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Canton Updates/1220b8...8fa2
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #16,416

This Gateway_FinalizeBlock transaction built EVM block #16,416 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #16,416
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.1s

Block planned

Producer plans block #16416 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #16416

840ms
840ms

Committed on Canton

Participant commits update 1220b852ec…088fa2
—

Imported to the execution layers

Importer applies block #16416 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.1s
EVM
Canton
External call
Total
Complete840ms
840ms

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
#16,416
Block Hash
0x485ed4db...8c9cdea8
Block Timestamp
Nov 3, 2026, 18:32:20 UTC
Transactions
0x4299e8bd...e3df284a0x3b85...bb01 → 0x235d...3c8cSuccess
0x15597e17...bef4d54a0x487e...e72a → 0xa276...16d2Success
Overview
Update ID
1220b852ec...49088fa2
Offset
53330
Record Time
Nov 3, 2026, 18:32:20 UTC
Command ID
gw-64c9a5594...e1ff5a2c
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:000f32d1d1...a293c81e
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00c63a79c70688855df03560024d84137011253e8b3b2811bca70c91e1660b3fbaca1212201bf817adcd34abf3251685c243e2918770f27969772eaebc7f2d09f48ce19f8f", "block": { "timestamp": { "unpack": "1793730740." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…b1614625beab3809932ee4a0336c587b4346aacf4909310fc93437865a4f13152986c02264e7837462244946 (112 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…2562d5d18c0f574499a273a07e784251100751c54ce9feb1b77e8e8dc85d90c040eb9c8f91e0152806675709 (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:00c63a79c7...8ce19f8f
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "93f224da3e52339c81e1b0c8969690c5f98d119b55b8ef856d00a0c4e1ff5a2c", "timestamp": { "unpack": "1793730740." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…b1614625beab3809932ee4a0336c587b4346aacf4909310fc93437865a4f13152986c02264e7837462244946 (112 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…2562d5d18c0f574499a273a07e784251100751c54ce9feb1b77e8e8dc85d90c040eb9c8f91e0152806675709 (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:00ef466b39...24107d6b
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00bedbf4f9...37d5ae3b
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "485ed4db2789392f0bd89072808faddd8aec42808200cc1a782d3bde8c9cdea8", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00b1977ccc...ba65b53f
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00bedbf4f90335f11a0265dd8e76b7e0d2e1fc48b87b17f3f1b283b4b8b28aa714ca1212207b70d495288491bde25b92387449e899096e749fab0bf0f24c09654c37d5ae3b", "hash": "485ed4db2789392f0bd89072808faddd8aec42808200cc1a782d3bde8c9cdea8", "number": "16416", "timestamp": "1793730740", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a093f224da3e52339c81e1b0c8969690c5f98d119b55b8ef856d00a0c4e1ff5a2ca01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "f86e02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…b1614625beab3809932ee4a0336c587b4346aacf4909310fc93437865a4f13152986c02264e7837462244946 (112 bytes)", "f88b01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…2562d5d18c0f574499a273a07e784251100751c54ce9feb1b77e8e8dc85d90c040eb9c8f91e0152806675709 (141 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00092e0b96...10c9597a
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00b1977ccc505c0e5c3f06c413ee57e4062576207e128d80f63a5c1e78ddefe0edca1212200abfe5935d1913bebb4adc177748d0d1b97ce676d7b7a86c9185d9e7ba65b53f", "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": "11002004249999992425347973.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }