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Canton Updates/1220e2...b5bd
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #37,897

This Gateway_FinalizeBlock transaction built EVM block #37,897 through the gateway-build-block external call and committed it with 4 transactions.

Block Lifecycle
block #37,897
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.2s

Block planned

Producer plans block #37897 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #37897

986ms
986ms

Committed on Canton

Participant commits update 1220e297d8…e9b5bd
—

Imported to the execution layers

Importer applies block #37897 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.2s
EVM
Canton
External call
Total
Complete986ms
986ms

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
#37,897
Block Hash
0xe4ebcfc3...41baa1fb
Block Timestamp
Nov 5, 2026, 20:17:37 UTC
Transactions
0x404715e4...f75955f90x550b...b20c → 0x51be...67edSuccess
0x526f0284...8810383e0xdde5...f29b → 0x235d...3c8cSuccess
Overview
Update ID
1220e297d8...2ae9b5bd
Offset
121451
Record Time
Nov 5, 2026, 20:17:37 UTC
Command ID
gw-64c9a5594...e064348d
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00afc03b20...cb9bb28d
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00941d9546b6562ace7c7440ac68388cbf9dd836c3cc0221331448d189c14a8a1bca1212204bd12eb348080514741d64674c4ed78506dc5b85c20245bc24c72a116a80f6f6", "block": { "timestamp": { "unpack": "1793909857." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac80858bb2c970088259a29451be323af717fdc9555254a39fe99a0cbce167ed80b84440c10f1900000000…883b8730535957df8e8358a0170e829b761f3a1cc039cdc3f6ecb70ee89cfa3103d3b063b5b31ab6e76c7076 (174 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…8b23063ba81d4f6f6030b3a0700a486326557a95deca7594ab9ebbe71ec3623ea76c4d9a75c46104073f65a0 (141 bytes)", "f8ac80858bb2c970088259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f1900000000…0d76cfd645ac22bdfe7794a02ab9f6ea35129f65ef25823a62f67b82e3c4f0452245cae90bcde4470a7d702d (174 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…c9db9af49429a3c81d08aba004abf074f11fa58c690240166d21d14cdcf721f9b6b59fbc536a7b97ae5616e5 (111 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": [] } }
0x68935f07...e5c41b940xbf43...cbcb → 0xa276...16d2Success
0xad06b1a5...5624f9da0xc70f...6020 → 0x5345...9be7Success
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00941d9546...6a80f6f6
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "dc3010240626b6b4e226c8403cff4ea885f0aeea3bf7f5663c0766a2e064348d", "timestamp": { "unpack": "1793909857." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac80858bb2c970088259a29451be323af717fdc9555254a39fe99a0cbce167ed80b84440c10f1900000000…883b8730535957df8e8358a0170e829b761f3a1cc039cdc3f6ecb70ee89cfa3103d3b063b5b31ab6e76c7076 (174 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…8b23063ba81d4f6f6030b3a0700a486326557a95deca7594ab9ebbe71ec3623ea76c4d9a75c46104073f65a0 (141 bytes)", "f8ac80858bb2c970088259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f1900000000…0d76cfd645ac22bdfe7794a02ab9f6ea35129f65ef25823a62f67b82e3c4f0452245cae90bcde4470a7d702d (174 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…c9db9af49429a3c81d08aba004abf074f11fa58c690240166d21d14cdcf721f9b6b59fbc536a7b97ae5616e5 (111 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:00ea62c5a7...36e0b05e
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00e4dc1f38...cdb9ebe0
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "e4ebcfc3a4a8b3e806aebe0592e074b92dfc13eab5d729004ca80cdd41baa1fb", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00b42e2b15...6ab1b164
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00e4dc1f385c0bcfe6e7c543f7048c197c92fce05fd4ac722f285d410eb50640fbca121220865ca9043909585b32d36fcb1779ba247f6dd5e99159a681625a8309cdb9ebe0", "hash": "e4ebcfc3a4a8b3e806aebe0592e074b92dfc13eab5d729004ca80cdd41baa1fb", "number": "37897", "timestamp": "1793909857", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a0dc3010240626b6b4e226c8403cff4ea885f0aeea3bf7f5663c0766a2e064348da01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "f8ac80858bb2c970088259a29451be323af717fdc9555254a39fe99a0cbce167ed80b84440c10f1900000000…883b8730535957df8e8358a0170e829b761f3a1cc039cdc3f6ecb70ee89cfa3103d3b063b5b31ab6e76c7076 (174 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…8b23063ba81d4f6f6030b3a0700a486326557a95deca7594ab9ebbe71ec3623ea76c4d9a75c46104073f65a0 (141 bytes)", "f8ac80858bb2c970088259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f1900000000…0d76cfd645ac22bdfe7794a02ab9f6ea35129f65ef25823a62f67b82e3c4f0452245cae90bcde4470a7d702d (174 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…c9db9af49429a3c81d08aba004abf074f11fa58c690240166d21d14cdcf721f9b6b59fbc536a7b97ae5616e5 (111 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00e7df901d...fad9df3a
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00b42e2b15aacb7ca6e495bcd8660eb9ac151e1b57bf3df5bb7fa0c26514025808ca121220b88760e04f04359231ee2ac380c379337cc7af0a88d3f2e419f288a26ab1b164", "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": "11002004249999984182149863.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }