← The evidence ledger
Evidence row 2202351
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://guard.facts402.com/v1/guard/exit
- Recorded
- Previous row
- #1790972
- Body SHA-256
- 27b85aef4d5faccecf9613ab6982836bda898ddb0a61ba0bb6860a0792fa1b91
- Leaf
- 0xad6d98137337cea8e2ca0609071fe3e42d9e0d5ce0ee22afb521f1338171f1b5
What was observed
{
"endpoints": [
[
"x402",
"https://guard.facts402.com/v1/guard/exit"
]
],
"name": "Base Launch Guard",
"owner_address": "0x5498b0aa90cd56f8962cbd136df3d3769c85f149",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x5498b0Aa90cd56F8962CBd136DF3D3769C85f149",
"scheme": "exact"
}
],
"description": "Exit liquidity check for an open Base token position: simulates selling your position (USD size or raw token amount) on the deepest pool and returns net received, price impact / slippage, the largest position that exits under 3% impact, the measured sell tax and an EXIT_TRAP flag (> 15% impact). For trading agents monitoring memecoin positions; cheap enough to poll.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"position_usd": 2500,
"token": "0x4ed4e862860bed51a9570b96d89af5e1b0efefed"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"amount_tokens": null,
"block": 53330000,
"chain": "base",
"chain_id": 8453,
"data_sources": [
"Base mainnet JSON-RPC (block-pinned eth_call / eth_getCode / eth_getStorageAt, state-override trade simulation)"
],
"disclaimer": "Automated on-chain facts and rules-based flags. Not investment advice.",
"exit": {
"data": {
"amount_tokens": "574780000000000000000000",
"exit_trap": false,
"max_position_usd_for_3pct_impact": 3620,
"net_received_quote": "216250000000000000",
"net_received_usd": 2434.92,
"pool": {
"address": "0xc9034c3e7f58003e6ae0c8438e7c8f4598d5acaa",
"fee": 3000,
"kind": "uniswap_v3",
"quote_reserve_usd": 119650.42,
"quote_token": "0x4200000000000000000000000000000000000006",
"stable": null
},
"position_usd": 2500,
"price_impact_pct": 2.31,
"sims_used": 4,
"trade_simulation_reverted": false,
"untaxed": false
},
"detail": null,
"reason": null,
"status": "ok"
},
"generated_at": "2026-10-31T12:00:00+00:00",
"position_usd": 2500,
"simulation": {
"data": {
"approve_ok": true,
"buy_ok": true,
"buy_tax_pct": 0,
"content_origin": "third_party_untrusted",
"gas_buy": 118402,
"gas_sell": 126930,
"gas_transfer": 34811,
"honeypot": false,
"pool": {
"address": "0xc9034c3e7f58003e6ae0c8438e7c8f4598d5acaa",
"fee": 3000,
"kind": "uniswap_v3",
"quote_reserve_usd": 119650.42,
"quote_token": "0x4200000000000000000000000000000000000006",
"stable": null
},
"revert_reason_untrusted": null,
"sell_ok": true,
"sell_tax_pct": 0,
"transfer_ok": true,
"transfer_tax_pct": 0
},
"detail": null,
"reason": null,
"status": "ok"
},
"token": "0x4ed4e862860bed51a9570b96d89af5e1b0efefed"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"description": "Exactly one of `position_usd` / `amount_tokens`.",
"oneOf": [
{
"required": [
"position_usd"
]
},
{
"required": [
"amount_tokens"
]
}
],
"properties": {
"amount_tokens": {
"description": "Token amount in RAW units (the token's smallest unit, i.e. amount * 10^decimals) as a decimal string",
"pattern": "^[1-9][0-9]{0,77}$",
"type": "string"
},
"position_usd": {
"description": "Position size in USD for the exit-liquidity simulation (default 500)",
"maximum": 10000000,
"minimum": 1,
"type": "number"
},
"token": {
"description": "Base mainnet (chain id 8453) ERC-20 token contract address",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"token"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"amount_tokens": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"block": {
"type": "integer"
},
"chain": {
"const": "base",
"default": "base",
"type": "string"
},
"chain_id": {
"const": 8453,
"default": 8453,
"type": "integer"
},
"data_sources": {
"items": {
"type": "string"
},
"type": "array"
},
"disclaimer": {
"const": "Automated on-chain facts and rules-based flags. Not investment advice.",
"default": "Automated on-chain facts and rules-based flags. Not investment advice.",
"type": "string"
},
"exit": {
"additionalProperties": false,
"properties": {
"data": {
"anyOf": [
{
"additionalProperties": false,
"properties": {
"amount_tokens": {
"type": "string"
},
"exit_trap": {
"type": "boolean"
},
"max_position_usd_for_3pct_impact": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"net_received_quote": {
"type": "string"
},
"net_received_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"pool": {
"additionalProperties": false,
"properties": {
"address": {
"type": "string"
},
"fee": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
]
},
"kind": {
"type": "string"
},
"quote_reserve_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"quote_token": {
"type": "string"
},
"stable": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
}
},
"required": [
"kind",
"address",
"quote_token",
"fee",
"stable",
"quote_reserve_usd"
],
"type": "object"
},
"position_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"price_impact_pct": {
"type": "number"
},
"sims_used": {
"type": "integer"
},
"trade_simulation_reverted": {
"default": false,
"type": "boolean"
},
"untaxed": {
"default": false,
"type": "boolean"
}
},
"required": [
"pool",
"position_usd",
"amount_tokens",
"net_received_quote",
"net_received_usd",
"price_impact_pct",
"max_position_usd_for_3pct_impact",
"exit_trap",
"sims_used"
],
"type": "object"
},
{
"type": "null"
}
],
"default": null
},
"detail": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null
},
"reason": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null
},
"status": {
"enum": [
"ok",
"unavailable"
],
"type": "string"
}
},
"required": [
"status"
],
"type": "object"
},
"generated_at": {
"type": "string"
},
"position_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"simulation": {
"additionalProperties": false,
"properties": {
"data": {
"anyOf": [
{
"additionalProperties": false,
"properties": {
"approve_ok": {
"type": "boolean"
},
"buy_ok": {
"type": "boolean"
},
"buy_tax_pct": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"content_origin": {
"const": "third_party_untrusted",
"default": "third_party_untrusted",
"type": "string"
},
"gas_buy": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
]
},
"gas_sell": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
]
},
"gas_transfer": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
]
},
"honeypot": {
"type": "boolean"
},
"pool": {
"additionalProperties": false,
"properties": {
"address": {
"type": "string"
},
"fee": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
]
},
"kind": {
"type": "string"
},
"quote_reserve_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"quote_token": {
"type": "string"
},
"stable": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
]
}
},
"required": [
"kind",
"address",
"quote_token",
"fee",
"stable",
"quote_reserve_usd"
],
"type": "object"
},
"revert_reason_untrusted": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"sell_ok": {
"type": "boolean"
},
"sell_tax_pct": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"transfer_ok": {
"type": "boolean"
},
"transfer_tax_pct": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
}
},
"required": [
"pool",
"buy_ok",
"transfer_ok",
"approve_ok",
"sell_ok",
"buy_tax_pct",
"transfer_tax_pct",
"sell_tax_pct",
"honeypot",
"gas_buy",
"gas_transfer",
"gas_sell",
"revert_reason_untrusted"
],
"type": "object"
},
{
"type": "null"
}
],
"default": null
},
"detail": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null
},
"reason": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null
},
"status": {
"enum": [
"ok",
"unavailable"
],
"type": "string"
}
},
"required": [
"status"
],
"type": "object"
},
"token": {
"type": "string"
}
},
"required": [
"token",
"block",
"generated_at",
"data_sources",
"position_usd",
"amount_tokens",
"simulation",
"exit"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T21:58:04.954Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T21:58:04.285Z"
},
"resource": "https://guard.facts402.com/v1/guard/exit",
"serviceName": "Base Launch Guard",
"tags": [
"base",
"exit-liquidity",
"slippage",
"price-impact",
"memecoin"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Exit liquidity check for an open Base token position: simulates selling your position (USD size or raw token amount) on the deepest pool and returns net received, price impact / slippage, the largest position that exits under 3% impact, the measured sell tax and an EXIT_TRAP flag (> 15% impact). For trading agents monitoring memecoin positions; cheap enough to poll."
}What the leaf hashes
{"body":"27b85aef4d5faccecf9613ab6982836bda898ddb0a61ba0bb6860a0792fa1b91","id":2202351,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646815934231,"prev":1790972,"subject":"x402_bazaar:https://guard.facts402.com/v1/guard/exit","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xad6d5c225fd8723962befd9d9868d6041b53a8eefe63e6524616d6066554ae6f
- 0x1fb2280ae50fd14964b224604093761abe832a16797f4e90840ab8ce176f2877
- 0xbf30bab1455d84d7e30fff8323a2d1da1fa1fe44e63d3655cae7580e8fdfdb91
- 0x9b7be86a756ff4565a9a03e60619c94a9c2dd685efc8aaec3335cc4beeb2b49f
- 0xefb4ae48e9b996e7af4c11d445995a5fe1197e51f87a4363ca524853161e20c9
- 0x746e2c606102b3568bdfdb7b7615340ef94c8b430bb35737c8bc244ba56a8293
- 0x23f145db04afb57a147782a0e3083d9c08a878f84bf045dd52be73e7e6269553
- 0x3038e12ea8c540e136a0698e3c8bbcee7d154011f11a1fe1ab5ca1a70cd1c9fa
- 0xed1bceb57b677ebf7cf647be5403f1a0fab0f38d2d76d096155101e8ab85d292
- 0x4e89a9f7a5fcf4210a94a8df735e6db228669c38c3a5bc02691f578029c3e745
- 0x72493f063e28e11678b7e689efc4f85a55ddb2609714716e599e615a51daf06d
- 0x4b689db5a9e6139b1b496c240f18ec19fa5b0f0bc49dacaed806958889560cc9
- 0x30482ffd581ea067af14f15cf3c17e7dcb174f749e858ecded170a1f5f75cc59
- 0x27deeb1ef1692b4773e73c16b6d8d0cdf4251fe2660821e5336f57539770fd2f
- 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
- 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af