Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #148188
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
644ms
Block → Canton commit
644ms
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.
0xf8ac07850a02e400168286d694beede27adc78c973ff5d41a475c07cb8601074d280b84440c10f190000000000000000000000008c3652528f1c4d2678096302e353f467605c1a0800000000000000000000000000000000000000000000003635c9adc5dea00000831c946da0f5b1e80e8a56861dd8ecd55e970a857739b2c3da7fce999a95ae651d1824b504a05fa8d993adb10c7b6ac71a09e46021461a1fe5b3259f4243565375ddea37b569