Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #12151
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
909ms
Block → Canton commit
909ms
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.
0x02f879830e4a2582221285746a52880085746a52880882520894e26db018ee21254f9bdce9e8264edb93f56ddb78880de0b6b3a764000080c080a0f8cee6b6b8cede1a4a03250929a3f38ead174ef9d335bb0ae7b9b262171d6417a02648ec24fc467963f2d358caa37c104e0c6477737fb53e8c5ad0d9f372803f1a