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Evidence row 119618

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/defi/price-impact
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
fe8d52fb04fa6c926d9c544d2c20c15281ad62a9b285a64d3dd5bd368084fdb2
Leaf
0xa2ec440b3a65a23b771a7856bf07fceaf1e67cd668846e8a8d7485571145acf2

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/defi/price-impact"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:amm-price-impact",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:amm-price-impact",
          "name": "USD Coin",
          "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:amm-price-impact",
          "name": "USD Coin",
          "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:datadesk:amm-price-impact",
          "reference": "CoEx26THZAGqhPtUoHjx3z8Pz1Dy2BkqazCXRbmC7ULL",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazphbW0tcHJpY2UtaW1wYWN0IiwicmVmZXJlbmNlIjoiQ29FeDI2VEhaQUdxaFB0VW9IangzejhQejFEeTJCa3FhekNYUmJtQzdVTEwiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjU0NjEwNjQ3NX0.i9Rab6-frkG7ErHx04bH8u-kVYHVyujLmBeFDZu8_Rw"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:datadesk:amm-price-impact",
          "reference": "7H1zR1jyBbKfKsUATeWsd4QA82mTWnERJapBH6HV2sL7",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazphbW0tcHJpY2UtaW1wYWN0IiwicmVmZXJlbmNlIjoiN0gxelIxanlCYktmS3NVQVRlV3NkNFFBODJtVFduRVJKYXBCSDZIVjJzTDciLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjU0NjEwNjQ3NX0.8sv9YX_u9M58GzVXusAX2kCEP8KJ1XHBwP4pMyO9X_M"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "91139",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:datadesk:amm-price-impact",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "93958",
          "reference": "BoB8b9niU6MGbeRVA9d6GdVc2tXgAZjs48Z83K6CD5Sh",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazphbW0tcHJpY2UtaW1wYWN0IiwicmVmZXJlbmNlIjoiQm9COGI5bmlVNk1HYmVSVkE5ZDZHZFZjMnRYZ0FaanM0OFo4M0s2Q0Q1U2giLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTExMzksImV4cCI6MTc5MjU0NjEwNjQ3NX0.PuY2GI6eGksCuIzyCIUEAydmI-rRROq6jJqfqNvbbz4",
          "solUsdPrice": 106.43
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Constant product swap output, execution price, price impact, minimum received and the trade size that moves the price 1% or 5%, from pool reserves.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "amount_in": "50",
              "fee_percent": "0.3",
              "reserve_in": "2000",
              "reserve_out": "7000000"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "amount_in": 50,
              "amount_out": 170231.9681927946,
              "execution_price": 3404.639363855892,
              "fee_paid_in_input": 0.15,
              "minimum_received": 169380.80835183064,
              "note": "Constant product (x*y=k) model. Real pools with concentrated liquidity have less impact inside the active range. Output ignores gas and MEV.",
              "price_after_trade": 3331.837954878263,
              "price_impact_percent": 2.43189,
              "size_vs_reserve_percent": 2.5,
              "slippage_tolerance_percent": 0.5,
              "source": "Constant product AMM swap arithmetic",
              "spot_price": 3500,
              "total_cost_percent": 2.72459,
              "trade_size_for_1_percent_impact": 20.26280863,
              "trade_size_for_5_percent_impact": 105.57989759
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "amount_in": {
                      "description": "amount you sell",
                      "type": "string"
                    },
                    "fee_percent": {
                      "description": "optional pool fee, default 0.3",
                      "type": "string"
                    },
                    "reserve_in": {
                      "description": "pool reserve of the token you sell",
                      "type": "string"
                    },
                    "reserve_out": {
                      "description": "pool reserve of the token you buy",
                      "type": "string"
                    }
                  },
                  "required": [
                    "reserve_in",
                    "reserve_out",
                    "amount_in"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "amount_in": {
                      "description": "Amount sold",
                      "type": "number"
                    },
                    "amount_out": {
                      "description": "Amount received after fee and price impact",
                      "type": "number"
                    },
                    "execution_price": {
                      "description": "Average price actually received",
                      "type": "number"
                    },
                    "fee_paid_in_input": {
                      "description": "Pool fee taken from the input",
                      "type": "number"
                    },
                    "minimum_received": {
                      "description": "Output after applying the slippage tolerance",
                      "type": "number"
                    },
                    "note": {
                      "description": "Plain-language caveat about how to read and use the result",
                      "type": "string"
                    },
                    "price_after_trade": {
                      "description": "Pool price after the trade",
                      "type": "number"
                    },
                    "price_impact_percent": {
                      "description": "Price movement caused by the trade, excluding the fee",
                      "type": "number"
                    },
                    "size_vs_reserve_percent": {
                      "description": "Trade size as a percent of the input reserve",
                      "type": "number"
                    },
                    "slippage_tolerance_percent": {
                      "description": "Tolerance used for the minimum received",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "Where the data or formula comes from",
                      "type": "string"
                    },
                    "spot_price": {
                      "description": "Pool price before the trade (output per input)",
                      "type": "number"
                    },
                    "total_cost_percent": {
                      "description": "Shortfall versus spot including price impact and fee",
                      "type": "number"
                    },
                    "trade_size_for_1_percent_impact": {
                      "description": "Input amount that moves the price about 1%",
                      "type": "number"
                    },
                    "trade_size_for_5_percent_impact": {
                      "description": "Input amount that moves the price about 5%",
                      "type": "number"
                    }
                  },
                  "required": [
                    "amount_out",
                    "price_impact_percent"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-21T01:26:26.536Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-21T01:26:25.719Z"
    },
    "resource": "https://saylorinnovations.com/api/defi/price-impact",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "price impact calculator uniswap",
      "slippage in a small pool",
      "trade size for 1 percent impact",
      "constant product swap output",
      "minimum received with slippage"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Constant product swap output, execution price, price impact, minimum received and the trade size that moves the price 1% or 5%, from pool reserves."
}

What the leaf hashes

{"body":"fe8d52fb04fa6c926d9c544d2c20c15281ad62a9b285a64d3dd5bd368084fdb2","id":119618,"kind":"listing","method":"baseline/1","observed_us":1793025616146335,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/defi/price-impact","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).

  1. 0xa2ec6c91ab18b2e525692f1d5df3e0ef692ec3fa7acfc63c3690abf695ada969
  2. 0x14db13907b2f876a399991c948da429231e265d1feb287f57f7c267acd403676
  3. 0x39be5715a427cd8f274672a85e0d5c859c7d171c8d9acce3d5ccb8c02c33b711
  4. 0x2d476033b5487dcc510d7ef453c1469e22dbd32ec879967b030976a6013ddca9
  5. 0x7d7f75a7c74cce03dadd5a0e427d2058fbc226ac8d2a9c0e2bcd26e7c2717a09
  6. 0x881236a298166adf08cf94f873b6938b36aea145b85f868f186cc957849572e5
  7. 0x357fad3424a7a6fd6306fa3f29d35799328e45ceae7056eccc4f20f7ebd415ce
  8. 0x559f66c938d63130bd278f6e7559d4a13b8244edb5835e130cd83a7d962ebf3c
  9. 0x90fe940b62b346de0f43dea0b20cf04728ae612c4236ef08a243180ee51ec44e
  10. 0x7adfb47ecfda217ca42c908cb971dd1ceaa64411de0157e4eeeee4ba0ca9cfde
  11. 0xd2bc27d81a73a53b7c724da36f189ebdd2fef396490722c3ee66192b798d20d0
  12. 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
  13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
  14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
  15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON