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Canton Updates/1220ac...f870
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #37,456

This Gateway_FinalizeBlock transaction built EVM block #37,456 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #37,456
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.1s

Block planned

Producer plans block #37456 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #37456

897ms
897ms

Committed on Canton

Participant commits update 1220ac3582…4af870
—

Imported to the execution layers

Importer applies block #37456 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.1s
EVM
Canton
External call
Total
Complete897ms
897ms

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
#37,456
Block Hash
0x0e743a33...42d7455c
Block Timestamp
Nov 5, 2026, 20:00:21 UTC
Transactions
0xab81d09d...927cd6390x5d15...e537 → 0xa276...16d2Success
0x77fd8c17...c902f1230xfe3a...db13 → 0x3584...ce2cSuccess
Overview
Update ID
1220ac3582...3c4af870
Offset
120110
Record Time
Nov 5, 2026, 20:00:21 UTC
Command ID
gw-64c9a5594...d2145245
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00d6b4367b...69a7a954
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "0012e936f39a05715443a36f35f56d214a65a23b5f5cf28a95dd2a25efa6818822ca121220d95e7626c798d3ea929808e9119674c02a1df54e22395f64db6d7a5214e235b0", "block": { "timestamp": { "unpack": "1793908821." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…5561d423f79868650d3c9aa016ee3c0db947cb46a532749dbbddfc705b7d3f0c328446be705b5a64f53b739d (141 bytes)", "f8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…c55ccf58bfb625ee64e59aa036941766b3c91aab697da9f30cb0da18278ae3b8cdf1467f25f1e5736eb7ee02 (174 bytes)", "f871821287858bb2c97008825208943584123821c55d3d535f64d09f19908ea440ce2c88016345785d8a0000…22a84b4f6b1dc051d43577a03e55495eec8b69dbae622a68a0fe8b99daedda991d8aef3f358e636ba8039ad6 (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": [] } }
0x6d1aff37...39a3461d0x71cd...a58f → 0x23e5...229aSuccess
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0012e936f3...14e235b0
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "cb86f1470db3f51819c09665456a4a44ab6b8b70948ab0d65993c477d2145245", "timestamp": { "unpack": "1793908821." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…5561d423f79868650d3c9aa016ee3c0db947cb46a532749dbbddfc705b7d3f0c328446be705b5a64f53b739d (141 bytes)", "f8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…c55ccf58bfb625ee64e59aa036941766b3c91aab697da9f30cb0da18278ae3b8cdf1467f25f1e5736eb7ee02 (174 bytes)", "f871821287858bb2c97008825208943584123821c55d3d535f64d09f19908ea440ce2c88016345785d8a0000…22a84b4f6b1dc051d43577a03e55495eec8b69dbae622a68a0fe8b99daedda991d8aef3f358e636ba8039ad6 (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:00b7b96484...c7821274
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:0083246799...40284b5e
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "0e743a333716392ebbd1156928c727f54a38b79e05725c32d5247f2f42d7455c", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00aa1b220d...f9943bad
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "008324679903edeffeda09511e887348edc070e8cab82da72491409230bf84687bca121220c5061b4d8fcef609fa080954775663aa7283ba76f77083cb2d9731cd40284b5e", "hash": "0e743a333716392ebbd1156928c727f54a38b79e05725c32d5247f2f42d7455c", "number": "37456", "timestamp": "1793908821", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a0cb86f1470db3f51819c09665456a4a44ab6b8b70948ab0d65993c477d2145245a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…5561d423f79868650d3c9aa016ee3c0db947cb46a532749dbbddfc705b7d3f0c328446be705b5a64f53b739d (141 bytes)", "f8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…c55ccf58bfb625ee64e59aa036941766b3c91aab697da9f30cb0da18278ae3b8cdf1467f25f1e5736eb7ee02 (174 bytes)", "f871821287858bb2c97008825208943584123821c55d3d535f64d09f19908ea440ce2c88016345785d8a0000…22a84b4f6b1dc051d43577a03e55495eec8b69dbae622a68a0fe8b99daedda991d8aef3f358e636ba8039ad6 (115 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:000a318aef...dcb57e84
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00aa1b220d6574ef882d8ff44af63008754218c2e1795ed9abc993b1bf5444ed6dca121220e0e51a55324acebc53a525401eab5cf6ae0ad4edec83dd45f05fc067f9943bad", "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": "11002004249999984336629363.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }