Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #75159
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
445ms
Block → Canton commit
445ms
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.
0xf871821015858bb2c9700882520894dc99c1aa3abcfe7d8d6f3fc843a6f6f0d94b8b6d88016345785d8a000080831c946da05cf37b974ba3c3c2f78219ad8c24289e19ab6ffee4f4474acd7979c258093a7da03d04e90df3b0137e2f922493baa6ef14f4ea8e9e69bdf4a57677fdce5eb27f0e