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Canton Updates/1220f7...fdc8
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #30,769

This Gateway_FinalizeBlock transaction built EVM block #30,769 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #30,769
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.2s

Block planned

Producer plans block #30769 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #30769

967ms
967ms

Committed on Canton

Participant commits update 1220f7b669…dffdc8
—

Imported to the execution layers

Importer applies block #30769 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.2s
EVM
Canton
External call
Total
Complete967ms
967ms

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
#30,769
Block Hash
0x309e4380...359fabcb
Block Timestamp
Nov 5, 2026, 15:18:20 UTC
Transactions
0x641fbe61...6472f9090xfe3a...db13 → 0x9377...45a4Success
0x5d337c54...7c7522ea0x2c16...ccc1 → 0x2a1e...4725Success
Overview
Update ID
1220f7b669...2adffdc8
Offset
99767
Record Time
Nov 5, 2026, 15:18:20 UTC
Command ID
gw-64c9a5594...700c04b7
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:004030f849...b3645e90
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "0061aae49a717a7ec10f954045ddc9efd8e403bc34f0e396764ce4579269611ae0ca121220e910ec9640fcfa265c6b356d89a2654d08dfad97686d1effc536746adfe4a694", "block": { "timestamp": { "unpack": "1793891900." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f873830e4a25820825843b9aca00843b9aca1582a0dc942a1e151de8adb9c9231dc00681d5746b9d764725…94e0e96e1f0e2ee5b4dd8ea039c81c48dcedbfb10caaab44d79391708445021c5708625aa9421a64faae45db (118 bytes)", "f8708205b6858bb2c970088252089493774c9d5ed8e7f165b57164d018df36b37045a488016345785d8a0000…2d63df0e02a6cf3bfd8ccedd9f5214e0ce8d485c5f67fc822b3d6fe9fab6a641779e20b9225b0b95fa372fbf (114 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:0061aae49a...dfe4a694
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "4bbe34b4b0455fe463dce347491ed7f19dd77095caa97a127b58af7b700c04b7", "timestamp": { "unpack": "1793891900." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f873830e4a25820825843b9aca00843b9aca1582a0dc942a1e151de8adb9c9231dc00681d5746b9d764725…94e0e96e1f0e2ee5b4dd8ea039c81c48dcedbfb10caaab44d79391708445021c5708625aa9421a64faae45db (118 bytes)", "f8708205b6858bb2c970088252089493774c9d5ed8e7f165b57164d018df36b37045a488016345785d8a0000…2d63df0e02a6cf3bfd8ccedd9f5214e0ce8d485c5f67fc822b3d6fe9fab6a641779e20b9225b0b95fa372fbf (114 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:0027c0aeba...2ccd97b0
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00cf16166c...c4c2167a
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "309e43808d0e29527568d483e095b5bb7fb02c9518d9cd0a8591cdd1359fabcb", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00d407805e...8912dea5
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00cf16166c47a29e6fe9e7c5227693ed60bb3b80dd0c8f4d5767c7eae7694c5b44ca1212200848c464fc630b3a30f3a6605cedfc411bbc5cdffccb7d57c4700ecbc4c2167a", "hash": "309e43808d0e29527568d483e095b5bb7fb02c9518d9cd0a8591cdd1359fabcb", "number": "30769", "timestamp": "1793891900", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a04bbe34b4b0455fe463dce347491ed7f19dd77095caa97a127b58af7b700c04b7a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "02f873830e4a25820825843b9aca00843b9aca1582a0dc942a1e151de8adb9c9231dc00681d5746b9d764725…94e0e96e1f0e2ee5b4dd8ea039c81c48dcedbfb10caaab44d79391708445021c5708625aa9421a64faae45db (118 bytes)", "f8708205b6858bb2c970088252089493774c9d5ed8e7f165b57164d018df36b37045a488016345785d8a0000…2d63df0e02a6cf3bfd8ccedd9f5214e0ce8d485c5f67fc822b3d6fe9fab6a641779e20b9225b0b95fa372fbf (114 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00dea23a52...10eccf83
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00d407805e8a5694b37d96186697cbaa47938da883d2c86c75a9ade32da0813d2fca121220cb9cfa0d60cabf81939909f2f0ecc54035ba5d808eb54547704e1ef28912dea5", "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": "11002004249999986934545138.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }