Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #171390
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
405ms
Block → Canton commit
405ms
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.
0x02f8b3830e4a2507843b9aca0e843b9aca0e8301668194f69585a93397a6f18345818b8f16f241b28cd6d580b84440c10f190000000000000000000000003e6516abf6d826b8b575fcc5853e658a2597949e000000000000000000000000000000000000000000000000000000003e6516abc001a0ade9181d88bedf7818c91258d78ad4615104710cda5d53dd4b9382557e061153a019d6bcc4d41bec3b424148624c7ccf6fbd50bb853b8b607071274ded5c54962d