paraUSD Allowance (fetchParabolUSDAllowance)

This method fetches the paraUSD allowance to a spender from a wallet address.

import {
  SupportedChainIds,
  getContractAddress,
  ContractTarget,
} from "@parabolfi/core";
import { ParabolServer } from "@parabolfi/server";
 
const parabolServer = new ParabolServer({
  apiKey: process.env.PARABOL_API_KEY,
});
 
const rspAddress = getContractAddress(
  chain,
  ContractTarget.ReserveStabilityPool
);
 
const chain = SupportedChainIds.ZKSYNC;
const walletAddress = "0x...";
const allowance = await parabolServer.fetchParabolUSDAllowance(
  walletAddress,
  rspAddress,
  [chain]
);

ℹ️

You can get the Reserve Stability Pool address from the Smart Contracts page.

Response

{
  "324": {
    "owner": "0x4ea830109b8df82d4e05f1fa7780b27f8f6dc7d7",
    "spender": "0x454db664fdd3d873271512a4b972bdf18c5a0bc3",
    "value": "0"
  }
}

owner is the wallet address of the allowance.
spender is the spender of the allowance.
value is the allowance value based on paraUSD decimals (18) in wei.

NFNP Nonce NFNP Allowance