trace namespace

trace_block

Parameters

1. numberOrTag: string (block number or hash or either of earliest, finalized, latest, pending, or safe)

Request

curl localhost:8545 \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
      "jsonrpc": "2.0",
      "id": 0,
      "method": "trace_block",
      "params": [numberOrTag]
    }'

Response

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": result
}

result: array of object

• action: object
  • author: string (address)
  • callType: string
  • creationMethod: string
  • error: string
  • from: string (address)
  • gas: string (hex integer)
  • includeInTrace: boolean
  • input: string (hex data)
  • isPrecompiled: boolean
  • result: object
    • address: string (address)
    • code: string (hex data)
    • gasUsed: string (hex integer)
    • output: string (hex data)
  • rewardType: string
  • subtraces: array of object
  • to: string (address)
  • traceAddress: array of string (hex integer)
  • type: string
  • value: string (hex integer)
• blockHash: string (hash)
• blockNumber: string (hex integer)
• error: string
• result: object
  • address: string (address)
  • code: string (hex data)
  • gasUsed: string (hex integer)
  • output: string (hex data)
• subtraces: string (hex integer)
• traceAddress: array of string (hex integer)
• transactionHash: string (hash)
• transactionPosition: string (hex integer)
• type: string

trace_call

Parameters

1. call: object

   • blockHash: string (hash)
   • blockNumber: string (hex integer)
   • hash: string (hash)
   • transactionIndex: string (hex integer)
   • type: integer

2. traceTypes: array of string

3. blockParameter: string (block number or hash or either of earliest, finalized, latest, pending, or safe)

Request

curl localhost:8545 \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
      "jsonrpc": "2.0",
      "id": 0,
      "method": "trace_call",
      "params": [call, traceTypes, blockParameter]
    }'

Response

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": result
}

result: object

• action: object
  • author: string (address)
  • callType: string
  • creationMethod: string
  • error: string
  • from: string (address)
  • gas: string (hex integer)
  • includeInTrace: boolean
  • input: string (hex data)
  • isPrecompiled: boolean
  • result: object
    • address: string (address)
    • code: string (hex data)
    • gasUsed: string (hex integer)
    • output: string (hex data)
  • rewardType: string
  • subtraces: array of object
  • to: string (address)
  • traceAddress: array of string (hex integer)
  • type: string
  • value: string (hex integer)
• output: string (hex data)
• stateChanges: map of object
  • balance: object
    • after: string (hex integer)
    • before: string (hex integer)
  • code: object
    • after: string (hex data)
    • before: string (hex data)
  • nonce: object
    • after: string (hex integer)
    • before: string (hex integer)
  • storage: map of object
    • after: string (hex data)
    • before: string (hex data)
• transactionHash: string (hash)
• vmTrace: object
  • code: string (hex data)
  • operations: array of object
    • cost: string (hex integer)
    • memory: object
      • data: string (hex data)
      • offset: string (hex integer)
    • pc: string (hex integer)
    • push: array of string (hex data)
    • store: object
      • key: string (hex data)
      • value: string (hex data)
    • sub: object
    • used: string (hex integer)

trace_callMany

Performs multiple traces on top of a block

Parameters

1. calls: array of object

• traceTypes: array of string
• transaction: object
  • blockHash: string (hash)
  • blockNumber: string (hex integer)
  • hash: string (hash)
  • transactionIndex: string (hex integer)
  • type: integer

2. blockParameter: string (block number or hash or either of earliest, finalized, latest, pending, or safe)

Request

curl localhost:8545 \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
      "jsonrpc": "2.0",
      "id": 0,
      "method": "trace_callMany",
      "params": [calls, blockParameter]
    }'

Response

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": result
}

result: array of object

• action: object
  • author: string (address)
  • callType: string
  • creationMethod: string
  • error: string
  • from: string (address)
  • gas: string (hex integer)
  • includeInTrace: boolean
  • input: string (hex data)
  • isPrecompiled: boolean
  • result: object
    • address: string (address)
    • code: string (hex data)
    • gasUsed: string (hex integer)
    • output: string (hex data)
  • rewardType: string
  • subtraces: array of object
  • to: string (address)
  • traceAddress: array of string (hex integer)
  • type: string
  • value: string (hex integer)
• output: string (hex data)
• stateChanges: map of object
  • balance: object
    • after: string (hex integer)
    • before: string (hex integer)
  • code: object
    • after: string (hex data)
    • before: string (hex data)
  • nonce: object
    • after: string (hex integer)
    • before: string (hex integer)
  • storage: map of object
    • after: string (hex data)
    • before: string (hex data)
• transactionHash: string (hash)
• vmTrace: object
  • code: string (hex data)
  • operations: array of object
    • cost: string (hex integer)
    • memory: object
      • data: string (hex data)
      • offset: string (hex integer)
    • pc: string (hex integer)
    • push: array of string (hex data)
    • store: object
      • key: string (hex data)
      • value: string (hex data)
    • sub: object
    • used: string (hex integer)

trace_filter

Parameters

1. traceFilterForRpc: object
   • after: string (hex integer)
   • count: string (hex integer)
   • fromAddress: array of string (address)
   • fromBlock: string (block number or hash or either of earliest, finalized, latest, pending, or safe)
   • toAddress: array of string (address)
   • toBlock: string (block number or hash or either of earliest, finalized, latest, pending, or safe)

Request

curl localhost:8545 \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
      "jsonrpc": "2.0",
      "id": 0,
      "method": "trace_filter",
      "params": [traceFilterForRpc]
    }'

Response

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": result
}

result: array of object

• action: object
  • author: string (address)
  • callType: string
  • creationMethod: string
  • error: string
  • from: string (address)
  • gas: string (hex integer)
  • includeInTrace: boolean
  • input: string (hex data)
  • isPrecompiled: boolean
  • result: object
    • address: string (address)
    • code: string (hex data)
    • gasUsed: string (hex integer)
    • output: string (hex data)
  • rewardType: string
  • subtraces: array of object
  • to: string (address)
  • traceAddress: array of string (hex integer)
  • type: string
  • value: string (hex integer)
• blockHash: string (hash)
• blockNumber: string (hex integer)
• error: string
• result: object
  • address: string (address)
  • code: string (hex data)
  • gasUsed: string (hex integer)
  • output: string (hex data)
• subtraces: string (hex integer)
• traceAddress: array of string (hex integer)
• transactionHash: string (hash)
• transactionPosition: string (hex integer)
• type: string

trace_get

Returns trace at given position.

Parameters

1. txHash: string (hash)

2. positions: array of string (hex integer)

Request

curl localhost:8545 \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
      "jsonrpc": "2.0",
      "id": 0,
      "method": "trace_get",
      "params": [txHash, positions]
    }'

Response

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": result
}

result: array of object

• action: object
  • author: string (address)
  • callType: string
  • creationMethod: string
  • error: string
  • from: string (address)
  • gas: string (hex integer)
  • includeInTrace: boolean
  • input: string (hex data)
  • isPrecompiled: boolean
  • result: object
    • address: string (address)
    • code: string (hex data)
    • gasUsed: string (hex integer)
    • output: string (hex data)
  • rewardType: string
  • subtraces: array of object
  • to: string (address)
  • traceAddress: array of string (hex integer)
  • type: string
  • value: string (hex integer)
• blockHash: string (hash)
• blockNumber: string (hex integer)
• error: string
• result: object
  • address: string (address)
  • code: string (hex data)
  • gasUsed: string (hex integer)
  • output: string (hex data)
• subtraces: string (hex integer)
• traceAddress: array of string (hex integer)
• transactionHash: string (hash)
• transactionPosition: string (hex integer)
• type: string

trace_rawTransaction

Traces a call to eth_sendRawTransaction without making the call, returning the traces

Parameters

1. data: string (hex data)

2. traceTypes: array of string

Request

curl localhost:8545 \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
      "jsonrpc": "2.0",
      "id": 0,
      "method": "trace_rawTransaction",
      "params": [data, traceTypes]
    }'

Response

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": result
}

result: object

• action: object
  • author: string (address)
  • callType: string
  • creationMethod: string
  • error: string
  • from: string (address)
  • gas: string (hex integer)
  • includeInTrace: boolean
  • input: string (hex data)
  • isPrecompiled: boolean
  • result: object
    • address: string (address)
    • code: string (hex data)
    • gasUsed: string (hex integer)
    • output: string (hex data)
  • rewardType: string
  • subtraces: array of object
  • to: string (address)
  • traceAddress: array of string (hex integer)
  • type: string
  • value: string (hex integer)
• output: string (hex data)
• stateChanges: map of object
  • balance: object
    • after: string (hex integer)
    • before: string (hex integer)
  • code: object
    • after: string (hex data)
    • before: string (hex data)
  • nonce: object
    • after: string (hex integer)
    • before: string (hex integer)
  • storage: map of object
    • after: string (hex data)
    • before: string (hex data)
• transactionHash: string (hash)
• vmTrace: object
  • code: string (hex data)
  • operations: array of object
    • cost: string (hex integer)
    • memory: object
      • data: string (hex data)
      • offset: string (hex integer)
    • pc: string (hex integer)
    • push: array of string (hex data)
    • store: object
      • key: string (hex data)
      • value: string (hex data)
    • sub: object
    • used: string (hex integer)

trace_replayBlockTransactions

Parameters

1. blockParameter: string (block number or hash or either of earliest, finalized, latest, pending, or safe)

2. traceTypes: array of string

Request

curl localhost:8545 \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
      "jsonrpc": "2.0",
      "id": 0,
      "method": "trace_replayBlockTransactions",
      "params": [blockParameter, traceTypes]
    }'

Response

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": result
}

result: array of object

• action: object
  • author: string (address)
  • callType: string
  • creationMethod: string
  • error: string
  • from: string (address)
  • gas: string (hex integer)
  • includeInTrace: boolean
  • input: string (hex data)
  • isPrecompiled: boolean
  • result: object
    • address: string (address)
    • code: string (hex data)
    • gasUsed: string (hex integer)
    • output: string (hex data)
  • rewardType: string
  • subtraces: array of object
  • to: string (address)
  • traceAddress: array of string (hex integer)
  • type: string
  • value: string (hex integer)
• output: string (hex data)
• stateChanges: map of object
  • balance: object
    • after: string (hex integer)
    • before: string (hex integer)
  • code: object
    • after: string (hex data)
    • before: string (hex data)
  • nonce: object
    • after: string (hex integer)
    • before: string (hex integer)
  • storage: map of object
    • after: string (hex data)
    • before: string (hex data)
• transactionHash: string (hash)
• vmTrace: object
  • code: string (hex data)
  • operations: array of object
    • cost: string (hex integer)
    • memory: object
      • data: string (hex data)
      • offset: string (hex integer)
    • pc: string (hex integer)
    • push: array of string (hex data)
    • store: object
      • key: string (hex data)
      • value: string (hex data)
    • sub: object
    • used: string (hex integer)

trace_replayTransaction

Parameters

1. txHash: string (hash)

2. traceTypes: array of string

Request

curl localhost:8545 \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
      "jsonrpc": "2.0",
      "id": 0,
      "method": "trace_replayTransaction",
      "params": [txHash, traceTypes]
    }'

Response

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": result
}

result: object

• action: object
  • author: string (address)
  • callType: string
  • creationMethod: string
  • error: string
  • from: string (address)
  • gas: string (hex integer)
  • includeInTrace: boolean
  • input: string (hex data)
  • isPrecompiled: boolean
  • result: object
    • address: string (address)
    • code: string (hex data)
    • gasUsed: string (hex integer)
    • output: string (hex data)
  • rewardType: string
  • subtraces: array of object
  • to: string (address)
  • traceAddress: array of string (hex integer)
  • type: string
  • value: string (hex integer)
• output: string (hex data)
• stateChanges: map of object
  • balance: object
    • after: string (hex integer)
    • before: string (hex integer)
  • code: object
    • after: string (hex data)
    • before: string (hex data)
  • nonce: object
    • after: string (hex integer)
    • before: string (hex integer)
  • storage: map of object
    • after: string (hex data)
    • before: string (hex data)
• transactionHash: string (hash)
• vmTrace: object
  • code: string (hex data)
  • operations: array of object
    • cost: string (hex integer)
    • memory: object
      • data: string (hex data)
      • offset: string (hex integer)
    • pc: string (hex integer)
    • push: array of string (hex data)
    • store: object
      • key: string (hex data)
      • value: string (hex data)
    • sub: object
    • used: string (hex integer)

trace_transaction

Parameters

1. txHash: string (hash)

Request

curl localhost:8545 \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
      "jsonrpc": "2.0",
      "id": 0,
      "method": "trace_transaction",
      "params": [txHash]
    }'

Response

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": result
}

result: array of object

• action: object
  • author: string (address)
  • callType: string
  • creationMethod: string
  • error: string
  • from: string (address)
  • gas: string (hex integer)
  • includeInTrace: boolean
  • input: string (hex data)
  • isPrecompiled: boolean
  • result: object
    • address: string (address)
    • code: string (hex data)
    • gasUsed: string (hex integer)
    • output: string (hex data)
  • rewardType: string
  • subtraces: array of object
  • to: string (address)
  • traceAddress: array of string (hex integer)
  • type: string
  • value: string (hex integer)
• blockHash: string (hash)
• blockNumber: string (hex integer)
• error: string
• result: object
  • address: string (address)
  • code: string (hex data)
  • gasUsed: string (hex integer)
  • output: string (hex data)
• subtraces: string (hex integer)
• traceAddress: array of string (hex integer)
• transactionHash: string (hash)
• transactionPosition: string (hex integer)
• type: string