witnet-rust

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feat(node): add method to fix missing blocks in storage

2

Fix #2102

tmpolaczyk

Fix performance of getBalance and getUtxoInfo methods

2

The getBalance method is implemented by iterating over all the existing Unspent Transaction Outputs (UTXOs). This was good enough when the UTXO set was stored in memory, but with the...

tmpolaczyk

witnet-rust currently uses version 0.13.0 of the rocksdb crate, released on 14 Nov 2019. Trying to update that crate to any other version results in this error in github actions:...

tmpolaczyk

Radon Mode operator only works correctly up to 127 equal elements

1

Because it uses a `i8` counter internally, so it overflows on more than 127 equal elements: https://github.com/witnet/witnet-rust/blob/c3b1d86ca229ebf8fe5651bfb35d8db9c902eb54/rad/src/reducers/mode.rs#L10 This affects all radon scripts, as well as the tally validation logic. In...

tmpolaczyk

Read block_chain from database instead of from memory

3

After moving the UTXO set away from memory (#2159), the biggest memory usage is from the `block_chain` field from `ChainState`, which is a map from block epoch to block hash:...

tmpolaczyk

The following radon script, which uses opcode 119 is valid, and equivalent to `[StringParseJSONMap]`: ``` 81 # array(1) 18 77 # unsigned(119) ``` And the following script, which uses opcode...

tmpolaczyk

Cannot find the binary path

4

So I cd in a file directory called `data_structures`, run cargo build and I get this error. ``` Compiling witnet_data_structures v0.3.2 (/Users/kalebamarante/witnet-rust/data_structures) error: failed to run custom build command for...

Kaleb47

Feat: Implement idempotent array reducer

3

So multi-dimensional retrievals can be composed as an array of sources, and data arrays overstep to tally phase, where a mode array reducer may be applied there (for instance).

guidiaz

Assessment removing non voters from ARS

3

**Problem:** The mechanism of Superblocks implies that a committee of miners randomly selected from the Active Reputation Set (aka ARS, the group of nodes that mined a block or solved...

lrubiorod

RUSTSEC-2022-0004: Stack overflow in rustc_serialize when parsing deeply nested JSON

1

> Stack overflow in rustc_serialize when parsing deeply nested JSON | Details | | | ------------------- | ---------------------------------------------- | | Package | `rustc-serialize` | | Version | `0.3.24` | |...

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