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Questions tagged [protocol]

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18 questions with no upvoted or accepted answers
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votes
1answer
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DEVp2p Wire Protocol tutorial on geth or Web3.js/Web3.py

I was looking to develop an application using ÐΞVp2p Wire Protocol and I'm having trouble finding an example or tutorial. I was able to find only ÐΞVp2p Wire Protocol's wiki. [Q] Does anybody has a ...
3
votes
0answers
34 views

DEVP2P character encoding - please clarify 'ASCII'

Please can someone clarify if DEVP2P wire protocol specifies byte-sized 7 bit encoding when it refers to 'ASCII'? i.e. 3 bytes
3
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0answers
33 views

Is there any way to generate cheap proofs of Ethereum's state?

A contract on the Ethereum network can interact with other contracts within it without requiring any proof, because the system itself defines methods for cross-contract communication (SEND, CALL). ...
3
votes
0answers
188 views

Simple hello packet

I am trying to generate a simple hello packet for handshaking with a remote Ethereum client using the encode method from the rlp library. from rlp import encode hello = bytearray(encode([0x00, 4, "...
2
votes
1answer
78 views

The difference between web3.version.network and web3.version.ethereum

The return values of the commands web3.version.network and web3.version.ethereum are: web3.version.network = "The network protocol version" web3.version.ethereum = "The etherum protocol version." ...
2
votes
0answers
715 views

Difference between a Protocol Token and a Dapp Token?

I've seen tokens referred to as "protocol tokens" and "dapp tokens", as far as I can tell they are on in the same. Maybe a protocol token is simply a dapp token with a published ABI? There's even ...
2
votes
0answers
32 views

Can I arrange for refunded gas to go to the recipient instead of the sender?

I've sent some small test transactions around and noticed that, unless gas is precisely calculated, if you try to send everything in one address to another, the spare gas ends up in the sender's ...
2
votes
0answers
3k views

Does Ethereum has halving or anything equivalent?

Bitcoin has a halving which will likely happen around June 2020. Is there anything similar for Ethereum? If not, why?
1
vote
0answers
33 views

Delay on receiving block by peered node

Sometimes it takes an around of 25ms to import new block by the other peered node after mined by miner. But sometimes it increases directly around 400ms to import block by peered node after mined by ...
1
vote
0answers
37 views

IPFS Protocol upgrade or migrations

How would I migrate from IPFS, let says that I got 10M files linked by IPFS, and I want to migrate all of them to Swarm, how would I do that? The question in a different way: I want to use a new ...
1
vote
0answers
78 views

Port requirements for a Light-Node?

For a light client (geth --light or parity --light) running the light client protocol what are the port requirements? Incoming: Does a light client expose a port where he accepts incoming ...
1
vote
0answers
83 views

How does one connect to a blockchain? (technical)

Maybe this was asked sometimes, but I wasn't able to find an answer. I want to ask how does one connect to a blockchain in general - not the configuration part how to download it, but from the ...
1
vote
2answers
48 views

Call a smart contract from the protocol level

I am wondering if it is possible to call a function of a smart contract every time a block is mined, perhaps as part of the coinbase transaction? The result of the call would be to send a percentage ...
1
vote
0answers
49 views

Overview of “Call collect” EIP-86

I read here that EIP-86 can allow transactions to be paid for by a contract being called. I understand how child-pays-for-parent works in Bitcoin, but EIP-86 does not appear to work at all in the same ...
1
vote
0answers
379 views

Stratum mining.notify help

So, I was working on my own mining client which it works on some ubiq pools, now im trying to make it work with Ethereum on ethermine.org pool which uses stratum, how do I handle the data recieved on ...
0
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0answers
11 views

Can anybody help me with protocol development?

I have seen a lot of resources for dApp development but I don't know how to start learning more about protocol development. I have read whitepapers, some articles and started reading go-ethereum's ...
0
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0answers
11 views

Dai [DAI] stablecoin Consensus Mechanism?

What is the Protocol (name of the Blockchain Protocol) of Dai [DAI] stablecoin and what is its Consensus Mechanism?
0
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0answers
22 views

How to register a service for go-ethereum node?

I checked go-ethereum code and I see this piece of code // Service is an individual protocol that can be registered into a node. // // Notes: // // • Service life-cycle management is delegated to the ...