Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #179821
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
137ms
Block → Canton commit
137ms
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.
0xf86d05850f0456000082520894fd7c5c8feda660b336cea19f9f429bf2c7084601865af3107a400080831c946da0ee5e569a951f244ec7a17f0e75f4fee9efea9c3970fe3974dc4c942ee835f6f9a00c7b2fb1d36203c79a5c24e41825bd3022cbe9514a0fb0bb12c805d4dcb5547c