Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #16620
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
749ms
Block → Canton commit
749ms
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.
0xf88c0f857a3c704207830178c1947f39200098e1b5d8498e013f52da81354311366b80a46a627842000000000000000000000000a093a655bdff34f72f3d52fc28e3be9ed43531a4831c946ea060008fa62400666ead226685cab12b769daa99c0adc5eae656b8f56e9bdd052aa071623e447ac24efc2c2d51d008b8b24bb0c502a5d199042f2dffc1fa5a3a6dc3