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Canton Updates/1220b6...b3c7
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #215,821

This Gateway_FinalizeBlock transaction built EVM block #215,821 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #215,821
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
548ms

Block planned

Producer plans block #215821 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #215821

438ms
438ms

Committed on Canton

Participant commits update 1220b69f60…04b3c7
—

Imported to the execution layers

Importer applies block #215821 from GatewayHead

—
0ms
250ms
500ms
548ms
EVM
Canton
External call
Total
Complete438ms
438ms

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
#215,821
Block Hash
0xa427fc4f...363c4dd1
Block Timestamp
Nov 15, 2026, 15:45:28 UTC
Transactions
0x184455c1...6ba14d930x0099...f8b9 → contract creationSuccess
0xe2b88ea9...68d6f82c0x2ef4...a85c → 0xa276...16d2Success
Overview
Update ID
1220b69f60...7604b3c7
Offset
669017
Record Time
Nov 15, 2026, 15:45:28 UTC
Command ID
gw-64c9a5594...f6049ad6
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:006f8bf1f9...912f02f2
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00f1545b2683a98a0b44f95b7293f7946f2bfa3d042315114260de8498a80d81d1ca121220d366ae963738727c387cbf270d629c3043ca6d2e920a49f03617b5bf7c40c048", "block": { "timestamp": { "unpack": "1794757528." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f90abc830e4a2502843b9aca0e843b9aca0e83080c638080b90a60608060405234801561000f575f5ffd5b…2df931512fbb20db4278a5a07b5466bb15152f78e51d44a64a5fb23f31065a2fc0bac94e851f161393b6e012 (2,752 bytes)", "f8ac19850a6dad800082598394e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f1900000000…7b392482b1d38420ce3749a02e1b84763cd239f8779056658ab9c6145bae0400d7840bb5d2b77300d9100805 (174 bytes)", "f88b1c850a6dad80008254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…722422c9cd8b895d99883aa06eed6854776f84cc767166eec21ca797f5084593b94590fbecd56f9299052366 (141 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": [] } }
0x5f5dded3...f049c12c0x2e5b...0749 → 0xe0a4...1b87Success
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00f1545b26...7c40c048
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "4a76cb904a9100b0012cb96806b800774c3474a719c6169f6bc7ccd1f6049ad6", "timestamp": { "unpack": "1794757528." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f90abc830e4a2502843b9aca0e843b9aca0e83080c638080b90a60608060405234801561000f575f5ffd5b…2df931512fbb20db4278a5a07b5466bb15152f78e51d44a64a5fb23f31065a2fc0bac94e851f161393b6e012 (2,752 bytes)", "f8ac19850a6dad800082598394e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f1900000000…7b392482b1d38420ce3749a02e1b84763cd239f8779056658ab9c6145bae0400d7840bb5d2b77300d9100805 (174 bytes)", "f88b1c850a6dad80008254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…722422c9cd8b895d99883aa06eed6854776f84cc767166eec21ca797f5084593b94590fbecd56f9299052366 (141 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:0020db1523...38fdf05c
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:009062e437...cb9cb714
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "a427fc4f96c14d60c10c95f7a4885cc1f871f3c496b9ad70c35dbee8363c4dd1", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:004af20e87...df680773
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "009062e437e1f2d9599c60c2b4043216b038038031ea202be719a4a61fb1c57a77ca12122017acc7877108928a7754ce206c721f5e3dedf57b2035143f94a6dccfcb9cb714", "hash": "a427fc4f96c14d60c10c95f7a4885cc1f871f3c496b9ad70c35dbee8363c4dd1", "number": "215821", "timestamp": "1794757528", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90279a04a76cb904a9100b0012cb96806b800774c3474a719c6169f6bc7ccd1f6049ad6a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (636 bytes)", "envelopes": [ "02f90abc830e4a2502843b9aca0e843b9aca0e83080c638080b90a60608060405234801561000f575f5ffd5b…2df931512fbb20db4278a5a07b5466bb15152f78e51d44a64a5fb23f31065a2fc0bac94e851f161393b6e012 (2,752 bytes)", "f8ac19850a6dad800082598394e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f1900000000…7b392482b1d38420ce3749a02e1b84763cd239f8779056658ab9c6145bae0400d7840bb5d2b77300d9100805 (174 bytes)", "f88b1c850a6dad80008254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…722422c9cd8b895d99883aa06eed6854776f84cc767166eec21ca797f5084593b94590fbecd56f9299052366 (141 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00f5cffb32...05756fc4
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "004af20e870d8b8655d227cdaf5e19f7f93aba516249039f9fd4662bd1fd690f0dca121220cce78357010ebdd3c19adad4c674b74537964ea89f88fe00a29dace0df680773", "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": "11002004249999823560811321.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }