Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #353
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
239ms
Block → Canton commit
239ms
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.
0x02f875830e4a253f84889d6c8084889d6c888252089445c050a57339ef102fb051be7183fd598b17554c880de0b6b3a764000080c001a04b9d208017298aa421a0b109aec83b674754cd0d481efb7240aa1d50265bfc21a04328417c899f833b35609821bb30d48ecfe3d4f3dc0b30570c8eb634d0a4d9b7