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Canton Updates/122051...7baa
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #170,831

This Gateway_FinalizeBlock transaction built EVM block #170,831 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #170,831
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
819ms

Block planned

Producer plans block #170831 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #170831

655ms
655ms

Committed on Canton

Participant commits update 12205119a4…7b7baa
—

Imported to the execution layers

Importer applies block #170831 from GatewayHead

—
0ms
250ms
500ms
750ms
819ms
EVM
Canton
External call
Total
Complete655ms
655ms

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
#170,831
Block Hash
0xb0ca84dc...0f21b14c
Block Timestamp
Nov 12, 2026, 20:23:50 UTC
Transactions
0x3460f445...b09088030xe617...274c → 0xfd7c...4601Success
0x85443ab0...ec9ec5cb0xb5e7...8760 → 0x3df8...b1caSuccess
Overview
Update ID
12205119a4...137b7baa
Offset
530055
Record Time
Nov 12, 2026, 20:23:50 UTC
Command ID
gw-64c9a5594...1ce66ec5
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00b41b7c90...75861faa
Choice: Archive
Payload
{}
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
0x899a352b...6665bde90x69be...a565 → 0x23e5...229aSuccess
Contract:
00dd0bfcb9...279903d6
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00c1b48d753543491e48bf3164b25bbeb342b9da9bab4ce5a8bb91b8ff95bc7770ca121220f694bfd4c3d817b007180a99ddda38d557a12f9b649ed35eabdb28de37d5d3b5", "block": { "timestamp": { "unpack": "1794515030." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac0a853dfcbe44ca8259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…b15ccb14fe804da1f4ff6fa068e2231aad9b468541065fbfabe1f6d6f8a41f9ed54f4d74c95adcaab2e9a15b (174 bytes)", "02f876830e4a25820279843b9aca0e843b9aca0e825208943df8289419780c44a4148a477753c68c95abb1ca…891c5765c7758bde1e802fa07bfbb44d7a633d43ec70db92eb66237c110d28e164832c608344e519e8ddce6a (121 bytes)", "f86d05853dfcbe44ca82520894fd7c5c8feda660b336cea19f9f429bf2c7084601865af3107a400080831c94…5fbbd3664db73e32c8df1ba04825dcda9c534d27ad6044ebaaf59dd49e2dc5eb7e5bc03c0ff33a9518b43247 (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": [] } }
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00c1b48d75...37d5d3b5
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "2d04da73784c02ef5f2120902b671c266cd7eb76e985b46e74b57bda1ce66ec5", "timestamp": { "unpack": "1794515030." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac0a853dfcbe44ca8259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…b15ccb14fe804da1f4ff6fa068e2231aad9b468541065fbfabe1f6d6f8a41f9ed54f4d74c95adcaab2e9a15b (174 bytes)", "02f876830e4a25820279843b9aca0e843b9aca0e825208943df8289419780c44a4148a477753c68c95abb1ca…891c5765c7758bde1e802fa07bfbb44d7a633d43ec70db92eb66237c110d28e164832c608344e519e8ddce6a (121 bytes)", "f86d05853dfcbe44ca82520894fd7c5c8feda660b336cea19f9f429bf2c7084601865af3107a400080831c94…5fbbd3664db73e32c8df1ba04825dcda9c534d27ad6044ebaaf59dd49e2dc5eb7e5bc03c0ff33a9518b43247 (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" ] } } }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:0036563d8a...bdc01148
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "b0ca84dca815e6c764c9a2da48708914c0b709ea5139dac00b0de7d50f21b14c", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00c5d549f3...d1952cb9
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "0036563d8a15c9601f98f058f83048f8c0743e1973d5033129a9b300d953a1deb6ca1212202d164eba0123f3e85c46149ab5843b37a1ba42cc0019624ed8ae314bbdc01148", "hash": "b0ca84dca815e6c764c9a2da48708914c0b709ea5139dac00b0de7d50f21b14c", "number": "170831", "timestamp": "1794515030", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a02d04da73784c02ef5f2120902b671c266cd7eb76e985b46e74b57bda1ce66ec5a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "f8ac0a853dfcbe44ca8259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…b15ccb14fe804da1f4ff6fa068e2231aad9b468541065fbfabe1f6d6f8a41f9ed54f4d74c95adcaab2e9a15b (174 bytes)", "02f876830e4a25820279843b9aca0e843b9aca0e825208943df8289419780c44a4148a477753c68c95abb1ca…891c5765c7758bde1e802fa07bfbb44d7a633d43ec70db92eb66237c110d28e164832c608344e519e8ddce6a (121 bytes)", "f86d05853dfcbe44ca82520894fd7c5c8feda660b336cea19f9f429bf2c7084601865af3107a400080831c94…5fbbd3664db73e32c8df1ba04825dcda9c534d27ad6044ebaaf59dd49e2dc5eb7e5bc03c0ff33a9518b43247 (111 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:006cb560a0...83c0a983
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00c5d549f39118195e4064ea520085b2e65927d457034652138e57ac640ffdafd5ca1212206dc1b99612c1075ee71430b0b65ff98e7c33d2ee3ca6d8583bb58c6fd1952cb9", "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": "11002004249999854580458798.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }