Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #1551
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
739ms
Block → Canton commit
739ms
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.
0x02f879830e4a258203518502b1ff8e908502b1ff8e988252089476a80c8b5a4cebc27d9da19b51b0fd3db8ddaa75880de0b6b3a764000080c001a0af7c512bbbdd32c7e13cabe086300af106988c92cd8cd918b8fb711ef4e67164a04f8cd1b8feeee2a65751d9474f09c1653648eb190b408f6ff6602734b44b789f