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Canton Updates/122012...ac3b
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #16,007

This Gateway_FinalizeBlock transaction built EVM block #16,007 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #16,007
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
1.9s

Block planned

Producer plans block #16007 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #16007

1.5s
1.5s

Committed on Canton

Participant commits update 1220129540…5dac3b
—

Imported to the execution layers

Importer applies block #16007 from GatewayHead

—
0ms
500ms
1.0s
1.5s
1.9s
EVM
Canton
External call
Total
Complete1.5s
1.5s

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
#16,007
Block Hash
0x270f7c3a...b8df17f5
Block Timestamp
Nov 3, 2026, 18:01:44 UTC
Transactions
0xd1b3616b...3bd5c8060xca72...0fb3 → 0x235d...3c8cSuccess
0xa94bbeb8...2ec377c10x8fb1...8268 → 0x0dfa...0ceeSuccess
Overview
Update ID
1220129540...7c5dac3b
Offset
52043
Record Time
Nov 3, 2026, 18:01:45 UTC
Command ID
gw-64c9a5594...5141c0d9
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00a19605a8...83d7e43e
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "0062e05bef183c6789cf8705993933b51a7834abf25cbf8128b77d85d09c847855ca1212204214cc68f0fe2d03dc51518135fa771b27ca6396d31c19cebb79c43dbe5ccd68", "block": { "timestamp": { "unpack": "1793728904." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8708201338523df4cec8d825208940dfaff92dd4e95edc958f5271753738285510cee872386f26fc1000080…9fd1a3be44ca04b91084bda065976afbcd2ef40283cdd81ec97f62721b83db65d521b2365bdd59302d970aad (114 bytes)", "f86e02852b0bf5e8a982520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…0a2a50a1a6a0d8fca75edfa0565e7cd08a7f88dfc2b518b16ce6c242d28b7ff4c388651ef21acb201f26f9fe (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:0062e05bef...be5ccd68
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "86e625759353906cc461feb1ec903bd0d446454073e0e4310f710b525141c0d9", "timestamp": { "unpack": "1793728904." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f8708201338523df4cec8d825208940dfaff92dd4e95edc958f5271753738285510cee872386f26fc1000080…9fd1a3be44ca04b91084bda065976afbcd2ef40283cdd81ec97f62721b83db65d521b2365bdd59302d970aad (114 bytes)", "f86e02852b0bf5e8a982520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…0a2a50a1a6a0d8fca75edfa0565e7cd08a7f88dfc2b518b16ce6c242d28b7ff4c388651ef21acb201f26f9fe (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" ] } } }
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:007e1ead0c...f7c181aa
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00b3274fbe...1104585f
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "270f7c3a73a928b553fab400765432cdd33103aaa9b708118414141ab8df17f5", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0082af6f92...ad3cb9fa
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00b3274fbefe48de966e8c6725590b5adad888262d69be3e945238a2ed9da7c928ca1212207f9d26a2984a7a26fc0eb68d3058b332461021ce10b6cbcd3fe68d681104585f", "hash": "270f7c3a73a928b553fab400765432cdd33103aaa9b708118414141ab8df17f5", "number": "16007", "timestamp": "1793728904", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a086e625759353906cc461feb1ec903bd0d446454073e0e4310f710b525141c0d9a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f8708201338523df4cec8d825208940dfaff92dd4e95edc958f5271753738285510cee872386f26fc1000080…9fd1a3be44ca04b91084bda065976afbcd2ef40283cdd81ec97f62721b83db65d521b2365bdd59302d970aad (114 bytes)", "f86e02852b0bf5e8a982520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…0a2a50a1a6a0d8fca75edfa0565e7cd08a7f88dfc2b518b16ce6c242d28b7ff4c388651ef21acb201f26f9fe (112 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00539b1d04...499a0191
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "0082af6f9265168ec55ade71eacccf6ffc7a7ff42029231bca6d77fa99483773c2ca12122036a3e3bbde9dadfe93f894c759519d2fcdb12d622f31efbe60499e0cad3cb9fa", "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": "11002004249999992528418878.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }