eth_signTransaction

Returns an RLP encoded transaction signed by the specified account.

https://api.1inch.com/web3/10
Supported on:
Optimism

Parameters

Transaction (required)

Transaction
* object
type
string
nonce
string
to
any
oneOf[0]
null
oneOf[1]
string
from
string
gas
string
value
string
input
string
gasPrice
string
The gas price willing to be paid by the sender in wei
maxPriorityFeePerGas
string
Maximum fee per gas the sender is willing to pay to miners in wei
maxFeePerGas
string
The maximum total fee per gas the sender is willing to pay (includes the network / base fee and miner / priority fee) in wei
maxFeePerBlobGas
string
The maximum total fee per gas the sender is willing to pay for blob gas in wei
accessList
array
EIP-2930 access list
items
object
address
* string
storageKeys
* array
items
string
additionalProperties
none
blobVersionedHashes
array
List of versioned blob hashes associated with the transaction's EIP-4844 data blobs.
items
string
blobs
array
Raw blob data.
items
string
chainId
string
Chain ID that this transaction is valid on.
authorizationList
array
EIP-7702 authorization list
items
object
chainId
* string
Chain ID on which this transaction is valid
nonce
* string
address
* string
yParity
* string
The parity (0 for even, 1 for odd) of the y-value of the secp256k1 signature
r
* string
s
* string
additionalProperties
none

Request

Request
object
jsonrpc
* string (Enum)
JSON-RPC version
2.0
method
* string
The method to call
params
array
Method parameters
items
object
type
string
nonce
string
to
any
oneOf[0]
null
oneOf[1]
string
from
string
gas
string
value
string
input
string
gasPrice
string
The gas price willing to be paid by the sender in wei
maxPriorityFeePerGas
string
Maximum fee per gas the sender is willing to pay to miners in wei
maxFeePerGas
string
The maximum total fee per gas the sender is willing to pay (includes the network / base fee and miner / priority fee) in wei
maxFeePerBlobGas
string
The maximum total fee per gas the sender is willing to pay for blob gas in wei
accessList
array
EIP-2930 access list
items
object
address
* string
storageKeys
* array
items
string
additionalProperties
none
blobVersionedHashes
array
List of versioned blob hashes associated with the transaction's EIP-4844 data blobs.
items
string
blobs
array
Raw blob data.
items
string
chainId
string
Chain ID that this transaction is valid on.
authorizationList
array
EIP-7702 authorization list
items
object
chainId
* string
Chain ID on which this transaction is valid
nonce
* string
address
* string
yParity
* string
The parity (0 for even, 1 for odd) of the y-value of the secp256k1 signature
r
* string
s
* string
additionalProperties
none
id
* number
Request ID
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const response = await fetch('https://api.1inch.com/web3/10', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    Authorization: `Bearer ${API_KEY}`,
  },
  body: JSON.stringify({
    jsonrpc: '2.0',
    method: 'eth_signTransaction',
    params: [
      {
        type: 'string',
        nonce: 'string',
        to: null,
        from: 'string',
        gas: 'string',
        value: 'string',
        input: 'string',
        gasPrice: 'string',
        maxPriorityFeePerGas: 'string',
        maxFeePerGas: 'string',
        maxFeePerBlobGas: 'string',
        accessList: [
          {
            address: 'string',
            storageKeys: ['string'],
          },
        ],
        blobVersionedHashes: ['string'],
        blobs: ['string'],
        chainId: 'string',
        authorizationList: [
          {
            chainId: 'string',
            nonce: 'string',
            address: 'string',
            yParity: 'string',
            r: 'string',
            s: 'string',
          },
        ],
      },
    ],
    id: 1,
  }),
});

const data = await response.json();
console.log(data);

Response

Encoded transaction

Encoded transaction
string
JSON
1
2
"0xa3f20717a250c2b0b729b7e5becbff67fdaef7e0699da4de7ca5895b02a170a12d887fd3b17bfdce3481f10bea41f45ba9f709d39ce8325427b57afcfc994cee1b"

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