Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #149355
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
454ms
Block → Canton commit
454ms
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.
0x02f8b2830e4a2505843b9aca0e843b9aca0e82cb7294cf227b6b06b9d9c0e55e2448d03d5137990d3a9580b844a9059cbb0000000000000000000000008049b45874dd34aa5059109907c3d8ed4d14f1360000000000000000000000000000000000000000000000008ac7230489e80000c080a0662695913099e46296ffcb845d2d66da3de664aee757284fa936bbcca7c204a7a00a300b5bccf10ac04845861aae44617ef82d395948176b34f84a2c7dbd08e6b7