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Canton Updates/1220c5...e170
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #18,960

This Gateway_FinalizeBlock transaction built EVM block #18,960 through the gateway-build-block external call and committed it with 4 transactions.

Block Lifecycle
block #18,960
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
888ms

Block planned

Producer plans block #18960 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #18960

710ms
710ms

Committed on Canton

Participant commits update 1220c5b6ee…05e170
—

Imported to the execution layers

Importer applies block #18960 from GatewayHead

—
0ms
250ms
500ms
750ms
888ms
EVM
Canton
External call
Total
Complete710ms
710ms

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
#18,960
Block Hash
0xbe3a9c92...be4423df
Block Timestamp
Nov 3, 2026, 21:10:27 UTC
Transactions
0x1404da14...5fb93f620x2c16...ccc1 → 0x2a1e...4725Success
0x2eb8a67c...79856b910x4063...856f → 0x235d...3c8cSuccess
Overview
Update ID
1220c5b6ee...3205e170
Offset
61280
Record Time
Nov 3, 2026, 21:10:27 UTC
Command ID
gw-64c9a5594...f06c00e9
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:002474e67e...430cf636
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "0081c4c34dce0f1b80c3334f0bc2647cfeac478129705935cf469cfb1e0d87032cca1212205e74f053700ee5f808b28d43f5f2b108ae86e68413a695868ef48d73d617da50", "block": { "timestamp": { "unpack": "1793740227." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f872830e4a2581c2843b9aca00843b9aca1582a0dc942a1e151de8adb9c9231dc00681d5746b9d76472580…54ec6a3a8940bfdedcd390a0247792881e621ee812f72d875228b3cd35753a3a2e05dc414181f35205dee987 (117 bytes)", "f86e028501004a001682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…2a6bda469d322f7a1964a7a02162f2d2b2cc599597b2e23a37ab994cb401a626667b7510c966d76bd157f46d (112 bytes)", "f86e028501004a001682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…f48bb60c9422430455aa43a0260db13d54a6bd87b3f054bb78dcc033e9dac0f81a5f435317cf26ae95808630 (112 bytes)", "f86e028501004a001682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…ddab1c4f743134a87dce32a01bdb8d222cc5f7685dffee3b535897bde5af716baefa70957614125456826af7 (112 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": [] } }
0x15c87e77...1c9b60c60x3bdf...fed8 → 0x235d...3c8cSuccess
0x62fb1b52...c3e118d90xcb7b...b103 → 0x235d...3c8cSuccess
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0081c4c34d...d617da50
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "9705a3af150cf2ec738903c1a2bf0f21c634a7747ac2599805e527c0f06c00e9", "timestamp": { "unpack": "1793740227." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f872830e4a2581c2843b9aca00843b9aca1582a0dc942a1e151de8adb9c9231dc00681d5746b9d76472580…54ec6a3a8940bfdedcd390a0247792881e621ee812f72d875228b3cd35753a3a2e05dc414181f35205dee987 (117 bytes)", "f86e028501004a001682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…2a6bda469d322f7a1964a7a02162f2d2b2cc599597b2e23a37ab994cb401a626667b7510c966d76bd157f46d (112 bytes)", "f86e028501004a001682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…f48bb60c9422430455aa43a0260db13d54a6bd87b3f054bb78dcc033e9dac0f81a5f435317cf26ae95808630 (112 bytes)", "f86e028501004a001682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…ddab1c4f743134a87dce32a01bdb8d222cc5f7685dffee3b535897bde5af716baefa70957614125456826af7 (112 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:00d176f771...ae19429f
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00fcd74e6f...f87fc51a
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "be3a9c92d5c2441476d7e79c662f20059c427e0249d5e703b634bad1be4423df", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00b3a3e534...d6993fd6
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00fcd74e6fb9591906c8c04fd50a563b4032e764bd6bf85422c5654146be1174d9ca121220644cedb28d921135a8e68d71eac9a452931fefb643d6f67351334adef87fc51a", "hash": "be3a9c92d5c2441476d7e79c662f20059c427e0249d5e703b634bad1be4423df", "number": "18960", "timestamp": "1793740227", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90278a09705a3af150cf2ec738903c1a2bf0f21c634a7747ac2599805e527c0f06c00e9a01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (635 bytes)", "envelopes": [ "02f872830e4a2581c2843b9aca00843b9aca1582a0dc942a1e151de8adb9c9231dc00681d5746b9d76472580…54ec6a3a8940bfdedcd390a0247792881e621ee812f72d875228b3cd35753a3a2e05dc414181f35205dee987 (117 bytes)", "f86e028501004a001682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…2a6bda469d322f7a1964a7a02162f2d2b2cc599597b2e23a37ab994cb401a626667b7510c966d76bd157f46d (112 bytes)", "f86e028501004a001682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…f48bb60c9422430455aa43a0260db13d54a6bd87b3f054bb78dcc033e9dac0f81a5f435317cf26ae95808630 (112 bytes)", "f86e028501004a001682520894235dc887c81c87cfa6d8a743aa93ace7c51b3c8c87038d7ea4c6800080831c…ddab1c4f743134a87dce32a01bdb8d222cc5f7685dffee3b535897bde5af716baefa70957614125456826af7 (112 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00b982ff96...57cab7a1
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00b3a3e534e8420112588dc1a12eafe2a49bf69507449c551f7d0e9e293ac4ebf3ca1212204d13698dadc90bb5adf449c851f24a3a6eab6bba615897ace00be117d6993fd6", "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": "11002004249999991524548885.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }