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Canton Updates/122016...55e8
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #121,900

This Gateway_FinalizeBlock transaction built EVM block #121,900 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #121,900
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
1.9s

Block planned

Producer plans block #121900 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #121900

1.5s
1.5s

Committed on Canton

Participant commits update 1220160c95…a555e8
—

Imported to the execution layers

Importer applies block #121900 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
#121,900
Block Hash
0x073ce339...19cc6be5
Block Timestamp
Nov 10, 2026, 20:18:19 UTC
Transactions
0x86bb4eb2...1867942e0x26b2...5f86 → 0x0af7...128bSuccess
0x43a03a15...4cdcab970x26b2...5f86 → 0x0af7...128bSuccess
Overview
Update ID
1220160c95...fba555e8
Offset
380377
Record Time
Nov 10, 2026, 20:18:20 UTC
Command ID
gw-64c9a5594...fcd8843d
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00aeba79b4...18aee4ca
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "002fd778613f5a7a3f89c8ea92802b5c22e73fcad25d0f46985adc7b90ff9d2302ca121220061399243aeea412164ec17f58f0923b16e98039eed224abe9cc1b6917b10b30", "block": { "timestamp": { "unpack": "1794341899." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ae8213928405f5e1008301d4c0940af70fb293003422fb174e4ad03787337903128b80b844a9059cbb0000…b61e69a1b7123e1bff50f6a0350e1b32164261b1372a9665151dcd07a613503cd811e28562365953b67c064d (176 bytes)", "f8ae8213938405f5e1008301d4c0940af70fb293003422fb174e4ad03787337903128b80b844a9059cbb0000…dceb546db4511e7c51c727a07f414c561ebd87c6d078b70f741c033a4f904f60b1a96527322de7304ea7ef97 (176 bytes)", "02f8b2830e4a250d843b9aca0e843b9aca0e82b50d94af081bc10317e06b4f3874070ecea5dba7984cec80b8…8c497a762ab0945c3a6db7a0241c280a082967245b2cd0832907e05dd1e7992552bcee87ad3dd39f12e88640 (181 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": [] } }
0x4ab4869f...35c0a3e60xe553...db07 → 0xaf08...4cecSuccess
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:002fd77861...17b10b30
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "d4ffd986faa3ba1909428084b7753d1ffe6bf61a60725e6b3595ce40fcd8843d", "timestamp": { "unpack": "1794341899." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ae8213928405f5e1008301d4c0940af70fb293003422fb174e4ad03787337903128b80b844a9059cbb0000…b61e69a1b7123e1bff50f6a0350e1b32164261b1372a9665151dcd07a613503cd811e28562365953b67c064d (176 bytes)", "f8ae8213938405f5e1008301d4c0940af70fb293003422fb174e4ad03787337903128b80b844a9059cbb0000…dceb546db4511e7c51c727a07f414c561ebd87c6d078b70f741c033a4f904f60b1a96527322de7304ea7ef97 (176 bytes)", "02f8b2830e4a250d843b9aca0e843b9aca0e82b50d94af081bc10317e06b4f3874070ecea5dba7984cec80b8…8c497a762ab0945c3a6db7a0241c280a082967245b2cd0832907e05dd1e7992552bcee87ad3dd39f12e88640 (181 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:001c26ee52...a08600c1
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00fed192a7...6989b88d
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "073ce3395bc0562274b874a79abef6e108a493d01f7f884606e8e70119cc6be5", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:003470910f...add10452
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00fed192a7308115fc2038279fcbe8b9fd0688e19bd0c2c242556b33e70bcf1bfdca121220a93403e2e95bd777a7c06fcd9dd27485b9d726eb4531930d3a7a75926989b88d", "hash": "073ce3395bc0562274b874a79abef6e108a493d01f7f884606e8e70119cc6be5", "number": "121900", "timestamp": "1794341899", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90279a0d4ffd986faa3ba1909428084b7753d1ffe6bf61a60725e6b3595ce40fcd8843da01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (636 bytes)", "envelopes": [ "f8ae8213928405f5e1008301d4c0940af70fb293003422fb174e4ad03787337903128b80b844a9059cbb0000…b61e69a1b7123e1bff50f6a0350e1b32164261b1372a9665151dcd07a613503cd811e28562365953b67c064d (176 bytes)", "f8ae8213938405f5e1008301d4c0940af70fb293003422fb174e4ad03787337903128b80b844a9059cbb0000…dceb546db4511e7c51c727a07f414c561ebd87c6d078b70f741c033a4f904f60b1a96527322de7304ea7ef97 (176 bytes)", "02f8b2830e4a250d843b9aca0e843b9aca0e82b50d94af081bc10317e06b4f3874070ecea5dba7984cec80b8…8c497a762ab0945c3a6db7a0241c280a082967245b2cd0832907e05dd1e7992552bcee87ad3dd39f12e88640 (181 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:009cda1277...b198e9d8
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "003470910f201f110845854b3344d0194a14c10577358fb50030cb016c46a48519ca121220d3fc5b72a5669ed39918c85fa8cfc2d46cd4790efefe426d302feac7add10452", "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": "11002004249999904491529707.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }