Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #12921
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
929ms
Block → Canton commit
929ms
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.
0x02f879830e4a2582248e85746a52880085746a52880882520894fa8dd6a9971bb682e2c4599cf786f7eae18f1f36880de0b6b3a764000080c001a02f6d9c16c06e5e2ff7523b931848ce963b6b802bf5a0d5095e8cc24e1d7ef46ca06ffbe100b299b0525314ab00b21f98f08b92f2916963c4811ade40800365efbe