Combine

Create Network Transaction from Signatures

Combine creates a network-specific transaction from an unsigned transaction and an array of provided signatures. The signed transaction returned from this method will be sent to the /construction/submit endpoint by the caller.

POST/construction/combine

Body

application/json

network_identifier*NetworkIdentifier (object)

The network_identifier specifies which network a particular object is associated with.

unsigned_transaction*string

signatures*array of Signature (object)

Response

200500

Expected response to a valid request

Body

application/json

signed_transaction*string

Request

JavaScriptCurlPython

const response = await fetch('/construction/combine', {
    method: 'POST',
    headers: {
      "Content-Type": "application/json"
    },
    body: JSON.stringify({
      "network_identifier": {
        "blockchain": "bitcoin",
        "network": "mainnet"
      },
      "unsigned_transaction": "text",
      "signatures": [
        {
          "signing_payload": {
            "hex_bytes": "text"
          },
          "public_key": {
            "hex_bytes": "text",
            "curve_type": "secp256k1"
          },
          "signature_type": "ecdsa",
          "hex_bytes": "text"
        }
      ]
    }),
});
const data = await response.json();

Response

200500

{
  "signed_transaction": "text"
}