Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #18578
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
410ms
Block → Canton commit
410ms
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.
0xf8ac80858bb2c970088259a29451be323af717fdc9555254a39fe99a0cbce167ed80b84440c10f19000000000000000000000000bf4e50748a190eb34e51dfcb35cafb6b04615a3200000000000000000000000000000000000000000000003635c9adc5dea00000831c946da006a4d57efd95009d8d867dbcd58701acdb0563708d14fcd81e2108b77667e793a008a790b2e69fb91beac7384b2c5777454cb5b06239a957706cc0031005ae4345