back an xOne node safely
Upgrade or roll back an xOneRS node on XDC: check the binary, upgrade followers first, back up the datadir, and never lower or restore the signer safety record.
XDC validator daily checklist: what to watch with xOne
A daily checklist for an XDC validator running xOne: Grafana panels, alert rules, producer log lines, seat watch, ethstats, disk lines and the version stamp.
The XDC gas limit rule in xOne: xdcGasLimit and --miner.gaslimit
How an xOneRS producer sets the gas limit of a new XDC block: three rows around DynamicGasLimitBlock, the 1/1024 step, the mainnet plateau and the ceiling.
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