Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #54845
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
606ms
Block → Canton commit
606ms
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.
0xf871821adb858bb2c9700882520894b631e14f34b8a4debc1bf2a43850b47dd8fd4a9788016345785d8a000080831c946ea083959f60cc76b73ebeb9890582e15c0abae24f9d3b834bacd638712a5ba69f37a03201b4be9f8619fc3caf4e158d592337ecdadef645f5b75f6401d0d0ec1fe3e9