Building Transactions#

// docs-check: fragment reason: shared transaction setup
import { createKeyPairFromBytes } from '@solana/keys';
import { getAddressFromPublicKey } from '@solana/addresses';
import { pipe } from '@solana/functional';
import {
  createTransactionMessage,
  setTransactionMessageFeePayer,
  setTransactionMessageLifetimeUsingBlockhash,
  appendTransactionMessageInstructions,
} from '@solana/transaction-messages';
import {
  compileTransaction,
  getBase64EncodedWireTransaction,
  signTransaction,
} from '@solana/transactions';
import { createSolanaRpc } from '@solana/rpc';
import type { Instruction } from '@solana/instructions';
import { readFileSync } from 'node:fs';

/** Load a Solana CLI keypair file as a Kit CryptoKeyPair. */
export async function loadKeypair(path: string) {
  const bytes = new Uint8Array(JSON.parse(readFileSync(path, 'utf-8')));
  return createKeyPairFromBytes(bytes); // expects 64 bytes
}

/**
 * Assemble, simulate, sign, and send a list of Kit Instructions.
 * Returns the base58 transaction signature.
 */
export async function sendInstructions(
  instructions: Instruction[],
  keyPair: CryptoKeyPair,
  rpcUrl: string
): Promise<string> {
  const rpc = createSolanaRpc(rpcUrl);
  const walletAddress = await getAddressFromPublicKey(keyPair.publicKey);

  // 1. Fresh blockhash (lifetime anchor)
  const {
    value: { blockhash, lastValidBlockHeight },
  } = await rpc.getLatestBlockhash({ commitment: 'finalized' }).send();

  // 2. Assemble the transaction message
  const msg = pipe(
    createTransactionMessage({ version: 0 }),
    (m) => setTransactionMessageFeePayer(walletAddress, m),
    (m) => setTransactionMessageLifetimeUsingBlockhash({ blockhash, lastValidBlockHeight }, m),
    (m) => appendTransactionMessageInstructions(instructions, m)
  );

  // 3. Compile to a wire-ready transaction, then simulate before signing
  const compiled = compileTransaction(msg);
  const base64Tx = getBase64EncodedWireTransaction(compiled);

  const simResult = await rpc
    .simulateTransaction(base64Tx, {
      encoding: 'base64',
      commitment: 'finalized',
      replaceRecentBlockhash: true,
      sigVerify: false,
    })
    .send();

  if (simResult.value.err) {
    throw new Error(
      `Simulation failed: ${JSON.stringify(simResult.value.err)}\n` +
        (simResult.value.logs ?? []).join('\n')
    );
  }

  // 4. Sign and send
  const signed = await signTransaction([keyPair], compiled);
  const signedBase64 = getBase64EncodedWireTransaction(signed);

  const sig = await rpc
    .sendTransaction(signedBase64, {
      encoding: 'base64',
      preflightCommitment: 'finalized',
    })
    .send();

  // 5. Confirm
  await rpc
    .confirmTransaction(sig, {
      commitment: 'finalized',
      strategy: { type: 'blockhash', blockhash, lastValidBlockHeight },
    })
    .send();

  return sig;
}

// docs-check: fragment reason: shared transaction setup
import { address } from '@solana/addresses';
import { createSolanaRpc } from '@solana/rpc';
import {
  createSeesawClient,
  buildPlaceOrderIx,
  OrderSide,
  OrderType,
  pickTreasuryIndex,
  parseSeesawError,
} from '@seesaw/core';
import { TOKEN_PROGRAM_ADDRESS, SYSTEM_PROGRAM_ADDRESS } from '@seesaw/trustless';

// ── Trust-based: resolve fee config via hosted API ─────────────────────────
const client = createSeesawClient({ apiUrl: process.env.SEESAW_API_URL! });
const rpc = createSolanaRpc(process.env.SOLANA_RPC_URL!);

const marketAddress = address('MARKET_ADDRESS');
const user = address('YOUR_WALLET');

// Pick a treasury recipient index explicitly and pass the matching address.
const feeConfig = await client.api.fees.getConfig();
const slot = BigInt(await rpc.getSlot().send());
const protocolTreasuryIndex = pickTreasuryIndex(user, slot, feeConfig.treasuryRecipients.length);
const treasuryTokenAccount = address(feeConfig.treasuryRecipients[protocolTreasuryIndex]);

try {
  const ix = buildPlaceOrderIx(
    {
      side: OrderSide.BuyYes,
      priceBps: 6_000, // 60%
      quantity: 10_000_000n, // 10 USDT (6 decimals)
      orderType: OrderType.Limit,
      protocolTreasuryIndex,
    },
    {
      market: marketAddress,
      orderbook: address('ORDERBOOK_PDA'), // deriveOrderbookPda(market)
      userPosition: address('POSITION_PDA'), // derivePositionPda(market, user)
      userTokenAccount: address('USER_SETTLEMENT_ATA'),
      vault: address('VAULT_PDA'), // deriveVaultPda(market)
      user,
      config: address('CONFIG_PDA'), // deriveConfigPda()
      treasuryTokenAccount,
      tokenProgram: TOKEN_PROGRAM_ADDRESS,
      systemProgram: SYSTEM_PROGRAM_ADDRESS,
      settlementMint: address('SETTLEMENT_MINT'),
      yesEscrow: address('YES_ESCROW_PDA'),
      noEscrow: address('NO_ESCROW_PDA'),
      userYesAta: address('USER_YES_ATA'),
      userNoAta: address('USER_NO_ATA'),
      yesMint: address('YES_MINT_PDA'),
      noMint: address('NO_MINT_PDA'),
      traderLedger: address('TRADER_LEDGER_PDA'),
    }
  );

  await sendInstructions([ix], keyPair, process.env.SOLANA_RPC_URL!);
} catch (error) {
  const parsed = parseSeesawError(error);
  if (parsed) console.error(`${parsed.name}: ${parsed.message}`);
  else throw error;
}

// docs-check: fragment reason: shared transaction setup
import {
  deriveConfigPda,
  deriveMarketPda,
  deriveOrderbookPda,
  deriveVaultPda,
  derivePositionPda,
  deriveYesMintPda,
  deriveNoMintPda,
  deriveYesEscrowPda,
  deriveNoEscrowPda,
  deriveTraderLedgerPda,
} from '@seesaw/core';
import { deriveAta } from '@seesaw/trustless';

const [configPda] = await deriveConfigPda();
const [orderbook] = await deriveOrderbookPda(marketAddress);
const [vault] = await deriveVaultPda(marketAddress);
const [userPosition] = await derivePositionPda(marketAddress, user);
const [yesMint] = await deriveYesMintPda(marketAddress);
const [noMint] = await deriveNoMintPda(marketAddress);
const [yesEscrow] = await deriveYesEscrowPda(marketAddress);
const [noEscrow] = await deriveNoEscrowPda(marketAddress);
const [traderLedger] = await deriveTraderLedgerPda(marketAddress);
const userSettlementAta = await deriveAta(user, settlementMint);
const userYesAta = await deriveAta(user, yesMint);
const userNoAta = await deriveAta(user, noMint);

// docs-check: fragment reason: shared transaction setup
import { TrustlessRpc, TrustlessResolver, listMarkets } from '@seesaw/trustless';
import { buildPlaceOrderIx, OrderSide, OrderType, parseSeesawError } from '@seesaw/core';
import { TOKEN_PROGRAM_ADDRESS, SYSTEM_PROGRAM_ADDRESS } from '@seesaw/trustless';
import { address } from '@solana/addresses';

const rpc = new TrustlessRpc({ url: process.env.SOLANA_RPC_URL! });
const resolver = new TrustlessResolver(rpc);
const user = address('YOUR_WALLET');

// Discover live markets from chain state (no Seesaw API needed).
const { value: markets } = await listMarkets(rpc);
const marketAddress = markets[0].address;

// Resolve every account PlaceOrder needs, including precondition checks
// (pause, emergency status, trading window, referral).
const r = await resolver.resolvePlaceOrder({ marketAddress, user });
// r.accounts   — all PDAs and token accounts, validated
// r.protocolTreasuryIndex — deterministically picked, fee recipient verified
// r.referral   — on-chain referral status (state: 'none' | 'expired' | 'active')
// r.prependInstructions — idempotent ATA-creates for any missing token accounts
// r.slot       — slot the reads were anchored at

const ix = buildPlaceOrderIx(
  {
    side: OrderSide.BuyNo,
    priceBps: 4_000, // 40% NO = 60% implied YES
    quantity: 10_000_000n,
    orderType: OrderType.Limit,
    protocolTreasuryIndex: r.protocolTreasuryIndex,
  },
  {
    ...r.accounts,
    user,
    tokenProgram: TOKEN_PROGRAM_ADDRESS,
    systemProgram: SYSTEM_PROGRAM_ADDRESS,
    // Attach the 3-account referral tail when the user has an active referral.
    ...(r.referral.state === 'active' && r.referral.accounts
      ? {
          takerReferralAccount: r.referral.accounts.referralAccount,
          referrerEarningsAccount: r.referral.accounts.referrerEarningsAccount,
          referrerTreasury: r.referral.accounts.referrerTreasury,
        }
      : {}),
  }
);

// Prepend any ATA-create instructions the resolver generated.
await sendInstructions([...r.prependInstructions, ix], keyPair, process.env.SOLANA_RPC_URL!);

// docs-check: fragment reason: shared transaction setup
import {
  buildCancelOrderIx,
  deriveOrderbookPda,
  deriveVaultPda,
  derivePositionPda,
  deriveYesMintPda,
  deriveNoMintPda,
  deriveYesEscrowPda,
  deriveNoEscrowPda,
  deriveTraderLedgerPda,
} from '@seesaw/core';
import { TOKEN_PROGRAM_ADDRESS, deriveAta } from '@seesaw/trustless';

// orderId comes from the API (client.api.orders.list) or from
// getOrdersByOwner(orderbook, user) after decoding the on-chain book.
const orderId = 42n;

const [orderbook] = await deriveOrderbookPda(marketAddress);
const [vault] = await deriveVaultPda(marketAddress);
const [userPosition] = await derivePositionPda(marketAddress, user);
const [yesMint] = await deriveYesMintPda(marketAddress);
const [noMint] = await deriveNoMintPda(marketAddress);
const [yesEscrow] = await deriveYesEscrowPda(marketAddress);
const [noEscrow] = await deriveNoEscrowPda(marketAddress);
const [traderLedger] = await deriveTraderLedgerPda(marketAddress);
const userTokenAccount = await deriveAta(user, settlementMint);
const userYesAta = await deriveAta(user, yesMint);
const userNoAta = await deriveAta(user, noMint);

const ix = buildCancelOrderIx(
  { orderId },
  {
    market: marketAddress,
    orderbook,
    userPosition,
    userTokenAccount,
    vault,
    user,
    tokenProgram: TOKEN_PROGRAM_ADDRESS,
    settlementMint,
    yesEscrow,
    noEscrow,
    userYesAta,
    userNoAta,
    yesMint,
    noMint,
    traderLedger,
  }
);

await sendInstructions([ix], keyPair, process.env.SOLANA_RPC_URL!);

// docs-check: fragment reason: shared transaction setup
import { TrustlessRpc, TrustlessResolver, TOKEN_PROGRAM_ADDRESS } from '@seesaw/trustless';
import { buildCancelOrderIx } from '@seesaw/core';

const rpc = new TrustlessRpc({ url: process.env.SOLANA_RPC_URL! });
const resolver = new TrustlessResolver(rpc);

const orderId = 42n;

// Fail-closed order-id verification: throws NotFoundOnChainError if the
// order is not on the book or does not belong to `user`.
await resolver.requireUserOrder(marketAddress, user, orderId);

const { value: accts, slot } = await resolver.resolveTradingAccounts({ marketAddress, user });

const ix = buildCancelOrderIx(
  { orderId },
  {
    ...accts,
    tokenProgram: TOKEN_PROGRAM_ADDRESS,
  }
);

// Prepend any missing-ATA instructions (e.g., first time holding YES shares).
await sendInstructions([...accts.prependInstructions, ix], keyPair, process.env.SOLANA_RPC_URL!);

// docs-check: fragment reason: shared transaction setup
import {
  buildRedeemIx,
  TokenType,
  deriveYesMintPda,
  deriveNoMintPda,
  deriveVaultPda,
  derivePositionPda,
  deriveOrderbookPda,
  deriveTraderLedgerPda,
} from '@seesaw/core';
import { TOKEN_PROGRAM_ADDRESS, deriveAta } from '@seesaw/trustless';

// After resolution, payout rates per outcome:
// UP:      YES = 10000/10000, NO = 0/10000
// DOWN:    YES = 0/10000,    NO = 10000/10000
// EXPIRED: YES = 5000/10000, NO = 5000/10000

const [yesMint] = await deriveYesMintPda(marketAddress);
const [noMint] = await deriveNoMintPda(marketAddress);
const [vault] = await deriveVaultPda(marketAddress);
const [userPosition] = await derivePositionPda(marketAddress, user);
const [orderbook] = await deriveOrderbookPda(marketAddress);
const [traderLedger] = await deriveTraderLedgerPda(marketAddress);
const userStablecoinAta = await deriveAta(user, settlementMint);
const userYesAta = await deriveAta(user, yesMint);
const userNoAta = await deriveAta(user, noMint);

// Redeem YES shares (call once for each token type you hold).
const redeemYesIx = buildRedeemIx(
  { amount: yesShareBalance, tokenType: TokenType.Yes },
  {
    market: marketAddress,
    yesMint,
    noMint,
    userYesAta,
    userNoAta,
    userStablecoinAta,
    vault,
    user,
    tokenProgram: TOKEN_PROGRAM_ADDRESS,
    settlementMint,
    // Optional position/orderbook/traderLedger: pass them to release
    // locked bid collateral in the same instruction.
    userPosition,
    orderbook,
    traderLedger,
  }
);

await sendInstructions([redeemYesIx], keyPair, process.env.SOLANA_RPC_URL!);

// docs-check: fragment reason: shared transaction setup
import { TrustlessRpc, TrustlessResolver, TOKEN_PROGRAM_ADDRESS } from '@seesaw/trustless';
import { buildRedeemIx, TokenType } from '@seesaw/core';

const rpc = new TrustlessRpc({ url: process.env.SOLANA_RPC_URL! });
const resolver = new TrustlessResolver(rpc);

// Verify the market is resolved and read the outcome.
const { value: market, slot } = await resolver.getMarket(marketAddress);
// market.outcome: 0=None, 1=Up, 2=Down, 3=Expired

const { value: position } = await resolver.getPosition(marketAddress, user);
if (!position || position.settled) {
  console.log('Nothing to redeem.');
} else {
  const { value: accts } = await resolver.resolveTradingAccounts({ marketAddress, user });

  const redeemYesIx = buildRedeemIx(
    { amount: position.yesShares, tokenType: TokenType.Yes },
    {
      market: marketAddress,
      yesMint: accts.yesMint,
      noMint: accts.noMint,
      userYesAta: accts.userYesAta,
      userNoAta: accts.userNoAta,
      userStablecoinAta: accts.userTokenAccount,
      vault: accts.vault,
      user,
      tokenProgram: TOKEN_PROGRAM_ADDRESS,
      settlementMint: accts.settlementMint,
      userPosition: accts.userPosition,
      orderbook: accts.orderbook,
      traderLedger: accts.traderLedger,
    }
  );

  await sendInstructions(
    [...accts.prependInstructions, redeemYesIx],
    keyPair,
    process.env.SOLANA_RPC_URL!
  );
}

// docs-check: fragment reason: shared transaction setup
import {
  buildCreateMarketBundle,
  deriveMarketPda,
  deriveOrderbookPda,
  deriveVaultPda,
  deriveYesMintPda,
  deriveNoMintPda,
  deriveYesEscrowPda,
  deriveNoEscrowPda,
  deriveTraderLedgerPda,
  deriveAssetPda,
  deriveConfigPda,
  CAPACITY_TIERS,
  PROGRAM_ADDRESS,
  resolveMarketIdFromClock,
} from '@seesaw/core';
import { SYSTEM_PROGRAM_ADDRESS, TOKEN_PROGRAM_ADDRESS } from '@seesaw/trustless';
import { address, type Address } from '@solana/addresses';

const feedId = new Uint8Array(32); // 32-byte Pyth price feed id
const durationSeconds = 900n; // 15-minute markets
const creator = address('YOUR_WALLET');
const pythFeed = address('PYTH_FEED_ACCOUNT'); // Push-mode: actual feed address
const settlementMint = address('USDT_MINT');

// CreateMarket PDAs must use Solana Clock, not local/server wall-clock time.
const marketId = await resolveMarketIdFromClock(fetchAccountData, durationSeconds);

async function fetchAccountData(account: Address): Promise<Uint8Array | null> {
  // Read `account` from your Solana RPC with base64 encoding and return bytes.
  // The resolver passes Clock sysvar here.
  throw new Error('wire this to your RPC client');
}

// Derive all PDAs
const [marketPda] = await deriveMarketPda(feedId, durationSeconds, marketId, creator);
const [orderbookPda] = await deriveOrderbookPda(marketPda);
const [vaultPda] = await deriveVaultPda(marketPda);
const [yesMint] = await deriveYesMintPda(marketPda);
const [noMint] = await deriveNoMintPda(marketPda);
const [yesEscrow] = await deriveYesEscrowPda(marketPda);
const [noEscrow] = await deriveNoEscrowPda(marketPda);
const [traderLedger] = await deriveTraderLedgerPda(marketPda);
const [assetState] = await deriveAssetPda(feedId);
const [configPda] = await deriveConfigPda();

// Pick a trader-ledger tier: 'small' (128), 'standard' (1025), or 'large' (4097).
// Raw seat counts are available separately as TRADER_LEDGER_SEAT_OPTIONS.
const tier = CAPACITY_TIERS.find((t) => t.id === 'standard')!;

const instructions = buildCreateMarketBundle(
  {
    maxConfidenceRatioBps: 500, // 5% confidence/price ratio tolerance
    durationSeconds,
    maxOracleJumpBps: 2_000, // 20% maximum inter-observation jump
    marketSizeParams: {
      bidsSize: 512, // deep-orderbook tier: 64, 128, 256, 512, 1024, 2048, or 4096
      asksSize: 512, // must match bidsSize
      numSeats: tier.numSeats,
    },
    oracleMode: 'pull', // launch default; use 'push' only for legacy-compatible feed accounts
  },
  {
    market: marketPda,
    orderbook: orderbookPda,
    vault: vaultPda,
    yesMint,
    noMint,
    assetState,
    config: configPda,
    pythFeed,
    settlementMint,
    payer: creator,
    systemProgram: SYSTEM_PROGRAM_ADDRESS,
    tokenProgram: TOKEN_PROGRAM_ADDRESS,
    yesEscrow,
    noEscrow,
    traderLedger,
  }
);
// instructions[0..N-1] = EnsureTraderLedgerSpace (0x2E) prelude
// instructions[N..M-1] = EnsureDeepOrderbookSpace (0x33) prelude
// instructions[M]      = CreateMarket (0x03)

// For small and some mid-size tiers, the whole bundle may fit in one transaction.
// For large/max tiers, split the prelude across transactions:
const MAX_PRELUDE_PER_TX = 10; // rough upper bound for a single tx at 200k CU
const prelude = instructions.slice(0, -1);
const createMarketIx = instructions[instructions.length - 1]!;

for (let i = 0; i < prelude.length; i += MAX_PRELUDE_PER_TX) {
  await sendInstructions(
    prelude.slice(i, i + MAX_PRELUDE_PER_TX),
    keyPair,
    process.env.SOLANA_RPC_URL!
  );
}
await sendInstructions([createMarketIx], keyPair, process.env.SOLANA_RPC_URL!);

// docs-check: fragment reason: shared transaction setup
import { address } from '@solana/addresses';
import {
  buildPlaceLimitOrderWithFreeFundsIx,
  OrderSide,
  OrderType,
  deriveOrderbookPda,
  derivePositionPda,
  deriveTraderLedgerPda,
  deriveVaultPda,
  deriveConfigPda,
  deriveYesEscrowPda,
  deriveNoEscrowPda,
  deriveYesMintPda,
  deriveNoMintPda,
} from '@seesaw/core';
// To cancel a free-funds order, use buildCancelOrderIx (same as a standard cancel)
// or the batch helpers: buildCancelAllOrdersWithFreeFundsIx,
// buildCancelUpToWithFreeFundsIx, buildCancelMultipleOrdersByIdWithFreeFundsIx.

const [orderbook] = await deriveOrderbookPda(marketAddress);
const [userPosition] = await derivePositionPda(marketAddress, user);
const [vault] = await deriveVaultPda(marketAddress);
const [config] = await deriveConfigPda();
const [yesEscrow] = await deriveYesEscrowPda(marketAddress);
const [noEscrow] = await deriveNoEscrowPda(marketAddress);
const [yesMint] = await deriveYesMintPda(marketAddress);
const [noMint] = await deriveNoMintPda(marketAddress);
const [traderLedger] = await deriveTraderLedgerPda(marketAddress);
const tokenProgram = address('TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA');
const systemProgram = address('11111111111111111111111111111111');
// Caller-owned token accounts and configured fee/mint accounts.
const userTokenAccount = userStablecoinAta;

// PlaceLimitOrderWithFreeFunds — no token-transfer CPI, full place-order metas.
const ffIx = buildPlaceLimitOrderWithFreeFundsIx(
  {
    side: OrderSide.BuyYes,
    priceBps: 5_500,
    quantity: 5_000_000n,
    orderType: OrderType.PostOnly,
    protocolTreasuryIndex,
  },
  {
    market: marketAddress,
    orderbook,
    userPosition,
    userTokenAccount,
    vault,
    user,
    config,
    treasuryTokenAccount,
    tokenProgram,
    systemProgram,
    settlementMint,
    yesEscrow,
    noEscrow,
    userYesAta,
    userNoAta,
    yesMint,
    noMint,
    traderLedger,
  }
);

await sendInstructions([ffIx], keyPair, process.env.SOLANA_RPC_URL!);

// docs-check: fragment reason: shared transaction setup
import { address } from '@solana/addresses';
import type { Instruction } from '@solana/instructions';
import { AccountRole } from '@solana/instructions';
import { getU32Encoder, getU64Encoder } from '@solana/codecs';

const COMPUTE_BUDGET_PROGRAM = address('ComputeBudget111111111111111111111111111111');

function setComputeUnitPrice(microLamports: bigint): Instruction {
  const data = new Uint8Array(9);
  data[0] = 3; // SetComputeUnitPrice discriminator
  const encoded = new Uint8Array(getU64Encoder().encode(microLamports));
  data.set(encoded, 1);
  return { programAddress: COMPUTE_BUDGET_PROGRAM, accounts: [], data };
}

function setComputeUnitLimit(units: number): Instruction {
  const data = new Uint8Array(5);
  data[0] = 2; // SetComputeUnitLimit discriminator
  const encoded = new Uint8Array(getU32Encoder().encode(units));
  data.set(encoded, 1);
  return { programAddress: COMPUTE_BUDGET_PROGRAM, accounts: [], data };
}

// Prepend budget instructions to your instruction list:
const instructions = [
  setComputeUnitLimit(200_000),
  setComputeUnitPrice(10_000n), // microLamports; tune to current network conditions
  ix, // your Seesaw instruction
];
await sendInstructions(instructions, keyPair, process.env.SOLANA_RPC_URL!);

// docs-check: fragment reason: shared transaction setup
import { TrustlessRpc, SimulationFailedError } from '@seesaw/trustless';
import {
  compileTransaction,
  getBase64EncodedWireTransaction,
  // ... rest of your Kit transaction assembly imports
} from '@solana/transaction-messages';

const rpc = new TrustlessRpc({ url: process.env.SOLANA_RPC_URL! });

// Assemble + compile (but don't sign yet)
const compiled = compileTransaction(msg);
const base64Tx = getBase64EncodedWireTransaction(compiled);

try {
  const sim = await rpc.simulateTransaction(base64Tx);
  if (sim.err) {
    throw new SimulationFailedError(sim.logs);
  }
  console.log(`Simulation passed — ${sim.unitsConsumed ?? 'unknown'} CU consumed`);
  // Now sign and send with your wallet stack.
} catch (e) {
  if (e instanceof SimulationFailedError) {
    console.error('Simulation failed:\n', e.logs.join('\n'));
  }
  throw e;
}

// docs-check: fragment reason: shared transaction setup
import { parseSeesawError, SeesawErrorCode } from '@seesaw/core';
import {
  AccountNotFoundError,
  AccountValidationError,
  PreconditionError,
  SimulationFailedError,
} from '@seesaw/trustless';

try {
  await sendInstructions(instructions, keyPair, rpcUrl);
} catch (error) {
  // On-chain program errors (from transaction logs)
  const parsed = parseSeesawError(error);
  if (parsed) {
    console.error(`Program error ${parsed.name}: ${parsed.message}`);
    return;
  }
  // Trustless resolution errors (before the transaction is built)
  if (error instanceof PreconditionError) {
    // e.g., market paused, trading window closed, market already resolved
    console.error(`Precondition: ${error.kind} — ${error.message}`);
  } else if (error instanceof AccountValidationError) {
    console.error(`Account invalid: ${error.account} — ${error.message}`);
  } else if (error instanceof AccountNotFoundError) {
    console.error(`Account missing: ${error.account}`);
  } else if (error instanceof SimulationFailedError) {
    console.error('Simulation failed:\n', error.logs.join('\n'));
  } else {
    throw error;
  }
}

// docs-check: fragment reason: shared transaction setup
import { buildSnapshotEndIx, deriveConfigPda } from '@seesaw/core';

const [configPda] = await deriveConfigPda();
// market.pythFeed: the feed address for push-mode markets.
// For pull-mode markets supply the ephemeral PriceUpdateV2 account instead.

const ix = buildSnapshotEndIx({
  market: marketAddress,
  pythFeed: address('PYTH_FEED_ACCOUNT'),
  caller: crankerAddress,
  config: configPda,
});

await sendInstructions([ix], crankerKeyPair, process.env.SOLANA_RPC_URL!);

// docs-check: fragment reason: shared transaction setup
import {
  buildResolveMarketIx,
  deriveConfigPda,
  deriveVaultPda,
  deriveAssetPda,
} from '@seesaw/core';

const [configPda] = await deriveConfigPda();
const [vaultPda] = await deriveVaultPda(marketAddress);
const [assetState] = await deriveAssetPda(feedId);

const ix = buildResolveMarketIx({
  market: marketAddress,
  assetState,
  caller: crankerAddress,
  config: configPda,
  vault: vaultPda,
  creatorTokenAccount: address('CREATOR_SETTLEMENT_ATA'),
  settlementMint,
  tokenProgram: TOKEN_PROGRAM_ADDRESS,
});

await sendInstructions([ix], crankerKeyPair, process.env.SOLANA_RPC_URL!);