Canton Update

Canton Ledger Transaction

Canton

This Gateway_FinalizeBlock transaction built EVM block #168,719 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle

block #168,719

EVM block settled on CantonGateway · Gateway_FinalizeBlock

0ms

250ms

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750ms

1.0s

1.1s

Block planned

Producer plans block #168719 (block timestamp)

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Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #168719

916ms

Committed on Canton

Participant commits update 12209a8b28…4c305d

—

Imported to the execution layers

Importer applies block #168719 from GatewayHead

—

0ms

250ms

500ms

750ms

1.0s

1.1s

EVM

Canton

External call

Total

Complete916ms

916ms

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

#168,719

Block Hash

0x03670b57...3308078f

Block Timestamp

Nov 12, 2026, 18:43:11 UTC

Transactions

0xeeffe0c7...8e07c4270xe84c...87a8 → 0xca1f...6b6fSuccess

0x4e08eb8f...2ba22a850x8418...0202 → 0xadff...e21aSuccess

Overview

Update ID

12209a8b28...2a4c305d

Offset

523618

Record Time

Nov 12, 2026, 18:43:11 UTC

Command ID

gw-64c9a5594...3019e109

Synchronizer ID

devnet::1220...dbf9acf2

Events (6)

createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway

Contract:00f257fc13...ef0cd4bd

Payload

{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00ecb98717d42b4ec29123d2ef58047a7527c7228e6054e98043130fc68e401e77ca121220f117669263bb4fd8ab3c28519e3489e7bde0f6a50a8933e253d7d682765abe85", "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": "11002004249999856542832113.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }

exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway

Contract:005cd71067...3e09f925

Choice: Gateway_FinalizeBlock

Payload

{ "headCid": "00019fd069210dcbfcc62f72bbc50d0ffb43ba5a640d88c4dc6682ecf9d0322068ca1212206fd44ae6b9f919a885f85d277268ad5d8607438a58bf4aa2ffc35d2f06898f97", "block": { "timestamp": { "unpack": "1794508991." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ab5c8459682f00827e9094adffd5887c5c6de7cfe71530daeeddfb1496e21a80b844a9059cbb0000000000…3de6759e27981fd53ba872a05186ba60436a9ea7ae7bd6c7c28824f7c667d0cae8f5f0fb445aa596a18c6c3d (173 bytes)", "02f874830e4a2509843b9aca0e843b9aca0e82520894ca1f7fbc06601978ec7e2f0defa1d6c5b1096b6f8702…36da4e9cb4f1fa15eabb0ea03378bd66f98d8d55a5cf2aa93169785f10b443d6cff441c7b5e3ffd1587dae88 (119 bytes)", "f8ac0f858bb2c9700882598394b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…882433270283c686eaff8ea036f7933d33871b07e7700da3abdd60186c5166fea1738df988cdd1ba87c997f4 (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:00019fd069...06898f97

Choice: GatewayHead_Finalize

Payload

{ "input": { "parentHash": "06815d343baae574d65ee118e151a0b5706d593bb728aae559e785f53019e109", "timestamp": { "unpack": "1794508991." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ab5c8459682f00827e9094adffd5887c5c6de7cfe71530daeeddfb1496e21a80b844a9059cbb0000000000…3de6759e27981fd53ba872a05186ba60436a9ea7ae7bd6c7c28824f7c667d0cae8f5f0fb445aa596a18c6c3d (173 bytes)", "02f874830e4a2509843b9aca0e843b9aca0e82520894ca1f7fbc06601978ec7e2f0defa1d6c5b1096b6f8702…36da4e9cb4f1fa15eabb0ea03378bd66f98d8d55a5cf2aa93169785f10b443d6cff441c7b5e3ffd1587dae88 (119 bytes)", "f8ac0f858bb2c9700882598394b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…882433270283c686eaff8ea036f7933d33871b07e7700da3abdd60186c5166fea1738df988cdd1ba87c997f4 (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.Gateway:GatewayHead

Contract:00ecb98717...765abe85

Payload