trace_callMany

Performs multiple call-traces on top of the same block. You can analyze the interactions between different transactions and contracts.

Parameters

• block parameter: [Required] The hexadecimal block number, or the string latest, earliest, or pending. See the default block parameter.
• options: A list of tracing options. Tracing options are trace and stateDiff. Specify both options or none.

Returns

• result: A trace object that includes the trace and stateDiff.

Example

Replace YOUR-API-KEY with an API key from your Infura dashboard.

Request

cURL

curl https://mainnet.infura.io/v3/YOUR-API-KEY \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"trace_callMany","params":[[[{"from":"0x407d73d8a49eeb85d32cf465507dd71d507100c1","to":"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b","value":"0x186a0"},["trace"]],[{"from":"0x407d73d8a49eeb85d32cf465507dd71d507100c1","to":"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b","value":"0x186a0"},["trace"]]],"latest"],"latest"],"id":1}

WSS

wscat -c wss://mainnet.infura.io/ws/v3/YOUR-API-KEY -x '{"jsonrpc":"2.0","method":"trace_callMany","params":[[[{"from":"0x407d73d8a49eeb85d32cf465507dd71d507100c1","to":"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b","value":"0x186a0"},["trace"]],[{"from":"0x407d73d8a49eeb85d32cf465507dd71d507100c1","to":"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b","value":"0x186a0"},["trace"]]],"latest"],"latest"],"id":1}'

Response

JSON

{
    "jsonrpc": "2.0",
    "result": [
      {
      "output" : "0x",
      "stateDiff" : null,
      "trace" : [ {
        "action" : {
          "callType" : "call",
          "from" : "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
          "gas" : "0x1dcd12f8",
          "input" : "0x",
          "to" : "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          "value" : "0x186a0"
      },
      "result" : {
        "gasUsed" : "0x0",
        "output" : "0x"
      },
      "subtraces" : 0,
      "traceAddress" : [ ],
      "type" : "call"
    } ],
    "vmTrace" : null
    },
    {
      "output" : "0x",
      "stateDiff" : null,
      "trace" : [ {
        "action" : {
          "callType" : "call",
          "from" : "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
          "gas" : "0x1dcd12f8",
          "input" : "0x",
          "to" : "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          "value" : "0x186a0"
      },
      "result" : {
        "gasUsed" : "0x0",
        "output" : "0x"
      },
      "subtraces" : 0,
      "traceAddress" : [ ],
      "type" : "call"
    } ],
    "vmTrace" : null
    },
  ],
"id" : 1
}