Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #153778
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
494ms
Block → Canton commit
494ms
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.
0x02f8b3830e4a2507843b9aca0e843b9aca0e83016681940bd833feb4476d37fad7609008b2abe767a0380880b84440c10f1900000000000000000000000022d18d98e3ac6b43ca05d18d86a2116aa53924510000000000000000000000000000000000000000000000000000000022d18d98c080a059eaa9caefdd61427d585ea615c40a19ff78397c225b87a86c0f6dc012299c7da0402c66c50a17a980b24a82a155569e6e5777d74f94ceb8a01de393367225f97d