Questions tagged [ios]

iOS is the mobile operating system running on the Apple iPhone, iPod touch, and iPad. Use this tag [ios] for questions related to programming on the iOS platform.

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11 views

I want to create a account on blockchain using web3swift in IOS app, but I am new on blockchain don't know how to do. Please can anyone help me out?

I want to create an account on the blockchain using web3swift in the IOS app, but I am new on blockchain don't know how to do it. Please, can anyone help me out?
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0answers
74 views

Invalid JSON RPC response on IOS build with Infura

I am developing a mobile DAPP using ionic frame work, everything was fine when I testing on the browser. However I try to build my app on IOS, and run it on my Iphone7, the web3 doesn't work(did't ...
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0answers
58 views

Release / Debug build generated json-rpc calls are different

I'm trying to make simple web3 calls in React Native with web3.js, but generated json-rpc calls are different between release / debug builds - IOS/Xcode. Expected behavior const web3 = new Web3(`...
1
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0answers
107 views

MEW iOS App crash on contract deploy

I'm trying to deploy a contract via the UI on http://myetherwallet.com/. The contract was created with the Remix online IDE and when pasting the bytecode and ABI/Json interface contract pieces, the ...
1
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0answers
82 views

Create a Signed Transaction(ERC20) does not work in Objective-C

I have implemented swift Library in my Objective-C code. Here is the code which I have implemented to send ERC20 tokens. - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after ...
1
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1answer
382 views

How to create wallet with web3j and web3swift like with web3js web3.eth.accounts.create(); function?

With web3js v1.0.0 you can create accounts with web3.eth.accounts.create(); and access the public address and private key with newWallet.address and newWallet.privateKey. How can you do this with ...
3
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0answers
203 views

how ethereum smart contract is connected with ios app [closed]

I want to implement ethereum smart contract with iOS app using webView . I tried so much but it didn't work. How to call smart contract with iOS app using swift
1
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1answer
798 views

iOS: Create Raw Transaction in swift

I'm working on a project related to blockchain and need to figure out, how raw transaction can be possible, I got no reference for this as of now. Can anyone help me? I have tried this lib: https://...
1
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0answers
54 views

Encoding Transaction Arguments

I am building a simple high level library for off chain Ethereum transactions following ethereumjs-tx. From what I read and understand: 1) Transaction parameters such as "nonce","to","gas","gasPrice"...
1
vote
2answers
1k views

create a mobile wallet for my ERC20

Does anyone know if is there any open source code mobile wallet (Android or IOS) that i can use to store and transfer my custom ERC20 token. I would like to be able to modify it in order to allow it ...
1
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0answers
181 views

Geth on ios and RPC protocol

I'm using Geth Objective-C API on ios and would like to start the node with RPC protocol enabled. Is it possible and if yes how?
0
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1answer
109 views

Any common library for Wallet and smart contract in android,IOS and Web?

Before post this question I researched about Ethereum wallet and smart contract. I saw many of the libraries which support android & iOS in different protocol, but not in a same protocol. So, I am ...
1
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0answers
119 views

Geth Lite syncProgress returns nil

System Information: Geth Version: iGeth/v1.7.2-stable/darwin-amd64/go1.9 OS & Version: iOS 11.0 Expected behaviour: Expecting syncProgress(context) method of GethEthereumClient to return a new ...
0
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1answer
451 views

Setting up MyEtherWallet on iOS device from Coinbase

Can I securely set up and store a MyEthereumWallet on iOS only without an computer? I want to transfer ethers from Coinbase.
2
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2answers
626 views

How to use Web3js from Obj-C

I'm totally new to JS. I'm developing on ios and we need to use Web3js in our program. It's ok to call js function in obj-c. However, I use 'require' to import Web3js modules, it throws '...
1
vote
1answer
127 views

iOS node not syncing with private BKC

I use the Geth framework and Swift 4 to boot a node inside an iOS 11.0 app. This node connects to my local BKC (to 4 nodes to be precise). Here are some tests I made : if I start 3 computer nodes ...
0
votes
2answers
2k views

Is it possible to connect a swift iOS app to Ethereum?

Is it possible (and in that case how?) to connect an iOS app, build with swift using xcode, to an Ethereum testnet? So for instance a user would be able to login and set or get a value which is saved ...
2
votes
2answers
3k views

Integrate web3.js into a native iOS & Android Apps

Integrating web3.js into a native iOS & Android Apps has issues. I am having difficulty integrating web3.js into a native mobile App (iOS & Android), would it be reasonable to use a cloud ...
1
vote
1answer
514 views

How to create a new transaction

Using go-ethereum iOS framework I'm trying to create a new transaction. Using GethNewTransaction i get an error (Use of unresolved identifier GethNewTransaction). An example is found here: https://...
2
votes
1answer
546 views

Geth on ios not working

I am currently experimenting with Geth on ios. I've imported Geth using cocoapods and trying to run the (light) node. Config: Geth version: 1.6.5 (but I have tried 1.6.1, 1.6.2, 1.6.3, 1.6.4 and 1.6....
3
votes
3answers
4k views

How to Unlock account via web3js without geth(web3-extended doesn't work)

Need to unlock account to call contracts functions on client side. So i need to use web 3 or web 3 extanded. But it doesn't work.Method are not availebly. Maybe you know some others ways how to call ...
5
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2answers
742 views

Is there an iOS equivalent for the Android web3j (json-rpc) library?

This question (Ethereum library for iOS/Android?) showed me the way to web3j, but I also need a similar solution for iOS. Does anyone know of such a project?
1
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0answers
66 views

Wrapper for Jaxx

I would like to build android or iOS application that can send and receive data with contract. I can simply use JAXX, which can let me send 'data' to the contract. But the only problem is that I have ...
4
votes
4answers
5k views

Ethereum library for iOS/Android?

Are there any existing native libraries (not whole wallets, I do not need a UI but want to sign transactions and call smart contract functions embedded in another app) for iOS or Android? If not, are ...