Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #8721
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
579ms
Block → Canton commit
579ms
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.
0x02f879830e4a258218c0851ee02663fe851ee026640682520894a54d29a7d6b90b9282d9d20911c58d93182b314f880de0b6b3a764000080c001a0e6662ea68cde7b079a0676f6bcef07a9aa288799d49b425b8a6e148e2a12c6fba06cdbf373590524781595afedf583b00f753d16b829b5eb52d386c6ae7d58f0a7