View contract code changes

Returns code changes made when deploying a contract. Change is returned is a base64 encoded WASM file.

• method: EXPERIMENTAL_changes

• params:

  • changes_type: contract_code_changes

  • account_ids: ["example.testnet"],

  • finality OR block_id

Example:

// Request
curl  https://near.blockpi.network/v1/rpc/your-rpc-key -X POST -H "Content-Type: application/json" 
--data 
'{
  "jsonrpc": "2.0",
  "id": "dontcare",
  "method": "EXPERIMENTAL_changes",
  "params": {
    "changes_type": "contract_code_changes",
    "account_ids": ["dev-1602714453032-7566969"],
    "block_id": 20046655
  }
}'

// Result
{
    "error": {
        "name": <ERROR_TYPE>,
        "cause": {
            "info": {..},
            "name": <ERROR_CAUSE>
        },
        "code": -32000,
        "data": String,
        "message": "Server error",
    },
    "id": "dontcare",
    "jsonrpc": "2.0"
}