Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #21064
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
279ms
Block → Canton commit
279ms
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.
0x02f875830e4a258201c8843b9aca00843b9aca15827e2c942c160bb6f1d0ca642fd35321190c9aefdfb5ccc1865af3107a400080c080a0a0dbb9fd557b295318774a7c0d7f76684d5ec7d94ce83e8946eae2efc22454b1a03f484ecfa2115ff958e54dc0ace5e774736aa3b77c667f7a26d36720c3dda520