Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #31901
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
456ms
Block → Canton commit
456ms
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.
0xf8ac03858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f19000000000000000000000000be5852ae682ae425d8d5978a6e5544d097d248d400000000000000000000000000000000000000000000003635c9adc5dea00000831c946ea08737586cd938bf05d84023ec2bdf660137b42f3590ff3cc507cd7cfe059c8b26a06355e60349952d3334d5d79345b74fc5d6fce9b71ebb3209db3caaf8a674cacc