Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #219688
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
440ms
Block → Canton commit
440ms
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.
0x02f8b3830e4a2503843b9aca0e843b9aca0e830166819460eca19ef42356d7bf5d7aff1238a3397111f3ac80b84440c10f19000000000000000000000000d30cec25e0d0177c27ce30c6ae72c0bf943e9aa8000000000000000000000000000000000000000000000000000000001e276e51c001a0cc8ed70ef9b73f846d5c7c796f51827a6e8218104c1b62ae9e273fe4cd3c8d2fa05929cb5cbdb257ac0c39591cf2fa775eec3a90042765ed4fcaabcf966c60103e