miner Namespace

Last edited on March 17, 2026

The miner API is now deprecated because mining was switched off at the transition to proof-of-stake. It existed to provide remote control the node's mining operation and set various mining specific settings. It is provided here for historical interest!

miner_getHashrate

Get hashrate in H/s (Hash operations per second).

Client	Method invocation
Console	miner.getHashrate()
RPC	{"method": "miner_getHashrate", "params": []}

miner_setExtra

Sets the extra data a miner can include when miner blocks. This is capped at 32 bytes.

Client	Method invocation
Go	miner.setExtra(extra string) (bool, error)
Console	miner.setExtra(string)
RPC	{"method": "miner_setExtra", "params": [string]}

miner_setGasPrice

Sets the minimal accepted gas price when mining transactions. Any transactions that are below this limit are excluded from the mining process.

Client	Method invocation
Go	miner.setGasPrice(number *rpc.HexNumber) bool
Console	miner.setGasPrice(number)
RPC	{"method": "miner_setGasPrice", "params": [number]}

miner_setRecommitInterval

Updates the interval for recomitting the miner sealing work.

Client	Method invocation
Console	miner.setRecommitInterval(interval int)
RPC	{"method": "miner_setRecommitInterval", "params": [number]}

miner_start

Start the CPU mining process.

Client	Method invocation
Go	miner.Start() error
Console	miner.start()
RPC	{"method": "miner_start", "params": []}

miner_stop

Stop the CPU mining operation.

Client	Method invocation
Go	miner.Stop() bool
Console	miner.stop()
RPC	{"method": "miner_stop", "params": []}

miner_setEtherbase

Sets the etherbase (coinbase) address, where mining rewards in CTN will go.

Client	Method invocation
Go	miner.SetEtherbase(common.Address) bool
Console	miner.setEtherbase(address)
RPC	{"method": "miner_setEtherbase", "params": [address]}

miner_setGasLimit

Sets the Newton limit (gas limit) the miner will target when mining. Note: on networks with an EIP-1559-like fee market, this should be set to twice the gas target (i.e. the effective gas used on average per block).

Client	Method invocation
Go	miner.SetGasLimit(number *rpc.HexNumber) bool
Console	miner.SetGasLimit(number)
RPC	{"method": "miner_setGasLimit", "params": [number]}

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