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Canton Updates/12200a...6e8a
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #20,519

This Gateway_FinalizeBlock transaction built EVM block #20,519 through the gateway-build-block external call and committed it with 1 transaction.

Block Lifecycle
block #20,519
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
874ms

Block planned

Producer plans block #20519 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #20519

699ms
699ms

Committed on Canton

Participant commits update 12200adafb…df6e8a
—

Imported to the execution layers

Importer applies block #20519 from GatewayHead

—
0ms
250ms
500ms
750ms
874ms
EVM
Canton
External call
Total
Complete699ms
699ms

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
#20,519
Block Hash
0x895ba70b...97589478
Block Timestamp
Nov 4, 2026, 00:56:37 UTC
Transactions
0xb575a4f4...a2ae7f1f0x975d...e4d1 → 0x9dac...abaeSuccess
Overview
Update ID
12200adafb...d4df6e8a
Offset
66395
Record Time
Nov 4, 2026, 00:56:37 UTC
Command ID
gw-64c9a5594...81c39309
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00a9e002b4...605a30ba
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "005f97ea86944ec8e535744a9c9ebadcd3e518bf88365eecf0458d9f05be3e2279ca1212201e34205737b0426807d2cf0f0e6894c197f417b4d7c7a6f99924bd66006a2137", "block": { "timestamp": { "unpack": "1793753797." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f872830e4a2504843b9aca0084b2d05e0083030d40949dac4e950b558e03c43c60c7665a3c772945abae80…2f5832d2e7880058538384a04aad065d671fc785cc935f8aa2448ecbf3409c7cab111780472c3eae19c28004 (117 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:005f97ea86...006a2137
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "3aea57e62e17a5a25cc532d3bbea7b2dcf240947b343513770c06de881c39309", "timestamp": { "unpack": "1793753797." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f872830e4a2504843b9aca0084b2d05e0083030d40949dac4e950b558e03c43c60c7665a3c772945abae80…2f5832d2e7880058538384a04aad065d671fc785cc935f8aa2448ecbf3409c7cab111780472c3eae19c28004 (117 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:00ff0577b6...f8e5b404
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:0018c8e370...6f9458cd
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "895ba70bf5db13d31e19991be11d306523fa990c704dd05a48b45bc897589478", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0047b23f19...d89bc0bf
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "0018c8e3705555d14cdf8cd7be2bd3b36ba8fed9b5b69749c4d2832a03f9eb421aca121220fcab3ca797460b38a1c39b4ce6bc06e1f33c6a5b629afcd8ac026b446f9458cd", "hash": "895ba70bf5db13d31e19991be11d306523fa990c704dd05a48b45bc897589478", "number": "20519", "timestamp": "1793753797", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a03aea57e62e17a5a25cc532d3bbea7b2dcf240947b343513770c06de881c39309a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "02f872830e4a2504843b9aca0084b2d05e0083030d40949dac4e950b558e03c43c60c7665a3c772945abae80…2f5832d2e7880058538384a04aad065d671fc785cc935f8aa2448ecbf3409c7cab111780472c3eae19c28004 (117 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:006e683904...ad7ff3f7
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "0047b23f197efb0abd62a10b6f0456f46324c5d400d5a370f075e6af3f8577e6d5ca12122033b3f49c4575c3a11841c67045315cb2a7691143d213e364bfd66d96d89bc0bf", "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": "11002004249999991074459980.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }