Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #12753
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
339ms
Block → Canton commit
339ms
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.
0x02f879830e4a258223f185746a52880085746a52880882520894baf490f76c15d2647e04b5b08110d919d3e71d06880de0b6b3a764000080c080a0fcbab32f8d6ccbdf4e5ba925dea74c22fb88f3f0abf371e144fa55a0717d0013a01b8566677bec8baaf4c83609c816a68d42b9ebc574cb7d6e92d78d1e1d02ee7e