add eth secp256k1 support

app/encoding.go

@@ -5,6 +5,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/std"
 
 	"github.com/initia-labs/initia/app/params"
+	cryptocodec "github.com/initia-labs/initia/crypto/codec"
 )
 
 var legacyCodecRegistered = false
@@ -14,6 +15,8 @@ func MakeEncodingConfig() params.EncodingConfig {
 	encodingConfig := params.MakeEncodingConfig()
 	std.RegisterLegacyAminoCodec(encodingConfig.Amino)
 	std.RegisterInterfaces(encodingConfig.InterfaceRegistry)
+	cryptocodec.RegisterCrypto(encodingConfig.Amino)
+	cryptocodec.RegisterInterfaces(encodingConfig.InterfaceRegistry)
 	ModuleBasics.RegisterLegacyAminoCodec(encodingConfig.Amino)
 	ModuleBasics.RegisterInterfaces(encodingConfig.InterfaceRegistry)
 

crypto/codec/amino.go

@@ -0,0 +1,13 @@
+package codec
+
+import (
+	"github.com/cosmos/cosmos-sdk/codec"
+
+	ethsecp256k1 "github.com/initia-labs/initia/crypto/keys/eth/secp256k1"
+)
+
+// RegisterCrypto registers all crypto dependency types with the provided Amino
+// codec.
+func RegisterCrypto(cdc *codec.LegacyAmino) {
+	cdc.RegisterConcrete(&ethsecp256k1.PubKey{}, ethsecp256k1.PubKeyName, nil)
+}

crypto/codec/proto.go

@@ -0,0 +1,13 @@
+package codec
+
+import (
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
+
+	ethsecp256k1 "github.com/initia-labs/initia/crypto/keys/eth/secp256k1"
+)
+
+// RegisterInterfaces registers the sdk.Tx interface.
+func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
+	registry.RegisterImplementations((*cryptotypes.PubKey)(nil), &ethsecp256k1.PubKey{})
+}