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Canton Updates/122027...fb8b
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #16,621

This Gateway_FinalizeBlock transaction built EVM block #16,621 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #16,621
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.2s

Block planned

Producer plans block #16621 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #16621

989ms
989ms

Committed on Canton

Participant commits update 12202765b1…43fb8b
—

Imported to the execution layers

Importer applies block #16621 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.2s
EVM
Canton
External call
Total
Complete989ms
989ms

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.

Settled EVM Block
Block
#16,621
Block Hash
0xcffa9752...c01f7b7b
Block Timestamp
Nov 3, 2026, 18:52:22 UTC
Transactions
0x495302c5...e264fbb00xa093...31a4 → 0x6e1a...c767Success
0x7dd32715...f64306990x27ab...4986 → 0x27ab...4986Success
Overview
Update ID
12202765b1...de43fb8b
Offset
53986
Record Time
Nov 3, 2026, 18:52:22 UTC
Command ID
gw-64c9a5594...9e67c808
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:008ad1b1c2...989b0167
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "0018903298dab5b7dd133321445f5626ccc8abf6798d7f241b59545fde1e68baf3ca121220e77bdb60057f36f65c89954dbee8f13d91b0b56be1fe04247ab66b88235525aa", "block": { "timestamp": { "unpack": "1793731942." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f871830e4a258203af8502540be40085028fa6ae008252089427ab051371054dcbb4c0aee315d9507b77c0…bdce2d957ed5fdd4f29433a046f1dd0113a75672b92cc785541a3198df8025bcf10c954a07b784b730fc7de9 (116 bytes)", "f89110857a3c7042078266ee946e1aedab10b146bed2f0b2db8117647d420cc767865af3107a4000a4758c30…f77fb2ed851b636fa7ee3ca0042985bc8768bceb4e6321ad04e9193f11d6de81b7f1291a300eed241f26d1da (147 bytes)", "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…60cf410996e96a44edb2bfa00cd1ea01d420ed48f1a8b41d648658220ea05f3316a8cf5b693384c43c81e715 (112 bytes)" ], "epilogue": [], "indexing": [], "rotation": null, "refunds": [] }, "nativePlan": { "credits": [], "collections": [], "settlement": { "tag": "ZthSettlement", "value": {} } }, "tokenPlan": { "routes": [], "wrapperRegistrations": [], "originalRegistrations": [], "metadataUpdates": [], "mints": [], "releases": [], "wrapperCollections": [], "backingInputs": [], "custodyMerges": [], "originalCollections": [], "consolidations": [], "consolidationAccepts": [], "consolidationWithdrawals": [] } }
0x5588e53d...d42cb7620xa618...7942 → 0x235d...3c8cSuccess
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0018903298...235525aa
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "b9edd0f53bd01c92ccf0c08625019ebe37be0db67e8a744950bd5b4c9e67c808", "timestamp": { "unpack": "1793731942." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f871830e4a258203af8502540be40085028fa6ae008252089427ab051371054dcbb4c0aee315d9507b77c0…bdce2d957ed5fdd4f29433a046f1dd0113a75672b92cc785541a3198df8025bcf10c954a07b784b730fc7de9 (116 bytes)", "f89110857a3c7042078266ee946e1aedab10b146bed2f0b2db8117647d420cc767865af3107a4000a4758c30…f77fb2ed851b636fa7ee3ca0042985bc8768bceb4e6321ad04e9193f11d6de81b7f1291a300eed241f26d1da (147 bytes)", "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…60cf410996e96a44edb2bfa00cd1ea01d420ed48f1a8b41d648658220ea05f3316a8cf5b693384c43c81e715 (112 bytes)" ], "epilogue": [], "withdrawals": [], "logFilter": { "addresses": [ "00000000000000000000000000000000000a7e00", "50d0eea5a51b1d262b295f9978ed2e2e02a5a5a3", "f52aba48533156e0180d6f8e6d9a474fa06a90cf" ], "topics0": [] }, "inboxScan": { "gateway": "00000000000000000000000000000000000a7e00", "inboxInitCodeHash": "704985d1ae018e94b3983882895f10ada607c5793c727fdacc1e48b35d65e92c", "runtimeTemplateHash": "f5300aee21aca6c1c1489b43d775454f1392a77df3058f0b2a82e065edbdf345", "immutables": [ { "offset": "278", "size": "32" }, { "offset": "373", "size": "32" }, { "offset": "651", "size": "32" }, { "offset": "758", "size": "32" }, { "offset": "120", "size": "32" } ], "saltOffset": "120", "nativeTopics": [ "8d6cc7bec951dd15d11af1a0ac06bbb8d190c277b0d7ce020da1ffc89b8655e2" ], "tokens": [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "a4923804940ba9accefe23402ef1f793bf9cd473", "d238579f5a5c184fe423d68dcf245c2e86ca60e9" ] } } }
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:000a0b299f...fdabba12
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00e2440b8d...8b62e82e
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "cffa9752b6694594c9da123993239e57c4108cf89bade888bf5d8f6cc01f7b7b", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00a94f43a2...5745f09d
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00e2440b8dd84fde60679a48be860b79898bf1b191f13e86179644a9a39e2f112fca121220857826a1dfc8a1dfe74d80a93c6e9303615c2b5ce57fb7fad7c25e6d8b62e82e", "hash": "cffa9752b6694594c9da123993239e57c4108cf89bade888bf5d8f6cc01f7b7b", "number": "16621", "timestamp": "1793731942", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a0b9edd0f53bd01c92ccf0c08625019ebe37be0db67e8a744950bd5b4c9e67c808a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "02f871830e4a258203af8502540be40085028fa6ae008252089427ab051371054dcbb4c0aee315d9507b77c0…bdce2d957ed5fdd4f29433a046f1dd0113a75672b92cc785541a3198df8025bcf10c954a07b784b730fc7de9 (116 bytes)", "f89110857a3c7042078266ee946e1aedab10b146bed2f0b2db8117647d420cc767865af3107a4000a4758c30…f77fb2ed851b636fa7ee3ca0042985bc8768bceb4e6321ad04e9193f11d6de81b7f1291a300eed241f26d1da (147 bytes)", "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…60cf410996e96a44edb2bfa00cd1ea01d420ed48f1a8b41d648658220ea05f3316a8cf5b693384c43c81e715 (112 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00d0cc2584...7e6f3448
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00a94f43a23ba4d1147e4bbd49e9d5b578633a6a1d6767700d9c07970cda0e8d6eca12122062260b95a05f49a5f1105067da5ddc7da24ddd5fbb7638822d5fad685745f09d", "operator": "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", "params": { "capacity": { "native": { "laneGas": "5760000", "laneEntries": "64", "withdrawals": "512", "collections": "64", "scanTokens": "0" }, "token": { "laneGas": "8000000", "laneEntries": "64", "withdrawals": "0", "collections": "32", "scanTokens": "1024" }, "indexing": { "laneGas": "1880000", "laneEntries": "4", "withdrawals": "0", "collections": "0", "scanTokens": "0" } }, "laneMaxFeePerGas": "1000000000000.", "deployInboxGasBound": "470000", "rotateLaneGasBound": "40000", "rotateRecoveryGasBound": "40000", "native": { "tag": "ZthNative", "value": { "wzthInstrument": { "admin": "r-635d45b53c561ec7a462ab7a0511468ae5df3443eb2add2b161255bb95b612ad::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "id": "erc20:50d0eea5a51b1d262b295f9978ed2e2e02a5a5a3" }, "wzthRegistrar": "r-635d45b53c561ec7a462ab7a0511468ae5df3443eb2add2b161255bb95b612ad::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "genesisSupplyWei": "11002000000000000000000000." } }, "nativeGasBounds": { "collectNative": "90000" }, "tokenGasBounds": { "registerWrapper": "830000", "setWrapperMetadata": "100000", "registerOriginal": "340000", "mint": "110000", "release": "100000", "collectWrapper": "90000", "collectOriginal": "120000" } }, "keys": { "lane": "24075d3562802b90a3aaa567f1bb8ec1fbab83bf", "recovery": "61295be4a97cb7861dfdbede9c8b34d27030897e" }, "nativeState": { "tag": "ZthNativeState", "value": { "evmSupplyWei": "11002004249999992337607537.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }