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Questions tagged [bitcoin-cli]

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15
votes
1answer
11k views

How to generate SegWit address

How do I generate a SegWit address using Bitcoin Core CLI? Also will I be able to redeem those outputs and send them to a "legacy" address? If so, will this second transaction be accepted by older, ...
3
votes
2answers
1k views

How to check if an output has been spent?

Using an rpc client (e.g. bitcoin-cli), for a given transaction and index of an output of it, how can I tell if the output is currently an utxo, or if it has already been spent? In the latter case, I'...
1
vote
1answer
363 views

Is it possible to read every transaction my node relays?

I'd like to add every valid transaction my node receives to my own database. At the moment, I'm using getrawmempool every second to find new transactions, and then getting the data for them using ...
7
votes
1answer
4k views

How to sign bitcoin transaction with 'bitcoind' and non-bitcoind-wallet private key?

I want to create and sign bitcoin transaction using only 'bitcoind' and 'bitcoin-cli'. I can create a transaction using createrawtransaction RPC API, but signing it using 'signrawtransaction' fails. ...
5
votes
2answers
977 views

How to detect a fork with bitcoin-cli?

I'm keeping a simple log of blocks, and storing them in an array. When a new block arrives, I add it to the array. Let's say this is my block chain array: E <- tip D C B A Now, say a new ...
2
votes
2answers
3k views

How to send btc from the specific address using bitcoin api?

I'd like to send bitcoin from the specific address to a address using bitcoin api. I used 'sendfrom' as follows. Each address "mqXhhivMPjeVvdVMR239EVDJiRGQUYcbDZ" and "...
0
votes
1answer
644 views

createrawtransaction and fundrawtransaction

I use createrawtransaction for create a rawtransaction with [] "zero inputs" and one output. I use fundrawtransaction for populate rawtrasaction with inputs. {"method":"createrawtransaction","params"...
0
votes
2answers
2k views

bitcoin-cli could not locate RPC credentials

I'm running a bitcoind 0.16 and it seem working, blockchain in sync etc.. I've used the "new" rpcauth, which is non deprecated so kind of referennce as explained here: https://github.com/bitcoin/...
0
votes
1answer
217 views

Can somebody show me a working gettxoutproof / verifytxoutproof pair?

Can somebody please show me a working gettxoutproof / verifytxoutproof pair, I am looking for the input used on bitcoin-cli or console window in Bitcoin Core to make this happen, and the outputs. For ...