Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #45194
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
656ms
Block → Canton commit
656ms
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.
0x02f891830e4a2555843b9aca00847735940082fa6c94925e8d5ec0b8c417bcadbeae4d7e7f22376003fc80a4472d35b9000000000000000000000000b99c6da42a052ade8dfde797f1134387d1c7e20ec080a0eea5989545096aad406aa34f96cf8ed51193676a1372af06c8527be538c3d8aba02de78b78974e5dc1355d589bccae8a5b5017993ad6165a66a77707eea101b649