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Canton Updates/1220ca...8493
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #18,497

This Gateway_FinalizeBlock transaction built EVM block #18,497 through the gateway-build-block external call and committed it with 4 transactions.

Block Lifecycle
block #18,497
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
988ms

Block planned

Producer plans block #18497 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #18497

790ms
790ms

Committed on Canton

Participant commits update 1220cac4e8…c18493
—

Imported to the execution layers

Importer applies block #18497 from GatewayHead

—
0ms
250ms
500ms
750ms
988ms
EVM
Canton
External call
Total
Complete790ms
790ms

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
#18,497
Block Hash
0x753d47ba...218f5e5d
Block Timestamp
Nov 3, 2026, 20:33:33 UTC
Transactions
0x36e13226...129dd9230x3197...e5ae → 0x235d...3c8cSuccess
0x54f1dc01...9deec8310x4ed6...4206 → 0xb778...3d80Success
Overview
Update ID
1220cac4e8...0bc18493
Offset
59816
Record Time
Nov 3, 2026, 20:33:33 UTC
Command ID
gw-64c9a5594...7ed9f69b
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00ff140732...f70bc87a
Choice: Archive
Payload
{}
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
0x014353ca...f8ddf94e0x2450...2fcf → 0xfe3a...db13Success
0xa5dc0071...9b25ebd40xbb11...1927 → 0x23e5...229aSuccess
Contract:
001e09e030...299b702d
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00a57fec7eb8811c683a748b3d81cc7116188a4a831b1e5fd83ef8841b7f910483ca121220054ff7ee919dd303fa4a7e44ec191d893b0f3e31f9d2e00ab0987519d44ae9db", "block": { "timestamp": { "unpack": "1793738013." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f875830e4a258084a0eebb0084a0eebb1582520894fe3a99a761d9fd2b891231f561ed8fba1dd4db13880d…301cfac4dc848f436189b9a060594676f105b7bab3b74e3a21a0a862ba3fb54fbc545dfd63040102e95db6ba (120 bytes)", "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…af8711c81464597a4b73f7a02f9e079c55a61682ccbd7ffa2f0c68fb6ef466d0af5c4ea048f9da10cdf2f251 (112 bytes)", "f8ac80858bb2c970088259a294b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…48b99713ebc2487867071da027d1b80f409b1efaede93905722cd1c4c49fd5db3da1506cbb736a9b4db5d370 (174 bytes)", "f8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…d086538bc68c21b6889d18a05ccdb203c3dd22c8d119548447bbb1e215bef68cada8af3bff0d9d9862ef9223 (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:00a57fec7e...d44ae9db
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "4431bf58ccaf9ab37f0bd6b608b2812267cecb3cacfc55959ffe5a5b7ed9f69b", "timestamp": { "unpack": "1793738013." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f875830e4a258084a0eebb0084a0eebb1582520894fe3a99a761d9fd2b891231f561ed8fba1dd4db13880d…301cfac4dc848f436189b9a060594676f105b7bab3b74e3a21a0a862ba3fb54fbc545dfd63040102e95db6ba (120 bytes)", "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…af8711c81464597a4b73f7a02f9e079c55a61682ccbd7ffa2f0c68fb6ef466d0af5c4ea048f9da10cdf2f251 (112 bytes)", "f8ac80858bb2c970088259a294b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…48b99713ebc2487867071da027d1b80f409b1efaede93905722cd1c4c49fd5db3da1506cbb736a9b4db5d370 (174 bytes)", "f8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…d086538bc68c21b6889d18a05ccdb203c3dd22c8d119548447bbb1e215bef68cada8af3bff0d9d9862ef9223 (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" ] } } }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00f7781097...798ee222
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "753d47ba1dff020e5f7c7f8f794f5c2d6a8d8ed7110cdfc649343e83218f5e5d", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00e08bde77...f302ac0e
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00f7781097293941c8861468cd79c865748148a4dd858544d2b471ab4b41178dedca12122012ad653111a513863505a512ffb173e20c0159748fb6360525b630a7798ee222", "hash": "753d47ba1dff020e5f7c7f8f794f5c2d6a8d8ed7110cdfc649343e83218f5e5d", "number": "18497", "timestamp": "1793738013", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a04431bf58ccaf9ab37f0bd6b608b2812267cecb3cacfc55959ffe5a5b7ed9f69ba01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "02f875830e4a258084a0eebb0084a0eebb1582520894fe3a99a761d9fd2b891231f561ed8fba1dd4db13880d…301cfac4dc848f436189b9a060594676f105b7bab3b74e3a21a0a862ba3fb54fbc545dfd63040102e95db6ba (120 bytes)", "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…af8711c81464597a4b73f7a02f9e079c55a61682ccbd7ffa2f0c68fb6ef466d0af5c4ea048f9da10cdf2f251 (112 bytes)", "f8ac80858bb2c970088259a294b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…48b99713ebc2487867071da027d1b80f409b1efaede93905722cd1c4c49fd5db3da1506cbb736a9b4db5d370 (174 bytes)", "f8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…d086538bc68c21b6889d18a05ccdb203c3dd22c8d119548447bbb1e215bef68cada8af3bff0d9d9862ef9223 (174 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:005137483e...b6bcea6d
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00e08bde77f87b211935b51f9dded05959a3948225e044a2063602628dc5db95f6ca12122073d989a89b4c8210277ff25127f8e754f90dd4ac1d57e367ecea0098f302ac0e", "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": "11002004249999991632767639.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }