curl --request POST \
--url https://api.uniblock.dev/uni/v1/json-rpc?chainId=137 \
--header 'content-type: application/json' \
--data '{
"id": 1,
"jsonrpc": "2.0",
"method": "trace_block",
"params": [
"0x2ed119"
]
}'
{
"jsonrpc": "2.0",
"id": 1,
"result": [
{
"action": {
"callType": "call",
"from": "0xaa7b131dc60b80d3cf5e59b5a21a666aa039c951",
"gas": "0x0",
"input": "0x",
"to": "0xd40aba8166a212d6892125f079c33e6f5ca19814",
"value": "0x4768d7effc3fbe"
},
"blockHash": "0x7eb25504e4c202cf3d62fd585d3e238f592c780cca82dacb2ed3cb5b38883add",
"blockNumber": 3068185,
"result": {
"gasUsed": "0x0",
"output": "0x"
},
"subtraces": 0,
"traceAddress": [],
"transactionHash": "0x07da28d752aba3b9dd7060005e554719c6205c8a3aea358599fc9b245c52f1f6",
"transactionPosition": 0,
"__truncated": true
}
]
}
Trace
trace_block
Returns traces created at given block.
POST
/
uni
/
v1
/
json-rpc
curl --request POST \
--url https://api.uniblock.dev/uni/v1/json-rpc?chainId=137 \
--header 'content-type: application/json' \
--data '{
"id": 1,
"jsonrpc": "2.0",
"method": "trace_block",
"params": [
"0x2ed119"
]
}'
{
"jsonrpc": "2.0",
"id": 1,
"result": [
{
"action": {
"callType": "call",
"from": "0xaa7b131dc60b80d3cf5e59b5a21a666aa039c951",
"gas": "0x0",
"input": "0x",
"to": "0xd40aba8166a212d6892125f079c33e6f5ca19814",
"value": "0x4768d7effc3fbe"
},
"blockHash": "0x7eb25504e4c202cf3d62fd585d3e238f592c780cca82dacb2ed3cb5b38883add",
"blockNumber": 3068185,
"result": {
"gasUsed": "0x0",
"output": "0x"
},
"subtraces": 0,
"traceAddress": [],
"transactionHash": "0x07da28d752aba3b9dd7060005e554719c6205c8a3aea358599fc9b245c52f1f6",
"transactionPosition": 0,
"__truncated": true
}
]
}
Parameters
string
default:"137"
required
Unique identifier for a blockchain network.
number
default:1
required
Request identifier used to match responses.
string
default:"2.0"
required
JSON-RPC version.
string
default:"trace_block"
required
JSON-RPC method name.
object
default:["0x2ed119"]
required
Parameters for trace_block method: [defaultBlock]Positional parameters for
trace_block:params[0]: Integer block number.params[1]: Block tag: “earliest”, “latest”, or “pending”.
Returns
array
Array - Block traces.
Show items
Show items
object
Single block-level trace result.
Show properties
Show properties
object
Details of the action performed (e.g., call, create, suicide).
Show properties
Show properties
string
Type of call (e.g., call, delegatecall, staticcall, etc.).
string
Address that initiated the action.
string
Recipient address (if applicable).
string
Input data sent along with the call.
string
Value transferred in Wei.
string
Contract creation code (only for create).
string
Contract address created or affected.
string
Balance involved in suicide actions.
object
integer
Number of nested trace steps inside this one.
string
Type of trace (e.g., call, create, suicide).
string
Error message if the trace step failed.
curl --request POST \
--url https://api.uniblock.dev/uni/v1/json-rpc?chainId=137 \
--header 'content-type: application/json' \
--data '{
"id": 1,
"jsonrpc": "2.0",
"method": "trace_block",
"params": [
"0x2ed119"
]
}'
{
"jsonrpc": "2.0",
"id": 1,
"result": [
{
"action": {
"callType": "call",
"from": "0xaa7b131dc60b80d3cf5e59b5a21a666aa039c951",
"gas": "0x0",
"input": "0x",
"to": "0xd40aba8166a212d6892125f079c33e6f5ca19814",
"value": "0x4768d7effc3fbe"
},
"blockHash": "0x7eb25504e4c202cf3d62fd585d3e238f592c780cca82dacb2ed3cb5b38883add",
"blockNumber": 3068185,
"result": {
"gasUsed": "0x0",
"output": "0x"
},
"subtraces": 0,
"traceAddress": [],
"transactionHash": "0x07da28d752aba3b9dd7060005e554719c6205c8a3aea358599fc9b245c52f1f6",
"transactionPosition": 0,
"__truncated": true
}
]
}
Was this page helpful?
⌘I