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Canton Updates/122020...a397
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #164,227

This Gateway_FinalizeBlock transaction built EVM block #164,227 through the gateway-build-block external call and committed it with 3 transactions.

Block Lifecycle
block #164,227
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.0s

Block planned

Producer plans block #164227 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #164227

805ms
805ms

Committed on Canton

Participant commits update 122020e494…cda397
—

Imported to the execution layers

Importer applies block #164227 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.0s
EVM
Canton
External call
Total
Complete805ms
805ms

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
#164,227
Block Hash
0x1549b468...530e48d3
Block Timestamp
Nov 12, 2026, 15:10:02 UTC
Transactions
0x269ee662...490c13680xc5ea...5911 → 0xa276...16d2Success
0x83479144...b1aa61aa0xae3e...ecec → 0xbeed...74d2Success
Overview
Update ID
122020e494...31cda397
Offset
509929
Record Time
Nov 12, 2026, 15:10:02 UTC
Command ID
gw-64c9a5594...02636bac
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:009443c328...6b23da78
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00c8679c8b90766c141346682b3b328e7ec91302f539551f5efc2ab07d41edd8b8ca121220c1646f0ef9dee2fae4c0339517c3149397e9150203d42963fdbea02fbb349bf0", "block": { "timestamp": { "unpack": "1794496202." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f874830e4a250b843b9aca0e843b9aca0e82520894091ec3e65a2a14185a25d7d174d86290f073eeb68702…ee8ff790904d5456daf8b7a0190fa706ad29d4d3175219c73aeefa71a10eadefe8af821b3a42cce6df0b2979 (119 bytes)", "f8ac03858bb2c970088286ca94beede27adc78c973ff5d41a475c07cb8601074d280b84440c10f1900000000…8157a2f5a8accc87d778b4a015eecee37d8460faeaebb2ef70fa9c533bac1891bc14a46f87af83919433ab03 (174 bytes)", "f88b10858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…427b7707896612f8f5367ea0373ecfbad7966287b8a91783d88c1f83273879f07cbd9ea374899e188fb033d6 (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": [] } }
0xba01eb76...f271552e0x8482...022c → 0x091e...eeb6Success
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00c8679c8b...bb349bf0
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "750f984b165527944a2b59b7a886a0585c587165686338c59124b31902636bac", "timestamp": { "unpack": "1794496202." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f874830e4a250b843b9aca0e843b9aca0e82520894091ec3e65a2a14185a25d7d174d86290f073eeb68702…ee8ff790904d5456daf8b7a0190fa706ad29d4d3175219c73aeefa71a10eadefe8af821b3a42cce6df0b2979 (119 bytes)", "f8ac03858bb2c970088286ca94beede27adc78c973ff5d41a475c07cb8601074d280b84440c10f1900000000…8157a2f5a8accc87d778b4a015eecee37d8460faeaebb2ef70fa9c533bac1891bc14a46f87af83919433ab03 (174 bytes)", "f88b10858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…427b7707896612f8f5367ea0373ecfbad7966287b8a91783d88c1f83273879f07cbd9ea374899e188fb033d6 (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:008207ad36...b4646784
Choice: Archive
Payload
{}
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:00055dc8d5...0362d0e3
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "1549b4688842c926f89e19aa99eb0fdd122f0591588d327c2e5481bc530e48d3", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00cba8150d...45764474
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "00055dc8d5e8f3568e2f2e0e39b9586c6d5d922c2c96666352752375f351d93ffeca1212205df8a8a8c2f26ecc5a4e85ee1bf121bbf7cbff50d2ca155189245ee90362d0e3", "hash": "1549b4688842c926f89e19aa99eb0fdd122f0591588d327c2e5481bc530e48d3", "number": "164227", "timestamp": "1794496202", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90279a0750f984b165527944a2b59b7a886a0585c587165686338c59124b31902636baca01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (636 bytes)", "envelopes": [ "02f874830e4a250b843b9aca0e843b9aca0e82520894091ec3e65a2a14185a25d7d174d86290f073eeb68702…ee8ff790904d5456daf8b7a0190fa706ad29d4d3175219c73aeefa71a10eadefe8af821b3a42cce6df0b2979 (119 bytes)", "f8ac03858bb2c970088286ca94beede27adc78c973ff5d41a475c07cb8601074d280b84440c10f1900000000…8157a2f5a8accc87d778b4a015eecee37d8460faeaebb2ef70fa9c533bac1891bc14a46f87af83919433ab03 (174 bytes)", "f88b10858bb2c970088254ac94a2766fc6dabb3f3e56a9a4bf49f59dbc2e7b16d280a4552410770000000000…427b7707896612f8f5367ea0373ecfbad7966287b8a91783d88c1f83273879f07cbd9ea374899e188fb033d6 (141 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:00a600af5e...f35d5c3d
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "00cba8150db325a578a9aa75bffe7bd7146a386fb661a37c6180d75cae55fd40f4ca1212200e90acb6ef1127cf6b74d1e9f888ddac0a47b2194abe74229b4bcf0045764474", "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": "11002004249999861017645302.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }