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Canton Updates/122020...6ca2
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #39,540

This Gateway_FinalizeBlock transaction built EVM block #39,540 through the gateway-build-block external call and committed it with 4 transactions.

Block Lifecycle
block #39,540
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
684ms

Block planned

Producer plans block #39540 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #39540

547ms
547ms

Committed on Canton

Participant commits update 122020a4c7…d26ca2
—

Imported to the execution layers

Importer applies block #39540 from GatewayHead

—
0ms
250ms
500ms
684ms
EVM
Canton
External call
Total
Complete547ms
547ms

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
#39,540
Block Hash
0xff2a8db2...e7cad4d7
Block Timestamp
Nov 5, 2026, 21:23:51 UTC
Transactions
0x0885fb84...d58dabb30x0591...eb3b → 0xa276...16d2Success
0x993b2965...5407d3440xfb2d...5b8c → 0x235d...3c8cSuccess
Overview
Update ID
122020a4c7...22d26ca2
Offset
126446
Record Time
Nov 5, 2026, 21:23:51 UTC
Command ID
gw-64c9a5594...6ca789e4
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00f3f95e5b...62f0c978
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00a64de36c1f8cb20a01c4a6a968ec8cea29803297de4a677bc3e54cc1173cb68fca121220e1aea0d47627146b6fc1a85aea483fa1b0ae39d31446fe7bffc9065d60acfe96", "block": { "timestamp": { "unpack": "1793913831." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88a01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…968fdba3ffce79b57d205d509fd64334876fd30cdc30e1a538554f540846fe2463c1029a1bc5c256a0d7e80a (140 bytes)", "f8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…7a5a493368f30748d80498a00a2abf66e91a8da5a93135cec98a2544e0df22af36df5588b0bd03280e40fd0d (174 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…9697835cd7f42ea8c7f1c6a01cde6e8251e18698266e589a50cd4980a059f6d958a7c76dd1af924f38e64429 (111 bytes)", "f8718216ea858bb2c97008825208941dce053c3f250f5324db031c309a405024c5d6d288016345785d8a0000…91ff62a73803566bc98adda04e8c6cf170bb86c32f2828e9e56461dfbe6738730313b235b116cdc68fac07f9 (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": [] } }
0x858ad218...06a0adfd0xe8c7...6240 → 0x23e5...229aSuccess
0x52601332...e140692f0xfe3a...db13 → 0x1dce...d6d2Success
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00a64de36c...60acfe96
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "891c9fddfd96e8b2adc2e1ed2b51b070920fb9cd22cb664a6107bccb6ca789e4", "timestamp": { "unpack": "1793913831." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f88a01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…968fdba3ffce79b57d205d509fd64334876fd30cdc30e1a538554f540846fe2463c1029a1bc5c256a0d7e80a (140 bytes)", "f8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…7a5a493368f30748d80498a00a2abf66e91a8da5a93135cec98a2544e0df22af36df5588b0bd03280e40fd0d (174 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…9697835cd7f42ea8c7f1c6a01cde6e8251e18698266e589a50cd4980a059f6d958a7c76dd1af924f38e64429 (111 bytes)", "f8718216ea858bb2c97008825208941dce053c3f250f5324db031c309a405024c5d6d288016345785d8a0000…91ff62a73803566bc98adda04e8c6cf170bb86c32f2828e9e56461dfbe6738730313b235b116cdc68fac07f9 (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:00432db479...9498d686
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:007d870cc2...527339d7
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "ff2a8db27a282794e18f05140199c52e6ededd84901e9f5c08a61b81e7cad4d7", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00a33f3a1f...2a8f583f
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "007d870cc2c092c337cb404faa8ac4ab4be847affb95435baf83dae9f3aee969cbca121220d0db9cd7948263425e3295bfc0baa1fc381960a04242a793ebcf973a527339d7", "hash": "ff2a8db27a282794e18f05140199c52e6ededd84901e9f5c08a61b81e7cad4d7", "number": "39540", "timestamp": "1793913831", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a0891c9fddfd96e8b2adc2e1ed2b51b070920fb9cd22cb664a6107bccb6ca789e4a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "f88a01858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…968fdba3ffce79b57d205d509fd64334876fd30cdc30e1a538554f540846fe2463c1029a1bc5c256a0d7e80a (140 bytes)", "f8ac80858bb2c970088259a29423e5dee888c67549a750290c1ba14a94c855229a80b84440c10f1900000000…7a5a493368f30748d80498a00a2abf66e91a8da5a93135cec98a2544e0df22af36df5588b0bd03280e40fd0d (174 bytes)", "f86d02858bb2c9700882520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c865af3107a400080831c94…9697835cd7f42ea8c7f1c6a01cde6e8251e18698266e589a50cd4980a059f6d958a7c76dd1af924f38e64429 (111 bytes)", "f8718216ea858bb2c97008825208941dce053c3f250f5324db031c309a405024c5d6d288016345785d8a0000…91ff62a73803566bc98adda04e8c6cf170bb86c32f2828e9e56461dfbe6738730313b235b116cdc68fac07f9 (115 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:007a2edbfe...4fd72ae6
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00a33f3a1f5541b65af7334993d125c4fc9648fcc959a624676cb7bfc585dc1613ca12122070f3af86998b2e5537f1a0e0261fa2ec1e97c295752c248ad81e49572a8f583f", "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": "11002004249999983544489777.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }