Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #121817
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
615ms
Block → Canton commit
615ms
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.
0x02f872830e4a250c843b9aca0e843b9aca0e83012e1994af081bc10317e06b4f3874070ecea5dba7984cec80844e71d92dc001a04f1a4f69a7b825ba9b4cee6738dc48d4a52f0015eafc5ffc884781a54ba9f11aa0266088ce65da616e319ff16a6cfbf9ce4e9eeedda34daa51d62f436bb6519082