Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #28991
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
636ms
Block → Canton commit
636ms
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.
0xf8718202cc858bb2c9700882520894cc846d07c27e4a1f77c229994ecc7b1e8b79216b88016345785d8a000080831c946ea0d498c29fc8b767e512a207b0e73c03bc58ea9a597dcf39c7d04ad57c89a32965a02dc1f072965eb15936095e5d87b50669f861812a6cfa602836a7a6770ae9fff7