Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #150331
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
734ms
Block → Canton commit
734ms
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.
0x02f875830e4a2581d2843b9aca0e843b9aca0e82520894db0cbb5f5cb13e37d69271c0cdce2a2509e00fd2870e35fa931a000080c001a06cbfdb2b33f3e5a982032c716f6b318b3ed41f6a8785fd966374f81468c2fb41a027f321a7c92fff37df66b804e7ad8550f19988e83bc449a91f11b1e398b93302