## Description
this pr fixes a integer conversion lint issue.
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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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Mark Rushakoff
Facundo Medica
Marko
AmauryandJeancarlo Barrios
Jacob Gadikian
Emmanuel T Odeke
Rootul P
Elias NaurandMarko
Austin Chandra
Matt Kocubinski
Aleksandr Bezobchuk
Cian Hatton
atheeshp