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Canton Updates/122055...9d59
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #3,637

This Gateway_FinalizeBlock transaction built EVM block #3,637 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #3,637
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.2s

Block planned

Producer plans block #3637 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #3637

999ms
999ms

Committed on Canton

Participant commits update 12205531d4…a49d59
—

Imported to the execution layers

Importer applies block #3637 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.2s
EVM
Canton
External call
Total
Complete999ms
999ms

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
#3,637
Block Hash
0x8a81d62c...a3f54fc9
Block Timestamp
Nov 2, 2026, 18:01:26 UTC
Transactions
0xa4ba6e6b...b2db21590xa253...30e5 → 0xe561...8df5Success
0xfa6cd431...b4d7cc740x4c06...f4fa → 0xe3df...d2f8Success
Overview
Update ID
12205531d4...07a49d59
Offset
12306
Record Time
Nov 2, 2026, 18:01:26 UTC
Command ID
gw-64c9a5594...0a476b1b
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00f8095a2a...99a6d22a
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "004b98908953ce6fae7bae93b9b884a5f0908b2b85b467e8b7488b094f70926f09ca1212206a0d17655831c5a002d460c41f125463d097b61f78fca2bc4efed809ffb92bca", "block": { "timestamp": { "unpack": "1793642486." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88c068519bacaa8af830178c194e3dfaa231a9fe04fe466c52a597157e6c6d9d2f880a46a62784200000000…71adadd3a7ed4d168c27c1a062be164d32a76f4a0440e0cb0a25845196724380c7e4300dd409a975466b2caf (142 bytes)", "02f879830e4a2582099285188122883f85188122884782520894e561c39125ee10f11dd37a3492f66e0e3632…71736dfe56a1c3399aef8ba06a6b9935164ddc7d51d21dec40544c2147272a93792331226bd573dca0033af7 (124 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:004b989089...ffb92bca
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "3387bd54b09b037f252c7d04b22001c04a28349b595930d408de449b0a476b1b", "timestamp": { "unpack": "1793642486." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88c068519bacaa8af830178c194e3dfaa231a9fe04fe466c52a597157e6c6d9d2f880a46a62784200000000…71adadd3a7ed4d168c27c1a062be164d32a76f4a0440e0cb0a25845196724380c7e4300dd409a975466b2caf (142 bytes)", "02f879830e4a2582099285188122883f85188122884782520894e561c39125ee10f11dd37a3492f66e0e3632…71736dfe56a1c3399aef8ba06a6b9935164ddc7d51d21dec40544c2147272a93792331226bd573dca0033af7 (124 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:00f725df6c...b294633e
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00dc4cea64...7992a9ed
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "8a81d62cc8151ef543d26be9a761e6acc708a4da72e9de796294c2bda3f54fc9", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:009ef81002...424cd462
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00dc4cea64a1cd522d543ef987865702ab2af914f73106696c0c7f3784f6743d91ca12122065e4523f1a67e6313bc2c1902ba4ed858c082c921f488b36a33e67cd7992a9ed", "hash": "8a81d62cc8151ef543d26be9a761e6acc708a4da72e9de796294c2bda3f54fc9", "number": "3637", "timestamp": "1793642486", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a03387bd54b09b037f252c7d04b22001c04a28349b595930d408de449b0a476b1ba01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "f88c068519bacaa8af830178c194e3dfaa231a9fe04fe466c52a597157e6c6d9d2f880a46a62784200000000…71adadd3a7ed4d168c27c1a062be164d32a76f4a0440e0cb0a25845196724380c7e4300dd409a975466b2caf (142 bytes)", "02f879830e4a2582099285188122883f85188122884782520894e561c39125ee10f11dd37a3492f66e0e3632…71736dfe56a1c3399aef8ba06a6b9935164ddc7d51d21dec40544c2147272a93792331226bd573dca0033af7 (124 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00de46688d...0dccf649
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "009ef8100260e0c452cae53cea3e50097a214330a4b5b469c2192a83f47fa9e443ca121220a390aed0e6029103bf00c0a9df3c8fbcbdd58048707b6705edcd5239424cd462", "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": "11002004249999998904439123.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }