makeTransaction

Builds a transaction and returns a ContractParametersContext without relaying it.

This method is commonly used for multi-signature or external signing flows.

Parameters

1. invocations (required)

InvocationArguments[]

2. signers (optional)

Signer[]

3. attributes (optional)

TransactionAttribute[]

4. options (optional)

TransactionOptions

Returns

Promise<ContractParametersContext>

type ContractParametersContext = {
  type: "Neo.Network.P2P.Payloads.Transaction";
  hash: UInt256;
  data: Base64Encoded;
  items: Record<
    UInt160,
    {
      script: Base64Encoded;
      parameters: Argument[];
      signatures: Record<ECPoint, Base64Encoded>;
    }
  >;
  network: Network;
};

Errors

Code	Name	Description
10002	INVALID	One or more inputs are invalid.
10004	FAILED	Contract execution failed.
10005	TIMEOUT	The request timed out.
10006	CANCELED	The user rejected the transaction build request.
10008	RPC_ERROR	The RPC server returned an error.

Example

Request

const context = await provider.makeTransaction(
  [
    {
      hash: "0xd2a4cff31913016155e38e474a2c06d08be276cf",
      operation: "transfer",
      args: [
        { type: "Hash160", value: "0x9a7c5085dcdd4adf9ec12f2d1a7d6b741ad4b20a" },
        { type: "Hash160", value: "0x79f3ac32a7b68280da5cf4207139c7349261f7bd" },
        { type: "Integer", value: "200000" },
        { type: "Any" },
      ],
    },
  ],
  [
    {
      account: "0x9a7c5085dcdd4adf9ec12f2d1a7d6b741ad4b20a",
      scopes: "CalledByEntry",
    },
  ],
  [],
  {
    extraSystemFee: "10000",
    suggestedSystemFee: "1000000",
  },
);

Response

{
  type: 'Neo.Network.P2P.Payloads.Transaction',
  hash: '9ec26f10d2da8d4dc6ddf68893318660ed234e9d5173ddb146fe955067c17a8d',
  data: 'AJ80ThdAQg8AAAAAAHCTAAAAAAAAdmjmAAEKstQadGt9Gi0vwZ7fSt3chVB8mgEAWgsCQA0DAAwUvfdhkjTHOXEg9FzagIK2pzKs83kMFAqy1Bp0a30aLS/Bnt9K3dyFUHyaFMAfDAh0cmFuc2ZlcgwUz3bii9AGLEpHjuNVYQETGfPPpNJBYn1bUgA=',
  items: {
    '9a7c5085dcdd4adf9ec12f2d1a7d6b741ad4b20a': {
      script: '',
      parameters: [],
      signatures: {}
    }
  },
  network: 894710606
}