Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #54321
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
375ms
Block → Canton commit
375ms
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.
0xf8ab288459682f0082c140941fd76292a237535bc2f71789660342101662f4b580b844095ea7b300000000000000000000000019c13a5bc3bf093e0ce5386f0f7f8af5f5ae08050000000000000000000000000000000000000000000069e10de76676d0800000831c946da0264ec27b30199d99b7e6b1daa4efa482b5db288f550aa51fc3252a8ef8c7c18ea069297ab33a232c0dea6e7cc342ae59aeb59b14a6663cdba70e3b74f7b13adbab