Questions tagged [dapps]

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Taquito - Beacon connect dialog on iPhone does not show Temple Wallet option. How to solve it?

I have a dApp that connects to wallets through Beacon, using Taquito. On PC Desktop computers and Android, the Beacon connect dialog window shows many wallet alternatives and also a blue generic ...
Luiz Milfont's user avatar
1 vote
0 answers
51 views

Beacon wallet (reading 'type') error in DAppClient.ts

we are currently encountering a bug using Beacon wallet in our Dapp. 

Our current feature functionality:
 We are offering the ability to Connect, Change, and Disconnect Wallet. Our disconnect works ...
Sam Morrow's user avatar
3 votes
1 answer
79 views

Securely moving from Ghostnet to Mainnet

Are there any important things to do or check before moving a dApp from Ghostnet to Mainnet?
Andre Fuchs's user avatar
0 votes
1 answer
72 views

Liquidity Baking interactions from a DAPP - Error during estimation being returned from temple wallet

I'm working on building an interface for liquidity baking and am encountering the error: Error during estimation when I submit the calculations for the swap tokenToXtz or xtzToToken on the swap ...
Sam Morrow's user avatar
1 vote
1 answer
78 views

AddressValidationError when calling an entrypoint with Taquito

I'm trying to call the Plenty Router with Taquito to swap from kUSD (Kolibri USD) to tzBTC via Plenty token. In this example, I'm sending 1 kUSD. I'm using arbitrary minimum output (I do not compute ...
Clement J.'s user avatar
2 votes
1 answer
106 views

What's the best way to retrieve BigMap values/keys?

How are dApp devs currently pulling in a given BigMap's values or keys? I'm pinging tzkt's API after I retrieve the BigMap’s address from the chain and I'm wondering if there's a better, and/or less ...
Johnny's user avatar
  • 21
2 votes
1 answer
39 views

Unpacking return unexpected result

I'm having some issue with the contract read, i have data in format of sp.TMap(string,bytes), im using sp.pack() to get the bytes representation of a sp.TNat in a concrete example for a nat 200 y get ...
Marcelo David Moisés's user avatar
1 vote
1 answer
67 views

Best Practices for checking/adding/removing operators for a user's FA2 tokens with regarding to allowing a contract to take actions on said tokens

I'm trying to call an entry-point in a contract that will manipulate a user's tokens and am wondering what are the best practices for adding/removing operators to a user’s FA2 tokens? I need to add a ...
Sam Morrow's user avatar
1 vote
2 answers
222 views

How to obtain the public key (not public hash - PKH) using taquito

In order to use the verifySignature method in Taquito, I need the public key of the wallet. I can only find the public key hash method - am I missing something obvious? Thanks! Below is how I obtain ...
Mamlambo Fossils's user avatar
0 votes
1 answer
248 views

RPC error when using @templewallet/dapp

I'm getting this error when trying to execute a contract using temple wallet in my Dapp. Failed to send request to https://hangzhounet.smartpy.io/chains/main/blocks/head/helpers/forge/operations. ...
Sam Morrow's user avatar
1 vote
1 answer
41 views

Best way to duplicate/sync private database with FA2 contract transactions & balances

If you wanted a private DB to have all of the transactions,balances etc. of a particular FA2 contract deployed on mainnet, what would be the best way of achieving this? Is it possible to have a ...
redbluegreentoast's user avatar
0 votes
2 answers
271 views

Knowing the parameter name for a call to an entrypoint with Beacon

I would like to call the stake entry point of a Plenty contract. I only have access to the Michelson source code. Here is my current non-working code in Typescript with Beacon-SDK (inspired by this ...
Clement J.'s user avatar
1 vote
2 answers
303 views

Listen for operations of a deployed contract

Coming from an ethereum web3 background, I'm accustomed to listening for a contract's events to figure out when things happen in my contract and react accordingly in the application. I'm looking for ...
jon's user avatar
  • 133
1 vote
2 answers
214 views

Taquito default entrypoint not found

I have deployed a smart contract on carthagenet. The contract only has a single entry point. Taquito is not able to find that single entry point. I tried both default and root methods and it doesn'...
Zack's user avatar
  • 55
2 votes
1 answer
63 views

How can I delay executing a smart contract until 30 minutes after its last invocation using Tezos SmartPy?

I have a function f1 in tezos contract that can be invoked by a node but after 30 min of the invocation if no other function f' has been invoked the f1 has to continue its process normally otherwise ...
siham's user avatar
  • 51
4 votes
1 answer
514 views

How do I get the storage value of a bigmap using pair datatype as key with taquito library?

I am using the taquito library to interact with a smart contract that I have uploaded to carthagenet. However, I am facing an issue in retrieving the value of a bigmap property in my smart contract ...
Zack's user avatar
  • 55
1 vote
1 answer
139 views

How to ensure that operation was included in a block with taquito

When I inject an operation using the taquito library, how can I have my program wait for a specific number of blocks after my operation is included in the network.
Jev Björsell's user avatar
4 votes
1 answer
80 views

How to communicate directly with a Tezos Node in a JavaScript browser program?

In the spirit of decentralization, I would like my decentralized application, a JavaScript application running in a user's browser, to be allowed to communicate with the Tezos node of their choice. ...
MCH's user avatar
  • 680
5 votes
1 answer
56 views

Are there any wallets that can call contracts?

I'm building a dapp on Tezos and would like users to call some of the related contracts directly from the webapp. E.g. I present a QR code with a prefilled contract call. Are there any wallets that ...
asbjornenge's user avatar
  • 1,973
4 votes
1 answer
114 views

Address, Key, and Key Hash

I realize these are all closely related, but when should you use these when developing an app? For example, it is easy to get a user's address, but when should you ask them for their key or key_hash, ...
Rob's user avatar
  • 576
14 votes
2 answers
400 views

Formal verification of Tezos smart contracts

What are the analyses of Tezos smart contracts that could benefit dapps writers the most? Just to be clear, by “analysis” here I mean “static program analysis”. See for instance here. Basically the ...
Ezy's user avatar
  • 6,064
6 votes
3 answers
104 views

How do I begin developing on the Tezos network?

Is there a Tezos SDK or something similar? What resources should I look to first?
Vincent Valenzuela's user avatar