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VM Standard Tracing

debug_standardTraceBadBlockToFile

Similar to debug_traceBadBlock, standardTraceBadBlockToFile accepts a bad block hash and will replay the bad block. It returns a list of file names containing tracing result. Note that the files will be stored in the machine that serves this API.
Client
Method Invocation
Console
debug.standardTraceBadBlockToFile(hash, [options])
RPC
{"method": "debug_standardTraceBadBlockToFile", "params": [hash, {}]}
Parameters
Name
Type
Description
hash
32-byte DATA
Hash of a block.
options
object
Return Value
Type
Description
JSON array
A list of file names. Each represents a tracing result of a transaction. The format of a file name is block_{first 4 bytes of the block hash}-{transaction index}-{first 4 bytes of the transaction hash}-{random string}.
Example
Console
> debug.standardTraceBadBlockToFile("0x1d5ba00e313a81ae6d409d459c153327072665d9ea2f47608369722baf0cfbb6")
["/var/folders/v9/z3vq7j4d42b2jq_vxsv0km6h0000gn/T/block_0x1d5ba00e-0-0xae6f8ed4-701973544", "/var/folders/v9/z3vq7j4d42b2jq_vxsv0km6h0000gn/T/block_0x1d5ba00e-1-0x2e37321f-918920039"]
HTTP RPC
curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"debug_standardTraceBadBlockToFile","params":["0x1d5ba00e313a81ae6d409d459c153327072665d9ea2f47608369722baf0cfbb6"],"id":1}' https://api.baobab.klaytn.net:8651
{"jsonrpc":"2.0","id":1,"result":["/var/folders/v9/z3vq7j4d42b2jq_vxsv0km6h0000gn/T/block_0x1d5ba00e-0-0xae6f8ed4-608268252","/var/folders/v9/z3vq7j4d42b2jq_vxsv0km6h0000gn/T/block_0x1d5ba00e-1-0x2e37321f-315574667"]}

debug_standardTraceBlockToFile

Similar to debug_traceBlock, standardTraceBlockToFile accepts a block hash and will replay the block that is already present in the database. It returns a list of file names containing tracing result. Note that the files will be stored in the machine that serves this API.
Client
Method Invocation
Console
debug.standardTraceBlockToFile(hash, [options])
RPC
{"method": "debug_standardTraceBlockToFile", "params": [hash, {}]}
Parameters
Name
Type
Description
hash
32-byte DATA
Hash of a block.
options
object
Return Value
Type
Description
JSON array
A list of file names. Each represents a tracing result of a transaction. The format of a file name is block_{first 4 bytes of the block hash}-{transaction index}-{first 4 bytes of the transaction hash}-{random string}.
Example
Console
> debug.standardTraceBlockToFile("0x485fff444481ee28debe50639f312f44e0a09342161a8906a99cf325cc2512a4")
["/var/folders/v9/z3vq7j4d42b2jq_vxsv0km6h0000gn/T/block_0x485fff44-0-0xfe8210fc-141224302"]
HTTP RPC
$ curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"debug_standardTraceBlockToFile","params":["0x485fff444481ee28debe50639f312f44e0a09342161a8906a99cf325cc2512a4"],"id":1}' https://api.baobab.klaytn.net:8651
{"jsonrpc":"2.0","id":1,"result":["/var/folders/v9/z3vq7j4d42b2jq_vxsv0km6h0000gn/T/block_0x485fff44-0-0xfe8210fc-288181237"]}

Standard Tracing Options

You may give trace API function a secondary optional argument, which specifies the options for this specific call. The possible options are:
  • disableStorage: BOOL. Setting this to true will disable storage capture (default = false).
  • disableMemory: BOOL. Setting this to true will disable memory capture (default = false).
  • disableStack: BOOL. Setting this to true will disable stack capture (default = false).
  • txHash: string. Setting this value will trace only the specified transaction.