Questions tagged [php]

Integrating Bitcoin services with the help of PHP-based frameworks or using PHP

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13 views

I try to get crypto account(asset) by call PHP page. but it doesnt work. until now I dont understand a basic rules(concept) [on hold]

I'm Korean. My excahnges is UPBIT.com I'm trying to get my asset info by using UPBIT Apis. My PHP code doesnt work. There is 3 files having shown bellow in same folder of PHP server [3]: @link ...
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2answers
52 views

How can I accept Bitcoin as a payment without a 3rd party gateway

I want to create a website where users can pay with Bitcoin. However I want to create my own payment gateway because I do not want to rely on services like BitPay. I want a unique BTC address for ...
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1answer
23 views

Run specific RPC commands in PHP?

I'm trying to get the balance of a specific address in my PHP session, I currently have this: <?php require 'header.php'; include 'Includes/Bitcoin/easybitcoin.php'; $bitcoin = new Bitcoin('...
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0answers
29 views

Generate Monero Public/Private Key using ONLY PHP

I'm trying to generate a Monero Public Key and Private key for a webstore using only PHP. I see Monero javascript and python code, however, I do not see PHP only code. This is my attempt with PHP ...
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1answer
37 views

How to split the funds and send X% to fee wallet and the remaining funds to another wallet?

Anybody have any idea about how to do it? User send the bitcoins X% goes to fee wallet remaining funds goes to service wallet I'm trying to use the "sendfrom" but it's not working because he only ...
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0answers
68 views

Get Coinbase.com miner fee before sending to another address

I am using coinbase.com php library to send bitcoin to another address. But every-time i am sending bitcoin the fee is shown to me after sending the bitcoin. This is causing me some problem. Is there ...
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1answer
103 views

Creating a raw bitcoin transaction and signing it with the private key using php and javascript

I have a full bitcoin core node setup and would like to use it to just "broadcast" my signed transactions. But what is required to make a raw transaction using PHP and Javascript? The variables I have ...
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3answers
72 views

Generating bitcoin wallets for my customers [closed]

I run an application written in PHP and need to add the option to buy services with bitcoins. So, for each user i need to generate a unique, unused bitcoin address. I could generate X number wallets ...
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1answer
188 views

How to connect to a public node through json RPC?

I found a list of public bitcoin nodes here. I am using a php library. How can I connect to these nodes via JSON RPC? Is it safe to connect to public nodes? What should I give as username and ...
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1answer
237 views

Why a flip a bin before hashing in this script?

From How can I make this PHP merkle root script recursive? function binFlipByteOrder($string) { return implode('', array_reverse(str_split($string, 1))); } Why a flip?
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0answers
23 views

How to detect if there is new payments [closed]

I want to make a cryptocoin payments php in my website, all info already ok. The only problem is, how to know if my member already pay that payments and if already pay update my database, anybody ...
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1answer
126 views

update to 0.17.0 broke several rpc api calls that worked under 0.16.3, how to migrate correcty my code?

After updating from Bitcoin core 0.16.3 to 0.17 I've found several RPC calls are now broken, and I'm not sure on how to migrate/update my code (PHP). Things broken so far: getbalance : does not ...
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1answer
149 views

PHP How can I validate / verify a wallet public key?

Can someone please help me find some PHP open source on how to validate / verify a bitcoin wallet public key ? I am currently working on a project and I am implementing multisig, and it seems I can't ...
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1answer
441 views

Raw Transaction Fee - 256: absurdly-high-fee error [duplicate]

I'm running the following codes, respectively. bitcoin-cli -testnet createrawtransaction ''' [ { "txid":"751b6361cd8d621de00466363120e5da2176c3cc092cb3f0b7373b02591372d2", "vout" : ...
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0answers
174 views

block.io + scan generated QR code

So i created a block.io account and playing around with bitcoin address generation, as well QR codes. My source code for generating a new bitcoin address is that one: include_once("payment/block_io/...
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2answers
114 views

blockchain official documentation

I am developing a system of administrative management. The project is migrating from PHP to C ++. With the new requirements we want to work with blockchain. But when looking for more about it, ...
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1answer
107 views

Calculate fees with Blocktrail/btc.com SDK

First of all hi and thanks for your support and your time. I want to calculate the fees of a blocktrail transaction with blocktrail SDK, before making the transaction, in order to let the recipient ...
3
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1answer
633 views

Sweeping a bitcoin private key using PHP

Is there a PHP script where it validates a bitcoin private key and also gets the public address from the key? My goal was to: verify the private key Get the public address using that private key ...
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1answer
201 views

how can i get data from GDAX Bitfinex using API and show like bottom

how can i get and show below link data, can someone please help me https://runcoders.com/live-bitcoin/ i am trying by this but failed to show like up link <?php //define API endpoint $url = "...
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1answer
175 views

Handling change addresses without using rawtransactions?

Since I'm using the wonderful accounts feature which is soon to be deprecated (shame on me, i know - but i simply didn't have resources and time as a single person to do an internal accounting system ...
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1answer
132 views

How to get lost passphrase?

I set up the bitcoin daemon and galaxycash daemon on my server. And i was using this library easybitcoin.php to contact the daemon via rpc . Somehow i remeber that i used this function ...
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1answer
948 views

Is there a way to generate new addresses for someone else's wallet?

I thought I saw this feature existed somewhere but I can't find the reference. Use Case: Alice needs to keep sending multiple bitcoin transactions to Bob, and wants to use a different payment address ...
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2answers
733 views

PHP functions not working in bitcoin JSON-RPC version 16 (bitcoin-cli is working properly)

Trying to implement Bitcoin JSON-RPC using Digital Ocean Ubuntu using bitcoin version 16. Here is my php code <?php require_once('easybitcoin.php'); $bitcoin = new Bitcoin('someusername', '...
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2answers
818 views

How to create hex of raw transaction

Below is my response after creating the transaction. How do I create the hex encoded string of raw transaction in PHP. Is there package for it in PHP ? { "tx": { "block_height": -1, ...
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1answer
492 views

bitcoind is refusing to connect to my other server [closed]

bitcoind is refusing to connect to my other server
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1answer
242 views

Recognize Bitcoin address from block hash, and transaction hash

I'm building a block explorer using blockchain.info and their API https://github.com/blockchain/api-v1-client-php/blob/master/docs/blockexplorer.md but what I don't understand is, what is the best ...
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0answers
156 views

blockchain api missing file?

https://github.com/blockchain/api-v1-client-php <== php files im working with. When i do my first test with this new api i start off with the inits <?PHP // Include the autoload.php from its ...
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2answers
547 views

How to send bitcoins with commission extracted from payment in PHP or bitcoind

First, I have simple problem. I want to send customer some bitcoins, but I dont want to pay fees for him. I'd like to substruct fees from payment, so all commissions would be payed by customer. I ...
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1answer
282 views

how to get change address using derived BIP44 publicKey?

I have generated a private key using my master seed private key. PHP Code: $bip44 = HierarchicalKeyFactory::fromExtended($result['masterPrivKey']); $publicKey = $bip44->derivePath("m/44'/0'/0'")...
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1answer
1k views

Port 8333 and Issues to have a connection

So, I have a website, and that website is going to use Bitcoins. Right now, I'm trying to connect the bitcoin core with the website. But I have a lot of issues with port 8333: This is my error: http:...
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2answers
215 views

How to confirm transaction any altcoin PHP

I'm working on a webapp right now (for me personally) and I now come to the part where I want to validate if someone send me a certain amount of altcoin, lets say Verge, and if I received said amount ...
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0answers
319 views

How to sign a transaction hash in PHP?

Given the following example hash: 1ee917ec6ab6339e563d55abee50a49ccdb7d827cf087c0884f3da3b86e0dff4, and the following example private key: ...
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0answers
267 views

HD Wallets - Generating P2SH-P2WSH Addresses from a ypub-type mpks in PHP?

I am writing a webapp in PHP that needs to generate Bitcoin addresses from their mpk. I have successfully done it for P2SH addresses (starting with a 1, with a xpub mpk) using the BitWasp php library,...
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1answer
479 views

send bitcoin to mobile number or email address

How I can send bitcoins to someone's phone number or email address. I explored this api but they have documentation only for sending bitcoins to an address directly. But here they have explained how ...
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0answers
216 views

php call to getnewaddress through rpc gives isValid false address

I am using easybitcoin.php to make rpc calls to bitcoind running on my server. When I call $result = $bitcoin->getnewaddress(); from the php code, I get back an address, however when I run that ...
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2answers
744 views

PHP: is there a way to convert a private ECDSA key to its corresponding public key?

As described here (https://en.bitcoin.it/wiki/Technical_background_of_version_1_Bitcoin_addresses) I am trying to convert a private ECDSA key to its corresponding public key. (See step1 and step2). I ...
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1answer
527 views

Creating Payment system using Blockchain API

I see a whole lot of websites using the blockchain API to create bitcoin wallets (if i am correct), send and receive payments, I know how to ordinarily make a payment system using C#/MSSQL or PHP/...
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1answer
165 views

Dynamic Transaction Hash Confirmation

I am working on a donation based community website (using PHP) where participants register for an account to participate. Each account carries the participant's bitcoin address. A participant makes a ...
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1answer
474 views

How to get an average bitcoin to USD price from different sources [closed]

I created a very simple php function to get the current price of bitcoin to USD here, //get from coin market $getCoinMarketPrice = getPrice('https://api.coinmarketcap.com/v1/ticker/bitcoin/?...
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2answers
404 views

development of bitcoin-abe like software

I am trying to develop something similar to bitcoin-abe, e.g. import whole blockchain into database. For database I currently using Redis - I know it will took lots of RAM, but lets suppose that is ...
1
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1answer
410 views

Connect to Bitcoin Node behind tor network

I configured my full bitcoin node behind tor (nowadays there aren't much bitcoin nodes behind tor network, this website: https://bitnodes.21.co/nodes/?q=Tor%20network tell us that there are just 323 ...
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1answer
68 views

does anyone know how to send the “exp” parameter in an Electrum request

I tried modifying the request so it would include a 3600 second expire time. (minutes - 1 hour) as shown in the example it returned an error the parameter was invalid. It shows - but as "null" curl ...
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2answers
196 views

trying to get text of a field in json rpc 2.0 response into ar PHP variable

I use json_decode to vardump a return which yields array(3) { ["jsonrpc"]=> string(3) "2.0" ["result"]=> array(13) { ["status"]=> string(7) "Pending" ["amount (BTC)"]=> string(10) "0.05130899" ["...
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1answer
122 views

Online bitcoin game

I'm trying to create multiplayer game using BTC to make bets. I have server and I am using PHP to let users create an account. How would I write a script where when a new user creates an account the ...
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1answer
246 views

Can I sign a text with a Bitcoin address using PHP only?

I have the following... Bitcoin Address: 1H2zzoAncRcQYihgTMYtX55ioXYErmYQQC Public Key: 021FE07FBBB27AD176F1E082950474CD6252FB86751B893BC0887962B008830798 WIF Key: ...
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1answer
1k views

how to generate a bitcoin address for each user that registers

I'm working on a marketplace type website and i want a bitcoin address to be generated for each user that registers an account. this needs to be done in php with no javascript
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1answer
223 views

How would I be able to show 24 open, high & low on my site made with php

I'm a self thought designer/developer that knows basic photoshp/css3/html5 and a little python/php. I have never used an API to fetch stats, so can you please point me in the right direction? I ...
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1answer
149 views

Bitcoind rpc AddLocal(ip:port) and Disover: IPv4 eth0: ip missing Amazon AWS CentOS

I have a server at DigitalOcean with Ubuntu installed and bitcoind with rpc which IS working. With my Amazon AWS CentOs server bitcoin-cli is working but not EasyBitcoin-PHP, it's returning 0: $...
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0answers
407 views

How to install correctly this PiWallet Script in Ubuntu?

Good evening everyone.   I'm trying to set up the piWallet wallet (https://github.com/johnathanmartin/piWallet) on Linux.  I was able to successfully install the "Bitcoind Server" (which works very ...
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1answer
502 views

Send payment from one user to another via API?

I am looking to have users on my website submit their bitcoin id and be able to accept bitcoin from other bitcoin user as donations. I am brand new to this. I'm using PHP. So basically this is what ...