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Canton Updates/1220a9...ea86
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #12,255

This Gateway_FinalizeBlock transaction built EVM block #12,255 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #12,255
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
736ms

Block planned

Producer plans block #12255 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #12255

589ms
589ms

Committed on Canton

Participant commits update 1220a9899c…99ea86
—

Imported to the execution layers

Importer applies block #12255 from GatewayHead

—
0ms
250ms
500ms
736ms
EVM
Canton
External call
Total
Complete589ms
589ms

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
#12,255
Block Hash
0x25b5c6aa...25757b0c
Block Timestamp
Nov 3, 2026, 05:03:51 UTC
Transactions
0xe0aa3b7c...bf6499990xa253...30e5 → 0x3cba...eb57Success
0x37e4b044...ff64b5ac0x8fb1...8268 → 0x0dfa...0ceeSuccess
Overview
Update ID
1220a9899c...bd99ea86
Offset
39491
Record Time
Nov 3, 2026, 05:03:51 UTC
Command ID
gw-64c9a5594...fb1c6901
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:006fd724a3...4982a479
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "006459a65a377a453d49a16b8a68c2430cec36292bb61925294baf7205b91c73c8ca1212204519b27d81aae105e4da946b7fe99aae1ad0e005d734a71cd5ef672eeda5fa5d", "block": { "timestamp": { "unpack": "1793682231." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86f819c85746a528807825208940dfaff92dd4e95edc958f5271753738285510cee872386f26fc100008083…2d85c92eba2986070f577ea025d346a74441d56d4f749ce9569198ddd82adfd14141300ef0d7f66b32273615 (113 bytes)", "02f879830e4a2582224e85746a52880085746a528808825208943cbabdb61eeea277221b57e7fa970190594b…af38e39e9c4e2ed7f7fb92a04eeb49983b4d01aa7cae9ae3cfcdc269951061640670661c87dde416b9902885 (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:006459a65a...eda5fa5d
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "8b8aa6e5e3ac00925214026e3f138c5135e3db763e7884d84ae1f0a5fb1c6901", "timestamp": { "unpack": "1793682231." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86f819c85746a528807825208940dfaff92dd4e95edc958f5271753738285510cee872386f26fc100008083…2d85c92eba2986070f577ea025d346a74441d56d4f749ce9569198ddd82adfd14141300ef0d7f66b32273615 (113 bytes)", "02f879830e4a2582224e85746a52880085746a528808825208943cbabdb61eeea277221b57e7fa970190594b…af38e39e9c4e2ed7f7fb92a04eeb49983b4d01aa7cae9ae3cfcdc269951061640670661c87dde416b9902885 (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:004dab8512...0af1b119
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00e5842428...79278010
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "25b5c6aa664e061fb9373d8e8deb38c7efca80496f2cb6a760b3f12d25757b0c", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00b8a0a83a...322d8dec
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00e584242819815cbe3ed0e4b67c228db38d362fd1cd18da644ab39d4b5fb45128ca121220f4a010096cd8c2c337aeef12794f77a96eb35c0016ded75bc8b7770279278010", "hash": "25b5c6aa664e061fb9373d8e8deb38c7efca80496f2cb6a760b3f12d25757b0c", "number": "12255", "timestamp": "1793682231", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a08b8aa6e5e3ac00925214026e3f138c5135e3db763e7884d84ae1f0a5fb1c6901a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f86f819c85746a528807825208940dfaff92dd4e95edc958f5271753738285510cee872386f26fc100008083…2d85c92eba2986070f577ea025d346a74441d56d4f749ce9569198ddd82adfd14141300ef0d7f66b32273615 (113 bytes)", "02f879830e4a2582224e85746a52880085746a528808825208943cbabdb61eeea277221b57e7fa970190594b…af38e39e9c4e2ed7f7fb92a04eeb49983b4d01aa7cae9ae3cfcdc269951061640670661c87dde416b9902885 (124 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00aeffba8e...fa71b6a9
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00b8a0a83afc216eacd9e52e770d93bf5c52bf17f06757356d0b4346b8fdc901c8ca121220251a86e1321ce1291ad391a89e1244ac0a0657fc4eaa1a27a26353f7322d8dec", "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": "11002004249999995517897419.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }