Questions tagged [architecture]

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Genesis Sync and History: Are Archive Nodes Indispensable?

I've been exploring the intricacies of node types in Polkadot and other Substrate-based networks and came across a scenario that has left me curious. I understand that full nodes and archive nodes ...
ALeSD's user avatar
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2 votes
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What is the rationale behind the node architecture (Runtime + Host)

Is the separation of the Runtime business logic from the host intended solely for enabling forkless upgrades, or does it also aim to facilitate compatibility with different hosts?
user2862's user avatar
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Why Hosts set storage information directly and not through the Runtime

Why Host set storage information directly and not through the Runtime api? (e.g. Grandpa Authorities, Accounts, Code, Heap_Pages) Is this an expected behavior or legacy?
user2862's user avatar
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4 votes
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What is the core functionality (pallets) that should be part of the specification

We are working on an alternative implementation of the Polkadot protocol, but since the spec is missing a lot of details regarding the Runtime, we rely heavily on the Substrate implementation. So we ...
user2862's user avatar
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1 vote
1 answer

What happen under the hood when I call an extrinsic function?

For example if I call a function from a custom pallet that set a random number on chain this elaboration is done by a single node or by the entire network with some sort of virtualization?
viac92's user avatar
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What materials can we learn for Custom Architecture?

I want to build a nearly real blockchain system based on Substrate framework for an academic study. I have scanned the tutorials and guides, but those materials are all application level content. ...
贺梦杰's user avatar
12 votes
2 answers

Why does Substrate have a Wasm runtime?

Having a Wasm runtime is a key design decision in Substrate's architecture. It's clear that it's a key part of Substrate's forkless upgradability feature, but I'm still curious to understand what ...
Sacha Lansky's user avatar
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