Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #189478
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
817ms
Block → Canton commit
817ms
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.
0xf8ac158523df4cec8d8259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f1900000000000000000000000076c31771d6cd8032922a026d2d6712d824f6f40d00000000000000000000000000000000000000000000003635c9adc5dea00000831c946da01907d9b0ff970adafd31c3fa30f1a2514a0d4cffb0c4541ab92df5ba46cf6e15a06fc0a78b8fe21cf5e1f29d61a18f078a69577580b262109aad983c68be92d30b