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Parameters

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chainId
string
default:"1101"
required
Unique identifier for a blockchain network.
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id
number
default:1
required
Request identifier used to match responses.
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jsonrpc
string
default:"2.0"
required
JSON-RPC version.
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method
string
default:"debug_traceCallMany"
required
JSON-RPC method name.
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params
object
required
Parameters for debug_traceCallMany. 1. Bundles (required): an array of bundles. Each bundle is an object with: - transactions: an array of transaction objects (each with fields such as from, to, value, data), - blockOverride (optional): an object with overrides (blockNumber, blockHash mapping, coinbase, timestamp, difficulty, gasLimit, baseFee). 2. Simulation context (required): an object with blockIdentifier (a hex block number or one of “latest”, “earliest”, “pending”, “safe”, “finalized”) and transactionIndex (integer, default -1). 3. State overrides (optional): an object mapping addresses to state override objects (here, at least a balance override as a hex string). 4. Timeout (optional): integer timeout in milliseconds (default 5000). 5. Trace type (optional): an object with tracer (string, enum: callTracer, prestateTracer), tracerConfig (object), and onlyTopCall (boolean).Positional parameters for debug_traceCallMany:
  • params[0]: List of bundles. Each bundle is an object with transactions and an optional blockOverride.
  • params[1]: Simulation context. Contains blockIdentifier (a hex block number or tag) and transactionIndex (default -1).
  • params[2]: Optional state overrides: a mapping from address to an override object (e.g. balance).
  • params[3]: Simulation timeout in milliseconds.
  • params[4]: Tracer configuration (optional). Contains tracer type, optional tracerConfig, and onlyTopCall flag.

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Returns

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result
array
Array of trace responses corresponding to each simulated bundle. Each trace response is one of: callTracer response, prestateTracer response, or opcode (struct) response.
curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=1101 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "debug_traceCallMany",
    "params": [
      [],
      {},
      {},
      5000,
      {}
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": []
}