Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #199014
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
357ms
Block → Canton commit
357ms
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.
0x02f8b3830e4a2507843b9aca0e843b9aca0e830166819467185e0aa17b8b4860d63657d3e17ad7e012f41880b84440c10f19000000000000000000000000421cdea5495ee3b6fe75f50e836cebf4b3824eb200000000000000000000000000000000000000000000000000000000421cdea5c080a006a3ac708e671a1dd3d32d55b71bbb142573ca7b8539ac7bacd5dc0dfd931a0da043e806156d34bba07e8d9e718c121c612efeabd08b322255cf7f36d24b51706b