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Canton Updates/1220ed...b88b
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #300

This Gateway_FinalizeBlock transaction built EVM block #300 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #300
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
1.0s
2.0s
3.0s
4.0s
5.0s
5.3s

Block planned

Producer plans block #300 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #300

4.2s
4.2s

Committed on Canton

Participant commits update 1220ed99ea…f0b88b
—

Imported to the execution layers

Importer applies block #300 from GatewayHead

—
0ms
1.0s
2.0s
3.0s
4.0s
5.0s
5.3s
EVM
Canton
External call
Total
Complete4.2s
4.2s

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
#300
Block Hash
0xeda38269...4c6fe4ff
Block Timestamp
Nov 2, 2026, 12:06:15 UTC
Transactions
0x2f66c958...b6e341690x27ab...4986 → 0x27ab...4986Success
0x4d5bc39f...2355a3dd0x1887...9de2 → 0x5647...9c0dSuccess
Overview
Update ID
1220ed99ea...0ff0b88b
Offset
1596
Record Time
Nov 2, 2026, 12:06:19 UTC
Command ID
gw-64c9a5594...d7a0306c
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00a8af5c46...5c4bca67
Choice: Archive
Payload
{}
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:
009f86add1...3616862d
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "0099ad3783cd44042553956b9655242d171e64d7c7a6c46b66347d3b5d8320b178ca1212205d218e04182f27eca1d5435f77e8ff9c162092eef8287c0fb061e8fc5d914c7e", "block": { "timestamp": { "unpack": "1793621175." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac028476035bcb83011e39945647b1ec90c3abe593c80cd9e674178387a89c0d80b84440c10f1900000000…8eab9860bf4d2c6157b558a02d38c066e401da31fcb159ccf587c1c8591798be9c33ea40118c70f6216ff054 (174 bytes)", "02f86d830e4a25148476035bc484b19e25c48252089427ab051371054dcbb4c0aee315d9507b77c049868080…74dcbd86ed5ea3253d8464a03159335958091b0a87ae14cef85c633dfd0251a2b1ffdd1ae11e95fa759adb26 (112 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:0099ad3783...5d914c7e
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "eb592eddb48293eef3b00a0435f4e62f6010eeaf643008fd90b72419d7a0306c", "timestamp": { "unpack": "1793621175." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac028476035bcb83011e39945647b1ec90c3abe593c80cd9e674178387a89c0d80b84440c10f1900000000…8eab9860bf4d2c6157b558a02d38c066e401da31fcb159ccf587c1c8591798be9c33ea40118c70f6216ff054 (174 bytes)", "02f86d830e4a25148476035bc484b19e25c48252089427ab051371054dcbb4c0aee315d9507b77c049868080…74dcbd86ed5ea3253d8464a03159335958091b0a87ae14cef85c633dfd0251a2b1ffdd1ae11e95fa759adb26 (112 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:0074c8e763...904d2f81
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "eda3826977f4b1b9f3c1408c087bb39737636bcb123def3de6e22fcf4c6fe4ff", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:001607539b...6737bbf3
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "0074c8e763a9b42e117e796ee177d5fbf20aaadd273afaa48c9d925859e7eeaa7eca121220c7aa7faa7aacd5a82969a6e560d22254ab2b12820f64dfcf0367af8c904d2f81", "hash": "eda3826977f4b1b9f3c1408c087bb39737636bcb123def3de6e22fcf4c6fe4ff", "number": "300", "timestamp": "1793621175", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a0eb592eddb48293eef3b00a0435f4e62f6010eeaf643008fd90b72419d7a0306ca01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "f8ac028476035bcb83011e39945647b1ec90c3abe593c80cd9e674178387a89c0d80b84440c10f1900000000…8eab9860bf4d2c6157b558a02d38c066e401da31fcb159ccf587c1c8591798be9c33ea40118c70f6216ff054 (174 bytes)", "02f86d830e4a25148476035bc484b19e25c48252089427ab051371054dcbb4c0aee315d9507b77c049868080…74dcbd86ed5ea3253d8464a03159335958091b0a87ae14cef85c633dfd0251a2b1ffdd1ae11e95fa759adb26 (112 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:006e4e415f...67542c57
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "001607539b1b7cde5dcfd8d0cd810a1826e86b5deb7db49311bc83df8eba19fb07ca1212205b485df5bfd0fd48951893df2ce55dae92e793a3f2865fa30345b3c46737bbf3", "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": "11002004250000000849781998.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }