Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #178634
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
275ms
Block → Canton commit
275ms
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.
0xf8aa0d83a3426f8259a294b492fe8d264c824de4aa16cbc58b444a0994ca1b80b84440c10f190000000000000000000000003deda24b6b97a37903c7aa5f450252830480b09a00000000000000000000000000000000000000000000003635c9adc5dea00000831c946ea09f4784b3507225a6d2656b9464e93e673071cef32fc44097c562c099016dca5ca01187a4c348f00ef0dfe9c4db9109160e56429ff855c5f772a1eb941b7fa0a9b3