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Canton Updates/122074...bf39
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #37,203

This Gateway_FinalizeBlock transaction built EVM block #37,203 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #37,203
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
1.6s

Block planned

Producer plans block #37203 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #37203

1.3s
1.3s

Committed on Canton

Participant commits update 12207420d7…5fbf39
—

Imported to the execution layers

Importer applies block #37203 from GatewayHead

—
0ms
500ms
1.0s
1.5s
1.6s
EVM
Canton
External call
Total
Complete1.3s
1.3s

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
#37,203
Block Hash
0x5b45a4ef...d3926fe8
Block Timestamp
Nov 5, 2026, 19:50:09 UTC
Transactions
0x1da17ad6...8fe3d1490xfe3a...db13 → 0xe2fe...7422Success
0xecbc0ffd...fab5bede0x5b9f...990c → 0x235d...3c8cSuccess
Overview
Update ID
12207420d7...c45fbf39
Offset
119341
Record Time
Nov 5, 2026, 19:50:10 UTC
Command ID
gw-64c9a5594...368be320
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:009518e12a...c00bbc99
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "0092e6dc98b459fed791b81961b96a6b4529e1e69030b4e0210bdf06fe6f04ea95ca1212206a53fe73ab74e3a9203b45ca0737335b72eb26172638f2508d8df384eaa7be12", "block": { "timestamp": { "unpack": "1793908209." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…62175dcf52d0c3539e56b3a01f6222a334192358fbabe16ad5129af2d2bf2a358f1633f93b6248a8c0327410 (111 bytes)", "f86d06858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…e794833437599ca836054aa0033f8d2795c8e17845c4a4bea5b368f878240bac2aa71baa5bf1cce2c3c1f94b (111 bytes)", "f8718211fa858bb2c9700882520894e2fe6664103c32921d2ce7d794557315a0f5742288016345785d8a0000…7db4b45c8d893c7aacdde7a06e9f73621db2ec2a46ad03660d7642c773b091e385df6ece9290e5769d12afaf (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": [] } }
0x622bd2b4...c3ca56b70x4a9a...89da → 0x235d...3c8cSuccess
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0092e6dc98...eaa7be12
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "e37329d175321ff5ff38f7b92daaa1e7c59d8bcc72ca1ee37f051e7d368be320", "timestamp": { "unpack": "1793908209." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…62175dcf52d0c3539e56b3a01f6222a334192358fbabe16ad5129af2d2bf2a358f1633f93b6248a8c0327410 (111 bytes)", "f86d06858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…e794833437599ca836054aa0033f8d2795c8e17845c4a4bea5b368f878240bac2aa71baa5bf1cce2c3c1f94b (111 bytes)", "f8718211fa858bb2c9700882520894e2fe6664103c32921d2ce7d794557315a0f5742288016345785d8a0000…7db4b45c8d893c7aacdde7a06e9f73621db2ec2a46ad03660d7642c773b091e385df6ece9290e5769d12afaf (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:000e964eab...d6bb6c48
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:006c9a4a66...781c4a28
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "5b45a4ef5e3ed89d072200310f1f45811416da847115b523f1cbafdcd3926fe8", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00c79fdbf5...16df8ad2
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "006c9a4a66341f147bb68e12203fa138956de385b7c7f0846738ebaf970edc6138ca121220dd78cc21757cf10dfe623bd91e215e2c4f82476dfd55e37213e7d5ab781c4a28", "hash": "5b45a4ef5e3ed89d072200310f1f45811416da847115b523f1cbafdcd3926fe8", "number": "37203", "timestamp": "1793908209", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a0e37329d175321ff5ff38f7b92daaa1e7c59d8bcc72ca1ee37f051e7d368be320a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…62175dcf52d0c3539e56b3a01f6222a334192358fbabe16ad5129af2d2bf2a358f1633f93b6248a8c0327410 (111 bytes)", "f86d06858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…e794833437599ca836054aa0033f8d2795c8e17845c4a4bea5b368f878240bac2aa71baa5bf1cce2c3c1f94b (111 bytes)", "f8718211fa858bb2c9700882520894e2fe6664103c32921d2ce7d794557315a0f5742288016345785d8a0000…7db4b45c8d893c7aacdde7a06e9f73621db2ec2a46ad03660d7642c773b091e385df6ece9290e5769d12afaf (115 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:002a9d0b9b...b4d0d16d
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00c79fdbf507f5780967c8412d57d38e65708f2944587ee0106f2030233ecde162ca121220c02c640194d4c7a101ab0fa1396ef43f5bf611d5e15fdc97aa72ea3016df8ad2", "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": "11002004249999984430313135.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }