Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #12140
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
279ms
Block → Canton commit
279ms
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.
0x02f879830e4a2582220c85746a52880085746a528808825208949b15cb8d4680b8f04512fb95adb8300c5846c3f9880de0b6b3a764000080c001a0c44527ccf2c2c74ba54c201cc902900bfe9c82cd39bae382d35c2cb63694d343a05433788d528a901142e6e1b89e2d4d2b1fcbbeedb4b1676b4b2eb112eff3b946