Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #178478
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
526ms
Block → Canton commit
526ms
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.
0xf88b03850cd4d4719b8283ea944f4b10c69d691921a95c8357804d31b9ba4621fb80a43fb5c1cb000000000000000000000000000000000000000000000000000000000000137a831c946ea0a248fc9e8e4085b5ac1511acf1c309d5f5084f04eed8f90f0a3ed00d144b0b0ba05f560fc0cc9de6fefd2644585c2dbc5d55e0f528966659c852ab563cf63ac941