Noticed while examining a bunch of profiles, that the for loop inside
(*CompactBitArry).NumTrueBitsBefore unnecessarily consumed a bunch of
time:
```shell
7.55s 9.88s (flat, cum) 93.38% of Total
240ms 250ms 88:func (bA *CompactBitArray) NumTrueBitsBefore(index int) int {
. . 89: onesCount := 0
70ms 340ms 90: max := bA.Count()
70ms 70ms 91: if index > max {
. . 92: index = max
. . 93: }
. . 94: // below we iterate over the bytes then over bits (in low endian) and count bits set to 1
2.54s 2.76s 95: for elem := 0; elem < len(bA.Elems); elem++ {
```
but we can use the native for loop that produces indices while iterating
over slices. Just by simply changing the form results in an improvement
```shell
7.50s 9.95s (flat, cum) 94.94% of Total
240ms 320ms 88:func (bA *CompactBitArray) NumTrueBitsBefore(index int) int {
. . 89: onesCount := 0
170ms 420ms 90: max := bA.Count()
90ms 100ms 91: if index > max {
. . 92: index = max
. . 93: }
. . 94: // below we iterate over the bytes then over bits (in low endian) and count bits set to 1
1.49s 1.62s 95: for elem := range bA.Elems {
```
and an improvement in CPU time
```shell
$ benchstat before.txt after.txt
name old time/op new time/op delta
NumTrueBitsBefore/new-8 13.3ns ± 1% 12.5ns ± 1% -6.07% (p=0.000 n=10+10)
name old alloc/op new alloc/op delta
NumTrueBitsBefore/new-8 0.00B 0.00B ~ (all equal)
name old allocs/op new allocs/op delta
NumTrueBitsBefore/new-8 0.00 0.00 ~ (all equal)
```
Fixes#13999
## Description
TLDR; check for `s.IsOverHalfOrder()` with less steps
Before this PR:
```go
// parse the signature:
signature := signatureFromBytes(sigStr)
// Reject malleable signatures. libsecp256k1 does this check but btcec doesn't.
// see: https://github.com/ethereum/go-ethereum/blob/f9401ae011ddf7f8d2d95020b7446c17f8d98dc1/crypto/signature_nocgo.go#L90-L93
// Serialize() would negate S value if it is over half order.
// Hence, if the signature is different after Serialize() if should be rejected.
modifiedSignature, parseErr := ecdsa.ParseDERSignature(signature.Serialize())
if parseErr != nil {
return false
}
if !signature.IsEqual(modifiedSignature) {
return false
}
```
It's serializing the signature into a new variable and then comparing if both are equal. Inside `Serialize()` we have:
https://github.com/decred/dcrd/blob/5d537320a0fe2357daf444cc12c62680579689da/dcrec/secp256k1/ecdsa/signature.go#L88-L95
```go
// Ensure the S component of the signature is less than or equal to the half
// order of the group because both S and its negation are valid signatures
// modulo the order, so this forces a consistent choice to reduce signature
// malleability.
sigS := new(secp256k1.ModNScalar).Set(&sig.s)
if sigS.IsOverHalfOrder() {
sigS.Negate()
}
```
Before btcec update to v2:
Until btcec update this was simpler because S was exported in the signature: https://github.com/cosmos/cosmos-sdk/commit/ed9cd41396815bd236770f73bb30e083e63e8b64#diff-30a6b594e157a12a28bf8a26f65ab4de1dc3c65c8419e5756f0b9c25d9ce1a93L46
```go
if signature.S.Cmp(secp256k1halfN) > 0 {
return false
}
```
Closes: #XXXX
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Fixes an oversight that hadn't been considered when the build
guards were added to the other files in the same directory, that
this test requires linking with code that hooks into cgo. This change
adds the build guard
+build cgo
Fixes#13266
* Reduce user password prompts by taking advantage of the already existing MigrateAll function
* Print message when no records were found on the keyring
* Update changelog
* Fix migration test
* Add keys sort
## Description
Closes: #12894
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## Description
Closes: #12612
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## Description
Closes: #12438
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* mainly sdk.int to cosmossdk.io/math
* staking keys
* fumpt
* var-naming linter errors and a fumpt
* Update CHANGELOG.md
* Update .golangci.yml
* Update CHANGELOG.md
* Update test_helpers.go
* Update test_helpers.go
* fumpt and lint
* this lints the db module, and makes it easier to use. It adds breaking name changes
* DBConnection -> Connection
* previous commit contained a merge error
* Update test_helpers.go
* Update test_helpers.go
* db renamings
* merge master
* changelog
* DBWriter -> Writer
* consistent multistore reciever
* standard recievers for multistore v2alpha1
* general cleanup of linting issues
* more linter fixes
* remove prealloc linter
* nolint the secp256k1 import
* nolint the secp256k1 package
* completenolint resulting in a diff that has only nolints
## Description
When locally working with golangci-lint, we can see that there were many deprecation warnings about sdk.Int. This PR resolves that and makes 1-2 other linting related changes. Issue on linting coming next.
This also moves BitCurve to bitCurve.
I expect that this set of changes will require several pull requests, one of them to the settings for the linter.
It also does a gofumpt, because we had various formatting-related linters fail, too.
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## Description
Closes: #12093
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## Description
ref: #11362
I did **NOT** review the following folders, as they contain cryptography which I don't think I'm competent enough to give a useful review:
- [ ] `crypto/xsalsa20symmetric` (new in v046, ported from TM i think)
- [ ] `crypto/keys/secp256k1` (some new stuff in v046 too)
Also performed some manual tests as part of #11939:
- [x] Create keys on v0.45, make sure they still work in v0.46 https://github.com/cosmos/cosmos-sdk/issues/11939#issuecomment-1124881492
- [x] Create new keys in v0.46 https://github.com/cosmos/cosmos-sdk/issues/11939#issuecomment-1124881492
- [x] `--multisig` flag works with an address that's not in the keyring (see [repro](https://github.com/cosmos/cosmos-sdk/issues/9553))
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## Description
Implements part of #7258
Check some of currently unchecked errors.
- [x] baseapp
- [x] client
- [x] codec
- [x] crypto
- [x] server
- [x] simapp
- [ ] snapshots
- [ ] store
- [x] testutil
- [ ] types
- [ ] modules
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## Description
Closes: #11510
Add json struct tags in order to parse correctly the json.
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## Description
This PR introduces a getter for the keyring backend type used in the keyring config. This is useful to disable endpoints whenever the keyring `test` backend is used. This is a workaround since the SDK keyring dependency doesn't support locking accounts. See https://github.com/99designs/keyring/issues/85 for context.
Attack on ethereum that affects Ethermint chain validators/nodes using `keyring_backend=test`, making their funds remotely accessible via `eth_sendTransaction`
https://blog.ethereum.org/2015/08/29/security-alert-insecurely-configured-geth-can-make-funds-remotely-accessible/
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## Description
Closes: #10747
- update secp256k1 cgo fork,
- debug verify bytes
```
benchmark old ns/op new ns/op delta
BenchmarkKeyGeneration-10 407 413 +1.35%
BenchmarkSigning-10 95099 36754 -61.35%
BenchmarkVerification-10 215551 48053 -77.71%
benchmark old allocs new allocs delta
BenchmarkKeyGeneration-10 2 2 +0.00%
BenchmarkSigning-10 83 4 -95.18%
BenchmarkVerification-10 74 1 -98.65%
benchmark old bytes new bytes delta
BenchmarkKeyGeneration-10 96 96 +0.00%
BenchmarkSigning-10 5283 196 -96.29%
BenchmarkVerification-10 3537 32 -99.10%
```
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## Description
Closes: #9914
`NumTrueBitsBefore` was getting out of bound and panicking.
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## Description
Normally keyring module creates two record for each public key created in keyringdb.
The first one with an address as a key witch contains only name of the second key, wich actually contains a public key
But a couple of times we have faced an issue, when the first record exists, and the second for some reason does not.
In such case you are unable to import public key due to error
```shell
$ go run ./cmd/terrad/ keys --keyring-backend kwallet add swelf --pubkey '{"@type":"/cosmos.crypto.secp256k1.PubKey","key":"Ap1W7ww/FaZVpAd487QUVXh7Nmxk4FlREr5IGPuzEnJu"}'
Error: public key already exists in keybase
```
in the same time terrad cli do not see any keys in the keyring
```shell
$ go run ./cmd/terrad/ keys --keyring-backend kwallet list
[]
```
The error occurs when the record with address still exists in the keyring db.
I would like to resolve the error.
I see at least three different ways to do it.
1) Informing the user about situation and recreate public key
```shell
$ go run ./cmd/terrad/ keys --keyring-backend kwallet add swelf --pubkey '{"@type":"/cosmos.crypto.secp256k1.PubKey","key":"Ap1W7ww/FaZVpAd487QUVXh7Nmxk4FlREr5IGPuzEnJu"}'
**address "7cc4633deb18c0531b382a50275ad94e05f84580" exists but pubkey itself does not
recreating pubkey record**
- name: swelf
type: offline
address: terra10nzxx00trrq9xxec9fgzwkkefczls3vqkpkjl4
pubkey: '{"@type":"/cosmos.crypto.secp256k1.PubKey","key":"Ap1W7ww/FaZVpAd487QUVXh7Nmxk4FlREr5IGPuzEnJu"}'
mnemonic: ""
```
with notifying user about an issue
2) Asking the user to confirm procedure of restoring public key
3) Just informing user about an issue and do nothing.
I prefer the first way, i do not see a reason when user do not want to fix an issue.
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## Description
Closes: #9404
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The xsalsa20symmetric package is otherwise unused in Tendermint Core.
Move the dependency to a subpackage of crypto and update the imports.
No functional changes.
Cleaning it and moving the breaking "test" code to testutils
Related to: https://github.com/cosmos/cosmos-sdk/pull/10956
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## Description
move new gov messages to types/v1beta2
regenerate proto
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## Description
Closes: #10042
Port #10275 to master. This is addressing a regression issue for the previously merged #10061. Changelog entry and tests included in the merged #10061.
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## Description
+ fixing `x/bank/migrations/v44.migrateDenomMetadata` - we could potentially put a wrong data in a new key if the old keys have variable length.
+ linting the code
Putting in the same PR because i found the issue when running a linter.
Depends on: #10112
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## Description
Closes: #10219
Migrate key names correctly when migrating from v0.42.9 to master keyring
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fmt.Printf or fmt.Sprintf already know how to convert a
byteslice into a string when building the output; we shouldn't
incur the unnecessary string(byteslice) conversion.
Using Bencher, we can see improvements such as
https://dashboard.github.orijtech.com/benchmark/3245b8e4bbbd44a597480319aaa4b9fe
which in independent experiments show:
* time/op (ns/op)
FormatIt-8 1.2µs ± 2% 1.1µs ± 10% -11.77% (p=0.000 n=10+9)
* speed (MB/s)
FormatIt-8 0.71GB/s ± 2% 0.80GB/s ± 9% +13.59% (p=0.000 n=10+9)
* allocs/op (B/op)
FormatIt-8 2.0kB ± 0% 1.1kB ± 0% -45.62% (p=0.000 n=10+10)
* allocs/op (count/op)
FormatIt-8 11 ± 0% 9.0 ± 0% -18.18% (p=0.000 n=10+10)
Fixes#10363
## Description
The `io/ioutil` package has been deprecated in Go 1.16 (See https://golang.org/doc/go1.16#ioutil). Since cosmos-sdk has upgraded to Go 1.17 (#9987), this PR replaces the existing `io/ioutil` functions with their new definitions in `io` and `os` packages.
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## Description
Closes: #10082
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Jacob Gadikian
Julián ToledanoandEzequiel Raynaudo
Julien Robert
Emmanuel T Odeke
Facundo Medica
Rootul P
AmauryandAaron Craelius
Elias NaurandMarko
Austin Chandra
Matt Kocubinski
Aleksandr Bezobchuk
likhita-809
Cian Hatton
atheeshp
Federico Kunze Küllmer
dependabot[bot]andmarbar3778
swelf19
M. J. Fromberger
Robert Zaremba
Mario Karagiorgas
Eng Zer Jun
Jeeyong Um
