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I am developing a wallet program and current using testnet, I need faucet to charge wallet with some bitcoin,
where I can do this?
And if it is ok, please also tell online faucet service for ethereum testnet.
Thanks in advance.
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Hi,
I don't have any "tutorial" nor code simple enough to give you. But I can help you to think about what do you need to implement.
First what is a wallet ? It's an interface to the Bitcoin network.
In order to use it what do you need ? A key pair;
I think you should begin by generating key pairs in different formats (compressed, uncompressed, b58check-encoded, b58check-decoded, WIF-encoded, WIF-decoded, encrypted, etc..)
Hi thanks for reply. If a "lightweight wallet" is what I need to implement, 1, generate key pair and address; 2, issue transaction 3, get balance 4, get exchange rate are all what I suppose to do, and implement with bitcore-lib, is there any good guide to show how to implement? Thanks. What currency pair are you looking for exchange wise? I can maybe give some info/support regarding exchange APIs Hi, I know a library named ccxt, almost composited all currencies: https://github.com/ccxt/ccxtany comments? Looks fine to me, rather well supported/updated & a huge following. I'd go with that for the price portion if you want it to be more advanced. Although, it may be a tad overkill. A simple request to https://blockchain.info/ticker will provide prices as well. For bcoin, its bcoin program will run a node and sync chain data on local machine; but for blockchain.info apis, its wallet program does not require run a node to call api, why? |
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I've heard of it but never used it. It seems good. One thing I do confuse is that through bitcore-lib, I can implement a wallet, why bitcore and many other apis like blockchaininfo still provide wallet programs which will require at least a rpc call to be function? Running wallet as an extra rpc process could increase the complexity of a project, which I'd rather implement with a internal library(as bitcore-lib). I don't understand this part : which will require at least a rpc call to be function? If you wonder why use RPC if we have a library which could do a similar thing, then the answer is that to interact with the network you sometimes have to have some informations only a node (at least a SPV) has. So why I cannot setup a node with library code inside my project? Does a node must be an external program? |
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One thing I do confuse is that through bitcore-lib, I can implement a wallet, why bitcore and many other apis like blockchaininfo still provide wallet programs which will require at least a rpc call to be functional? Running wallet as an external process and make rpc call could increase the complexity of a project, which I'd rather implement with a internal library(as bitcore-lib).
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Hi,
I don't have any "tutorial" nor code simple enough to give you. But I can help you to think about what do you need to implement.
First what is a wallet ? It's an interface to the Bitcoin network.
In order to use it what do you need ? A key pair;
I think you should begin by generating key pairs in different formats (compressed, uncompressed, b58check-encoded, b58check-decoded, WIF-encoded, WIF-decoded, encrypted, etc..)
Hi thanks for reply. If a "lightweight wallet" is what I need to implement, 1, generate key pair and address; 2, issue transaction 3, get balance 4, get exchange rate are all what I suppose to do, and implement with bitcore-lib, is there any good guide to show how to implement? Thanks. What currency pair are you looking for exchange wise? I can maybe give some info/support regarding exchange APIs Hi, I know a library named ccxt, almost composited all currencies: https://github.com/ccxt/ccxtany comments? |
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Thanks very much for your help. |
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Hi,
I don't have any "tutorial" nor code simple enough to give you. But I can help you to think about what do you need to implement.
First what is a wallet ? It's an interface to the Bitcoin network.
In order to use it what do you need ? A key pair;
I think you should begin by generating key pairs in different formats (compressed, uncompressed, b58check-encoded, b58check-decoded, WIF-encoded, WIF-decoded, encrypted, etc..)
Hi thanks for reply. If a "lightweight wallet" is what I need to implement, 1, generate key pair and address; 2, issue transaction 3, get balance 4, get exchange rate are all what I suppose to do, and implement with bitcore-lib, is there any good guide to show how to implement? Thanks. |
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I need to implement a simple wallet using bitcore-lib by node.js.
Like manage private/public keys and addresses .
Is there any simple tutorial or example source code to show how to do this?
Thanks.
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Hello,
Can anybody provide me an example bitcoin transaction hash
that used OP_RETURN to store a text message?
I think the text message can be review on blockchain.info
Thanks,
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