Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #17977
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
799ms
Block → Canton commit
799ms
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.
0xf8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f190000000000000000000000008d10128ec6bc641e8852a708c037ca9fdf5f85d700000000000000000000000000000000000000000000003635c9adc5dea00000831c946ea01039e729dd1368ed6a7c708b5a640f64e762b4148849b89ea3132eaaf3c229c2a0242b3ffb59131297635380ea849f67a80d5ab7f6749f62fdcadbc5a11f9f2b0b