Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #123981
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
434ms
Block → Canton commit
434ms
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.
0x02f8b3830e4a2507843b9aca0e843b9aca0e8301668194aa942f1173420210909afeab04ae65aacf1e3e8280b84440c10f190000000000000000000000007843988480a7a3cd9d49e8b6c87a7fb1b38bc2c20000000000000000000000000000000000000000000000000000000078439884c080a020cf8e14ba56bb3dff036ef55670737983e78bcd46fca32539d94ecfadd45d51a01531347c1b2917639ea898aec4d7caf964ea39720ad7f35fb42d7c5d39e38fda