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Canton Updates/12203a...1c69
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #18,985

This Gateway_FinalizeBlock transaction built EVM block #18,985 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #18,985
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.2s

Block planned

Producer plans block #18985 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #18985

929ms
929ms

Committed on Canton

Participant commits update 12203a1b58…5e1c69
—

Imported to the execution layers

Importer applies block #18985 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.2s
EVM
Canton
External call
Total
Complete929ms
929ms

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
#18,985
Block Hash
0xfcd03781...9bd8e056
Block Timestamp
Nov 3, 2026, 21:13:03 UTC
Transactions
0x30cbf029...a665e0f60x623e...8708 → 0x235d...3c8cSuccess
0x830205cd...fa3990150x1f6b...e194 → 0x0db9...fe89Success
Overview
Update ID
12203a1b58...fe5e1c69
Offset
61359
Record Time
Nov 3, 2026, 21:13:03 UTC
Command ID
gw-64c9a5594...9213eb16
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00ad66b240...ad155c30
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "003799d1343652428dc504415cffbeec38459ba9879db534ba5f64003e7957372dca121220c9129547e36c33961c1d74ffb687456be3477488d4df091fc0d60aa340b2fd6a", "block": { "timestamp": { "unpack": "1793740383." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac808501710e66858259a2940db987998cdceb19be8b3dd513f173fb1c32fe8980b84440c10f1900000000…f37949ddb80f823a19273ea03a66540d573731d55c6e97daa63440bb74af123a69233c9a1e3fd74f2c49d759 (174 bytes)", "f86e028501710e668582520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…8093adbcc9bb96f03f82c5a04786ef677ee3734b519568dda0b65269d1d04eb813cf2ea87a3be60b0566c56c (112 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:003799d134...40b2fd6a
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "45f6ca8032e329a784dd5bee283e249608dcfca300b521aba9466ec09213eb16", "timestamp": { "unpack": "1793740383." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac808501710e66858259a2940db987998cdceb19be8b3dd513f173fb1c32fe8980b84440c10f1900000000…f37949ddb80f823a19273ea03a66540d573731d55c6e97daa63440bb74af123a69233c9a1e3fd74f2c49d759 (174 bytes)", "f86e028501710e668582520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…8093adbcc9bb96f03f82c5a04786ef677ee3734b519568dda0b65269d1d04eb813cf2ea87a3be60b0566c56c (112 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:00d324ae46...97028d4b
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00abb43140...95d80775
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "fcd03781ef29ebe052ba6868a156e9e273a1a4f870681ccba41e99d79bd8e056", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00c2c81bc4...f07c814b
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00abb4314024bf69ca72e3c5b3fbc7a99732d14968ab06b164a5958a5d29ef5f64ca1212204f3d5f165f4fbae3de43def88823c19e381f7c563f2ada4da88a73cd95d80775", "hash": "fcd03781ef29ebe052ba6868a156e9e273a1a4f870681ccba41e99d79bd8e056", "number": "18985", "timestamp": "1793740383", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a045f6ca8032e329a784dd5bee283e249608dcfca300b521aba9466ec09213eb16a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f8ac808501710e66858259a2940db987998cdceb19be8b3dd513f173fb1c32fe8980b84440c10f1900000000…f37949ddb80f823a19273ea03a66540d573731d55c6e97daa63440bb74af123a69233c9a1e3fd74f2c49d759 (174 bytes)", "f86e028501710e668582520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…8093adbcc9bb96f03f82c5a04786ef677ee3734b519568dda0b65269d1d04eb813cf2ea87a3be60b0566c56c (112 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:003b06d9f2...0a28dfb4
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00c2c81bc47b3426f6d3d0b82a700bef232ce5ddc5aa5e47369b1162c5a0c2c3b6ca1212203a0d6e91ce99472df80e89d139a9827b969324cfb5a1cf0b222a5641f07c814b", "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": "11002004249999991520141475.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }