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Blockchain

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A blockchain is a digitized, decentralized ledger of transactions. Blockchains record a continuously growing list of records, called blocks, which are linked and secured using cryptography.

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barwod
barwod commented Dec 22, 2021

System information

Geth
Version: 1.10.13-stable
Git Commit: 7a0c19f813e285516f4b525305fd73b625d2dec8
Architecture: amd64
Go Version: go1.17.3
Operating System: linux
GOPATH=
GOROOT=go

Expected behaviour

Close files that aren't in use / have a settable limit

Actual behaviour

Every database file it opens stays open for the duration of the sync

Steps to re

msmouse
msmouse commented Dec 7, 2021

The backup storage format being defined very simple and dumb, which is expected, there are a few bad cases people need to be careful with.

  1. on the backup side, two backup coordinators can run at the same time and write to the storage at the same time, creating duplicate, or even worse, conflicting (if the two coordinators read different chains) backups.
  2. on the "read" side, backup CLI tool
good first issue
fabric
denyeart
denyeart commented Apr 7, 2022

Improve error message when deliver service is asked for a block that doesn't yet exist on the node.

This is all we get for now:
[common.deliver] deliverBlocks -> ERRO 18d59 [channel: channel1] Error reading from channel, cause was: NOT_FOUND

It is enough for Fabric developers to know what happened, but not for users or support personnel.

good first issue
haltman-at
haltman-at commented Nov 8, 2021

Issue

Vyper handles unmapped instructions differently from Solidity. In Solidity, unmapped instructions are given a file index of -1. When attempting to show the source for such an instruction, we instead just show 1: // No source code found..

However, in Vyper, such instructions are not given a file index of -1, but are given a start and length of 0. So when we show the source for t

lbry-sdk
lyoshenka
lyoshenka commented Apr 20, 2021

Creating a new issue based on lbryio/lbry-sdk#877

  • Update ensure_directory_exists() to check that the directory is writable by the current process.
  • If it's not, return a useful error
  • Add tests to cover the case when
    • download directory does not exist
    • download dir exists but is not writable
    • dir exists an
type: improvement help wanted good first issue area: downloads
alexbosworth
alexbosworth commented Dec 19, 2021

In the output of list channels the private/public status of the channel is returned, but in the output of pending channels the status is not revealed. To allow for recognizing a pending open channel as a private requires waiting for the channel to confirm.

Ideally the PendingChannelsResponse would include the channel flags or the private/public status of the channel to know which type of chan

enhancement rpc beginner good first issue
rippled
ximinez
ximinez commented Dec 8, 2021

Issue Description

The instructions provided on failed jobs (example) don't clearly explain where to find the generated patch file. This can be a problem for anyone who is not familiar with how Github Actions pages are organized.

The general idea is:

From the details page, click on "Summary", then scroll down to the "Artifacts" secti

Good First Issue CI Documentation