Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #8154
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
778ms
Block → Canton commit
778ms
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.
0x02f879830e4a258216d9851d67c309e6851d67c309ee8252089465662e0f534e1a423b2b7ad67560719c66e312b8880de0b6b3a764000080c001a0c12ba37140ddb9fdee381dda83b51d829920d1320db57341932e60eeae2bc5eaa05c850b3cdaa0ee8ba33374d5f16f70aecf9555fdff9fb741d8b551f2c1b36fea