Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #1345
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
449ms
Block → Canton commit
449ms
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.
0x02f879830e4a258202bb850271d94900850271d9490882520894e28a07891959688130cd9293b9907e6d5a27824d880de0b6b3a764000080c001a089fa42f86424c815fcc47bf96a171d199a19a5fce92f746e835e74db00ee0bd7a03b68170ddfb6f6c029c2dd4037b7f59431abc96aaf5ab288b0befe2cfcc9a1f8