Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #154893
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
454ms
Block → Canton commit
454ms
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.
0xf8ac03850103df80f98286d694beede27adc78c973ff5d41a475c07cb8601074d280b84440c10f19000000000000000000000000dc27a6441de6821c74b708935821826d66b801e300000000000000000000000000000000000000000000003635c9adc5dea00000831c946ea0400aed2291e01699c0c96fca9d7281c1941de23de650c43ece7a3352598aefcba04e86fa2ea052860bd9bc93cfe543ea48ea0841c5424074db78c3e44f07919dc7