Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #199975
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
676ms
Block → Canton commit
676ms
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.
0x02f8b1830e4a2505843b9aca0e843b9aca0e82cb669404f16b32969f2c49bcc9717211b6bf0b2634ffb480b844a9059cbb000000000000000000000000e8f135a237ce49560c2ef7e59c91aaee00a68d1c0000000000000000000000000000000000000000000000008ac7230489e80000c001a0c65460008769131176e27ba07c56a7096745363ccbf4ecba6f98344de53524ab9faecd27703dc97c6d231dbaf637202b7ea2c13d793a7ae73db92a60d6fdbd50