Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #6518
Measured from on-chain timestamps only: the EVM block timestamp, which the producer chose when it planned the block (whole seconds), and the record time (commit) of the Gateway_FinalizeBlock transaction; a commit that reads slightly before the block timestamp (rounding) shows as 0. The gateway-build-block external call runs inside that transaction and is not timed on its own; the import into the execution layers follows the commit and its time is not observable here, so those steps are markers without a duration.
Total
669ms
Block → Canton commit
669ms
block timestamp → record time (±1s)
Measured from on-chain timestamps: the EVM block timestamp, chosen when the producer planned the block, and the record time (commit) of the Gateway_FinalizeBlock transaction. The block timestamp is whole seconds and follows Canton's ledger time, so the span carries up to ±1s of rounding; a commit that reads slightly before the block timestamp shows as 0.
0x02f879830e4a258211af85188122883f85188122884782520894fef2ff5319e4e39ad3c929f30376ac03db86760c880de0b6b3a764000080c001a0d66bd8ef4a2f6461d1a499fe02f2031136817f1898c2bcc83ea16ed52b05ee3aa031058afeaad48f7b70a9ee9bb7c89f6deb56182b77fa38bff748242d2eaebd3f