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Fetching storage proofs by light client #252
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svyatonik
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This was referenced Aug 8, 2018
pepyakin
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Aug 8, 2018
| let remote_block_id = BlockId::Number(0); | ||
| let remote_block_hash = remote_client.block_hash(0).unwrap().unwrap(); | ||
| let mut remote_block_header = remote_client.header(&remote_block_id).unwrap().unwrap(); | ||
| remote_block_header.state_root = remote_client.state_at(&remote_block_id).unwrap().storage_root(::std::iter::empty()).0.into(); |
substrate/state-machine/src/lib.rs
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| let result = proving_backend.storage(key).map_err(|e| Box::new(e) as Box<Error>)?; | ||
| Ok((result, proving_backend.extract_proof())) | ||
| } | ||
| /// Check storage read proof, generated by `prove` call. |
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do you mean "generated by prove_read call"? : )
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rphmeier
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Aug 8, 2018
| request: &RemoteReadRequest<Block::Hash>, | ||
| remote_proof: Vec<Vec<u8>> | ||
| ) -> ClientResult<Option<Vec<u8>>> { | ||
| let local_header = self.blockchain.header(BlockId::Hash(request.block))?; |
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since this happens well beyond the point where the storage request is actually issued, could the header be pruned if it takes a long time to serve the request or if the header was on the verge of being pruned when the request was issued?
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substrate/state-machine/src/lib.rs
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| let result = proving_backend.storage(key).map_err(|e| Box::new(e) as Box<Error>)?; | ||
| Ok((result, proving_backend.extract_proof())) | ||
| } | ||
| /// Check storage read proof, generated by `prove_read` call. |
gavofyork
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dvdplm
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Aug 14, 2018
* master: Less verbosity (#546) Fetching storage proofs by light client (#252) Gitlab CI build file for linux. (#552) Vote out offline authorities (#524) fix block body fetch for availability pruning (#539) Continue sync after ancestry search (#538) Docs Typo Fixes (#534) don't wait for all futures to resolve before shutdown (#536) Update libp2p and some log (#532) Mh public key for telemetry (#526) Td bps (#527) Reserved peers CLI flag (#528)
pepyakin
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Aug 24, 2018
* storage proofs * fixed grumbles * Update lib.rs
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…ossipsub Subspace networking (gossipsub)
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* Move tests to module in own file * Add test-node-proc crate * Move test node to main lib, fix compilation errors * Fmt * Attempted port scanning * Use global static port to allocate open ports * Register missing type sizes * Fix port scanning and balances test * Don't wait for blocks on insert_jey test * Fmt * Remove unused dependencies * Download v3.0.0 rust binary * Move substrate bin to home dir * Add test instructions to README * Figure out the $PATH * Remove path echo * Add check for missing substrate binary on the PATH * @niklasad1 review: don't include client feature for tests
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