Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #156301
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
394ms
Block → Canton commit
394ms
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.
0x02f870830e4a2581c885016fb627a985016fb627b3827b0c94522c0d3124da7bd228ab5af7026b7b32ede9d70c8080c080a0308e62a7dfb5d0f14eba0e2a29e5eae96a8d6954f5aa161741ba816249ecb676a058fc985b40f76613db6e17f9b21a802035b11fad0dc4a812bce4a9610e1b18b2