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Canton Updates/122020...cd31
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #173,516

This Gateway_FinalizeBlock transaction built EVM block #173,516 through the gateway-build-block external call and committed it with 4 transactions.

Block Lifecycle
block #173,516
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
656ms

Block planned

Producer plans block #173516 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #173516

525ms
525ms

Committed on Canton

Participant commits update 1220204cd0…73cd31
—

Imported to the execution layers

Importer applies block #173516 from GatewayHead

—
0ms
250ms
500ms
656ms
EVM
Canton
External call
Total
Complete525ms
525ms

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
#173,516
Block Hash
0xf656ece1...044fd14c
Block Timestamp
Nov 12, 2026, 22:44:48 UTC
Transactions
0xb712c988...4c575b0e0x3ee2...2723 → 0xd129...b96cSuccess
0x657d38a8...37bd4ea40xf380...c9a7 → 0xa276...16d2Success
Overview
Update ID
1220204cd0...ad73cd31
Offset
538251
Record Time
Nov 12, 2026, 22:44:48 UTC
Command ID
gw-64c9a5594...e1f0975d
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00a56899c1...4265ccc2
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "007311aa6e691bf3b3a77d1f696589a45031ba948e7476fc489aca53a0210ef3f7ca1212203b451806024533e5d18f1512c68045ab219a9ad334937a8f83bff6adfa26e5cf", "block": { "timestamp": { "unpack": "1794523488." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f874830e4a2509843b9aca0e843b9aca0e82520894ef644795f5821c6bb685e23f4b40f399bd28f1878702…7c34b90b685c4cbb8508faa04ba8a0fa578443af4e471b0525cc3a1591e87d78824ad2b726982d296760b021 (119 bytes)", "f8ac0e8523df4cec8d8259a294d129219e03f0ad695dbb10182802b82adf9ab96c80b84440c10f1900000000…9c3ce381abf7ac21b827c8a00b81da450348c22c7145ca54f64c56aedd3e36e465f630a120125fdcbf6eb19e (174 bytes)", "f86e81af8459682f008261a894f4f5b5ca6107122de265d079d1799e28eaee4ac0872386f26fc1000080831c…18779a99a7a391e0d97863a057f0848247f04ca3b267b7e80326d43e183c462b167a35adadfe5744aca8d377 (112 bytes)", "f88b0b8523df4cec8d8254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…bd01039458e6f0b3d3155ca058efc4e63d4d24bb5fb1bd54de57f8a50d206dda5f549dab52683335eb95d575 (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": [] } }
0x4ff9cc6c...5b3416600x1159...0074 → 0xef64...f187Success
0x71f7efc1...1950aa410x9e5c...56e7 → 0xf4f5...4ac0Success
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:007311aa6e...fa26e5cf
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "dd3b1bef7e8029b3877b96ff4ff2db2b6a6a34ea502d100fd15171fee1f0975d", "timestamp": { "unpack": "1794523488." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f874830e4a2509843b9aca0e843b9aca0e82520894ef644795f5821c6bb685e23f4b40f399bd28f1878702…7c34b90b685c4cbb8508faa04ba8a0fa578443af4e471b0525cc3a1591e87d78824ad2b726982d296760b021 (119 bytes)", "f8ac0e8523df4cec8d8259a294d129219e03f0ad695dbb10182802b82adf9ab96c80b84440c10f1900000000…9c3ce381abf7ac21b827c8a00b81da450348c22c7145ca54f64c56aedd3e36e465f630a120125fdcbf6eb19e (174 bytes)", "f86e81af8459682f008261a894f4f5b5ca6107122de265d079d1799e28eaee4ac0872386f26fc1000080831c…18779a99a7a391e0d97863a057f0848247f04ca3b267b7e80326d43e183c462b167a35adadfe5744aca8d377 (112 bytes)", "f88b0b8523df4cec8d8254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…bd01039458e6f0b3d3155ca058efc4e63d4d24bb5fb1bd54de57f8a50d206dda5f549dab52683335eb95d575 (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:001d32fa62...1d08d5c4
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:008cb7a88a...12cb5eee
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "f656ece1e463ad46992e4ae14dfe2db732c81c4e006fd4a0c59b2954044fd14c", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00851575df...e2809310
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "008cb7a88a96d6506a0237955a4b7f8f0b0cbba79fa9cd0496fede3c5f310fef76ca121220630a689c580bec41a25c5fdfe90cbdc0ae254fa26ee88927440fa00a12cb5eee", "hash": "f656ece1e463ad46992e4ae14dfe2db732c81c4e006fd4a0c59b2954044fd14c", "number": "173516", "timestamp": "1794523488", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90279a0dd3b1bef7e8029b3877b96ff4ff2db2b6a6a34ea502d100fd15171fee1f0975da01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (636 bytes)", "envelopes": [ "02f874830e4a2509843b9aca0e843b9aca0e82520894ef644795f5821c6bb685e23f4b40f399bd28f1878702…7c34b90b685c4cbb8508faa04ba8a0fa578443af4e471b0525cc3a1591e87d78824ad2b726982d296760b021 (119 bytes)", "f8ac0e8523df4cec8d8259a294d129219e03f0ad695dbb10182802b82adf9ab96c80b84440c10f1900000000…9c3ce381abf7ac21b827c8a00b81da450348c22c7145ca54f64c56aedd3e36e465f630a120125fdcbf6eb19e (174 bytes)", "f86e81af8459682f008261a894f4f5b5ca6107122de265d079d1799e28eaee4ac0872386f26fc1000080831c…18779a99a7a391e0d97863a057f0848247f04ca3b267b7e80326d43e183c462b167a35adadfe5744aca8d377 (112 bytes)", "f88b0b8523df4cec8d8254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…bd01039458e6f0b3d3155ca058efc4e63d4d24bb5fb1bd54de57f8a50d206dda5f549dab52683335eb95d575 (141 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00cf2fd758...57f279a4
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00851575df1ed78c069d07dab68c74ae6b1f6baca1d7fbed1e5114877192f244c9ca12122095f7edf3d08966dc75b21bfb8ed833cdf0a1646806f3f386d3827347e2809310", "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": "11002004249999852182752872.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }