All Questions

I am trying to bake on testnet carthagenet. I got a VPS on AWS with node full sync a laptop with tezos-client (connected to rpcalpha.tzbeta.net ) + ledger nano S My setup: cat ~/.tezos-node/config....

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<...

I am stuck when getting Tezos from faucet https://faucet.tzalpha.net/ : ./tezos-client activate account bob with tz1YdaJWrDdHz4qfVEhPEs7f5EBy4DE2Fzv1.json Disclaimer: ... Error: Unrecognized ...

What is the syntax for comments in LIGO?

I am using the tezos-sandbox cli and trying out packing/unpacking data. I want to try doing the equivalent of sp.unpack(x, t = …​), specifying a type to unpack into, using the command tezos-client ...

To which extend can bakers manipulate the timestamp Michelson uses for NOW? I am not really sure how this value is provided to the smart contract and how reliable/unreliable it can be... Is it safe to ...

When is the Tezos mainnet expected to switch to Delphi? Is there anything that node owners should do in anticipation?

I'm dry-running an operation with an xtz amount that is close to my max balance to an unrevealed tz2 account on mainnet to get the fees. When estimating for fees I run two RPC endpoints at the same ...

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 ...

Previously when I asked about converting types, I got this useful suggestion: For mutez, you could start to convert to int (by dividing by 1 mutez) and then use the same techniques. I'm wondering if ...

I've done some research but haven't been able to find a clear answer on how to proceed with my thoughts on delegate or bake! Just for this discussion assume I have 12000 Tezos at hand. Now, I'd like ...

I have been trying to integrate the SmartPy compiler toolchain within Cryptoverse wars Learning interface and have been going through this video (OCaml Under The Hood: SmartPy) and have encountered ...

In a SmartPy smart contract, is there 'continue' or 'break' for loop? When I use 'continue' for loop, an error occurred. 'Error: invalid syntax'

Previously, to set the (virtual) time a transaction happened in SmartPy I used the flag now when running a command like run. Now it seems to cause an error (seems like something changed in an update). ...

In Ethereum you can subscribe to events through a node and you can then get notified if a specific event, like the receiving of a token transfer, happens. Is this possible with Tezos?

I am trying to write a contract that receives rewards from the baker using a default entry point and should only allow me to change the baker from a different entry point. I am using the smartpy tool ...

I am wondering if there is a way to send RPC to other nodes without creating your own node because I do not have enough capacity to create a node in my laptop. Below is what I have tried. Got some ips ...

I have a couple of questions about on-chain contract calls: Suppose two contracts call each other back and forth (let's say 5 times they transfer messages between them), but at on the last transfer, ...

Datatypes that can be made into sets must have a defined order. And since set(address) is a valid data type, what is the ordering of addresses? If you make an instance of type set(address), how are ...

The mathematical structure of a set is an unordered collection. If a set does not have an order, how are they serialized by the PACK instruction? According to this overview set is packable.

Attempted to inject this block but got error: Invalid_argument "Json_encoding.construct: consequence of bad union" What does this error actually mean? The contents of the block look fine; it ...

I am trying to construct the storage needed to do an on chain contract call but I'm having trouble passing in the parameters. What is making it tricky is that one of the parameters is of type ...

Using tezos sandbox mode, I am trying to test an on chain contract call in isolation of the main contract which calls it. If my contract was the Collatz template, it would like be trying to run the ...

For example, converting a TMutez into a TString?

I find I run into some unexpected behavior when using sp.if. e.g. a = False sp.if 1 > 2: a = True seems to result in a == True. The example below is doing so in the ...

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

I am trying to manually parse an operation. By asking the (testnet) tezos node to parse an operation, one can get data to compare: tezos-client -P 18732 rpc post chains/main/blocks/head/helpers/parse/...

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(...

Not sure what happened, but every block it throws this at the end of the block. It seems to still be able to endorse and bake though. updater: COMPILATION ERROR Running on 006-PsCARTHA

Given a transaction in its serialized format, how do you parse it to get the destination, the amount, and the other fields? I am not asking for library or RPC endpoint to achieve this but for an ...

I would like to call /network/points against one of the public nodes. I tried curl -s ipaddress/network/points after I got the addresses from Giga Node https://tezos.giganode.io/, but it returns ...

I'm trying to broadcast an operation using the following method in pytezos as a backend for a dapp: forge -> receive signature (from thanos) -> reconstruct operation group -> inject this ...

I'm running some tests on tezos sandbox mode and in one of the commands for baking a new block, sometimes I get the following error: Unexpected seed's nonce commitment in block header. The error doesn'...

I am testing a contract in SmartPy that uses a contract call (similar to the Collatz example). Contract 'A' sends a transaction to contract 'B' with some data. Contract 'B' does some computation and ...

I'm trying to initialize the storage of the record through the command line. I'm trying different variations of: "ligo compile-storage college.religo main 4 Adam 1600" For a record called ...

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 ...

How do I convert an address type to a string type in LIGO?

I have a method test that takes an integer as input. I would like to call it and send tez with the transaction/function call. What is the syntax for doing that in JavaScript?

I am trying to write a test case in Tezos Sandbox that uses an On Chain Contract Call. To start with, I am trying to implement the example from SmartPy "On Chain Contract Calls - Collatz" ...

Is there a particular BIP standard that is recommended for generating mnemonic? Tezbridge and Conseiljs-softsigner both utilises BIP39 but I understand that BIP44 is also being used. Which one should ...

I have a Truffle instance of the contract and I call the method like this contract_instance.test(1); Where test in a function that takes a timestamp as parameter. This gives me this error message: ...

Running the PACK operation on a tuple (represented as a pair in Michelson, I get $ ligo interpret -s pascaligo 'Bytes.pack((1, 2))' 0x05070700010002 The numbers 1 and 2 are serialized as 0001 and ...

How are strings serialized to byte arrays? I understand that they are treated like strings, and that ASCII (or utf8) encoding is used. But what about the rest of the bytes, what do they mean? Running ...

I think that the int, tez and nat are all serialized the same way. But what is the algorithm? I tried running some examples through the LIGO CLI but couldn't figure out the system $ ligo interpret -s ...

My node crashed and is outputing these errors: | Sep 29 11:15:24 - validator.peer: Worker crashed [node_peer_validator]: | ...

I am writing a contract in Ligo that manages FA2 fungible tokens with an interface that lets users easily create new tokens. I am building a very simple exchange where the users can create orders to ...

Nonces are to be revealed/injected in the cycle after which they are tied to their block. If you bake a block in cycle 4, and the level % 32 is 0, then you are required to reveal the nonce seed in ...

in smartpy def aa(self) { value_in_func = "1234" msg = "abc" + value_in_func hex_string = msg.encode("utf-8") thingToSign = sp.bytes("0x" + ...

I just installed Tezos Wallet v.2.2.9 on my Ledger Nano S and I would like to export an extended public key (xpub) from this wallet through Ledger Live. But I would like this xpub to generate ...

In my smart contract in LIGO I serialize some data using Bytes.pack which calls the underlying PACK Michelson instruction. In my case, the function signature is (nat, address, nat) -> bytes. Does ...