Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #148500
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
385ms
Block → Canton commit
385ms
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.
0x02f875830e4a258180843b9aca0e843b9aca0e8252089483eb4628126f9b4bb27bcec36d9ec4f1c327d41a870e35fa931a000080c001a07d5151402a9bc262c61758e7ff2fd9da1e6db3a38121035b8160ff2125773edfa037f4127ae117b5651fb19d4bc8ebe85ae6736ed9ce9695d13691f0353c87edd8