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1

There are several solutions out there and currently the most hyped one is probably BTC-Pay. It also supports lightning, so you should be pretty future-ready.


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If you're new to Bitcoin, I would advise you to play around btc wallet on testnet you could check mycelium for instance and get some btc via faucet. You need to understand that you don't need any third party for interacting with bitcoins, you just require a wallet. A wallet is a program that handle UTXOs, craft transactions and broadcast them to bitcoind ...


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You cannot as there currently no way in Bitcoin Core's RPC to get multiple blocks with one command. You will have to issue multiple getblock commands. If you use a JSON-RPC client programmatically, you can use JSON-RPC's batched requests in order to have to only send one JSON-RPC request to execute multiple RPCs and get the results back in one response. As ...


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The fee estimator works by targeting the number of blocks that will occur between the time when you broadcast and when it confirms. So a confirmation target of 6 would mean that the fee estimator is trying to get your transaction confirmed within 6 blocks. The fee estimator does not know within how many blocks you want your transaction to be confirmed, so it ...


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A PSBT contains an unsigned transaction that has all of the inputs and output that you want. The other data PSBT allows for are put in around that unsigned transaction. Here, data just means that the unsigned transaction will have an output that has an OP_RETURN followed by whatever data you want. This directly reflects what createrawtransaction. data is ...


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With two separate signed raw transactions from two users, how would one go about 'batching' these manually (combining the inputs and outputs into a single transaction)? If you are trying to combine two independently signed transactions together it would include a number of constraints on how the amount can be spent and how the transaction is structured. ...


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I think this RPC API is what you are looking for: omni_listtransactions : List wallet transactions, optionally filtered by an address and block boundaries. https://github.com/OmniLayer/omnicore/blob/master/src/omnicore/doc/rpc-api.md#omni_listtransactions


3

The two modes don't just unconditionally return the same thing. They do different calculations and can return different results under certain conditions, particularly when fees are very variable for low confirmation targets. The current fee situation just makes it so that the estimator ends up using the same values for both modes.


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