Transaction Details
The contract call From 0x86E51580...41487e691 To 0xaC041Df4...50C5f2e9D produced 3 Internal Transactions
Type Trace Address | From | To | Value | Gas Limit | |
---|---|---|---|---|---|
call_0_1_1_1 | Sonic Labs: wS Token | 0xB28Ca7e4...ba553CF82 | 981.994598812975837398 S | 638,566 | |
call_0_1_1 | 0xB28Ca7e4...ba553CF82 | 0xaC041Df4...50C5f2e9D | 981.994598812975837398 S | 638,838 | |
call_0_1 | 0xaC041Df4...50C5f2e9D | 0x86E51580...41487e691 | 981.994598805421031424 S | 660,272 |
AA Txn Hash | Method | Position | From | Internal Txns | Token Txns | NFT Txns | Txn Fee (ETH) | Gas Limit |
---|
Transaction Receipt Event Logs
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x86E5158026c55629C281E56eE99d2fE41487e691
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- value :154841960860429385203712
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: spender 0xBA12222222228d8Ba445958a75a0704d566BF2C8
Data
- value :4077732801038234966320
-
Address
- 0xba12222222228d8ba445958a75a0704d566bf2c8 (Beets: Vault V2)
Name
Swap (index_topic_1 bytes32 poolId, index_topic_2 address tokenIn, index_topic_3 address tokenOut, uint256 amountIn, uint256 amountOut)View Source
Topics
- 0 0x2170c741c41531aec20e7c107c24eecfdd15e69c9bb0a8dd37b1840b9e0b207b
- 1: poolId 6D2BB32A231C2CB5CCB4F59B8E9957A794086AA8000100000000000000000074
- 2: tokenIn 0x486B6Fa0419b33a0c7A6e4698c231D7E2f2D5299
- 3: tokenOut 0xE5DA20F15420aD15DE0fa650600aFc998bbE3955
Data
- amountIn :4077732801038234966320
- amountOut :25573317334151649358
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0xBA12222222228d8Ba445958a75a0704d566BF2C8
Data
- value :4077732801038234966320
-
Address
- 0xe5da20f15420ad15de0fa650600afc998bbe3955 (Beets: Staked Sonic)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xBA12222222228d8Ba445958a75a0704d566BF2C8
- 2: to 0xB75C9073ea00AbDa9ff420b5Ae46fEe248993380
Data
- value :25573317334151649358
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0x6D9B4d31C66291c13F33AE1B2D8c1a5Be8a77c4f
Data
- value :91965806483191253797604
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x6D9B4d31C66291c13F33AE1B2D8c1a5Be8a77c4f
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- value :583382995123660289403
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x6D9B4d31C66291c13F33AE1B2D8c1a5Be8a77c4f
- 2: to 0x55390a66Df3482FA7d1a8838579D36Fc21625Bb3
Data
- value :919658064831912537976
Name
Fees (index_topic_1 address sender, uint256 amount0, uint256 amount1)View Source
Topics
- 0 0x112c256902bf554b6ed882d2936687aaeb4225e8cd5b51303c90ca6cf43a8602
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- amount0 :0
- amount1 :919658064831912537976
Name
Sync (uint256 reserve0, uint256 reserve1)View Source
Topics
- 0 0xcf2aa50876cdfbb541206f89af0ee78d44a2abf8d328e37fa4917f982149848a
Data
- reserve0 :124142653848554134467577
- reserve1 :19465471837580967022827227
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- amount0In :0
- amount1In :91965806483191253797604
- amount0Out :583382995123660289403
- amount1Out :0
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0x8218825E5964e17D872adCEfA4C72D73c0D44021
Data
- value :7113449614533260782308
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x8218825E5964e17D872adCEfA4C72D73c0D44021
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- value :44973941936170781337
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x8218825E5964e17D872adCEfA4C72D73c0D44021
- 2: to 0x2493b7809F8ED73224A6867A8b82b7329FA598a7
Data
- value :853613953743991293
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x8218825E5964e17D872adCEfA4C72D73c0D44021
- 2: to 0xdD23F9f756307477d9F4A11414F614F0458E8033
Data
- value :20486734889855791053
Name
Fees (index_topic_1 address sender, uint256 amount0, uint256 amount1)View Source
Topics
- 0 0x112c256902bf554b6ed882d2936687aaeb4225e8cd5b51303c90ca6cf43a8602
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- amount0 :0
- amount1 :21340348843599782346
Name
Sync (uint256 reserve0, uint256 reserve1)View Source
Topics
- 0 0xcf2aa50876cdfbb541206f89af0ee78d44a2abf8d328e37fa4917f982149848a
Data
- reserve0 :33115592048654112750023
- reserve1 :5229213788979303440115166
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- amount0In :0
- amount1In :7113449614533260782308
- amount0Out :44973941936170781337
- amount1Out :0
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0x953684EDcf221DfB23497f8392FF76201562416b
Data
- value :5506821805719744643006
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x953684EDcf221DfB23497f8392FF76201562416b
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- value :34847432165265864772
Name
Sync (uint112 reserve0, uint112 reserve1)View Source
Topics
- 0 0x1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1
Data
- reserve0 :15449581795139405206308
- reserve1 :2439627626882295261140447
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- amount0In :0
- amount1In :5506821805719744643006
- amount0Out :34847432165265864772
- amount1Out :0
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xb9605E9EAf85699AB22489e98C2f494DAcF55fdF
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- value :207730877350539435392
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0xb9605E9EAf85699AB22489e98C2f494DAcF55fdF
Data
- value :32712643830130349336819
Name
Swap (index_topic_1 address sender, index_topic_2 address recipient, int256 amount0, int256 amount1, uint160 sqrtPriceX96, uint128 liquidity, int24 tick)View Source
Topics
- 0 0xc42079f94a6350d7e6235f29174924f928cc2ac818eb64fed8004e115fbcca67
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: recipient 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- amount0 :-207730877350539435392
- amount1 :32712643830130349336819
- sqrtPriceX96 :992091066155880363489093679886
- liquidity :451638878400139111670343
- tick :50552
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0x51CAf8b6D184E46aEB606472258242AAceE3e23b
Data
- value :13465506325816541677655
-
Address
- 0xb1e25689d55734fd3fffc939c4c3eb52dff8a794 (Origin: OS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x51CAf8b6D184E46aEB606472258242AAceE3e23b
- 2: to 0x3987a13D675c66570bC28c955685a9bcA2dCF26e
Data
- value :85212997645901041236
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x51CAf8b6D184E46aEB606472258242AAceE3e23b
- 2: to 0x2493b7809F8ED73224A6867A8b82b7329FA598a7
Data
- value :1615860759097985001
-
Address
- 0x486b6fa0419b33a0c7a6e4698c231d7e2f2d5299 (MoonBay: MOON Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x51CAf8b6D184E46aEB606472258242AAceE3e23b
- 2: to 0x3f7162646C5f3c58D12Feb5F4f77a92A9505ef37
Data
- value :38780658218351640031
Name
Fees (index_topic_1 address sender, uint256 amount0, uint256 amount1)View Source
Topics
- 0 0x112c256902bf554b6ed882d2936687aaeb4225e8cd5b51303c90ca6cf43a8602
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- amount0 :40396518977449625032
- amount1 :0
Name
Sync (uint256 reserve0, uint256 reserve1)View Source
Topics
- 0 0xcf2aa50876cdfbb541206f89af0ee78d44a2abf8d328e37fa4917f982149848a
Data
- reserve0 :6154133771614333906167993
- reserve1 :38976827770615334239624
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0x3987a13D675c66570bC28c955685a9bcA2dCF26e
Data
- amount0In :13465506325816541677655
- amount1In :0
- amount0Out :0
- amount1Out :85212997645901041236
-
Address
- 0x71e99522ead5e21cf57f1f542dc4ad2e841f7321 (Metropolis: METRO Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x1a5Ded6adCfc64aceDE86151B1F142088C6E03da
- 2: to 0xE3F132867fC5cbb95D21C53c00647E8e7Cd6CF97
Data
- value :0
-
Address
- 0x71e99522ead5e21cf57f1f542dc4ad2e841f7321 (Metropolis: METRO Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x1a5Ded6adCfc64aceDE86151B1F142088C6E03da
- 2: to 0xF23cB940Ba6eb07FE695746c63EcA8Db34aC4113
Data
- value :274308576931707593
Name
PositionModified (index_topic_1 uint256 pid, index_topic_2 address account, int256 deltaAmount, uint256 metroReward)View Source
Topics
- 0 0x0e006e790dc8db480892a6d5c0bf539c411db278e5185b07d46bdcc110ba6af5
- 1: pid 17
- 2: account 0xF23cB940Ba6eb07FE695746c63EcA8Db34aC4113
Data
- deltaAmount :0
- metroReward :274308576931707593
Name
Swap (index_topic_1 address sender, index_topic_2 address to, uint24 id, bytes32 amountsIn, bytes32 amountsOut, uint24 volatilityAccumulator, bytes32 totalFees, bytes32 protocolFees)View Source
Topics
- 0 0xad7d6f97abf51ce18e17a38f4d70e975be9c0708474987bb3e26ad21bd93ca70
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- id :8388608
- amountsIn :0000000000000000000000000000000000000000000000049E89D05CA4C180CE
- amountsOut :00000000000000049E731BCDDCA2D83B00000000000000000000000000000000
- volatilityAccumulator :0
- totalFees :000000000000000000000000000000000000000000000000001E4613B57E3619
- protocolFees :00000000000000000000000000000000000000000000000000079184ED5F8D86
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x3987a13D675c66570bC28c955685a9bcA2dCF26e
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- value :85204476346136451131
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xB75C9073ea00AbDa9ff420b5Ae46fEe248993380
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- value :25854875891203015363
-
Address
- 0xe5da20f15420ad15de0fa650600afc998bbe3955 (Beets: Staked Sonic)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xB75C9073ea00AbDa9ff420b5Ae46fEe248993380
- 2: to 0xa57A7b71e60a8Ca9334DdaD38cc5db80239B123B
Data
- value :511466346683032
Name
Fees (index_topic_1 address sender, uint256 amount0, uint256 amount1)View Source
Topics
- 0 0x112c256902bf554b6ed882d2936687aaeb4225e8cd5b51303c90ca6cf43a8602
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- amount0 :0
- amount1 :511466346683032
Name
Sync (uint256 reserve0, uint256 reserve1)View Source
Topics
- 0 0xcf2aa50876cdfbb541206f89af0ee78d44a2abf8d328e37fa4917f982149848a
Data
- reserve0 :885175758942826947473946
- reserve1 :619793309989325124274572
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- amount0In :0
- amount1In :25573317334151649358
- amount0Out :25854875891203015363
- amount1Out :0
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
- 2: to 0x0000000000000000000000000000000000000000
Data
- value :981994598812975837398
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Withdrawal (index_topic_1 address account, uint256 value)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: account 0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
Data
- value :981994598812975837398
Name
Swap (address sender, uint256 inputAmount, address inputToken, uint256 amountOut, address outputToken, int256 slippage, uint32 referralCode)View Source
Topics
- 0 0x823eaf01002d7353fbcadb2ea3305cc46fa35d799cb0914846d185ac06f8ad05
Data
- sender :0x86E5158026c55629C281E56eE99d2fE41487e691
- inputAmount :154841960860429385203712
- inputToken :0x486B6Fa0419b33a0c7A6e4698c231D7E2f2D5299
- amountOut :981994598805421031424
- outputToken :0x0000000000000000000000000000000000000000
- slippage :7554805974
- referralCode :0
A transaction is a cryptographically signed instruction that changes the blockchain state. Block explorers track the details of all transactions in the network. Learn more about transactions in our Knowledge Base.