Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #219877
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
630ms
Block → Canton commit
630ms
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.
0xf8ac1085021609327e8259a294e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f19000000000000000000000000b01fe67ed8ae10a91e835c3a09198d6cd4d97dfe00000000000000000000000000000000000000000000003635c9adc5dea00000831c946da0418bb5ab8e83f86732c83596fc903836e549b521478454f6bb32ae4af851ab93a01cd5b2d471f44e00b926bbbbbf02ae238f0efd917df0e38ca067727661cc2589