Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #6550
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
989ms
Block → Canton commit
989ms
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.
0x02f879830e4a258211cd85188122883f851881228847825208943744ac8d9e93b0f565e1526f7016f6a6922ce6fb880de0b6b3a764000080c080a0ba9de1f422029fda8b422712733baa845bb7b35fb41bb27ab01a812243a13c14a0715e4ec301fc1ae5cf5535354fad3e85406cf28c6641d42a9e717f51d67fa18a