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Canton Updates/12201e...6619
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #6,438

This Gateway_FinalizeBlock transaction built EVM block #6,438 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #6,438
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.1s

Block planned

Producer plans block #6438 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #6438

899ms
899ms

Committed on Canton

Participant commits update 12201e48ff…9a6619
—

Imported to the execution layers

Importer applies block #6438 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.1s
EVM
Canton
External call
Total
Complete899ms
899ms

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
#6,438
Block Hash
0x3bda6f8a...9ded3167
Block Timestamp
Nov 2, 2026, 21:31:01 UTC
Transactions
0xad840b5e...c8ee193c0xa253...30e5 → 0xd8d4...a5a6Success
0x857874ec...15b08c3a0xa860...3780 → 0xc7a1...0cdfSuccess
Overview
Update ID
12201e48ff...e79a6619
Offset
21129
Record Time
Nov 2, 2026, 21:31:01 UTC
Command ID
gw-64c9a5594...fc1d6818
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00b8cb2583...83481e24
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00d68449d9fd9ae1553d88afdd64176fc0fab0b8747e4215a4ad89e2873f25c5eeca121220262f1c098b8263b20a33a7d2e4209aa83ff69571bc6fb3412538b03fae98b704", "block": { "timestamp": { "unpack": "1793655061." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f879830e4a2582116d85188122883f85188122884782520894d8d4c25cb1c183c9134c000ecdba3bfd4691…8b67862df4aad111205339a026147b08dc611cb29ff308f2a0509af912322b8bcb71addee0fa497d3fc43f5a (124 bytes)", "f891078519bacaa8af8266ee94c7a134188f559ab49f6b3962352b71ac7b2a0cdf865af3107a4000a4758c30…e76f7afe70ac9ca2db44dfa07a1f9dfa05b504b0e8afe1dfa37f739c2c1e03ee1f14524b063cdfcea7043485 (147 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:00d68449d9...ae98b704
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "6d07e0f38b48d8394d1df87531c8125c994f8f5d615fd585953ffc72fc1d6818", "timestamp": { "unpack": "1793655061." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f879830e4a2582116d85188122883f85188122884782520894d8d4c25cb1c183c9134c000ecdba3bfd4691…8b67862df4aad111205339a026147b08dc611cb29ff308f2a0509af912322b8bcb71addee0fa497d3fc43f5a (124 bytes)", "f891078519bacaa8af8266ee94c7a134188f559ab49f6b3962352b71ac7b2a0cdf865af3107a4000a4758c30…e76f7afe70ac9ca2db44dfa07a1f9dfa05b504b0e8afe1dfa37f739c2c1e03ee1f14524b063cdfcea7043485 (147 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:00b7019c86...c7f775d4
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:002af3b13d...a8b20033
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "3bda6f8a29832daf628d16df6fc0ff87810d2738deeb4d00957061c69ded3167", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0018772e62...1307f082
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "002af3b13d04bc99d058787fa2d948aa60cf44a4ce2c3409b5b278c334845a4127ca1212200b9a5d5f9b4c0f02daa57f507748c39d60a28d5e5c6d7c3f1dc97949a8b20033", "hash": "3bda6f8a29832daf628d16df6fc0ff87810d2738deeb4d00957061c69ded3167", "number": "6438", "timestamp": "1793655061", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a06d07e0f38b48d8394d1df87531c8125c994f8f5d615fd585953ffc72fc1d6818a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "02f879830e4a2582116d85188122883f85188122884782520894d8d4c25cb1c183c9134c000ecdba3bfd4691…8b67862df4aad111205339a026147b08dc611cb29ff308f2a0509af912322b8bcb71addee0fa497d3fc43f5a (124 bytes)", "f891078519bacaa8af8266ee94c7a134188f559ab49f6b3962352b71ac7b2a0cdf865af3107a4000a4758c30…e76f7afe70ac9ca2db44dfa07a1f9dfa05b504b0e8afe1dfa37f739c2c1e03ee1f14524b063cdfcea7043485 (147 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:007c93c551...46d43f38
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "0018772e6243641c43b75a3cd457d5bdcd9756c979896314e530036398a643e6d2ca121220b224d77b97e996be92da4e01a8fd90f27c1eabffeb7212bf2113a5c11307f082", "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": "11002004249999997281555644.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }