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Canton Updates/1220b3...30b9
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #37,340

This Gateway_FinalizeBlock transaction built EVM block #37,340 through the gateway-build-block external call and committed it with 4 transactions.

Block Lifecycle
block #37,340
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.1s

Block planned

Producer plans block #37340 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #37340

846ms
846ms

Committed on Canton

Participant commits update 1220b3ed7d…de30b9
—

Imported to the execution layers

Importer applies block #37340 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.1s
EVM
Canton
External call
Total
Complete846ms
846ms

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
#37,340
Block Hash
0x00c379d3...2d218bdb
Block Timestamp
Nov 5, 2026, 19:55:37 UTC
Transactions
0xc525503a...0cd313560x31de...a4ff → 0xa276...16d2Success
0x481d8443...cc7950860xd76b...4b98 → 0xa276...16d2Success
Overview
Update ID
1220b3ed7d...9fde30b9
Offset
119758
Record Time
Nov 5, 2026, 19:55:37 UTC
Command ID
gw-64c9a5594...329b3bbb
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00d8c555c0...751ec0a5
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00d8b3c7330859122e37591081f695bc98ff7477cf83fc3f22d98321980c9e12deca12122024dd3c3e79b9ca442af65366d9dd686356f667278f7ec9c6d91a1c995783123f", "block": { "timestamp": { "unpack": "1793908537." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…fbcab1d3f428fdb88f58f7a00e1e5f4931995fa204b7eaf18bb57b63c7f0d8cddaea11c4a750d4d47bbbcb5c (141 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…c7ef4f277756ec6a8a54e8a03c0fb8e764dc63180e87094aeee5d2136cc7c2d7c4ce567cc76b745e2986ff25 (111 bytes)", "f88b04858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…76d4b3631fc5cd41bace5da005f7c96427fc1236b043fa376bcdeb5b2fbdf55466f3988fb4f7e65d803bab9e (141 bytes)", "f8ac80858bb2c970088259a294b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…6db415223eeb41788bcc59a05f54287155cb0b09cb7cc17201c2d790fb84d9c976304bd428aac000d5db3742 (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": [] } }
0xe8bc743b...cbe36aa20x968a...b4d8 → 0x235d...3c8cSuccess
0x8af2a83d...b717d4200xffb8...a973 → 0xb778...3d80Success
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00d8b3c733...5783123f
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "fb4b75ce5e56ce8200543389544e812e51102c1726203b06570dd2a3329b3bbb", "timestamp": { "unpack": "1793908537." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…fbcab1d3f428fdb88f58f7a00e1e5f4931995fa204b7eaf18bb57b63c7f0d8cddaea11c4a750d4d47bbbcb5c (141 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…c7ef4f277756ec6a8a54e8a03c0fb8e764dc63180e87094aeee5d2136cc7c2d7c4ce567cc76b745e2986ff25 (111 bytes)", "f88b04858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…76d4b3631fc5cd41bace5da005f7c96427fc1236b043fa376bcdeb5b2fbdf55466f3988fb4f7e65d803bab9e (141 bytes)", "f8ac80858bb2c970088259a294b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…6db415223eeb41788bcc59a05f54287155cb0b09cb7cc17201c2d790fb84d9c976304bd428aac000d5db3742 (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:00ce6285b2...5b28b7da
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:0092b21647...28b8515f
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "00c379d30788b458978d95597f6533f607d192980605e69256aece402d218bdb", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00a784db06...c7758d97
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "0092b21647c1328849d132034d245b8a72cb2de453a36163a0aa9bfaceb62f0992ca121220328a0d8098e7ce682a39bc4233b8106c3079406eb26c249004e481d028b8515f", "hash": "00c379d30788b458978d95597f6533f607d192980605e69256aece402d218bdb", "number": "37340", "timestamp": "1793908537", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a0fb4b75ce5e56ce8200543389544e812e51102c1726203b06570dd2a3329b3bbba01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…fbcab1d3f428fdb88f58f7a00e1e5f4931995fa204b7eaf18bb57b63c7f0d8cddaea11c4a750d4d47bbbcb5c (141 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…c7ef4f277756ec6a8a54e8a03c0fb8e764dc63180e87094aeee5d2136cc7c2d7c4ce567cc76b745e2986ff25 (111 bytes)", "f88b04858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…76d4b3631fc5cd41bace5da005f7c96427fc1236b043fa376bcdeb5b2fbdf55466f3988fb4f7e65d803bab9e (141 bytes)", "f8ac80858bb2c970088259a294b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…6db415223eeb41788bcc59a05f54287155cb0b09cb7cc17201c2d790fb84d9c976304bd428aac000d5db3742 (174 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00504e29a7...bfca1e75
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00a784db06ad1b662b718f1d4a7a28d5c7522e9ab74591a2ae6dd844ad35cae4faca121220dd611df681c5993c096e09e2b51ab23b61fc7e1e2c6aa013197cdd48c7758d97", "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": "11002004249999984379336377.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }