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RPC: query historical storage entries - #537
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gavofyork
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Aug 14, 2018
gavofyork
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Aug 14, 2018
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this doesn't touch runtime and only runtime failed in CI (spuriously); looks safe. |
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* Update to latest sub * Revert branch update * Update. * Update tests. * Ignore warnings in tests.
lamafab pushed a commit
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* Bump Substrate and versions (paritytech#531) * Bump versions * Build fix. * Enable governance (paritytech#536) * Enable governance * Tweak a few parameters * Bump substrate, versions. (paritytech#538) * Bump substrate, versions. * Build fix * Bump rpc deps (paritytech#537) * Update to latest sub * Revert branch update * Update. * Update tests. * Ignore warnings in tests. * Revert substrate (paritytech#540) * Version bump * Bump Substrate, versions. (paritytech#542) * Bump Substrate, versions. Also revert the enabling of democracy * Build fix * Bump Substrate (paritytech#544) * Bump Substrate * Fix * A few tidyups * Bump Substrate (paritytech#547) * Bump Substrate * Another bump * Fixed build for new block_import API * Enable grandpa migration. (paritytech#549) * Enable grandpa migration. * Bump runtime version
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* Rename OrderDirection to Side * Rename OrderType to Type * Rename OrderStatus * Also log error for std * Clarify the range for quotations Nit * Remove useless import * Revert OrderType * Revert OrderStatus
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* Update polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update artifacts Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Change CLI default to bytes Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Storage query example Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update storage_query example with different alternatives Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc: Make calls with StorageKey instead of the prefix Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Examples: Add double map storage iteration Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Use tracing_subscriber for logs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Fix clippy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
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Instead of re-executing blocks we are just figuring out the diffs for given set of keys.
We first try to find a path starting at the end block up to the start block, by using hashes. Then we query the storage for all those blocks and return the results as diffs (StorageChangeSets).
I suppose it will not work well if the state is pruned, but should work fine on archive nodes.
Related: #135