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cfx_sendRawTransaction Errors

note

These errors are defined by conflux-rust, the official Rust implementation of Conflux protocol.

When sending transactions in Conflux Core Space via the cfx_sendRawTransaction method, certain errors may arise due to incorrect transaction construction or other issues. This guide covers common errors and their solutions.

Balance not enough​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "\"Transaction 0xf34740b7f033b13b8670df91f24537e756700a32f17e5e09a7d297701cec6859 is discarded due to out of balance, needs 9000000000420000000000000 but account balance is 90095849479680000000000\""
    }
}

Nonce Errors​

Using an already executed nonce​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "\"Transaction 0x4a2cfa73267139d965ab86d41f2af16db09e62ff92a5abffd7f8e743f36f327c is discarded due to a too stale nonce\""
    }
}

Solution: Change the nonce to the first unused one.

Using a nonce already sent to the transaction pool​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "\"tx already exist\""
    }
  }

or

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "Tx with same nonce already inserted. to replace it, you need to specify a gas price > {}"
    }
}

Solution: The transaction has already been sent to the transaction pool. To update or replace it, use the same nonce, modify the corresponding field, and resend it with a higher gasPrice value.

Using a too large nonce​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data":"\"Transaction 0xc875a03e1ce01268931a1a428d8f8313714ab5eb9c2b626bd327af7e5c3e8c03 is discarded due to in too distant future\""
    }
  }

Solution: Change the nonce to the first unused one.

Gas too small (<21000) or too large (>15m)​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "\"NotEnoughBaseGas { required: 21000, got: 2000 }\""
    }
}

Solution: Change the gas field to the right one.

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "\"transaction gas 20000000 exceeds the maximum value 15000000, the half of pivot block gas limit\""
    }
}

Solution: Change the gas field to a smaller one. The maximum value is 15 million.

Invalid gasPrice​

Gas price set to 0​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": { 
      "code": -32602,
      "message": "Invalid parameters: tx", 
      "data": "\"ZeroGasPrice\"" 
    }
}

Solution: Use return value from cfx_gasPrice as the gasPrice

Gas price smaller than minimum gas price​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "\"transaction gas price 1 less than the minimum value 20000000000\""
    }
}

Data Size Limit Exceeded​

The transaction has a size limit, with the maximum being 200k.

Incorrect epochHeight​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "\"EpochHeightOutOfBound { block_height: 53800739, set: 0, transaction_epoch_bound: 100000 }\""
    }
}

Solution: Use return value from cfx_epochNumber as the epochHeight

Mismatched chainId​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "\"ChainIdMismatch { expected: 1, got: 2 }\""
    }
}

Solution: Use chainId field from return value from cfx_status as the chainId

Encoding or Signature Errors​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: raw",
        "data": "\"RlpIncorrectListLen\""
    }
}
{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: raw",
        "data": "\"RlpExpectedToBeList\""
    }
}
{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "Can not recover pubkey for Ethereum like tx"
    }
}

Solution: Making sure you are using the SDK in the right way

Full Transaction Pool​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "txpool is full"
    }
}

or

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "Failed imported to deferred pool: Transaction Pool is full"
    }
}

Solution: Wait for a while to resend the transaction and increase the gasPrice of the transaction to improve the chances of sending.

Node in Catch-up Mode​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32077,
        "message": "Request rejected due to still in the catch up mode",
        "data": null
    }
}

Solution: Wait for the node data to sync to the latest before sending.

Internal Error​

{
    "jsonrpc": "2.0",
    "id": "15922956697249514502",
    "error": {
        "code": -32602,
        "message": "Invalid parameters: tx",
        "data": "Failed to read account_cache from storage: {}"
    }
}