Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #404
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
690ms
Block → Canton commit
690ms
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.
0xf88b0684a60e6a54830178c19413c901534725b9fa0c7adb636192b77e02aac4ed80a46a627842000000000000000000000000c417f00ba3859f2c7a9d9ebbe8d606fed86bf188831c946da092b58856adac8fef1ec4e25aef4539adf9f11de5e953863efe2e6505137a6300a04586cb6b101fb85fbe95f2466371821e6cf254f85f9560df02c83eaa2058aa53