Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #187639
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
507ms
Block → Canton commit
507ms
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.
0xf8ac188501338c003e8259a2940db987998cdceb19be8b3dd513f173fb1c32fe8980b84440c10f190000000000000000000000009ad833f6cd281f03c1f841ba3c5d3613a4a1247f00000000000000000000000000000000000000000000003635c9adc5dea00000831c946ea0a989eff3cb739daa9add64e837581d05dddcfc743537cb58e16b2f5e5d1da106a04b4bbc5346e36eac282fd3d5f4a9c7121e34c5844e2f9d0a4ebc78720b02d7ee