feat: add erc20 token address for tokenfactory token

app/app.go

@@ -536,6 +536,7 @@ func New(
 		app.AccountKeeper,
 		&app.BankKeeper,
 		&app.WasmKeeper,
+		&app.Erc20Keeper,
 		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
 	)
 

x/tokenfactory/keeper/createdenom.go

@@ -1,12 +1,15 @@
 package keeper
 
 import (
+	"crypto/sha256"
 	"fmt"
 
 	"cosmossdk.io/errors"
 	"github.com/MANTRA-Chain/mantrachain/v5/x/tokenfactory/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
+	erc20types "github.com/cosmos/evm/x/erc20/types"
+	ethcommon "github.com/ethereum/go-ethereum/common"
 )
 
 // ConvertToBaseToken converts a fee amount in a whitelisted fee token to the base fee token amount
@@ -36,6 +39,7 @@ func (k Keeper) createDenomAfterValidation(ctx sdk.Context, creatorAddr, denom s
 				Exponent: 0,
 			}},
 			Base: denom,
+			Name: denom,
 		}
 
 		k.bankKeeper.SetDenomMetaData(ctx, denomMetaData)
@@ -49,6 +53,17 @@ func (k Keeper) createDenomAfterValidation(ctx sdk.Context, creatorAddr, denom s
 		return err
 	}
 
+	// create erc20 contractAddr and set token pair
+	denomHash := sha256.Sum256([]byte(denom))
+	ethContractAddr := ethcommon.BytesToAddress(denomHash[:])
+	pair := erc20types.NewTokenPair(ethContractAddr, denom, erc20types.OWNER_EXTERNAL)
+	k.erc20Keeper.SetToken(ctx, pair)
+
+	err = k.erc20Keeper.EnableDynamicPrecompiles(ctx, pair.GetERC20Contract())
+	if err != nil {
+		return err
+	}
+
 	k.addDenomFromCreator(ctx, creatorAddr, denom)
 	return nil
 }

x/tokenfactory/keeper/keeper.go

@@ -21,6 +21,7 @@ type (
 		accountKeeper  types.AccountKeeper
 		bankKeeper     types.BankKeeper
 		contractKeeper types.WasmKeeper
+		erc20Keeper    types.ERC20Keeper
 		authority      string
 	}
 )
@@ -33,6 +34,7 @@ func NewKeeper(
 	accountKeeper types.AccountKeeper,
 	bankKeeper types.BankKeeper,
 	contractKeeper types.WasmKeeper,
+	erc20Keeper types.ERC20Keeper,
 	authority string,
 ) Keeper {
 	return Keeper{
@@ -42,6 +44,7 @@ func NewKeeper(
 		accountKeeper:  accountKeeper,
 		bankKeeper:     bankKeeper,
 		contractKeeper: contractKeeper,
+		erc20Keeper:    erc20Keeper,
 		authority:      authority,
 	}
 }

x/tokenfactory/keeper/msg_server.go

@@ -2,11 +2,13 @@ package keeper
 
 import (
 	"context"
+	"crypto/sha256"
 
 	"cosmossdk.io/errors"
 	"github.com/MANTRA-Chain/mantrachain/v5/x/tokenfactory/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	ethcommon "github.com/ethereum/go-ethereum/common"
 )
 
 type msgServer struct {
@@ -33,11 +35,15 @@ func (server msgServer) CreateDenom(goCtx context.Context, msg *types.MsgCreateD
 		return nil, err
 	}
 
+	denomHash := sha256.Sum256([]byte(denom))
+	ethContractAddr := ethcommon.BytesToAddress(denomHash[:])
+
 	ctx.EventManager().EmitEvents(sdk.Events{
 		sdk.NewEvent(
 			types.TypeMsgCreateDenom,
 			sdk.NewAttribute(types.AttributeCreator, msg.Sender),
 			sdk.NewAttribute(types.AttributeNewTokenDenom, denom),
+			sdk.NewAttribute(types.AttributeNewTokenEthAddr, ethContractAddr.Hex()),
 		),
 	})
 

x/tokenfactory/types/events.go

@@ -6,6 +6,7 @@ const (
 	AttributeCreator               = "creator"
 	AttributeSubdenom              = "subdenom"
 	AttributeNewTokenDenom         = "new_token_denom" //nolint:gosec // token name, not a credential
+	AttributeNewTokenEthAddr       = "new_token_eth_addr"
 	AttributeMintToAddress         = "mint_to_address"
 	AttributeBurnFromAddress       = "burn_from_address"
 	AttributeTransferFromAddress   = "transfer_from_address"

x/tokenfactory/types/expected_keepers.go

@@ -6,6 +6,8 @@ import (
 	wasmtypes "github.com/CosmWasm/wasmd/x/wasm/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
+	erc20types "github.com/cosmos/evm/x/erc20/types"
+	ethcommon "github.com/ethereum/go-ethereum/common"
 )
 
 type BankKeeper interface {
@@ -39,3 +41,8 @@ type WasmKeeper interface {
 	Sudo(ctx context.Context, contractAddress sdk.AccAddress, msg []byte) ([]byte, error)
 	GetContractInfo(ctx context.Context, contractAddress sdk.AccAddress) *wasmtypes.ContractInfo
 }
+
+type ERC20Keeper interface {
+	SetToken(ctx sdk.Context, pair erc20types.TokenPair)
+	EnableDynamicPrecompiles(ctx sdk.Context, addresses ...ethcommon.Address) error
+}