Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #220509
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
248ms
Block → Canton commit
248ms
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.
0x02f891830e4a2501843b9aca0e843b9aca0e826f00945a24e43282879aac4631e3a61f1059b51c5a72cc80a41003e2d2000000000000000000000000000000000000000000000000000000000000001bc080a0012a6b8e93e4162bd6ff058513aa0f71235697e8c65f3a5c97dffdc519ed896ca00c17ce4f9ff2b37ddba537d74c492c1f9ec7670b0cf95793bb53f0db73d81141