Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #15778
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
979ms
Block → Canton commit
979ms
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.
0xf8ac0b850ba621fc7082c140946d0ada9e9c6af0a5ab4628f098e08b501244558980b844095ea7b3000000000000000000000000034eef59719eda01f1db10dbcc0a1f5272970da80000000000000000000000000000000000000000000069e10de76676d0800000831c946da0392ae729ecc35cec4cf0bb17639f8954ebb101885bdb77fb52aeac6de358b319a06e154556fb55f5107522c3038d6a032c468d908db1bef0afe1ba2726415682d6