Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #271
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
479ms
Block → Canton commit
479ms
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.
0xf88b068465f1b51c830178c194cc5d8d45355b4e9f6de846f53dd96f4a70a053e580a46a627842000000000000000000000000b36d71c331b587821afcae998a29ff70aa6a37d2831c946ea05fe680339d57941171fdfe58094973f4bda5da3897896672b6425f83e36fd982a07ad90c05ad10d92683da3193b299fbb7b7d88f4128f4053c062a7ff0e81a2f35