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Canton Updates/122016...bdd1
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #37,295

This Gateway_FinalizeBlock transaction built EVM block #37,295 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #37,295
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
2.0s
2.5s
3.0s

Block planned

Producer plans block #37295 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #37295

2.4s
2.4s

Committed on Canton

Participant commits update 122016d9e4…ebbdd1
—

Imported to the execution layers

Importer applies block #37295 from GatewayHead

—
0ms
500ms
1.0s
1.5s
2.0s
2.5s
3.0s
EVM
Canton
External call
Total
Complete2.4s
2.4s

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
#37,295
Block Hash
0xded0cd87...83a98157
Block Timestamp
Nov 5, 2026, 19:53:53 UTC
Transactions
0x92e20c75...cdf30ac00xfa2a...4977 → 0x235d...3c8cSuccess
0xc9db5032...775445f10x7f7a...4713 → 0xa276...16d2Success
Overview
Update ID
122016d9e4...91ebbdd1
Offset
119621
Record Time
Nov 5, 2026, 19:53:55 UTC
Command ID
gw-64c9a5594...a561fcfd
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00f3c4016a...0b814159
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "008059a4673bf55ce371ab5a8c55a8e8bf9675d1e574ad35db6b8c5ff5ba9a558dca121220cb13ad2e931447990b2b8fe42cf1772148464541ae2a0faac60510224d527f85", "block": { "timestamp": { "unpack": "1793908433." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…101622173b561b22b45feca02254f9b7e8c755deded591b05e5f0d9569fc39c5fef42e7a423953c6281acf6a (141 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…2b95a079a9c57b442a57afa022da0b5d5450b1503f59abeb984d24c5552b41c9fb8490a948b41eff1cce418c (111 bytes)", "f87182122c858bb2c970088252089474a77920c02c8f31bacc80f656eecbebefae216f88016345785d8a0000…01e8b1ee84cedcec1cfa22a0795e0950b5c8b4b4d1e10e35d13f2afa4c285336cd4d81d5a302491996213787 (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": [] } }
0x241fda23...680308860xfe3a...db13 → 0x74a7...216fSuccess
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:008059a467...4d527f85
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "77e630212c1a1608873341b27d35ca098437223272b79477774dfdaca561fcfd", "timestamp": { "unpack": "1793908433." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…101622173b561b22b45feca02254f9b7e8c755deded591b05e5f0d9569fc39c5fef42e7a423953c6281acf6a (141 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…2b95a079a9c57b442a57afa022da0b5d5450b1503f59abeb984d24c5552b41c9fb8490a948b41eff1cce418c (111 bytes)", "f87182122c858bb2c970088252089474a77920c02c8f31bacc80f656eecbebefae216f88016345785d8a0000…01e8b1ee84cedcec1cfa22a0795e0950b5c8b4b4d1e10e35d13f2afa4c285336cd4d81d5a302491996213787 (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:003eff40a9...8a730101
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:000f46ca5c...4896ab5a
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "ded0cd87a577d6c37fbd9938896239630af8462c702811bf24b88db783a98157", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00d1d1174d...6c9f5e14
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "000f46ca5ce241a8e2de75c47a5db4c017ac3c85cc5eca3b279f44876174f3aca0ca1212202b989540c15fcbfe907bc7f53e89362f8cf1593bcf3c06916fd54bfe4896ab5a", "hash": "ded0cd87a577d6c37fbd9938896239630af8462c702811bf24b88db783a98157", "number": "37295", "timestamp": "1793908433", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a077e630212c1a1608873341b27d35ca098437223272b79477774dfdaca561fcfda01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…101622173b561b22b45feca02254f9b7e8c755deded591b05e5f0d9569fc39c5fef42e7a423953c6281acf6a (141 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…2b95a079a9c57b442a57afa022da0b5d5450b1503f59abeb984d24c5552b41c9fb8490a948b41eff1cce418c (111 bytes)", "f87182122c858bb2c970088252089474a77920c02c8f31bacc80f656eecbebefae216f88016345785d8a0000…01e8b1ee84cedcec1cfa22a0795e0950b5c8b4b4d1e10e35d13f2afa4c285336cd4d81d5a302491996213787 (115 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00844135c6...fb4817a4
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00d1d1174dc77467b1ea3465a6e4be6fca6dd9bcf7991769ad26890282208a2ad6ca12122063a4a376ae5412894f24219ad8689dc215585301e5e9d4a51fbb5e676c9f5e14", "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": "11002004249999984395857721.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }