Enable secp256r1 (#8786)

* enable secp256r1 in antehandlers

* Add sig verification benchamrk to find a sigverify fee

* adjust the gas fee

* enable secp256r1 in antehandlers

* Add sig verification benchamrk to find a sigverify fee

* adjust the gas fee

* Update the secp256r1 fee factor

* Update changelog

* regenerate docs

testutil/testdata/tx.go

@@ -4,8 +4,10 @@ import (
 	"encoding/json"
 
 	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
+	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256r1"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/stretchr/testify/require"
 )
 
 // KeyTestPubAddr generates a new secp256k1 keypair.
@@ -16,6 +18,15 @@ func KeyTestPubAddr() (cryptotypes.PrivKey, cryptotypes.PubKey, sdk.AccAddress)
 	return key, pub, addr
 }
 
+// KeyTestPubAddr generates a new secp256r1 keypair.
+func KeyTestPubAddrSecp256R1(require *require.Assertions) (cryptotypes.PrivKey, cryptotypes.PubKey, sdk.AccAddress) {
+	key, err := secp256r1.GenPrivKey()
+	require.NoError(err)
+	pub := key.PubKey()
+	addr := sdk.AccAddress(pub.Address())
+	return key, pub, addr
+}
+
 // NewTestFeeAmount is a test fee amount.
 func NewTestFeeAmount() sdk.Coins {
 	return sdk.NewCoins(sdk.NewInt64Coin("atom", 150))