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Canton Updates/122016...c8b7
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #17,691

This Gateway_FinalizeBlock transaction built EVM block #17,691 through the gateway-build-block external call and committed it with 4 transactions.

Block Lifecycle
block #17,691
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
1.8s

Block planned

Producer plans block #17691 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #17691

1.4s
1.4s

Committed on Canton

Participant commits update 1220169d13…13c8b7
—

Imported to the execution layers

Importer applies block #17691 from GatewayHead

—
0ms
500ms
1.0s
1.5s
1.8s
EVM
Canton
External call
Total
Complete1.4s
1.4s

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
#17,691
Block Hash
0x58914e4d...e285b19a
Block Timestamp
Nov 3, 2026, 19:57:10 UTC
Transactions
0xab48f4b6...91b47c120x2f20...4c05 → 0x235d...3c8cSuccess
0xb09e9601...cda3292b0xe1d5...26f4 → 0xa080...b8f2Success
Overview
Update ID
1220169d13...0113c8b7
Offset
57325
Record Time
Nov 3, 2026, 19:57:11 UTC
Command ID
gw-64c9a5594...fd5b6acf
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:003425b8d0...f8e4b101
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "004290c334a17f13779c31d91438cb884372503cb24a192fa4e3bde284d123cfa3ca121220ae1a35eb862277f6d3a9839f89815513310ae0f455a33776a300783e978a374d", "hash": "58914e4d793e77b4721c1eae8b4a65d52deba488563509f41b5e3d17e285b19a", "number": "17691", "timestamp": "1793735830", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a0a23e6ded876cdbedb9b3c8111ed7b7bad6665c4138c00359d32e0062fd5b6acfa01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…cecc7a222efbe4fe298ab4a02530fb60f014b2f3c81a808ac5df1d686872d763e6d29a6d35cc8d671a52b0cc (112 bytes)", "f8ac80858bb2c970088259a294d129219e03f0ad695dbb10182802b82adf9ab96c80b84440c10f1900000000…28562522a0919fbbfd9920a07b56574d2b0a0655cfa8e0bf7826361e400ed0dd240d4c0f798a524bb58e769c (174 bytes)", "02f875830e4a258084a0eebb0084a0eebb1582520894fe3a99a761d9fd2b891231f561ed8fba1dd4db13880d…c785256a7bdd8dcc72dfa1a01f66e029b7ababaad570cf7375990dfdd51d483b3fc42f620b62fb7a9593677d (120 bytes)", "f8ac80858bb2c970088259a294a0809c6182efe54bed9243c93944d1041615b8f280b84440c10f1900000000…aa62eb1098f52f6b472c3ca050d70d1167156a7e4b0548634399eb7bdb4437be0b0a1dbdf9e955b0397c0b53 (174 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
0xc7146ba4...688bbc6b0xac61...a490 → 0xfe3a...db13Success
0x5788b1bb...b84a79ff0x703d...e2d4 → 0xd129...b96cSuccess
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00f6dc43b4...6df07d14
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "003425b8d08803538f6abdc34313014b8cd39c22d3ea4b9dda91525d6427c090c8ca121220c7a5eac3678a7c37c57b580a85e1bd2a702510fb2fbd978fe31708cef8e4b101", "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": "11002004249999991917518581.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:003e3f740d...d7a388c1
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "006c2671fa9f47825d865d522faa81862e67337541d03a03a6f58039cf10f10d89ca12122080a06836c76870dd5928be59ee3417f05f55252e72da91da35400485f774a80c", "block": { "timestamp": { "unpack": "1793735830." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…cecc7a222efbe4fe298ab4a02530fb60f014b2f3c81a808ac5df1d686872d763e6d29a6d35cc8d671a52b0cc (112 bytes)", "f8ac80858bb2c970088259a294d129219e03f0ad695dbb10182802b82adf9ab96c80b84440c10f1900000000…28562522a0919fbbfd9920a07b56574d2b0a0655cfa8e0bf7826361e400ed0dd240d4c0f798a524bb58e769c (174 bytes)", "02f875830e4a258084a0eebb0084a0eebb1582520894fe3a99a761d9fd2b891231f561ed8fba1dd4db13880d…c785256a7bdd8dcc72dfa1a01f66e029b7ababaad570cf7375990dfdd51d483b3fc42f620b62fb7a9593677d (120 bytes)", "f8ac80858bb2c970088259a294a0809c6182efe54bed9243c93944d1041615b8f280b84440c10f1900000000…aa62eb1098f52f6b472c3ca050d70d1167156a7e4b0548634399eb7bdb4437be0b0a1dbdf9e955b0397c0b53 (174 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:006c2671fa...f774a80c
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "a23e6ded876cdbedb9b3c8111ed7b7bad6665c4138c00359d32e0062fd5b6acf", "timestamp": { "unpack": "1793735830." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…cecc7a222efbe4fe298ab4a02530fb60f014b2f3c81a808ac5df1d686872d763e6d29a6d35cc8d671a52b0cc (112 bytes)", "f8ac80858bb2c970088259a294d129219e03f0ad695dbb10182802b82adf9ab96c80b84440c10f1900000000…28562522a0919fbbfd9920a07b56574d2b0a0655cfa8e0bf7826361e400ed0dd240d4c0f798a524bb58e769c (174 bytes)", "02f875830e4a258084a0eebb0084a0eebb1582520894fe3a99a761d9fd2b891231f561ed8fba1dd4db13880d…c785256a7bdd8dcc72dfa1a01f66e029b7ababaad570cf7375990dfdd51d483b3fc42f620b62fb7a9593677d (120 bytes)", "f8ac80858bb2c970088259a294a0809c6182efe54bed9243c93944d1041615b8f280b84440c10f1900000000…aa62eb1098f52f6b472c3ca050d70d1167156a7e4b0548634399eb7bdb4437be0b0a1dbdf9e955b0397c0b53 (174 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:005c8aafaa...068703b4
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:004290c334...978a374d
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "58914e4d793e77b4721c1eae8b4a65d52deba488563509f41b5e3d17e285b19a", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }