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Canton Updates/1220a2...15a5
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #38,937

This Gateway_FinalizeBlock transaction built EVM block #38,937 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #38,937
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
1.9s

Block planned

Producer plans block #38937 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #38937

1.5s
1.5s

Committed on Canton

Participant commits update 1220a2319d…dd15a5
—

Imported to the execution layers

Importer applies block #38937 from GatewayHead

—
0ms
500ms
1.0s
1.5s
1.9s
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
#38,937
Block Hash
0xb4a64e3b...f18566d0
Block Timestamp
Nov 5, 2026, 20:59:49 UTC
Transactions
0xd4ff23f5...e4923dc30x323b...3eae → 0xe0a4...1b87Success
0x23b8739f...65c6750b0xfe3a...db13 → 0x3670...654dSuccess
Overview
Update ID
1220a2319d...9add15a5
Offset
124613
Record Time
Nov 5, 2026, 20:59:50 UTC
Command ID
gw-64c9a5594...6f267437
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00eda93bfe...a9d7d4d8
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00d677f8a0d98bff38975c7a1cb4f698f8143d4c92b908e1d3cfbf250bec3a6c59ca12122065cdaf23f305fd8a0a4ddd9a5482d63f79e61ca43bb51d5623797fbfe8c512e9", "block": { "timestamp": { "unpack": "1793912389." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac80858bb2c970088259a294e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f1900000000…b45eece8c2f3c3f214cb16a001ba15a32e3d8d23e987bdd5df212a0b36080d821014f8b4717264a70890b2ce (174 bytes)", "f8718215a7858bb2c970088252089436701c5a0600307394627c10f8b1e5d58f18654d88016345785d8a0000…42c2498bea333dce3c0de3a036c260d4c489ed40ae0c9f124dad44333a5d6f0750f10e7a4c795eecd64398d0 (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:00d677f8a0...e8c512e9
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "7b755071e3fa424f213db9f2ae106b7e6ca8bc79551fc2aee99f1c206f267437", "timestamp": { "unpack": "1793912389." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac80858bb2c970088259a294e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f1900000000…b45eece8c2f3c3f214cb16a001ba15a32e3d8d23e987bdd5df212a0b36080d821014f8b4717264a70890b2ce (174 bytes)", "f8718215a7858bb2c970088252089436701c5a0600307394627c10f8b1e5d58f18654d88016345785d8a0000…42c2498bea333dce3c0de3a036c260d4c489ed40ae0c9f124dad44333a5d6f0750f10e7a4c795eecd64398d0 (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:004078e4e1...e97187fd
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00b244985b...3a1c877b
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "b4a64e3be18279d32df6be5b0dfb92d899c047a2079e9e25a0ef4142f18566d0", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00f98cc72b...40ca5e1c
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00b244985b0b9e28d19d3b55da7d0898e936f21c6621461641d29f22e02b30659aca1212208c773c657de0533c8e13a2e5992bec663cb430b95df95adcc5f400133a1c877b", "hash": "b4a64e3be18279d32df6be5b0dfb92d899c047a2079e9e25a0ef4142f18566d0", "number": "38937", "timestamp": "1793912389", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a07b755071e3fa424f213db9f2ae106b7e6ca8bc79551fc2aee99f1c206f267437a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f8ac80858bb2c970088259a294e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f1900000000…b45eece8c2f3c3f214cb16a001ba15a32e3d8d23e987bdd5df212a0b36080d821014f8b4717264a70890b2ce (174 bytes)", "f8718215a7858bb2c970088252089436701c5a0600307394627c10f8b1e5d58f18654d88016345785d8a0000…42c2498bea333dce3c0de3a036c260d4c489ed40ae0c9f124dad44333a5d6f0750f10e7a4c795eecd64398d0 (115 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:0018951457...4982c2a2
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00f98cc72b7712f8e9e0a3f8e5a515e8b87843ff87ec529fb3ce7489c03063fff1ca121220437ffbeef83ee12006055864e9c2c6b8eeb66f7fc96da418b4bf627740ca5e1c", "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": "11002004249999983778193275.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }