feat(crypto): add blst (#20296)

Co-authored-by: itsdevbear <itsdevbear@berachain.com>
Co-authored-by: Akhil Kumar P <36399231+akhilkumarpilli@users.noreply.github.com>

crypto/codec/amino.go

@@ -4,7 +4,7 @@ import (
 	"github.com/cometbft/cometbft/crypto/sr25519"
 
 	"cosmossdk.io/core/legacy"
-
+	bls12_381 "github.com/cosmos/cosmos-sdk/crypto/keys/bls12_381"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
 	kmultisig "github.com/cosmos/cosmos-sdk/crypto/keys/multisig"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
@@ -21,6 +21,7 @@ func RegisterCrypto(cdc legacy.Amino) {
 		ed25519.PubKeyName)
 	cdc.RegisterConcrete(&secp256k1.PubKey{},
 		secp256k1.PubKeyName)
+	cdc.RegisterConcrete(&bls12_381.PubKey{}, bls12_381.PubKeyName)
 	cdc.RegisterConcrete(&kmultisig.LegacyAminoPubKey{},
 		kmultisig.PubKeyAminoRoute)
 
@@ -31,4 +32,5 @@ func RegisterCrypto(cdc legacy.Amino) {
 		ed25519.PrivKeyName)
 	cdc.RegisterConcrete(&secp256k1.PrivKey{},
 		secp256k1.PrivKeyName)
+	cdc.RegisterConcrete(&bls12_381.PrivKey{}, bls12_381.PrivKeyName)
 }

crypto/codec/cmt.go

@@ -6,7 +6,7 @@ import (
 	"github.com/cometbft/cometbft/crypto/encoding"
 
 	"cosmossdk.io/errors"
-
+	bls12_381 "github.com/cosmos/cosmos-sdk/crypto/keys/bls12_381"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
@@ -24,6 +24,10 @@ func FromCmtProtoPublicKey(protoPk cmtprotocrypto.PublicKey) (cryptotypes.PubKey
 		return &secp256k1.PubKey{
 			Key: protoPk.Secp256K1,
 		}, nil
+	case *cmtprotocrypto.PublicKey_Bls12381:
+		return &bls12_381.PubKey{
+			Key: protoPk.Bls12381,
+		}, nil
 	default:
 		return nil, errors.Wrapf(sdkerrors.ErrInvalidType, "cannot convert %v from Tendermint public key", protoPk)
 	}
@@ -44,6 +48,12 @@ func ToCmtProtoPublicKey(pk cryptotypes.PubKey) (cmtprotocrypto.PublicKey, error
 				Secp256K1: pk.Key,
 			},
 		}, nil
+	case *bls12_381.PubKey:
+		return cmtprotocrypto.PublicKey{
+			Sum: &cmtprotocrypto.PublicKey_Bls12381{
+				Bls12381: pk.Key,
+			},
+		}, nil
 	default:
 		return cmtprotocrypto.PublicKey{}, errors.Wrapf(sdkerrors.ErrInvalidType, "cannot convert %v to Tendermint public key", pk)
 	}

crypto/codec/proto.go

@@ -3,6 +3,7 @@ package codec
 import (
 	"cosmossdk.io/core/registry"
 
+	bls12_381 "github.com/cosmos/cosmos-sdk/crypto/keys/bls12_381"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/multisig"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
@@ -16,11 +17,13 @@ func RegisterInterfaces(registry registry.InterfaceRegistrar) {
 	registry.RegisterInterface("cosmos.crypto.PubKey", pk)
 	registry.RegisterImplementations(pk, &ed25519.PubKey{})
 	registry.RegisterImplementations(pk, &secp256k1.PubKey{})
+	registry.RegisterImplementations(pk, &bls12_381.PubKey{})
 	registry.RegisterImplementations(pk, &multisig.LegacyAminoPubKey{})
 
 	var priv *cryptotypes.PrivKey
 	registry.RegisterInterface("cosmos.crypto.PrivKey", priv)
 	registry.RegisterImplementations(priv, &secp256k1.PrivKey{})
 	registry.RegisterImplementations(priv, &ed25519.PrivKey{})
+	registry.RegisterImplementations(priv, &bls12_381.PrivKey{})
 	secp256r1.RegisterInterfaces(registry)
 }