Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #18149
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
159ms
Block → Canton commit
159ms
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.
0xf871820149858bb2c9700882520894fef1b27305e0e17c1a678b0a7da72a26f3257026880de0b6b3a764000080831c946ea0aa0490c3d1d3c2bd264608ca1f594b310ce79b34da2283eed28297f192aaaa77a068ec29c7bd9d165d510ec3e7099faefc0e718f3fe1817b1cbb86541b32eb1e01