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Canton Updates/1220a1...d5fb
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #15,987

This Gateway_FinalizeBlock transaction built EVM block #15,987 through the gateway-build-block external call and committed it with 5 transactions.

Block Lifecycle
block #15,987
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
500ms
1.0s
1.5s
1.7s

Block planned

Producer plans block #15987 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #15987

1.3s
1.3s

Committed on Canton

Participant commits update 1220a159c1…26d5fb
—

Imported to the execution layers

Importer applies block #15987 from GatewayHead

—
0ms
500ms
1.0s
1.5s
1.7s
EVM
Canton
External call
Total
Complete1.3s
1.3s

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
#15,987
Block Hash
0x99fc62e1...0defd2c2
Block Timestamp
Nov 3, 2026, 18:00:26 UTC
Transactions
0xbc31546b...c967b6130x1cab...a527 → 0x235d...3c8cSuccess
0x9447bdab...47578b130x8529...3c14 → 0xb778...3d80Success
Overview
Update ID
1220a159c1...d826d5fb
Offset
51981
Record Time
Nov 3, 2026, 18:00:27 UTC
Command ID
gw-64c9a5594...cb446229
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:0094197f95...cd536c4c
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "0099a69ce8e7848526e745254e3f1ca3dfbb7cd49b337ddaa8b84f94c0ca336730ca12122020428e1a8ef5bae3ef42b39e55b45954a51ffc066872fac4a329373b1ce10917", "block": { "timestamp": { "unpack": "1793728826." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86e02851de4c01a7682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…5143e63d51653d2a882889a06ed8fcc7e61af2fd4a3f08718e72c531a8966b512ee145edd0e8f65a5dbaa494 (112 bytes)", "f86e02851de4c01a7682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…d3d200b79bfcc2871d85d8a04637e864eded46814f55f56f3a87bcedf0ad4bce4fb32036ca596869687d5fb9 (112 bytes)", "f8ac80851de4c01a768259a294b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…4be72aebd31cb3eb497749a00610393730f66f8f77797a6c222b4fa9f7cb5427d3c7b5460335136af984762d (174 bytes)", "f86e02851de4c01a7682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…cc27d5d9cbc7a1065f2ec0a064d963df1577a0f91d66f1b4475a0dcaf94c1347af605678ccdd60e6b940c6c7 (112 bytes)", "f88b01851de4c01a768254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…df9f8ed96bd3363eb520eca041a632b8bef6d7f676f845782adbf033531b2a44c71a9cc36c96ea5a46c97a80 (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": [] } }
0xa57139bd...71a9e8a80xf7a2...da48 → 0xa276...16d2Success
0x69723aa9...f88ae6d60x3320...c2c4 → 0x235d...3c8cSuccess
0x5a7071f1...1b03f0510xc75a...8a9a → 0x235d...3c8cSuccess
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0099a69ce8...1ce10917
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "28338a0c316147f627bc13aedf2ae695a03a60ac0976d9b57f49e097cb446229", "timestamp": { "unpack": "1793728826." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "f86e02851de4c01a7682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…5143e63d51653d2a882889a06ed8fcc7e61af2fd4a3f08718e72c531a8966b512ee145edd0e8f65a5dbaa494 (112 bytes)", "f86e02851de4c01a7682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…d3d200b79bfcc2871d85d8a04637e864eded46814f55f56f3a87bcedf0ad4bce4fb32036ca596869687d5fb9 (112 bytes)", "f8ac80851de4c01a768259a294b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…4be72aebd31cb3eb497749a00610393730f66f8f77797a6c222b4fa9f7cb5427d3c7b5460335136af984762d (174 bytes)", "f86e02851de4c01a7682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…cc27d5d9cbc7a1065f2ec0a064d963df1577a0f91d66f1b4475a0dcaf94c1347af605678ccdd60e6b940c6c7 (112 bytes)", "f88b01851de4c01a768254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…df9f8ed96bd3363eb520eca041a632b8bef6d7f676f845782adbf033531b2a44c71a9cc36c96ea5a46c97a80 (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:006dbdbc04...d10ed3c6
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:0032249b80...2aaaa2da
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "99fc62e1b0c714b8176cf9a7998a99750f60edb02459938f387b3e6f0defd2c2", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:001e7cd924...e51f5b26
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "0032249b8045538c91c4f54fb52a9f03775c00b7c1459902845b7a724c06ca0f09ca12122016f75a9d68adac35729a47ff6106ebdc582683375b42ea673ed1ed5c2aaaa2da", "hash": "99fc62e1b0c714b8176cf9a7998a99750f60edb02459938f387b3e6f0defd2c2", "number": "15987", "timestamp": "1793728826", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a028338a0c316147f627bc13aedf2ae695a03a60ac0976d9b57f49e097cb446229a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "f86e02851de4c01a7682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…5143e63d51653d2a882889a06ed8fcc7e61af2fd4a3f08718e72c531a8966b512ee145edd0e8f65a5dbaa494 (112 bytes)", "f86e02851de4c01a7682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…d3d200b79bfcc2871d85d8a04637e864eded46814f55f56f3a87bcedf0ad4bce4fb32036ca596869687d5fb9 (112 bytes)", "f8ac80851de4c01a768259a294b778d58e24c877095693fc7800b3ee5834773d8080b84440c10f1900000000…4be72aebd31cb3eb497749a00610393730f66f8f77797a6c222b4fa9f7cb5427d3c7b5460335136af984762d (174 bytes)", "f86e02851de4c01a7682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…cc27d5d9cbc7a1065f2ec0a064d963df1577a0f91d66f1b4475a0dcaf94c1347af605678ccdd60e6b940c6c7 (112 bytes)", "f88b01851de4c01a768254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…df9f8ed96bd3363eb520eca041a632b8bef6d7f676f845782adbf033531b2a44c71a9cc36c96ea5a46c97a80 (141 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:002efcf08a...f8592e1f
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "001e7cd9247ff92990ce668610d0aba45ec060d9cfec2e76fbdff1880cb758eb63ca121220b1bd2d00a3908cebb84e0b67d5bfd539ed73c65fba670a7eb8dae810e51f5b26", "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": "11002004249999992533568638.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }