Questions tagged [nami-wallet]

Nami is an open source Cardano light wallet.

Filter by
Sorted by
Tagged with
0 votes
1 answer
35 views

Console devtools sign and submit transaction

so i'm runing this to prompt a transaction on nami wallet, sign and submit. the ideal scenario was to nami wallet submit transaction for herself but somehow that is not happening, so i tried to submit ...
Mars's user avatar
  • 1
0 votes
1 answer
53 views

Lucid Vesting demo, signing from two different accounts but same seed

I'm working through the beneficiary vesting example where we have two beneficiaries: beneficiary 2 (giver who can reclaim funds after deadline), and beneficiary 1 (must claim gift before deadline). In ...
tyvan266's user avatar
0 votes
1 answer
44 views

Best light wallets on Cardano?

In terms of efficiency/speed for dapp usage, what light wallets are the best for dapp usage? Is there any notable difference between them? For example, what's the difference in speed/efficiency of ...
Myles's user avatar
  • 321
1 vote
1 answer
38 views

Handling multi-address wallets in web apps

Regarding the topic of single and multi-address wallets: What are the most commonly used single and multi-address based Cardano wallets? Are there any other single-address based wallets besides Nami ...
Myles's user avatar
  • 321
0 votes
1 answer
127 views

How to know wallet name by wallet Address?

I am fetching the data of ADA rate in USD through api(https://studio-api.nmkr.io/v2/GetAdaRates) and I want to fetch the some data of related to wallet like its wallet name, wallet image, wallet ...
Yogesh's user avatar
  • 61
0 votes
2 answers
27 views

Does nmkr.io provide public api?

Does nmkr.io provide free usable cardano apis for NFTS or do we have to mint the nfts and build a project on their platform something like that ...and then we can use their api because in their apis ...
Yogesh's user avatar
  • 61
0 votes
1 answer
44 views

Transfering NFT from CLI to your Nami wallet

I created an NFT on preprod via my cardano-cli but I have issues sending it to my Nami wallet. Can anyone point me to the best documentation that covers this. Thank You.
Otee's user avatar
  • 1
0 votes
0 answers
21 views

Nami Wallet login flow on NodeJS

I want to be able to authenticate users in my web app using Nami and nodejs. As in, once the user connects with their Nami Wallet, I want to create a login session and store the user in a database, ...
spcsn's user avatar
  • 1
3 votes
2 answers
79 views

How to detect a wallet change event

How do i detect that my user has switched their wallet to a different one in browser. When a user connects their wallet to my web app, we store their wallet address temporarily for use in the future....
szhang9921's user avatar
0 votes
1 answer
123 views

convert hex encoded bytes string to something readable

I'm using nami wallet's api, and if I call cardano.getUsedAddresses() it return a "hex encoded bytes string" and I would like to know how I can convert that to something readable
WaerWaters's user avatar
-2 votes
1 answer
102 views

Nami getUtxos() method not as good as Eternl's

I am building a transaction that includes more than one asset in the output of a transaction. After I set up the output and try to build a transaction using getUtxos(outputValue) I get undefined from ...
Fourzin's user avatar
  • 37
0 votes
1 answer
113 views

Convert UTxO to hex encoded bytes string

Hello I want to convert a normal UTxO transaction hash to an encoded bytes string. How do I do this? Help would be appreciated! something like ...
Jan Swoboda's user avatar
0 votes
1 answer
224 views

Can't sign data with Nami Wallet

I'm facing a problem when I try to sign data with Nami Wallet API. Here is the code snippet: let namiAPI = await window.cardano.nami.enable(); let addr = await namiAPI.getUsedAddresses(); let payload =...
Tetiana Diachenko's user avatar
0 votes
0 answers
95 views

What does ExtraRedeemers error mean when call function in contract with nami wallet and cardano-serialization

Sometimes I face this issue when make action buy nft in contract. Sometimes it works. So I don't know what does this mean and how to fix it. transaction submit error ShelleyTxValidationError ...
Nguyen Huy Duc's user avatar
1 vote
0 answers
159 views

How build a transaction to add ADA and change the datum of a previous transaction with assets and ADA locked in a script

I have locked ADA and assets into a script. I want to use the last transaction output and the ADA of a wallet as inputs and I want to have an output with some extra ADA locked and the datum changed ...
Angie Navia's user avatar
0 votes
2 answers
85 views

Can you open a cardano-cli wallet on nami or daedalus?

I'm extremely worried a wallet through cli can be corrupted as i'm using a virtual machine which often crashes and deletes to itself. In other crypto wallets you can insert a secret phrase or a key to ...
Jovin's user avatar
  • 1
0 votes
1 answer
87 views

Can anyone explain how tAda locked with asset is calculated?

I have previously asked a similar question here Get Ada locked with asset from db-sync query? but I'm still really stuck with this and needing some help. After looking at Nami Wallet, Eternl Wallet ...
FoxB's user avatar
  • 1
1 vote
1 answer
254 views

Importing Ledger hardware wallet addresses to Nami

I'm having issues importing and seeing my Ledger hardware wallet addresses with Nami. I would be interested to know if anyone else is in a similar situation to the one described below and if they have ...
Mojo's user avatar
  • 13
0 votes
1 answer
150 views

Programmatically Send Transactions From a Wallet Using Javascript

I am building an application that has a hot wallet that stores ADA that my user has deposited. After some business logic is met, I want to transfer funds from my hot wallet to another address. How do ...
szhang9921's user avatar
1 vote
2 answers
84 views

How to Access Secret Key Hash and PKH from a web wallet?

So I'm making a Dapp that uses the user's secret key to encrypt the data. It also allows another user to encrypt something else using their public key hash, but how do I get the key pairs from the web ...
KryptoKing's user avatar
1 vote
0 answers
97 views

Do I need to verify data signed with Nami wallet or will the cryptography algorithms automatically detect if it was tempered with?

Based on this answer which seems to have some bugs in the verification methods I created this piece of code: const { Address, Ed25519Signature, PublicKey, BaseAddress, StakeCredential, ...
Andrzej Gis's user avatar
5 votes
2 answers
588 views

Where does Nami store private keys?

I would like to access my private key from Nami wallet. Where are they supposed to be stored?
et97's user avatar
  • 174
1 vote
1 answer
69 views

importing nami-wallet package in nodejs

I successfully imported and used cardano-wallet-interface by harmonic pool. However, I wonder if I can directly install and import Nami wallet. I installed the package using "npm install git+{url}...
Fourzin's user avatar
  • 37
0 votes
1 answer
270 views

How Do I Deploy a Wallet Connector to the Website in a Safe Way

If I want to start making a program that connects to the user's web wallet, such as nami in the google chrome browser, how do I ensure the security of the connection? Using Nami and Google Chrome are ...
KryptoKing's user avatar
2 votes
1 answer
119 views

How can I make QR codes that work with wallets like nami?

Im making payment gateways for crypto on non-web3 infrastucher. One of the ways I'm doing this is by making qr codes that after being scanned with a wallet fill in the transaction i.e. the amount of ...
KryptoKing's user avatar
6 votes
3 answers
618 views

window.cardano undefined

I would to use window.cardano when a user just "enter" to website. Sometimes window.cardano is still undefined How can i solve this problem? I try to use await window.cardano but is not a ...
Lorenzo's user avatar
  • 61
0 votes
1 answer
76 views

Is it possible to send funds to a scriptAddress using a lightweight wallet?

I would like that an user using Yoroi/Nami/etc could send funds to a script address which expected an empty datum: (). EDIT (Pretty obvious, but the UTxO should be spendable later by a transaction) I ...
kindofdev's user avatar
  • 1,304
1 vote
1 answer
75 views

Get UTXO or tnx hash from nami Collateral

I am using the function cardano.getCollateral() in the nami wallet library which gives me the utxo of a collateral, lets say it is: "...
c00kie_monster's user avatar
0 votes
1 answer
169 views

minted NFT is shown as solid color of picture in Nami wallet

I have some questions about NFT mint. I minted NFT using Nami Wallet API, but sometimes error occurred. I need to mint several NFTs at once. So I submit minting transactions in for loop. But ...
Sebastian Ross's user avatar
1 vote
1 answer
180 views

Connect Unity 3D game with cardano

I am creating a play to game in Unity 3D. What is the best way to authenticate wallet of the users and send cardano native tokens.
Tahzeeb's user avatar
  • 23
1 vote
1 answer
272 views

Dapp connection with mobile browser

How do I connect my cardano website (dapp) with cardano mobile wallet. currently, I am using yoroi-frontend for desktop browsers.
Tahzeeb's user avatar
  • 23
0 votes
1 answer
60 views

Getting TypeError: EC is not a constructor running pab-nami

When running npm, start inside a nix-shell of plutus-apps/plutus-pab-executables/demo/pab-nami/client
Jonathan Fishbein's user avatar
1 vote
1 answer
74 views

Is there a Cardano Quickstart Application?

Me and my team are searching for a quickstart project for Cardano, such that we can start from such a project, understand its architecture, and evolve the base project into a real-life product. So far,...
psuzzi's user avatar
  • 111
0 votes
1 answer
1k views

Nami wallet API implementation example for web app

Are there any examples out there for how to implement Nami wallet end to end for a website (with or without React)? For example, how can I create a button for my site which upon being clicked asks the ...
Myles's user avatar
  • 321
1 vote
2 answers
918 views

how to get public key of nami wallet

wondering whats the simplest way to get the pkh for nami-wallet? Is it possible through the webapp?
Hud's user avatar
  • 433
0 votes
2 answers
106 views

InvalidWitnessesUTXO

Some transactions I’ve been creating are throwing an InvalidWitnessesUTXO error. Appears to be happening to some specific inputs, and any transaction that includes it fails with this same error. By ...
glneto's user avatar
  • 206
1 vote
2 answers
580 views

Tutorials to integrate Nami to your website

is there a dummy guide on Nami wallet integration into websites? I have found nami-wallet-api lib by Felippo001. But I can't find any walkthroughs. Specially that I am not familiar with webpack.
Fourzin's user avatar
  • 37
3 votes
1 answer
90 views

Funds not appearing in wallets for highly separate generated addresses

We noticed this situation with sending ADA to a wallet using addresses generated from cardano-address (according to the specifications on https://github.com/input-output-hk/cardano-addresses) which ...
Eli Selkin's user avatar
1 vote
0 answers
94 views

How to use the plutus pab statemachine with RemoteWalletConfig for Nami and Yoroi

Looking at the demo contract provided in the plutus-apps folder, you can follow the example of the PayToWallet endpoint. In this endpoint, yieldUnbalancedTx provides the instance with an unbalanced TX....
Jochen WILMS's user avatar
1 vote
1 answer
411 views

Error loading cardano-serialization-lib

Trying a few different examples out there and I am getting the error: The requested module '/node_modules/@emurgo/cardano-serialization-lib-browser/cardano_serialization_lib_bg.wasm?import' does not ...
radflipper's user avatar
0 votes
2 answers
90 views

help, i register script policy with pool.pm was not approved? [closed]

I'm learning to create nft. by using cardano serialization lib and nami wallet but the nft I created, register script policy with pool.pm was not approved. I don't know if it's caused by a signed key ...
qi.chalerm's user avatar
1 vote
1 answer
142 views

Can there be two identical secret seed phrase generated?

This is an interesting question for me. The first question in my mind was, does "Yoroi" (for example) know my secret seed phrase when I create it? Is it stored somewhere in their servers? ...
Cif's user avatar
  • 105
2 votes
1 answer
393 views

Hacking (Nami) Wallet

When asking the user to sign a transaction, Nami Wallet displays a screen with a summary showing how the user wallet gets affected (e.g. how much Ada is payed or received). To be able to compute this ...
Jey's user avatar
  • 1,549
1 vote
1 answer
315 views

Error submiting Smart Contract with Nami, What does this error means?

I am running one smart contract with the Nami Wallet but I get this error: ""transaction submit error ShelleyTxValidationError ShelleyBasedEraAlonzo (ApplyTxError [UtxowFailure (...
Alicia Basilio's user avatar
2 votes
0 answers
77 views

Balancing transactions with script inputs

Nami does not implement a function to balance an unbalanced transaction. Therefore, the Nami demo of the Plutus Github repository implements this step (as a temporary workaround) in the function ...
Jey's user avatar
  • 1,549
0 votes
2 answers
431 views

How to calculate the collateral minimun required for a Smart Contract Transaction, is always needed a Colateral?

I was asking to myself in which scenarios do I have to add a collateral when consuming an UTXO in a Script Address. I have just read the basics, but do you know if there is minimum needed in each ...
Alicia Basilio's user avatar
1 vote
2 answers
270 views

Nami wallet address format to addr_test1 format

lets say i have the following address for recieving funds: addr_test1qzu70xm8hsez6nvmpgk4gjf48ev0y2hw5w7nf8xaxc658lzwczusckqvzzg630pxnzwj3pqza5q4c8r504ffq6v2zh6qgznxt7 when i try and get the wallet ...
Ofek Ron's user avatar
2 votes
2 answers
908 views

How can I use cardano-serialization-lib in the browser to decode CBOR?

I'm building a simple website with pure HTML and JS (no React, Angular, etc.). I use Nami to connect to a Cardano wallet and use the Nami's cardano.getBalance() method to get the balance of the wallet....
eddex's user avatar
  • 3,753
2 votes
1 answer
360 views

Cardano address chaos

I'm trying to figure out the relations of the various types of addresses and how to convert one into the other. The Nami wallet returns from its method cardano.getUsedAddresses() an array with one ...
Jey's user avatar
  • 1,549
3 votes
3 answers
548 views

Tx signed by Nami Wallet returning InvalidWitnessesUTXOW in CLI

I am attempting to sign and submit a simple "always succeeds" transaction body built by the CLI and signed with nami wallet. cardano-cli transaction build-raw \ --alonzo-era \ --fee 200000 \ ...
ZDust283's user avatar