← The evidence ledger
Evidence row 121924
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://stall-row-production.up.railway.app/v1/allowance-audit
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7d84d3d659b649eddd82fb7db8454daed34a92e1e654b8c7a46bd2ff54f660ae
- Leaf
- 0xef480fde4fd221ad2d37a50e0c060b63dd85e715ad36f598d2b6e3e444b99c12
What was observed
{
"endpoints": [
[
"x402",
"https://stall-row-production.up.railway.app/v1/allowance-audit"
]
],
"name": "stall-row",
"owner_address": "0x097f9685d1e0752bf8b02d61e5ce9be7ea0fba7f",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x097f9685D1e0752bF8B02d61E5Ce9be7eA0FBA7F",
"scheme": "exact"
}
],
"description": "Audit one Base wallet's ERC-20 approvals against a curated list of major spenders (Permit2, Uniswap, Aerodrome, aggregators): active approvals are listed and unlimited ones flagged high risk. Use this when an agent or its owner wants to know what a wallet has already authorized before it holds or moves funds. When the explorer cannot supply the held-token list, the token-dependent fields come back marked unknown rather than the call failing.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"address": "0x097f9685D1e0752bF8B02d61E5Ce9be7eA0FBA7F"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"active_approvals": [],
"address": "0x097f9685D1e0752bF8B02d61E5Ce9be7eA0FBA7F",
"allowance_checks_performed": 20,
"coverage_note": "Only the listed spenders are checked.",
"spender_coverage": [
"Permit2 (Uniswap)",
"Uniswap V3 SwapRouter02"
],
"spenders_checked": 10,
"summary": "No active approvals found across 2 held token(s) and 10 known spenders.",
"tokens_held_checked": 2,
"unlimited_approvals": 0
},
"schema": {
"properties": {
"active_approvals": {
"items": {
"properties": {
"allowance": {
"type": [
"string",
"null"
]
},
"allowance_raw": {
"type": "string"
},
"risk": {
"type": "string"
},
"spender": {
"type": "string"
},
"spender_name": {
"type": "string"
},
"token_address": {
"type": [
"string",
"null"
]
},
"token_symbol": {
"type": [
"string",
"null"
]
},
"unlimited": {
"type": "boolean"
}
},
"required": [
"spender",
"spender_name",
"allowance_raw",
"unlimited",
"risk"
],
"type": "object"
},
"type": [
"array",
"string"
]
},
"address": {
"type": "string"
},
"allowance_checks_performed": {
"type": "integer"
},
"coverage_note": {
"type": "string"
},
"note": {
"type": "string"
},
"spender_coverage": {
"items": {
"type": "string"
},
"type": "array"
},
"spenders_checked": {
"type": "integer"
},
"summary": {
"type": "string"
},
"tokens_held_checked": {
"type": [
"integer",
"string"
]
},
"unlimited_approvals": {
"type": [
"integer",
"string"
]
}
},
"required": [
"address",
"tokens_held_checked",
"spenders_checked",
"active_approvals",
"unlimited_approvals",
"summary"
],
"type": "object"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"active_approvals": {
"items": {
"properties": {
"allowance": {
"type": [
"string",
"null"
]
},
"allowance_raw": {
"type": "string"
},
"risk": {
"type": "string"
},
"spender": {
"type": "string"
},
"spender_name": {
"type": "string"
},
"token_address": {
"type": [
"string",
"null"
]
},
"token_symbol": {
"type": [
"string",
"null"
]
},
"unlimited": {
"type": "boolean"
}
},
"required": [
"spender",
"spender_name",
"allowance_raw",
"unlimited",
"risk"
],
"type": "object"
},
"type": [
"array",
"string"
]
},
"address": {
"type": "string"
},
"allowance_checks_performed": {
"type": "integer"
},
"coverage_note": {
"type": "string"
},
"note": {
"type": "string"
},
"spender_coverage": {
"items": {
"type": "string"
},
"type": "array"
},
"spenders_checked": {
"type": "integer"
},
"summary": {
"type": "string"
},
"tokens_held_checked": {
"type": [
"integer",
"string"
]
},
"unlimited_approvals": {
"type": [
"integer",
"string"
]
}
},
"required": [
"address",
"tokens_held_checked",
"spenders_checked",
"active_approvals",
"unlimited_approvals",
"summary"
],
"type": "object"
},
"schema": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T21:04:07.603Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-25T21:04:07.411Z"
},
"resource": "https://stall-row-production.up.railway.app/v1/allowance-audit",
"serviceName": "stall-row",
"tags": [
"base",
"security",
"approvals",
"allowance",
"agents"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Audit one Base wallet's ERC-20 approvals against a curated list of major spenders (Permit2, Uniswap, Aerodrome, aggregators): active approvals are listed and unlimited ones flagged high risk. Use this when an agent or its owner wants to know what a wallet has already authorized before it holds or moves funds. When the explorer cannot supply the held-token list, the token-dependent fields come back marked unknown rather than the call failing."
}What the leaf hashes
{"body":"7d84d3d659b649eddd82fb7db8454daed34a92e1e654b8c7a46bd2ff54f660ae","id":121924,"kind":"listing","method":"baseline/1","observed_us":1793025620674687,"prev":null,"subject":"x402_bazaar:https://stall-row-production.up.railway.app/v1/allowance-audit","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xef4810dec0a325f6e7901c25f9924bfaa8e2c490aea171000d61a5251c1243d1
- 0x667182c636eea40f4e8169dba5a7ed64e5231588c66c45beda850fc60d0ed23b
- 0x09eee86d59a0bc1e1c8ac2cbf864bdf1f0944490ad0f2969e931a03e478c4b5f
- 0x8653f0dbeb6a90da5a0b5c69e304e3430b68656ccab784ebd8ca6de48b0778aa
- 0x39a11637bae15d59ec1b07674361efcd059381e5ff64550cf21213cf99057bad
- 0x7eeff98e7ba6400ada50b4ff4dcfb8caf70eebc4267e87a6ad7dffafa0e80f06
- 0x68366acfd714731d78004aac4f921e35a84376a8f3779cc1c9d51e1f78275730
- 0x5e93d3cbeaa0c38eed7263e77d07e0c3b8c4887ddb56e71b2411f4eb1abb2347
- 0x4079d79418de24ad0e2e3115116c66b738df060f283fbce8f65c511e8293682b
- 0x561cc4451e40804fde77fce39392adfcb80c38ec84eb38d744520de2446c6e57
- 0xd1f02e907670bf2f4c72056210a7d4ee252934850293a927f852acd3952f44a4
- 0xb0cc0b4ce5a68e83d3e3e55b0387f828adf6f5eb6cfa666d75f6e16ed9d89c1f
- 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae