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Canton Updates/122003...afab
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #37,870

This Gateway_FinalizeBlock transaction built EVM block #37,870 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #37,870
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
1.7s

Block planned

Producer plans block #37870 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #37870

1.3s
1.3s

Committed on Canton

Participant commits update 1220031a92…65afab
—

Imported to the execution layers

Importer applies block #37870 from GatewayHead

—
0ms
500ms
1.0s
1.5s
1.7s
EVM
Canton
External call
Total
Complete1.3s
1.3s

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
#37,870
Block Hash
0x7dbb4eeb...be4526d1
Block Timestamp
Nov 5, 2026, 20:16:42 UTC
Transactions
0x9bc52175...ffd95d470xa089...d5fc → 0x5345...9be7Success
0xcb7255a2...8d524c3d0xfe3a...db13 → 0x41ea...9e5cSuccess
Overview
Update ID
1220031a92...fb65afab
Offset
121369
Record Time
Nov 5, 2026, 20:16:43 UTC
Command ID
gw-64c9a5594...c2334fef
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:004ad54b30...d62e09eb
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00142984f93356581678d93fb42fb535d4fa482ebbc5e9099b2b6e082a99af9c27ca1212208b96eea4e575a89be9431523a65b9696872a1044a0e6b1f5f9533284218064f7", "hash": "7dbb4eeba48f96b5b7866178f3308f5e1368acd43f2ca414a10f5d7dbe4526d1", "number": "37870", "timestamp": "1793909802", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a087071fefe60331788353f6419944d081072568ff37d0b85bb55c0108c2334fefa01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…ece093bebc0f644b21e76ea03c6721f90086bf84accd29dca14f9a60da2bf9c46f1c42512674181edd5988fe (141 bytes)", "f8ac80858bb2c970088259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f1900000000…2070cf60045199829f80f5a02b7f7d9d57285b2d64c1e9d304ec118b6097cb4620ac7ce2df874f749e720088 (174 bytes)", "f87182135f858bb2c970088252089441ea8b36979e45be41fee9e58823a744d8db9e5c88016345785d8a0000…ed9db4c423dd7f8960b7c9a069bea375bee64c4d02847b3311334006585091f1ea10dcb3e02f4474e9524078 (115 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
0x71bbe6d7...cf65c54d0x6915...3abb → 0xa276...16d2Success
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00e7d7a137...a3ce98ba
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "004ad54b3081d59f00f7c3b0e8556fc465029739b4145e2a633f5db09c1ade79cbca12122006a0ac02d8d0520db63ef55bce87486e1f7643f302372fec79fd253cd62e09eb", "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": "11002004249999984190909733.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:005483d761...0aa1ae7e
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00dee61f95f2987bbea8f4a17f4d86a9419906179bde27a8a2070427b8e65677f9ca121220fee67958cdf1e4883287adb14273cea10d87556684c02601a0b24e600671daed", "block": { "timestamp": { "unpack": "1793909802." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…ece093bebc0f644b21e76ea03c6721f90086bf84accd29dca14f9a60da2bf9c46f1c42512674181edd5988fe (141 bytes)", "f8ac80858bb2c970088259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f1900000000…2070cf60045199829f80f5a02b7f7d9d57285b2d64c1e9d304ec118b6097cb4620ac7ce2df874f749e720088 (174 bytes)", "f87182135f858bb2c970088252089441ea8b36979e45be41fee9e58823a744d8db9e5c88016345785d8a0000…ed9db4c423dd7f8960b7c9a069bea375bee64c4d02847b3311334006585091f1ea10dcb3e02f4474e9524078 (115 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:00dee61f95...0671daed
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "87071fefe60331788353f6419944d081072568ff37d0b85bb55c0108c2334fef", "timestamp": { "unpack": "1793909802." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…ece093bebc0f644b21e76ea03c6721f90086bf84accd29dca14f9a60da2bf9c46f1c42512674181edd5988fe (141 bytes)", "f8ac80858bb2c970088259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f1900000000…2070cf60045199829f80f5a02b7f7d9d57285b2d64c1e9d304ec118b6097cb4620ac7ce2df874f749e720088 (174 bytes)", "f87182135f858bb2c970088252089441ea8b36979e45be41fee9e58823a744d8db9e5c88016345785d8a0000…ed9db4c423dd7f8960b7c9a069bea375bee64c4d02847b3311334006585091f1ea10dcb3e02f4474e9524078 (115 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:00dab8e28c...2951e1dc
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00142984f9...218064f7
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "7dbb4eeba48f96b5b7866178f3308f5e1368acd43f2ca414a10f5d7dbe4526d1", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }