Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #219916
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
467ms
Block → Canton commit
467ms
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.
0x02f8b3830e4a2504843b9aca0e843b9aca0e83016681948ae7dd22d3b3d85fff7d81b00189480a38e1c7c080b84440c10f19000000000000000000000000305044966e17ce723e66016a4b2520f0fb67d301000000000000000000000000000000000000000000000000000000000e7cb1dbc001a0ba19c6b4994b14119634604a244c8135f74d9fde6790c39c4ade5eba188f0dcca02554803eb00dcc89a95eb9c9c862a2d9bb04e67c48e02eb99fd0170b562114cb