Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #8458
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
699ms
Block → Canton commit
699ms
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.
0x02f879830e4a258217e1851d67c309e6851d67c309ee82520894eaa60057a7537d1a92a04dd681259fb007fafde5880de0b6b3a764000080c001a0f9d285a47102c9e3c9751bbf63f2f23b55e19032c1e3ddb6f2c064854372f4e5a04879df9770f667d07888d7598f6e63a396cb3f6cfe5f1d74fd67c1832f8ca541