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Canton Updates/122021...c84d
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #37,220

This Gateway_FinalizeBlock transaction built EVM block #37,220 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #37,220
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
596ms

Block planned

Producer plans block #37220 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #37220

477ms
477ms

Committed on Canton

Participant commits update 122021b6a9…28c84d
—

Imported to the execution layers

Importer applies block #37220 from GatewayHead

—
0ms
250ms
500ms
596ms
EVM
Canton
External call
Total
Complete477ms
477ms

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
#37,220
Block Hash
0x5c5e6ac0...f6e83aa9
Block Timestamp
Nov 5, 2026, 19:50:46 UTC
Transactions
0x3b7467eb...c3a040d10xfe3a...db13 → 0xf9b9...0c20Success
0x5899c185...8aff2ef70xb4f2...3f41 → 0xa276...16d2Success
Overview
Update ID
122021b6a9...de28c84d
Offset
119393
Record Time
Nov 5, 2026, 19:50:46 UTC
Command ID
gw-64c9a5594...eada33d1
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:009b8227fe...8c50f63b
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "0033331e390d02cda4bca578bdd593ee65d24e7d04241555f473f3adf80a1a50d5ca121220b463ce9e36464d41052168ead2c3f33314c3673fdc8e78306d59c84eb0e1a21c", "block": { "timestamp": { "unpack": "1793908246." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac80858bb2c970088259a294e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f1900000000…3b0f3f50f27518a8ca4b44a002670f5ec6d85f922f2eb3edae0c31c9ff7a457ce4ea0519f255fdca7fd7549b (174 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…7ea626310ce8bd8ccf2bc9a045ba7e3116d6dfd6f79bf1ae3cce6705bb7e820d6bbfe601a1da7b7cc539daa2 (141 bytes)", "f871821203858bb2c9700882520894f9b9a4dc691b9bc0e73fea0dca6d2add540f0c2088016345785d8a0000…66332a2014c0aa4fa7e5fea06ddf25942b3e57457b9fb668d436b9b16d7c31c3e427f3667e2dd1c751598636 (115 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": [] } }
0x9b541851...11c9fa740x5282...2859 → 0xe0a4...1b87Success
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0033331e39...b0e1a21c
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "acdcb7bff1ea29b288688b62af3b5104677ee8d425555d182bfe4d39eada33d1", "timestamp": { "unpack": "1793908246." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8ac80858bb2c970088259a294e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f1900000000…3b0f3f50f27518a8ca4b44a002670f5ec6d85f922f2eb3edae0c31c9ff7a457ce4ea0519f255fdca7fd7549b (174 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…7ea626310ce8bd8ccf2bc9a045ba7e3116d6dfd6f79bf1ae3cce6705bb7e820d6bbfe601a1da7b7cc539daa2 (141 bytes)", "f871821203858bb2c9700882520894f9b9a4dc691b9bc0e73fea0dca6d2add540f0c2088016345785d8a0000…66332a2014c0aa4fa7e5fea06ddf25942b3e57457b9fb668d436b9b16d7c31c3e427f3667e2dd1c751598636 (115 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:00dcb41b70...443fe9f2
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00e2d45cf2...c050beec
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "5c5e6ac008183a0c7bfbc5a0b3a69372c03ee1bb335df88b93afef81f6e83aa9", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0068bdd0b8...53497e33
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00e2d45cf2d81c1054129cd8acf0ee126c6d5da19407b417e1c08335a29b89cf34ca12122050258e1e9963af9f284507cd75c796f5c277e0e264057eff4da6e6f8c050beec", "hash": "5c5e6ac008183a0c7bfbc5a0b3a69372c03ee1bb335df88b93afef81f6e83aa9", "number": "37220", "timestamp": "1793908246", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a0acdcb7bff1ea29b288688b62af3b5104677ee8d425555d182bfe4d39eada33d1a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f8ac80858bb2c970088259a294e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f1900000000…3b0f3f50f27518a8ca4b44a002670f5ec6d85f922f2eb3edae0c31c9ff7a457ce4ea0519f255fdca7fd7549b (174 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…7ea626310ce8bd8ccf2bc9a045ba7e3116d6dfd6f79bf1ae3cce6705bb7e820d6bbfe601a1da7b7cc539daa2 (141 bytes)", "f871821203858bb2c9700882520894f9b9a4dc691b9bc0e73fea0dca6d2add540f0c2088016345785d8a0000…66332a2014c0aa4fa7e5fea06ddf25942b3e57457b9fb668d436b9b16d7c31c3e427f3667e2dd1c751598636 (115 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:002321cc37...f915159f
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "0068bdd0b8e880c51b03b05ac7f833577be3b1823748d7b596bb711f556cfb31b5ca1212204a79b98b635b6882d49786f7d011b77a0b7b696935a353fefcb5c5a553497e33", "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": "11002004249999984424887575.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }