Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #158309
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
376ms
Block → Canton commit
376ms
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.
0xf86c0584145fd07282520894fd7c5c8feda660b336cea19f9f429bf2c7084601865af3107a400080831c946ea0262a44d03c165ab82b5a2884fe3502cca4e2a8571bed9d1f0a8a1348fabdf5c5a00e39d94fd2aab18abe85f231d3cd47d6e8cc0ed1ca4bb1687f0f0657c87f2dff