Questions tagged [transactions]

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14
votes
2answers
658 views

How to make an offline transaction?

How do I create an offline transaction on an air-gapped device and broadcast it to the network?
12
votes
3answers
2k views

When is a Tezos transaction considered to be confirmed?

I have often seen the general rule of thumb be 30 block confirmations. Is this adequate or is it better to count to 900 endorsements or use some other more complicated approach to determining ...
11
votes
3answers
807 views

How to create a transaction

I'm trying to understand the different steps involved in the creation of a transaction operation. Tezos-client -l shows a number of RPC calls, among them: chains/main/blocks/head/helpers/scripts/...
10
votes
2answers
400 views

How to batch transactions?

How do I send a single operation that contains multiple transactions in order to do batch payments?
9
votes
1answer
439 views

UTXO vs account model

What are the drivers behind the decision to adopt an account model (as opposed to an utxo one) to describe transactions in Tezos ?
9
votes
2answers
90 views

How to manage rewards for small delegators?

What would be the best way to transfer rewards for smaller delegators? For instance for those who have delegated less than 1XTZ. Usually their staking capital generates not so much in terms of ...
9
votes
1answer
281 views

How to use rpc parse operations endpoint

I am trying to query the RPC parse operation endpoint The RPC documentation only states that this endpoint Parse operations and I can't seem to find example of how to use it on the web. What I am ...
8
votes
2answers
447 views

What is the difference between fee and gaslimit?

With Ethereum, max fee is gas multiplied by the gas price. But with Tezos, when i construct an operation, the fee is personally set, why is it not computed by gas_limit?
8
votes
1answer
536 views

Max theoretical TPS with current setup of block gas/storage limits?

Given the current gas and storage limits per block what is the maximum number of simple XTZ transfer operation that can be executed per second (or per block if that's a more natural unit) in proto 003 ...
8
votes
1answer
47 views

Spending XTZ held in an implicit account from a smart contract

Is it possible for code in a KT1 smart contract to spend from a tz1 adress ?
8
votes
1answer
891 views

How can I understand why a transaction has failed?

Transaction error codes? A random failed example transaction on tzscan.io does not provide a specific error code. It has been injected by an unknown node without access to its terminal output. Is ...
8
votes
1answer
120 views

How do baking node choose the transactions from the mempool

Could someone describe how the full node chooses transactions from the mempool that make it into a block. I suppose there must be some logic that makes a compromise between fees and gas cost but it ...
8
votes
1answer
107 views

Why does a transaction contain a storage dump?

I have looked at a few transactions with some smart contracts and I have found that they store a dump of contract's storage. For instance: https://mainnet.tezrpc.me/chains/main/blocks/246869/...
6
votes
2answers
144 views

Max lifetime of transactions in mempool?

If a transaction sits a long time in the tezos mempool for a reason or another does it get eventually cleaned-up or will it stay there forever ?
5
votes
2answers
143 views

what this 2 empty [] mean?

when invoke with rpc api GET ..//operations. always has 2 emtpy []. what this mean? I only care transaction. please tell me kind:transaction is locate index where(must include in last index--...
5
votes
3answers
381 views

How to check if remote-signer is working as expected?

How do I know that remote-signer socket started is working expected and accepting signing requests from my baker server without actually sending a transfer transaction. Right now I just do a transfer ...
5
votes
1answer
142 views

TzScan API for alphanet?

Does the TzScan API support alphanet operations? For example, this query in mainnet works. But this query for alphanet does not work even though the ophash ...
5
votes
1answer
211 views

Transactions index in tezos

Currently the full node can offer details of transactions sitting in a queried block but it is not possible for it to provide infos on a particular transaction from its hash because the native tezos ...
5
votes
1answer
155 views

How to calculate the txHash?

When i have a rawTx ,such as this '...
5
votes
1answer
213 views

How are Tezos operations encoded?

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 ...
4
votes
1answer
242 views

Largest block size in tezos?

Is there a limit on the block size in tezos? If so, is it expressed in a maximum number of transactions? Or maximum byte size? Or something else?
4
votes
1answer
54 views

Documentation for Serializing Contract Call Data/Parameters

Is there any documentation available for how to serialize contract call parameters? I found good documentation for serialization of general operations and took a look at the tzips but neither seems ...
4
votes
1answer
51 views

Zero endorsement blocks

It has happened in the past that certain blocks get 0 endorsement. Like this one for instance https://tzscan.io/103652?default=endorsement What conditions lead to such 0 endorsement blocks ?
4
votes
1answer
83 views

How to transfer from originated contract in Babylon

I'm trying to transfer from an originated contract and built the transaction as explained here: tezos-client transfer 0 from tz1xxx to KT1xxx \ --entrypoint 'do' \ --arg '{ ...
4
votes
1answer
107 views

How do I assign counter?

I know that counter is always incremented by 1, but what I don't understand is how to get the initial value of counter for an account.
4
votes
1answer
778 views

Transaction failed

I have just created two wallets on TezBox and Cortez (Both on Android mobile). I have sent 1 XTZ to TezBox (using another Cortez wallet) which went through successfully. Later I tried to send from ...
4
votes
1answer
132 views

transaction rejected by the mempool pre filter

I'm trying to broadcast this operation. The first reveal operation went fine. Now with this one: { amount: "1000000" counter: "1179510" destination: "tz1......" fee: "1273" gas_limit: "...
4
votes
1answer
728 views

Transaction Failing With: proto.003-PsddFKi3.storage_exhausted.operation

I am trying to send from an account that I activated from the Alphanet faucet (tz1htPf3VPXrHBTX1E7y3tBteib6hA9Teosj) to an account that I created myself using generateKeys(mnemonic, password) (...
3
votes
2answers
403 views

Invalid Signature for Tezos transaction

I am writing full custom wallet software for Tezos in C# and got the following raw transaction: UnsignedHex: ...
3
votes
1answer
120 views

Why is my account reduced by 0.257 tz?

Sometimes while trading, the balance in my tz1 account will be reduce by 0.257 tz. After I successfully traded, my account balance would be out of the currency transferred with the transaction fees, ...
3
votes
2answers
294 views

Do Tezos support multisignature transaction?

If it does, where's the documentation? Are there any additional fee for multisig tx?
3
votes
1answer
98 views

Which operations can change Tezos address balances?

I am writing a program that would monitor changes in balance of a set of Tezos addresses. I did the same for UTXO based coins, and the logic was pretty simple. All of the changes were directly ...
3
votes
1answer
245 views

Can't send my tezos around because of a "transaction failed" error

I have my Tezos inside tezbox, but whenever I try to send them I get a "failed transactions" error. See details here. Any idea what's wrong?
3
votes
1answer
49 views

How much is a "small, meaningless" transaction?

Tezos documentation states: A small delegate who is afraid they might be deactivated because they were not given the opportunity to create any block or endorsement can ensure they do not become ...
3
votes
2answers
68 views

What is the maximum value a single transaction output can have?

What is the largest amount one could send in a single transaction? Also just to confirm my understanding, a transaction only has one destination address per transaction right?
3
votes
1answer
69 views

How to receive payments with Velos?

In the comments about the project of layer 2 solution Velos, Stephen Andrews says The method that I've illustrated will distribute tez to any address (doesn't have to be another Velos user). The ...
3
votes
1answer
73 views

is there an OP_RETURN or MEMO field in Tezos transactions?

I'm looking for a way to store information (few bytes) in a Tezos transaction, on BTC I'm using OP_RETURN field but is there a similar field in Tezos transactions ?
3
votes
1answer
95 views

Why did the transaction fail?

I got the transaction ID, why can't I find this transaction?id:onivQ7UehosXojRz6afTR7FZ9L3GfyLrkQa3G6J5rLys6qYoPW9 It should be that the transaction was not broadcast, but how can I find out why? ...
3
votes
1answer
103 views

Can I send transactions from tz1 to KT1 and viceversa?

Can I send kind: "transaction" operations from a tz1 address to a KT1 address and vice versa? Can any weird behavior occur or is some special operation needed?
3
votes
1answer
319 views

How to estimate transfer fee?

Now in Protocol 005 we have to pay estimated 1420 mutez for each tz1 -> tz1 transfer in fees. Also if it's the first transaction from the address we have to add another 1420 mutez for reveal. I ...
3
votes
2answers
118 views

What happens if operation with multiple transactions fail?

I was wondering what happens if we batch several transactions in one call (purge), is there any form of transaction scope? Does all transactions roll back if one fails? Eg. if funds run out from the ...
3
votes
1answer
70 views

Why use transactions to call contracts?

The transaction operation can be used to transfer tez, but also to call a smart contract. This leads to security issues since a user may be tricked into calling a contract when she simply wanted to ...
3
votes
1answer
64 views

How to define (calculate) fee parameter for transfer?

Is there a way to calculate the transaction (transfer) fee only with RPC or eztz.js lib? Either, the only the user can define this parameter? I used only gas price for eth likeness blockchains before ...
3
votes
1answer
224 views

Speeding up / Cancelling Transactions Stuck in Mempool

If I have a transaction stuck in mempool, how can I cancel the transaction or pay more to speed it up?
3
votes
0answers
243 views

Multiple txs and counter already used error

I encountered a weird behavior. If you try to send 2 consecutive tx (in the same tezos block lifetime) you get invalid counter errors: Counter [NUMBER] already used for contract [ADDRESS] Seems ...
2
votes
2answers
849 views

How to calculate price of gas

In Ethereum one can get the gas price using web3.eth.gasPrice. In Tezos, does any RPC provide the gas price, or is there a formula to calculate the gas price?
2
votes
2answers
86 views

How to calculate the "secret" field of an activation operation?

For particular reasons (let's say I am creating a Tezos faucet) I want to send an activation operation to Tezos blockchain. This kind of operation (activate_account) requires three fields: kind, pkh ...
2
votes
2answers
179 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
1answer
110 views

How to delegate from TZ1 address via command line [duplicate]

How do you delegate from a TZ1 address via command line?
2
votes
1answer
140 views

How to get raw transaction from Tezos node

Given an operation ID, I would like the raw transaction as it appears on the blockchain, as a hex string. can I get the raw transaction from the Tezos node or Tezos CLI? How?