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Canton Updates/12201f...5342
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #37,840

This Gateway_FinalizeBlock transaction built EVM block #37,840 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #37,840
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
1.8s

Block planned

Producer plans block #37840 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #37840

1.5s
1.5s

Committed on Canton

Participant commits update 12201f94c2…8d5342
—

Imported to the execution layers

Importer applies block #37840 from GatewayHead

—
0ms
500ms
1.0s
1.5s
1.8s
EVM
Canton
External call
Total
Complete1.5s
1.5s

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
#37,840
Block Hash
0xb1cd0cc1...202a294d
Block Timestamp
Nov 5, 2026, 20:15:34 UTC
Transactions
0x85a917ed...451ebbfb0xaf03...f3bb → 0x235d...3c8cSuccess
0x2cf8d95a...486942460x2c16...ccc1 → 0x2a1e...4725Success
Overview
Update ID
12201f94c2...918d5342
Offset
121278
Record Time
Nov 5, 2026, 20:15:35 UTC
Command ID
gw-64c9a5594...68a2e45b
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00faba9f31...9572041d
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00d13f35e25b2c11d23563c39b048c6bfc7477c5dbfcd8bcd118c54936969ffe00ca1212205fe0ff02b157adf67ec6208cac0f0e933c1bd089afc0667256ca7443de5132cd", "block": { "timestamp": { "unpack": "1793909734." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f873830e4a25820907843b9aca00843b9aca1582a0dc942a1e151de8adb9c9231dc00681d5746b9d764725…800426a43db1a22ecf0827a0602506f236c0546aa9de0963884f4f10fa50f776dfae7a7f8f2575d2e0e32b32 (118 bytes)", "f86d05858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…f2bc91bed6665a72bcb12ea0277d6fca3292539e6726cd76df871f4f7d36d99e1b2e13567eb0e41610fa0625 (111 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…e152e88cc3d9f5dd6b86e6a04b78e679d7e980d3d9bcae0f86889a06a2207835192f1abfacd779d2ee59e626 (111 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": [] } }
0x2635f196...5a932f290xfe2f...e239 → 0x235d...3c8cSuccess
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00d13f35e2...de5132cd
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "6f2fa92be86693a28df4097140d8e3d61d2e7309c73e851d6f3738ad68a2e45b", "timestamp": { "unpack": "1793909734." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f873830e4a25820907843b9aca00843b9aca1582a0dc942a1e151de8adb9c9231dc00681d5746b9d764725…800426a43db1a22ecf0827a0602506f236c0546aa9de0963884f4f10fa50f776dfae7a7f8f2575d2e0e32b32 (118 bytes)", "f86d05858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…f2bc91bed6665a72bcb12ea0277d6fca3292539e6726cd76df871f4f7d36d99e1b2e13567eb0e41610fa0625 (111 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…e152e88cc3d9f5dd6b86e6a04b78e679d7e980d3d9bcae0f86889a06a2207835192f1abfacd779d2ee59e626 (111 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:0012e19c2d...b74adfbe
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:006e87df42...9321ff17
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "b1cd0cc12504340885209b2b6f918927505fd1ac303c44d62903924c202a294d", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00b629aef5...c7939825
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "006e87df425215032727f906f4dc033b01f3e720165bf6c00df10e1b5b7a949b08ca121220971bc632599bc7ebbfe007281a26185bad805c14dcc4d7f0001c98af9321ff17", "hash": "b1cd0cc12504340885209b2b6f918927505fd1ac303c44d62903924c202a294d", "number": "37840", "timestamp": "1793909734", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a06f2fa92be86693a28df4097140d8e3d61d2e7309c73e851d6f3738ad68a2e45ba01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "02f873830e4a25820907843b9aca00843b9aca1582a0dc942a1e151de8adb9c9231dc00681d5746b9d764725…800426a43db1a22ecf0827a0602506f236c0546aa9de0963884f4f10fa50f776dfae7a7f8f2575d2e0e32b32 (118 bytes)", "f86d05858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…f2bc91bed6665a72bcb12ea0277d6fca3292539e6726cd76df871f4f7d36d99e1b2e13567eb0e41610fa0625 (111 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…e152e88cc3d9f5dd6b86e6a04b78e679d7e980d3d9bcae0f86889a06a2207835192f1abfacd779d2ee59e626 (111 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00b031299d...7d42deee
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00b629aef5cbad4d6f2d8cb04b91ea121cbe8ce34059bbc76ad2966134a4bed5f1ca1212204c92b792f6586ed598ae1a0eeaf912aebb108f6c2bb43d7e48d86d40c7939825", "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": "11002004249999984201308583.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }