Errors

import { parseCypherError } from "@cypher-zk/sdk";

try {
  await client.actions.placeBet({ ... });
} catch (err) {
  const parsed = parseCypherError(err);
  if (parsed) {
    console.error(`[${parsed.code}] ${parsed.name}: ${parsed.msg}`);
    // e.g., "[6000] MarketNotActive: Market is not active"
  } else {
    // Non-Cypher error (network issue, etc.)
    console.error(err);
  }
}

interface ParsedCypherError {
  code: number;   // e.g., 6000
  name: string;   // e.g., "MarketNotActive"
  msg: string;    // e.g., "Market is not active"
}

import { ReadonlyWalletError } from "@cypher-zk/sdk";

class ReadonlyWalletError extends Error {
  readonly code: "READONLY_WALLET";
  readonly name: "ReadonlyWalletError";
  // message defaults to:
  //   "Wallet is read-only. Connect a wallet before sending a transaction."
}

import { ReadonlyWalletError } from "@cypher-zk/sdk";
import { usePlaceBet } from "@cypher-zk/sdk/react";

const placeBet = usePlaceBet({
  onError: (err) => {
    if (err instanceof ReadonlyWalletError) {
      toast.error("Connect your wallet to place a bet.");
      return;
    }
    toast.error(err.message);
  },
});

const code = (err as { code?: string })?.code;
if (code === "READONLY_WALLET") { /* … */ }

import { parseCypherError, CypherErrorCode } from "@cypher-zk/sdk";

const parsed = parseCypherError(err);
if (parsed?.code === CypherErrorCode.BetTooSmall) {
  showToast(`Minimum bet is $${market.minBet / 1_000_000n}`);
}

import { usePlaceBet, parseCypherError } from "@cypher-zk/sdk/react";

const placeBet = usePlaceBet({
  onError: (err) => {
    const parsed = parseCypherError(err);
    setError(parsed?.msg ?? "Transaction failed");
  },
});