Solana JSONRPC Error Solution: Failed to receive transaction with invalid signature
The infamous “invalid signature” error! This issue can occur when using the Solana Web3 library in JavaScript applications. In this article, we will explain how to resolve this error and receive a transaction from the Solana JSON-RPC API.
What is JSONRPCE error: Failed to get transaction: invalid signature?
When you call SOLANA_CONNECTION.getTransaction(txHash, { commitment: 'finalized', maxSupportedTransactionVersion: 0 })', if the provided transaction has an invalid signature, the library will throw aJSONRPCError’ with the following message:
{
"error": {
"code": "invalidSignature",
"message": "Invalid signature"
}
}
Why does this happen?
There are several reasons why you might encounter an invalid signature error. Here are some possible reasons:
- Transaction with null version: If the transaction’s maxSupportedTransactionVersion is 0, the Solana JSON-RPC API will throw an error.
- Invalid or missing commits: Make sure that all required commits (e.g. “complete”, “confirm”, etc.) are present and valid.
- Transaction hash issues: Make sure that the transaction hash used is correct.
Resolution error
To resolve this error, follow these steps:
- Check transaction version
: Make sure that maxSupportedTransactionVersion is set to non-zero for your specific use case. For more information about the available versions, see the [Solana documentation] (
- Check transactions: Check the solana.json file (or equivalent) to make sure that all required commits are present and valid.
- Update transaction hash: If you are using a new or updated version of Solana, update the transaction hash in your code accordingly.
Sample Resolution
const solana = require('(solana');
// Create a Solana connection
const connection = new solana.Connection(solana.Key.fromUint32Array(new Uint8Array([0x01, 0x02, 0x03])), 'mainnet-beta-1');
try {
// Get the transaction hash
const txHash = await connect.getTransaction('your_transaction_hash_here', { commit: 'finalized' }).id;
// Process the transaction
console.log(Transaction ID: ${txHash.id});
} catch (error) {
console.error(error);
}
In this example, be sure to replace ‘your_transaction_hash_here’ with the actual hash you are using.
Additional Tips
- Regularly update your Solana dependencies to ensure you have the latest information on available versions and any potential issues.
- Consider implementing a retry mechanism or error handling strategy to prevent your application from crashing in the event of unexpected errors.
After following these steps, you should be able to resolve the “bad signature” error from the Solana Web3 library. If you are still experiencing issues, please feel free to reach out for further assistance!