Questions tagged [cardano-serialization-lib]

For questions on how to use the cardano-serialization-library, a library for serialization & deserialization of data structures used in Cardano’s Haskell implementation of Shelley, along with useful utility functions.

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cardano-cli generated CBOR to serialization lib [BABBAGE]

I am creating a transaction using cardano-cli. After building, I sign it with some random private key, and return signed transaction CBOR to UI. UI takes the CBOR, removes my random witness which ...
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Verify Tx Signature

Say I created a multi-sig transaction and I am now gathering signatures using the Cardano-multiplatform-library. How can I check that the signature is correct for my transaction body, and the signers ...
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Address() in @cardano-sdk/core is empty

S = require("@cardano-sdk/core") new S.CSL.Address() return Address{} According to documentation it should have methods associated. Any ideas what is happening ?
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How to install/use cardano-serialization-lib

I follow this guide to get start with cardano-serialization-lib. Install nodejs package with: npm i @emurgo/cardano-serialization-lib-nodejs Still can't get it running. The module 'rust-lib' can't be ...
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Transaction in Cardano

I created transfer function with blockfrost.js and cardano-serialization-lib. I refered following code. https://github.com/blockfrost/blockfrost-js/tree/master/examples/simple-transaction When I try ...
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Collateral for new Wallets

New users of Cardano sometime want to get started quickly and often face the daunting task of understanding what collateral is. Then faced with the fact that they need to send some collateral to their ...
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how to safeguard custodial keys for my api using kms or other services? cardanocli-js

cli js in one of my project it requires me to store verification key file and signing key file inside a folder called priv in order to use the wallet I am wondering it is unsafe to store those keys in ...
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Issue in Submitting Native Minting Scripted Transaction with Ledger

Using CSL I have successfully built a minting transaction with a native script. Using Nami, Eternl or Flint not connected to hardware wallets I am able to sign the transaction and submit it. However, ...
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Developers are having dismal experience building on Cardano [closed]

When developers get into plutus playground, 10 out pf 10 expect it to work like remix, an IDE. You put a code in. You compile and deploy. And then start interacting with the dApp. All in the same ...
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Calculated fee too small for StakeRegistration cert submission via cardano-serialization-lib wallet connect

Having some issues getting a submit Stake Registration certificate using cardano-serialization-lib. The transaction builds, can can be signed, but what's weird is the correct fee is not being ...
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Compile errors when importing Cardano Serialization Lib Browser in React

I'm getting several compile errors as soon as I import @emurgo/cardano-serialization-lib-browser in my project, all of them similar to these: ERROR in ./node_modules/@emurgo/cardano-serialization-lib-...
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Plutus V2 Tx Building causing NonOutputSupplimentaryDatums error

I am stuck with this error, what's a NonOutputSupplimentaryDatums?: ""transaction submit error ShelleyTxValidationError ShelleyBasedEraBabbage (ApplyTxError [UtxowFailure (...
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Cardano Transaction Submit Errors

I am currently building a dApp on cardano using cardano-serialization-lib and wallets (Nami, Typhon, Yoroi). Since you have to configure TransactionBuilder with the latest Protocol Parameters, there ...
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Sending consecutive transactions will result in an error

Sending consecutive transactions will result in an error. Using the simple-transaction example below, a transaction is created in Cardano-Serialization-Lib and sent to the blockchain using BrokFrost. ...
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Coin Selection for Multiasset

I am building an NFT marketplace on Cardano. To build my transactions I use cardano-serialization-lib. When I try to use add_inputs_from() with LargestFirstMultiAsset strategy to choose inputs for the ...
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How to get TransactionUnspentOutput as a hex encoded bytes string programmatically

So basically I want to convert a normal UTxO hash like: 550665309dee7e2f64d13f999297f001763f65fe50bb05524afc0990c7dce0c3 to a TransactionUnspentOutput as a hex encoded bytes string like: ...
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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 ...
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cardano serialization lib - Multiple addresses and stake keys

I was able to generate a single address following the guide. My question is regarding stake key. Is it necessary to derive a new stake key for each new address or can you just increment .derive(n + 1) ...
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How to get PublicKey from PrivateKey

I want to retrieve the public key from a private key created via a mnemonic key. const { mnemonicToEntropy } = require('bip39'); const CardanoWasm = require('@emurgo/cardano-serialization-lib-nodejs') ...
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How to go from a bech32 address "addr_test...." to PubKeyHash

If you have the bech32 address and you need to find the PubKeyHash (aka PKH) you can do it with this snippet using the cardano-serialization-lib const sAddr = "...
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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 ...
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in min_ada_required() going down with Vasil HF

If I compare the two values given by CSL 10.0.04 with CSL 11 i get two different values, the 11.0 being lower my code: const asset = [ { unit: "...
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How to use inline datum and reference inputs in serialization lib 11.0.0

I tried using with_plutus_data const settings = { protocolParams: { linearFee: { minFeeA: "44", minFeeB: "155381", }, minUtxo: "4310", ...
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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 ...
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@emurgo/cardano-serialization-lib-browser on NextJS error when running `npm run build`

I'm a complete NextJS / React and Wasm newbie, but I'm having fun learning and building a simple website. I've added @emurgo/cardano-serialization-lib-browser as a dep to my NextJS 17 project w/ npm i ...
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Read key from cose_key returned in signData()

The following (await window.cardano['<wallet>'].enable()).signData('<addr>', '<payload>') Returns an object { key: <key>, signature: <sig> } I'm successfully parsing the ...
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Should you put the serialization library code in a express and node.js backend or just put it as helper function in your front-end app

So i am using the cardano-serialization-library to send transactions between addresses. Below is the code I am using. buildSendADATransaction = async () => { const txBuilder = await ...
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Smart contract is not working after Vasil Hardfork in testnet

My smart contracts deployed in testnet stoped working after the Vasil Hardfork. i get this error: ""transaction submit error ShelleyTxValidationError ShelleyBasedEraBabbage (ApplyTxError [...
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Using a Private Key to Sign and Send Transactions using the cardano-serialization-library Programmatically

How do I send ADA from my address to another using the serialization-lib? The only documents I can find right now regarding the serialization-lib use the Wallet API to sign and send transactions. If I ...
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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 ...
2 votes
1 answer
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How to create an unspent UTXO with specific value

I want to create a script (smart-contract) utxo with a specific number of tokens (it can be an output of a transaction before) in cardano-serialization-lib - javascript. I need this utxo to be part of ...
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How to Securely Serialise a Plutus Smart Contract Endpoint?

Assuming I made an arbitrary smart contract and want to serialise the endpoint after I have the validator hash and address hash, what should I do to ensure that the serialisation is as safe as ...
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Convert Stake Key to Address

I am tiring to use Cardano Sterilization Lib to get the Stake/Usable address from Stake Hash or Address Hash. https://adaex.org/address/...
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I wanted to know how can i deploy my smart contract made on marlowe playground using blocky on cardano testnet and mainnet?

Please, it would be so helpful if somebody steps up and tell me the way to do it.
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PPViewHashesDon'tMatch Exception on submit transaction for Cardano serialization-lib version 10.0.x

On emurgo/cardano serialization versions 10.0.X receiving error on submit transaction that: https://drive.google.com/file/d/1SNpM1LtEDPnZPMQXdz1X_Ujiy_FW9BJW/view?usp=sharing Also, in emurgo/cardano-...
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Error creating a transaction with Cardano Serialization Library

I am trying to create a transaction using the Cardano Serialization Library but I cannot figure out what is going wrong. The code is const BlockFrost = require('@blockfrost/blockfrost-js'); const { ...
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How to Get the Script Address of A Smart Contract?

Once I have written up the smart contract how to I get the script address value to be able to interact with the script whilst its on chain?
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Receiving PPViewHashesDon'tMatch exception on Cardano Serialization versions >10.0.0

I am using Cardano serialization browser library version 10.2.0 and on submit transaction I receive this error every time. I am uncertain what is missing although it is building the transaction well ...
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How to Send A Token to an Smart Contract Alongside a Datum?

I asked another question (How to Make Sure A Contract Is Signed By a Certain Party?) and got the answer I expected. It raised the secondary Question of how to send a token with a datum to a smart ...
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How can I build a transaction to register a stake pool using Cardano Serialization Lib?

I have built the following transaction to register a stake pool: { "txHash": "0f874a3cb0ba57ed68a79601781eb9e29666f7f2f0e72ab4ed1f3cc9fcea7dee", "ttl": 60310548, &...
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How to convert UTxOs from Graphql to Cardano Serialization lib format?

I want to use this function as coin selection for my transactions: txBuilder.add_inputs_from(unspentOutputs, 3); The problem I have is I'm using cardano-graphql to retrieve UTxOs: { "data"...
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Get transaction unspent output value

I have payment signing key and staking signing key of my wallet. How can I get transaction unspent outputs with cardano-cli/cardano-serialization-lib/pycardano. I expect to get string like this ...
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What's the correct way of deserializing a UTxO?

I'm getting the following error when trying to deserialize a UTxO obtained using cardano-graphql: Deserialization failed in TransactionUnspentOutput because: No variant matched This is the code that ...
1 vote
1 answer
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Rust Serialization Lib Minting NFT - Missing Key Witnesses Error on Submission

I am running into an error with the CSL Rust Lib when submitting a minting NFT tx. I am following a minimal example in JS https://gist.github.com/lovalabs/83d08796ab9ff65cbf188fbca8d03343 as a guide ...
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What's the correct way of submitting a transaction using cardano-graphql?

I'm getting this error when trying to submit a transaction using graphql: { "errors": [ { "message": "Deserialization failed in Transaction.metadata because: ...
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How can I build a transaction to send different assets (not just ada) using Cardano Serialization Lib?

I have followed this example on how to create a transaction to send ada and I had no issues so far. What I would like to do next is to add different assets to this same transaction. Is there an ...
1 vote
1 answer
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How to test the serialisation of a transaction?

When using the Cardano serialisation library by emurgo, how do you test the output works as intended? Would this change when using parameterised contracts?
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Attaching Datum Value with CSL 10.x

I generate my datum like so: // Build datum const sellerAddressPKH = changeAddressValue.slice(2,58); const datumFields = CSL.PlutusList.new(); datumFields.add(CSL.PlutusData.new_integer(CSL.BigInt....
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Building a transaction on cardano-cli/api without running node?

Is there a way to build and sign transactions with the cardano-cli/api without running a node? I am trying to construct a transaction using the cli or api and submit it using blockfrost. It throws an ...
3 votes
1 answer
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Haskell + Blockfrost toolchain?

I am looking for a Haskell alternative to the cardano-serialization-lib, which can work in conjunction with blockfrost-haskell. So ideally, it should be able to easily create wallet keys, transactions,...