Questions tagged [blockchain.info-api]
65 questions
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why block height is missing in my transaction?
https://testnet.blockchain.info/rawaddr/mxv7yTUcfiEoGG2Rc63wKrrVDPtrZKSZFq
i am using api call to get transaction details of my address incoming and outgoing. for some addresses i am getting block_height and for few address i am not getting block…
Kavya Shree
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How to sync Geth and testRPC private nodes locally?
I have setup 2 nodes, 1 on testRPC and the other on geth(using cmd and mist).
How to sync both the nodes so that I can write a crowdfunding smartcontract for the accounts in both the private nodes to contribute?
Pavan Ramesh
- 21
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Blockchain info wallet check payment
I am trying to create bill for payment and send to my customer via telegram bot:
I am using blockchain API V2-https://blockchain.info/api/api receive .my code…
egorkh
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Local Node (Geth) failed to sync from TestNet
Dear all Blockchain experts,
I have created a local node by using Geth, this is the startup command.
geth --testnet --rpc --rpcaddr "localhost" --rpcport "8545" --rpcapi "web3,eth,net,personal" --rpccorsdomain "*" --datadir "./data" --identity…
DavidB
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How to send data to ethereum blockchain
In normal applications and centralized database:
The application hold list of elements and application push the elements into database so database store the elements.
In decentalized applications and blockchain:
smart contract contain arrary of…
user3209324
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blockchain transactions with php
$url = "https://blockchain.info/address/".$address."?format=json&offset=0";
$json = json_decode(file_get_contents($url), true);
$totalTxs = $json["n_tx"];
for($ex=0;$ex<$totalTxs;$ex+=50){
$url =…
Bruce
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Should the field "stateHash" of previous block be equal to the field "previousBlockHash" of current block in a blockchain?
I have a sample blockchain application on which I have created a several blocks with the help of "invoke" transactions.
1) The blockchain theory suggests that each block will have a field called "previousBlockHash" containing the hash value of…
nihal
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How are new participants authenticated into a channel in hyperledger fabric
I came across Hyperledger fabric client which has methods/functions to authenticate new members into blockchain network. But I am not sure how I can authenticate new users into a channel in blockchain network.
Can i use channel…
skr
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AssertionError: missing sha1, make sure sjcl is configured correctly
I have implement Blockchain Wallet API in my API. It has features like create wallet, send, received bitcoion, etc. working fine with local computer.
But same code will move on my live server it'll give error as below
error:
AssertionError: missing…
Codebrekers
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create usdt transfer via api in blockchain.com
I would like to know how can I make transfer from a private wallet to another via api calls in
blockchain.com/blockchain.info website
I really appreciate it if someone can instruct me with this
A Go code would be preferred but I'm not limited to…
Awny Shaheen
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How can we find the total number of tokens available in a wallet ? (withOut initialising Moralis) -As it is time taking
const Moralis = require('moralis').default
const {EvmChain} = require('@moralisweb3/evm-utils')
const runApp = async () => {
// WithOut Moralis initialising - I want to skip these ------(https://i.stack.imgur.com/u4cGM.jpg)
await…
0
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How to use conditionals on Uniswap GraphQL API pool method?
So I'm new to graphQL and I've been figuring out the Uniswap API, through the sandbox browser, but I'm running this program which just gets metadata on the top 100 tokens and their relative pools, but the pool one isn't working at all. I'm trying to…
Vishakh Sandwar
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Corda transactions happens between 2 node? is there a way we can do a transaction between more then 2 nodes?
I want to perform transaction between more then two nodes: e.g.
Loan of 1 Million will be given by 2 payer to a issue A, B, C will share the loan amount by 20%, 40% and 40% to a issuer D
Flow should have happen with notary sign along with all…
Ajit Raju
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Can we get NFT data from Blockchain Block Data using web3?
Hi Blockchain specialist
I have had a query in Blockchain: I am exploring a way to get details of the NFT directly by accessing the Block in the blockchain Node. My first question is can this be achieved without using any third-party API calls. I…
NAGA REDDY
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1 answer
Malformed JSON entry sometimes is an array sometimes a dictionary
I am trying to parse the result of curl "https://blockchain.info/block-height/699999"
In its results it returns spending_outpoints as an array of dictionaries, but sometimes instead of an array "spending_outpoints" = [ ... ] it uses an empty…
andrewz
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