Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #7877
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
689ms
Block → Canton commit
689ms
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.
0x02f879830e4a258215f185188122883f85188122884782520894ccf4e132fddb7d9b69b056e3ad12a68d49e89770880de0b6b3a764000080c001a0094988a50619aa9ba01d789dd729b7ca48cf6868d0349f88a8bef8f13fb85132a018961924d07a0d1be5f2ecde5abb1e7c7890d3c4c4e1c061a64dd127c6d7f57a