Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #138889
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
644ms
Block → Canton commit
644ms
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.
0xf8ae8251668405f5e1008301d4c0940af70fb293003422fb174e4ad03787337903128b80b844a9059cbb000000000000000000000000d154905965c8b18e97fd22d780d7fd0a564d4b9c00000000000000000000000000000000000000000000000340aad21b3b700000831c946ea0649bdb7a53ff1c208b282ae313cb18e71dfa353a13e94f32c7c6f9d2b82ae91aa0324ee566bc1e7d6b03973e205c0b9a477f2bd3a0b13400947e4d42510c089c62