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Canton Updates/1220ff...f843
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #18,306

This Gateway_FinalizeBlock transaction built EVM block #18,306 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #18,306
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
1.7s

Block planned

Producer plans block #18306 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #18306

1.4s
1.4s

Committed on Canton

Participant commits update 1220ff67e7…fef843
—

Imported to the execution layers

Importer applies block #18306 from GatewayHead

—
0ms
500ms
1.0s
1.5s
1.7s
EVM
Canton
External call
Total
Complete1.4s
1.4s

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
#18,306
Block Hash
0x54a4a0fb...e811d687
Block Timestamp
Nov 3, 2026, 20:24:29 UTC
Transactions
0xd07192f5...3c3bb3f00x3f34...12f3 → 0xfe3a...db13Success
0xd554e1ba...87af90c60x95db...ed4d → 0x51be...67edSuccess
Overview
Update ID
1220ff67e7...02fef843
Offset
59224
Record Time
Nov 3, 2026, 20:24:30 UTC
Command ID
gw-64c9a5594...a83b8b37
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00df011e43...e3d74b22
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00cf608723b41307c688792a0572a503f65d624328cce5fb7ed3968db0e418f4cfca121220ce52094c3552d8d304ac70a6e477c156a78c60c1cea45a93329d8dc451614af0", "block": { "timestamp": { "unpack": "1793737469." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f875830e4a258084a0eebb0084a0eebb1582520894fe3a99a761d9fd2b891231f561ed8fba1dd4db13880d…e38f1e5577e2bcebb74d18a033e5087c520304fc110689af1cef26bf13941bb5f91d84b0a1d66ccaa409542f (120 bytes)", "f8ab80858bb2c970088259a29451be323af717fdc9555254a39fe99a0cbce167ed80b84440c10f1900000000…26104fa28d0ce219aa96d9a05ea0d8838e66db85fb23a44c06bec9b1a9e0584375fbca721f018c548d94d3db (173 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": [] } }
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00cf608723...51614af0
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "dbb86f3dcfa66b2e37be8f083ecd3f77024f8f2c72adfd251a528602a83b8b37", "timestamp": { "unpack": "1793737469." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f875830e4a258084a0eebb0084a0eebb1582520894fe3a99a761d9fd2b891231f561ed8fba1dd4db13880d…e38f1e5577e2bcebb74d18a033e5087c520304fc110689af1cef26bf13941bb5f91d84b0a1d66ccaa409542f (120 bytes)", "f8ab80858bb2c970088259a29451be323af717fdc9555254a39fe99a0cbce167ed80b84440c10f1900000000…26104fa28d0ce219aa96d9a05ea0d8838e66db85fb23a44c06bec9b1a9e0584375fbca721f018c548d94d3db (173 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:00cef69dbb...a0fb8baf
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:0022396a75...ffce1e40
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "54a4a0fbc5c6ef0f275006f666ec7b12810ce6d4ac7ec761e5870c64e811d687", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:004a76bab9...980b8fc5
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "0022396a75dc0f31b9dc10d3e05f4b4dfe94876ae6efe0f7b5f182f9669a5990c3ca1212204f7c909e6ae1e8e44eba278f2f3457150104e6e26a4ac9b26e5702c1ffce1e40", "hash": "54a4a0fbc5c6ef0f275006f666ec7b12810ce6d4ac7ec761e5870c64e811d687", "number": "18306", "timestamp": "1793737469", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a0dbb86f3dcfa66b2e37be8f083ecd3f77024f8f2c72adfd251a528602a83b8b37a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "02f875830e4a258084a0eebb0084a0eebb1582520894fe3a99a761d9fd2b891231f561ed8fba1dd4db13880d…e38f1e5577e2bcebb74d18a033e5087c520304fc110689af1cef26bf13941bb5f91d84b0a1d66ccaa409542f (120 bytes)", "f8ab80858bb2c970088259a29451be323af717fdc9555254a39fe99a0cbce167ed80b84440c10f1900000000…26104fa28d0ce219aa96d9a05ea0d8838e66db85fb23a44c06bec9b1a9e0584375fbca721f018c548d94d3db (173 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00b9076170...f30f3b34
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "004a76bab998981c0e1d2fdd6c74d36feaee7bb5ec6494a1c0893c2d3e5b2b943dca121220d2cfe0b0fa881bb53490d3f42982debe7e81bf81f43e4ac17e7b1521980b8fc5", "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": "11002004249999991708832929.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }