Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #154939
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
294ms
Block → Canton commit
294ms
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.
0xf8ab4d8459682f00827e90947dda7beccaeef1b543c00824ae39fea14b2dcf8280b844a9059cbb0000000000000000000000009b8dbf647ed8ca0a4474b3a3c0da0455f264b42f00000000000000000000000000000000000000000000021e19e0c9bab2400000831c946ea0b139d5a55911b75a0b63ff5cc7d4530223b845be6cd072cf33fa3ffd085f7cd1a06fac634866346aab7401142faf623feefd2d225ac6ebf5ed3df08dc72e9d538b