Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #199440
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
838ms
Block → Canton commit
838ms
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.
0x02f8b3830e4a2507843b9aca0e843b9aca0e8301668194148c2ea956787de5ecc2861903f199743e08fdcd80b84440c10f190000000000000000000000001ab2caf740d49184227bbe774f3ec55af7150d46000000000000000000000000000000000000000000000000000000001ab2caf7c001a0da00ce8135094924c4e8ccdfe729a530d83faa7f5b5afec4e80efa0fbc8b0076a074f6ce4caa3b29a556774a5b9a0dcd38ac98f9aa6e8bd7e5321d31d190a2da4c