Exit Depth

{
  "chain": "base",
  "cross_check": {
    "consistent": true,
    "dexscreener_liquidity_usd": 4200000
  },
  "depth": [
    {
      "impact_pct": 1,
      "pct_of_supply": 0.0126,
      "proceeds_in_quote": 28.1,
      "proceeds_usd": 104300,
      "tokens_to_sell": 1250000
    },
    {
      "impact_pct": 5,
      "pct_of_supply": 0.064,
      "proceeds_in_quote": 141.9,
      "proceeds_usd": 527000,
      "tokens_to_sell": 6360000
    },
    {
      "impact_pct": 25,
      "pct_of_supply": 0.344,
      "proceeds_in_quote": 703.2,
      "proceeds_usd": 2610000,
      "tokens_to_sell": 34100000
    }
  ],
  "dex": "uniswap",
  "disclaimer": "Deterministic AMM pool math (v3 concentrated-liquidity or v2 constant-product) from live on-chain state at a point in time. v3 depth estimates assume current in-range liquidity persists through the move (real depth at larger impacts is usually lower); v2 tiers exclude the swap fee. Analytics, not financial advice, not an execution quote.",
  "fee_tier_pct": 0.3,
  "flags": [],
  "method": "Live eth_call reads of slot0 + liquidity() on the pool; constant-L approximation.",
  "pool": "0x76Bf…C3D8",
  "pool_type": "v3",
  "quote_token": {
    "price_usd": 3712.4,
    "symbol": "WETH"
  },
  "target_token": {
    "address": "0x532f…42E4",
    "price_usd": 0.0842,
    "side": "token0",
    "symbol": "BRETT",
    "total_supply": 9910236538
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://onchainpulse.theaslangroupllc.com/api/exit-depth?chain=base&pool=0x76Bf0abD20f1e0155Ce40A62615a90A709a6C3D8&token=0x532f27101965dd16442E59d40670FaF5eBB142E4'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://onchainpulse.theaslangroupllc.com/api/exit-depth?chain=base&pool=0x76Bf0abD20f1e0155Ce40A62615a90A709a6C3D8&token=0x532f27101965dd16442E59d40670FaF5eBB142E4' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fonchainpulse.theaslangroupllc.com%2Fapi%2Fexit-depth
const res = await pay("https://onchainpulse.theaslangroupllc.com/api/exit-depth?chain=base&pool=0x76Bf0abD20f1e0155Ce40A62615a90A709a6C3D8&token=0x532f27101965dd16442E59d40670FaF5eBB142E4");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://onchainpulse.theaslangroupllc.com/api/exit-depth?chain=base&pool=0x76Bf0abD20f1e0155Ce40A62615a90A709a6C3D8&token=0x532f27101965dd16442E59d40670FaF5eBB142E4")
    print(res.status_code, res.text)