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carlos jazz
@carlosjazz5_twitter
0xc7b6ddEBd35e8dBA5401B14693C8fdbCcf5Df473
Manmeet Singh Parmar
@Manmeet2018
@carlosjazz5_twitter what do you want with the address?
phalexo
@phalexo

@carlosjazz5_twitter what do you want with the address?

What do beggars, scammers want? It is obvious.

Evangelista Carlos
@azo1952360_gitlab
0xc7b6ddEBd35e8dBA5401B14693C8fdbCcf5Df473
ricardo pedraza
@thecryptorichest_gitlab
hi! i want to know if its possible to creat a game to save NFTS, and turn the NFT into any geometric chape??
shape*
hi. someone know if its possible to turn NFTs into any geometric shape, once is alreaty created?
it is possible to be created by a game?
Lauri Peltonen
@microbecode
you can attach any metadata you want to the NFT. And depending on where/how the metadata is stored, it may be possible to change it after deployment
1 reply
jpcooper
@jpcooper
Hello. How is an ECR-20 transfer represented on the chain? Does it involve a transfer of 0 Ether from the initiator to the ECR-20 token contract, along with the appropriate data to initiate the call?
Lauri Peltonen
@microbecode
well, yes, it's a transaction from the initiator to the token contract, where the payload data is calling the transfer functions in the token contract
jpcooper
@jpcooper
@microbecode Thanks. So I'm guessing that this is the standard/only way in which to initiate a "write" function call? Will the contract address always be the to_address in this case?
Lauri Peltonen
@microbecode
I'm not sure what you mean with a "only way to initiate a write". All contract interactions (which modify the contract state) require a transaction. Different contracts have different functions, and therefore require different calls. In direct token transfers, the transaction target is always the token contract
jpcooper
@jpcooper
I mean is this the only way a function which may write data can be called by a user? In that case, in the transaction, is the contract address always the to_address?
Lauri Peltonen
@microbecode
I still don't understand what you mean with a "to_address"
jpcooper
@jpcooper
A transaction involves exactly two addresses, right?
Lauri Peltonen
@microbecode
but, still, yes, to call a state-changing (writing) function you always need a transaction, which user initiates
jpcooper
@jpcooper
A sender and a receiver
Lauri Peltonen
@microbecode
well the receiver address is the address which you want to receive the transaction.. it may be a contract (doing whatever stuff) or an EOA (Externally Owned Account, a wallet)
jpcooper
@jpcooper
I am asking about the case where a user wants to call a function on a contract which writes data. I am only interested in this case
Is it always the case that the contract is the receiver address in this case, and the user is the sender address?
Lauri Peltonen
@microbecode
not necessarily. You can use middleman contracts. So user calls contract A which calls contract B which calls the token contract. In this case the receiver would be A
but in that case contract B is the internal caller, so it's "msg.sender" in the context of the token contract. this basically means that the token contract will only allow transfers of contract B's tokens
jpcooper
@jpcooper
Can you say whether the following is true or false? A user wants to execute a function which writes data on contract C. To do this, the user initiates a transfer of 0 Ether to contract C with appropriate function call payload data
Lauri Peltonen
@microbecode
as I said, that's not always the case. so my answer is 'false'
jpcooper
@jpcooper
A user wants to execute that function directly
Lauri Peltonen
@microbecode
well, then be more precise in your question.... then yes
true
jpcooper
@jpcooper
Thanks. I appreciate the help
jaemymaey
@jaemymaey_twitter
Hi guys
anybody here?
leoleobliue
@leoleobliue
Hello!!!
Sandman702
@MrSandman702_twitter
i need help
is this room active?
Johannes Sandjaja
@peedo14
hi everyone, i’m new to ethereum crypto or blockchain and interested to learn more about it. was wondering if anyone have a resources or kind of like a roadmap to learn this technology, thanks.
ricardo pedraza
@thecryptorichest_gitlab
if you receive any info regarding how to learn better ETH and blockchain let us know
Bernd Strehl
@Strernd

Hi there,
I have a very specific problem occurring on Rinkeby. My backend code creates a transaction and sends it to the Rinkeby network via the Infura node. I get a positive reply with the hash. I can't find the hash on etherscan. If i submit the raw transaction directly to etherscan, etherscan will find it, but it will stay pending. Infura won't find this transaction.
If I create another transaction (same nonce, since infura node tells me that's the next nonce) the transaction is declined, because the fees are not high enough to replace the transaction before (that it apparently doesn't know)
So two things are happening:

  1. The transaction doesn't seem to propagate through the network
  2. Infura doesn't know the transaction but still won't a transaction in place of it (same nonce)

Any ideas? Any recommendations where I should post this issue?

Lauri Peltonen
@microbecode
my guess is that infura isn't updated for Berlin
the hard fork happened just some hours ago, and it will cause such disruptions
Bernd Strehl
@Strernd
@microbecode I thought about that as well, but some other transactions work flawlessly.
Bernd Strehl
@Strernd
Rinkeby should have Berlin since march
Ajay Singh
@ajayatgit
Hi all,
In case you all want to look in your ethereum mainnet tx over explorer.
You can visit - https://dlethexplorer.dltlabs.com/
Robert Toru Kiyosaki
@robertkiyosaki:matrix.org
[m]
@leoleobliue: how's it going
@MrSandman702_twitter: what help you need
Bernd Strehl
@Strernd

Anyone having a suggestion what's wrong with my transaction? (Rinkeby)
Nodes will accept it, but it won't be mined or propagated to other nodes. Very strange

0xf86c81f5852d4029a78082520894cbff0f11f63773f69968782d9b91e97cfcb90b1f875c14dff64ec400802ca0e2ebfd4e2f8046964b1391588e016d5cc69e3ee24c8e3da28e3903de244274f5a06f5e93f29bdfbeb386af78af69a39a5c4b8fe081562b74cca9bb219e0c8070c3

Any idea where I could find people, that can solve this problem?

Lauri Peltonen
@microbecode
I suggest you try some other testnet
Bernd Strehl
@Strernd

I had the same problem on Goerli
Here is a minimum working example:

https://github.com/Strernd/send-eth

Transactions created with this code won't propagate

Bernd Strehl
@Strernd
Turns out I set the nonce 1 too high.
Lauri Peltonen
@microbecode
heh
KaiRo
@kairo:mozilla.org
[m]
haha... yes, a fully valid transaction, just not ready to be included yet