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Canton Updates/122031...77b6
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #18,916

This Gateway_FinalizeBlock transaction built EVM block #18,916 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #18,916
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
2.0s
2.5s
2.6s

Block planned

Producer plans block #18916 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #18916

2.1s
2.1s

Committed on Canton

Participant commits update 122031a5ae…6977b6
—

Imported to the execution layers

Importer applies block #18916 from GatewayHead

—
0ms
500ms
1.0s
1.5s
2.0s
2.5s
2.6s
EVM
Canton
External call
Total
Complete2.1s
2.1s

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
#18,916
Block Hash
0x49c46644...5486fc3c
Block Timestamp
Nov 3, 2026, 21:04:39 UTC
Transactions
0x7e37006d...fcf997d70x53fa...9b02 → 0xe7c9...cfeaSuccess
0x00c8cc86...d3bc1ab80xd3b6...d3bc → 0xa276...16d2Success
Overview
Update ID
122031a5ae...4f6977b6
Offset
61134
Record Time
Nov 3, 2026, 21:04:41 UTC
Command ID
gw-64c9a5594...083df7c1
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:0098b66719...1cdddf9a
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00bb8bfcf9f461fda5c46b2220c0c353a8266e12538dd4d0d420b9c205e0e35feaca1212200375ddbfc462fb76a6662666dbd66a0e1a7c84263a1edb836cea9ee61d890d6b", "block": { "timestamp": { "unpack": "1793739879." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f871830e4a2505843b9aca00843b9aca1582a0dc94e7c94e921de96f9082216637ab568f0dad84cfea8084…3523c423ddd3779d79e9b6a0276bf814188afcc106b2cabf24e0864c06dc89c3a3e45239af7c285a0212b98e (116 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…1faf599594a2b55fb9154ea04adafdf0aabb4fabaf5c2551291f2957f629116272f6b39fa50b73580e5c23b9 (141 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:00bb8bfcf9...1d890d6b
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "804122e9eabc1e2c364f22403a5bd2b848f4e96a4d58fda8ea993038083df7c1", "timestamp": { "unpack": "1793739879." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f871830e4a2505843b9aca00843b9aca1582a0dc94e7c94e921de96f9082216637ab568f0dad84cfea8084…3523c423ddd3779d79e9b6a0276bf814188afcc106b2cabf24e0864c06dc89c3a3e45239af7c285a0212b98e (116 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…1faf599594a2b55fb9154ea04adafdf0aabb4fabaf5c2551291f2957f629116272f6b39fa50b73580e5c23b9 (141 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:00df24d68d...ff66db1c
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:007310b2eb...d7b2d6be
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "49c4664458f18d30222bb05582bc76e7ebd570153ad04871230a14515486fc3c", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:006576f60b...f20971d7
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "007310b2ebf9523d506fff449527b3b93c9f4ad02062e06c3ebde67cb5f7676a65ca121220b8a74bb85420528cae644fb70f8b23b52e7d0811b792183c25d3caa6d7b2d6be", "hash": "49c4664458f18d30222bb05582bc76e7ebd570153ad04871230a14515486fc3c", "number": "18916", "timestamp": "1793739879", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a0804122e9eabc1e2c364f22403a5bd2b848f4e96a4d58fda8ea993038083df7c1a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "02f871830e4a2505843b9aca00843b9aca1582a0dc94e7c94e921de96f9082216637ab568f0dad84cfea8084…3523c423ddd3779d79e9b6a0276bf814188afcc106b2cabf24e0864c06dc89c3a3e45239af7c285a0212b98e (116 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…1faf599594a2b55fb9154ea04adafdf0aabb4fabaf5c2551291f2957f629116272f6b39fa50b73580e5c23b9 (141 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00da74f213...20ccbbc6
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "006576f60bcc528c85fdbae0feb1ce1eb2bfab56d84fb7e0aff34013c8f0f36df4ca1212205988be7d8914eee53631a8398f4b558e5b5c20f8a4a504f000881e65f20971d7", "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": "11002004249999991534466527.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }