Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #18490
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
381ms
Block → Canton commit
381ms
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.
0xf87182019a858bb2c9700882520894e9731bf1ef9dde037f1710cfc10c09aa70886427880de0b6b3a764000080831c946da040334c51a791fb837b98bb0c94606599dc0cc3ecaaa99cf33ea3e20328bfc45ca0297de7f3339b2cbc4f8e25f40287a6a21ce54b15ff2b423331b6b1cface19062