Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #8157
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
789ms
Block → Canton commit
789ms
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.
0x02f872830e4a2502843b9aca0084b2d05e0083030d4094ef76d72eda51c9ab0451317eee6e1bbbf3416d928084d09de08ac001a049dd27a123544d78dca177fe1592ebf29ae0abce5ecd29513dcb94876c0e49eea06681675ae6d2def8332a2057154f0ad3787427617b6ecd021dc624e716049e82