Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #137977
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
664ms
Block → Canton commit
664ms
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.
0xf8ae824e5d8405f5e1008301d4c0940af70fb293003422fb174e4ad03787337903128b80b844a9059cbb000000000000000000000000c9ef0ab9ae608ffca54b598b0ff9742018ad65d300000000000000000000000000000000000000000000000340aad21b3b700000831c946ea003bde293a9ee2ac2ee3bfb4fb79b37fb9ea38a74f735f8b294ad86b402b38dfba064e8d32bf8826d1eb58b834e3e20684537d57a65007d100762559796d0d79ab5