Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #191491
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
818ms
Block → Canton commit
818ms
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.
0xf8ac12858bb2c970088259a29451be323af717fdc9555254a39fe99a0cbce167ed80b84440c10f190000000000000000000000005845bc84be65d71f8129aa4970f5f3c5b8e554ed00000000000000000000000000000000000000000000003635c9adc5dea00000831c946ea00a121cf3a6ef4d41c800f65b4751984b50a04d0c25c9c01f30d3007afef02a8ca006fa52b301e8881ce57d90a353b508c086b5e859ddb14ee0b490bd69fa027008