Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #156751
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
305ms
Block → Canton commit
305ms
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.
0xf8890b83124f888254ac947919e636cc2a6edbbb60c3d696509f90f5505a5b80a4552410770000000000000000000000000000000000000000000000000000000000000001831c946da0fbcd8ac08d222bebde965bb94f22b1a6bb65c8ab8c26647f9dd33ae30378f022a03271912f17f749fc8847765f02a121c66aeffeb156f8bdf7aabb849e1bdc9fb5