/
register.go
112 lines (90 loc) · 3.39 KB
/
register.go
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package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/ethereum/go-ethereum/common"
"github.com/UptickNetwork/evm-nft-convert/types"
)
// RegisterNFT deploys an erc721 contract and creates the token pair for the existing cosmos coin
func (k Keeper) RegisterNFT(ctx sdk.Context, msg *types.MsgConvertNFT) (*types.TokenPair, error) {
// Check if class is already registered
if k.IsClassRegistered(ctx, msg.ClassId) {
return nil, sdkerrors.Wrapf(
types.ErrTokenPairAlreadyExists, "class ID already registered: %s", msg.ClassId,
)
}
pair := types.NewTokenPair(common.HexToAddress(msg.EvmContractAddress), msg.ClassId)
k.SetTokenPair(ctx, pair)
k.SetClassMap(ctx, pair.ClassId, pair.GetID())
k.SetERC721Map(ctx, common.HexToAddress(pair.Erc721Address), pair.GetID())
return &pair, nil
}
// RegisterERC721 creates a Cosmos coin and registers the token pair between the nft and the ERC721
func (k Keeper) RegisterERC721(ctx sdk.Context, msg *types.MsgConvertERC721) (*types.TokenPair, error) {
// Check if ERC721 is already registered
contract := common.HexToAddress(msg.EvmContractAddress)
if k.IsERC721Registered(ctx, contract) {
return nil, sdkerrors.Wrapf(types.ErrTokenPairAlreadyExists,
"token ERC721 contract already registered: %s", contract.String())
}
err := k.CreateNFTClass(ctx, msg)
if err != nil {
return nil, sdkerrors.Wrap(err,
"failed to create wrapped coin denom metadata for ERC721")
}
pair := types.NewTokenPair(contract, msg.ClassId)
k.SetTokenPair(ctx, pair)
k.SetClassMap(ctx, pair.ClassId, pair.GetID())
k.SetERC721Map(ctx, common.HexToAddress(pair.Erc721Address), pair.GetID())
return &pair, nil
}
// CreateNFTClass generates the metadata to represent the ERC721 token .
func (k Keeper) CreateNFTClass(ctx sdk.Context, msg *types.MsgConvertERC721) error {
contract := common.HexToAddress(msg.EvmContractAddress)
erc721Data, err := k.QueryERC721(ctx, contract)
if err != nil {
return err
}
classEnhance, err := k.QueryClassEnhance(ctx, contract)
if err != nil {
// normal logic
classEnhance.Uri = ""
classEnhance.Data = ""
classEnhance.Schema = ""
classEnhance.UriHash = ""
classEnhance.Description = ""
classEnhance.UpdateRestricted = false
classEnhance.MintRestricted = false
}
if k.IsClassRegistered(ctx, msg.ClassId) {
return sdkerrors.Wrapf(types.ErrInternalTokenPair, "nft class already registered: %s", msg.ClassId)
}
_, err = k.nftKeeper.GetDenomInfo(ctx, msg.ClassId)
if err == nil {
return nil
}
err = k.nftKeeper.SaveDenom(ctx, msg.ClassId, erc721Data.Name, classEnhance.Schema,
erc721Data.Symbol, types.AccModuleAddress, classEnhance.MintRestricted, classEnhance.UpdateRestricted,
classEnhance.Description, classEnhance.Uri, classEnhance.UriHash, classEnhance.Data)
if err != nil {
return err
}
return nil
}
// ToggleConversion toggles conversion for a given token pair
func (k Keeper) ToggleConversion(ctx sdk.Context, token string) (types.TokenPair, error) {
id := k.GetTokenPairID(ctx, token)
if len(id) == 0 {
return types.TokenPair{}, sdkerrors.Wrapf(
types.ErrTokenPairNotFound, "token '%s' not registered by id", token,
)
}
pair, found := k.GetTokenPair(ctx, id)
if !found {
return types.TokenPair{}, sdkerrors.Wrapf(
types.ErrTokenPairNotFound, "token '%s' not registered", token,
)
}
k.SetTokenPair(ctx, pair)
return pair, nil
}