Questions tagged [taquito]

Questions related to using the [Taquito](https://tezostaquito.io) Typescript/Javascript library to interact with the Tezos blockchain

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5
votes
3answers
249 views

How to decode raw transaction?

I am using @taquito to build and sign a transaction. But before I send it I want to decode it to check my destination address, amount etc like you would normally do for other blockchains. Not sure ...
5
votes
1answer
44 views

bigmap.get(key, “”) with default param in case of no entry for key in the map with Taquito

Can we do something similar to myMap.get(key, defaultValue = None) of smartPy with Taquito? An instruction like: const myContract = await Tezos.contract.at(contractAddress); const contractStorage = ...
4
votes
1answer
116 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 ...
4
votes
2answers
134 views

Operation cost for invoking smart contract

I would like to find out if the smart contract's code size/storage or an operation's parameters helps to derive to the cost. Is there a formula to calculate the cost of the operation to be invoking a ...
4
votes
1answer
128 views

How to estimate Baker and Storage fee with @taquito for a contract?

I have a simple smart-contract that holds user funds and that can be withdrawn by sending a signed message. However, I would like to offer the possibility for users to anticipate the fees they have ...
2
votes
1answer
31 views

Get number of entries in bigmap

I am currently writing tests for a contract and for one of those tests, I would like to get the number of entries in a bigmap field of the contract's storage. I am using JavaScript with Taquito and ...
2
votes
2answers
125 views

Signing transaction with external hardware device and broadcasting on Babylonnet gives invalid signature

I am trying to broadcast a Tezos transaction on the Babylon testnet. I'm using an external military-grade hardware security module (HSM) located on a remote server. Its purpose is to never expose the ...
2
votes
2answers
65 views

Passing parameters in truffle tests

I have this parameter for a function: type modify_list is | Add of list(address) | Remove of list(address) type modify_list_michelson is michelson_or_right_comb(modify_list) When I try to supply ...
2
votes
1answer
29 views

Interact with Tezos in xamarin

im searching for a way to communicate to the chain in my xamarin app. The problem is that the native libs like this https://github.com/mscappini/Tz.Net are not really well looked after so im searching ...
2
votes
2answers
67 views

How do I get method arguments using Taquito?

When I have a object of type ContractAbstraction<ContractProvider>, I can get a key/value map of all the endpoints in the deployed contract like this: const contract: ContractAbstraction<...
2
votes
1answer
79 views

Specifying a counter for parallel transactions

I want to send transactions asynchronously (in parallel) with Taquito. For payments, this works well with a counter (see also https://github.com/ecadlabs/taquito/compare/allow-to-explicitly-set-...
1
vote
2answers
67 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'...
1
vote
1answer
36 views

Can I iterate over a big_map using Taquito?

I have made a web interface for Tezos token interaction and now I would like to show a balance overview of the loaded tokens, i.e. show a list of address, account tuples . This requires me to be able ...
1
vote
1answer
19 views

how to set type 'Sets' to orginate()

in smartpy, self.init(used = sp.set(t = sp.TSignature)) in taquito await Tezos.wallet.originate({ code: contractJson, storage: { used: [], } }) TezosOperationError { ...
1
vote
1answer
20 views

How to get Harbinger price feed from Taquito

I get an http error 'Key not found' The contract is a harbinger (coinbase carthage) storage contract. What is the correct 'get' param ? Tezos.contract.at('KT1P7D7jt3PfjMpsEKPyao1kHQR93t7XR5zh') .then(...
1
vote
1answer
34 views

Invalid Parameter Error for getBalance() in FA 1.2 Token

We are working for FA 1.2 Tokens with the Ref Link: https://assets.tqtezos.com/docs/token-contracts/fa12/2-fa12-ligo/ and got stuck at this point. Code Used: const op = await contract.methods ...
1
vote
1answer
27 views

Trouble with calling a function with parameters with Taquito

I'm trying to use taquito to call a method in my contract. Note my contract was programmed in SmartPy (if that makes any difference). I am able to call contract.storage() without any problem. When ...
1
vote
1answer
38 views

Generating new Tz1 account from Taquito

In ConseilJs, there is a KeyStoreUtils which helps generate mnemonic and restore it to an account. Are there any ways in taquito library to perform similar action? Or do we need to install and import ...
1
vote
1answer
54 views

How to increase the counter of a transaction

I am using @taquito/taquito. To transfer tezos tokens from one address to another is am using below function. Tezos.contract.transfer({ to: toAddress, amount: amountToSend, ...
1
vote
0answers
18 views

Error: TypeError: Cannot read property 'isValidPrefix' of undefined {}

var Tezos = taquito.Tezos; Tezos.setProvider({rpc: 'https://carthagenet.SmartPy.io', signer: new taquitoTezbridgeSigner.TezBridgeSigner()}) const amount = 1; const ...
1
vote
1answer
48 views

error: Public Cannot be exposed!

const address = 'tz1Qzi4iMowq8z4BEihyU1HvFFxAUXc9PbAF' tezbridge.request({method: 'post_source'}) taquito.Tezos.setProvider({rpc: 'https://rpc.tzkt.io/mainnet', signer: new ...
0
votes
1answer
28 views

ERROR: Public Key Cannot be Exposed

tezbridge.request({method: 'post_source'}) taquito.Tezos.setProvider({rpc: 'https://rpc.tzkt.io/mainnet', signer: new taquitoTezbridgeSigner.TezBridgeSigner()}) taquito.Tezos.contract.transfer({ to: ...
0
votes
0answers
29 views

How to estimate transaction fee without initializing a signer in taquito?

I am trying to estimate the fees for a transaction call using the Tezos.estimate.transfer() function but it is asking to initialize a signer. Is it possible to make an estimate call without a signer ...
0
votes
1answer
40 views

How to retrieve the transaction details using Operation Hash in Taquito

I am trying to retrieve the transaction details like status and data using the operation hash in taquito. What I want to achieve is basically take the op hash as user input and retrieve the details ...
0
votes
0answers
15 views

Adding API key for node in Taquito

How do i add an API key for my rpc in set provider? I could not find the apiKey parameter in the document https://tezostaquito.io/typedoc/classes/_taquito_rpc.rpcclient.html