Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #54121
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
887ms
Block → Canton commit
887ms
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.
0xf88b308459682f00830178c194b43ce1726bfb47c7bd833de8f694c648f302cd2f80a46a62784200000000000000000000000097538fe12f7159905a710d4ca4a9a405b40ac235831c946da0b0f7909c0d5aba717cb9daa287ae2a9269961d4aa9d8ccfc79c408b9901bc61fa07ab2f5285c90de474e56dd267a602f7d8f23a385c518857e15033f99e76ff8a5