@coinbase/cdp-sdk/_esm/actions/solana/signTransaction.js

SDK for interacting with the Coinbase Developer Platform Wallet API

/**
 * Signs a transaction.
 *
 * @param apiClient - The API client.
 * @param {SignTransactionOptions} options - Parameters for signing the transaction.
 * @param {string} options.address - The address to sign the transaction for.
 * @param {string} options.transaction - The transaction to sign.
 * @param {string} [options.idempotencyKey] - An idempotency key.
 *
 * @returns A promise that resolves to the signature.
 *
 * @example
 * ```ts
 * // Create a Solana account
 * const account = await cdp.solana.createAccount();
 *
 * // Add your transaction instructions here
 * const transaction = new Transaction()
 *
 * // Make sure to set requireAllSignatures to false, since signing will be done through the API
 * const serializedTransaction = transaction.serialize({
 *   requireAllSignatures: false,
 * });
 *
 * // Base64 encode the serialized transaction
 * const transaction = Buffer.from(serializedTransaction).toString("base64");
 *
 * // When you want to sign a transaction, you can do so by address and base64 encoded transaction
 * const signature = await signTransaction(cdp.solana, {
 *   address: account.address,
 *   transaction,
 * });
 * ```
 */
export async function signTransaction(apiClient, options) {
    const signature = await apiClient.signSolanaTransaction(options.address, {
        transaction: options.transaction,
    }, options.idempotencyKey);
    return {
        signedTransaction: signature.signedTransaction,
        signature: signature.signedTransaction,
    };
}
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