Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #5309
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
990ms
Block → Canton commit
990ms
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.
0x02f8f4830e4a250d85188122883f85188122884d827e8894a66479c33c21f7659e252effd24362265be7978180b8841438ea82000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000245a656e697468206e6f74652036303438656563663935396320c2b7206d767a703378626d00000000000000000000000000000000000000000000000000000000c001a08217645fb6e9aa5034a2ea99cd5e9dcd4bc13d71c2cab07c3ecbd028e11c38f7a03c2b2a86f142c87e943e272785ac191eab560f2c1c3a70b1e3d7d231d5cb4d7d