debug_chainConfig

Note

Served only when debug is named in --http.api or --ws.api; see Enabling Namespaces.

Returns the chain configuration from the node’s genesis: the chain id and the block numbers and timestamps at which each Ethereum fork activates.

Parameters

None

Returns

Object - The config section of the genesis. Every number is a JSON number, not a hex string, and a fork the genesis does not configure is omitted:

chainId: Number - The chain id.
homesteadBlock, eip150Block, eip155Block, eip158Block, byzantiumBlock, constantinopleBlock, petersburgBlock, istanbulBlock, berlinBlock, londonBlock: Number - The block at which each block-numbered fork activates.
shanghaiTime, cancunTime, pragueTime: Number - The timestamp at which each time-based fork activates.
daoForkSupport: Boolean - Always present; false on Telcoin Network.
terminalTotalDifficulty: Number - The terminal total difficulty, when configured.
terminalTotalDifficultyPassed: Boolean - Always present.

Example

Request

curl http://localhost:8545 \
 -X POST \
 -H "Content-Type: application/json" \
 --data '{"jsonrpc":"2.0","method":"debug_chainConfig","params":[],"id":1}'

Result

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "chainId": 2017,
    "homesteadBlock": 0,
    "daoForkSupport": false,
    "eip150Block": 0,
    "eip155Block": 0,
    "eip158Block": 0,
    "byzantiumBlock": 0,
    "constantinopleBlock": 0,
    "petersburgBlock": 0,
    "istanbulBlock": 0,
    "berlinBlock": 0,
    "londonBlock": 0,
    "shanghaiTime": 0,
    "cancunTime": 0,
    "pragueTime": 0,
    "terminalTotalDifficulty": 0,
    "terminalTotalDifficultyPassed": true
  }
}