Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #170509
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
425ms
Block → Canton commit
425ms
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.
0xf8ac0a851ffbec4ce08259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f19000000000000000000000000899bea28ce504353add477eaa64302419c93fe3d00000000000000000000000000000000000000000000003635c9adc5dea00000831c946da016cbd1736c16dd019455518878b2e44a8169ba32971ea4279442e53910b607dca06284ff74506d1b59088d502349b8db6be9687835a9f0e4deb531e18ca2cf36b2