[bitcoin] Auto generate new block when broadcast Bitcoin tx in local network

[jolestar]

Proposal Details

On the Bitcoin regtest network, developers need to manually trigger a new block via the bitcoin-cli generatetoaddress command.

Some examples are in the document Bitcoin local development environment and test cases in bitseed and bitcoin.

We can auto-generate a new block when broadcasting Bitcoin tx via RPC

rooch/crates/rooch-rpc-api/src/api/btc_api.rs

Lines 39 to 46 in 2d65e2e

	/// Broadcast a Bitcoin transaction
	#[method(name = "broadcastTX")]
	async fn broadcast_tx(
	&self,
	hex: BytesView,
	maxfeerate: Option<f64>,
	maxburnamount: Option<f64>,
	) -> RpcResult<String>;

Note: this only available for Roch local network and Bitcoin regtest network.

[wfnuser]

Maybe I can have a try on this one?

[wfnuser]

@jolestar Hi, I’ve just started looking into this issue and wanted to clarify. When you mentioned “auto-generate new block,” did you mean that after the client requests to broadcast a transaction, it should then send an additional request to generate a new block?

If that’s the case, could you provide some guidance on where the logic for packaging transactions into a block is implemented? That would help me get started, thanks!

[jolestar]

The bitcoin cli generates a new block via a command; it should be an RPC request.

bitcoin-cli generatetoaddress 1 <address>

https://github.com/rooch-network/rooch/tree/main/scripts/bitcoin