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evm.go
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evm.go
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package keeper
import (
"encoding/json"
"math/big"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
ethtypes "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/evmos/ethermint/server/config"
evmtypes "github.com/evmos/ethermint/x/evm/types"
"github.com/UptickNetwork/evm-nft-convert/contracts"
"github.com/UptickNetwork/evm-nft-convert/types"
)
// DeployERC721Contract creates and deploys an ERC721 contract on the EVM with the
// erc20 module account as owner.
func (k Keeper) DeployERC721Contract(
ctx sdk.Context,
msg *types.MsgConvertNFT,
) (common.Address, error) {
class, err := k.nftKeeper.GetDenomInfo(ctx, msg.ClassId)
if err != nil {
return common.Address{}, sdkerrors.Wrapf(types.ErrABIPack, "nft class is invalid %s: %s", class.Id, err.Error())
}
ctorArgs, err := contracts.ERC721UpticksContract.ABI.Pack(
"",
class.Name,
class.Symbol,
class.Uri,
class.Data,
class.Description,
class.MintRestricted,
class.Schema,
class.UpdateRestricted,
class.UriHash,
)
if err != nil {
return common.Address{}, sdkerrors.Wrapf(types.ErrABIPack, "nft class is invalid %s: %s", class.Id, err.Error())
}
data := make([]byte, len(contracts.ERC721UpticksContract.Bin)+len(ctorArgs))
copy(data[:len(contracts.ERC721UpticksContract.Bin)], contracts.ERC721UpticksContract.Bin)
copy(data[len(contracts.ERC721UpticksContract.Bin):], ctorArgs)
nonce, err := k.accountKeeper.GetSequence(ctx, types.ModuleAddress.Bytes())
if err != nil {
return common.Address{}, err
}
contractAddr := crypto.CreateAddress(types.ModuleAddress, nonce)
if _, err = k.CallEVMWithData(ctx, types.ModuleAddress, nil, data, true); err != nil {
return common.Address{}, sdkerrors.Wrapf(err, "failed to deploy contract for %s", class.Id)
}
return contractAddr, nil
}
// QueryERC721 returns the data of a deployed ERC721 contract
func (k Keeper) QueryERC721(
ctx sdk.Context,
contract common.Address,
) (types.ERC721Data, error) {
var (
nameRes types.ERC721StringResponse
symbolRes types.ERC721StringResponse
)
erc721 := contracts.ERC721UpticksContract.ABI
// Name
res, err := k.CallEVM(ctx, erc721, types.ModuleAddress, contract, false, "name")
if err != nil {
return types.ERC721Data{}, err
}
if err := erc721.UnpackIntoInterface(&nameRes, "name", res.Ret); err != nil {
return types.ERC721Data{}, sdkerrors.Wrapf(
types.ErrABIUnpack, "failed to unpack name: %s", err.Error(),
)
}
// Symbol
res, err = k.CallEVM(ctx, erc721, types.ModuleAddress, contract, false, "symbol")
if err != nil {
return types.ERC721Data{}, err
}
if err := erc721.UnpackIntoInterface(&symbolRes, "symbol", res.Ret); err != nil {
return types.ERC721Data{}, sdkerrors.Wrapf(
types.ErrABIUnpack, "failed to unpack symbol: %s", err.Error(),
)
}
return types.NewERC721Data(nameRes.Value, symbolRes.Value), nil
}
// QueryClassEnhance returns the data of a deployed ERC721 contract
func (k Keeper) QueryClassEnhance(
ctx sdk.Context,
contract common.Address,
) (types.ClassEnhance, error) {
erc721 := contracts.ERC721UpticksContract.ABI
// Name
res, err := k.CallEVM(ctx, erc721, types.ModuleAddress, contract, false, "getClassEnhanceInfo")
if err != nil {
return types.ClassEnhance{}, err
}
ret, err := erc721.Unpack("getClassEnhanceInfo", res.Ret)
if err != nil {
k.Logger(ctx).Error("QueryClassEnhance resRet", "error", err.Error())
}
if len(ret) != 7 {
return types.ClassEnhance{}, nil
}
return types.NewClassEnhance(
ret[0].(string), ret[1].(string), ret[2].(bool), ret[3].(string),
ret[4].(bool), ret[5].(string), ret[6].(string),
), nil
}
// QueryNFTEnhance returns the data of a deployed ERC721 contract
func (k Keeper) QueryNFTEnhance(
ctx sdk.Context,
contract common.Address,
tokenID *big.Int,
) (types.NFTEnhance, error) {
retEnhance, err := k.QueryERC721DataByTokenID("getNFTEnhanceInfo", ctx, contract, tokenID)
if err != nil {
retTokenUri, err := k.QueryERC721DataByTokenID("tokenURI", ctx, contract, tokenID)
if err != nil {
return types.NFTEnhance{}, nil
} else {
return types.NewNFTEnhance("", retTokenUri[0].(string), "", ""), nil
}
} else {
return types.NewNFTEnhance(retEnhance[0].(string), retEnhance[1].(string), retEnhance[2].(string), retEnhance[3].(string)), nil
}
}
func (k Keeper) QueryERC721DataByTokenID(
queryFuncName string,
ctx sdk.Context,
contract common.Address,
tokenID *big.Int) ([]interface{}, error) {
//uptick bug fix: 11/07 get from tokenUri
erc721 := contracts.ERC721UpticksContract.ABI
res, err := k.CallEVM(ctx, erc721, types.ModuleAddress, contract, true, queryFuncName, tokenID)
if err != nil {
return nil, err
}
ret, err := erc721.Unpack(queryFuncName, res.Ret)
if err != nil {
return nil, err
}
return ret, nil
}
// QueryERC721Token returns the data of a ERC721 token
func (k Keeper) QueryERC721Token(
ctx sdk.Context,
contract common.Address,
) (types.ERC721TokenData, error) {
var (
nameRes types.ERC721TokenStringResponse
symbolRes types.ERC721TokenStringResponse
uriRes types.ERC721TokenStringResponse
)
erc721 := contracts.ERC721UpticksContract.ABI
// Name
res, err := k.CallEVM(ctx, erc721, types.ModuleAddress, contract, false, "name")
if err != nil {
return types.ERC721TokenData{}, err
}
if err := erc721.UnpackIntoInterface(&nameRes, "name", res.Ret); err != nil {
return types.ERC721TokenData{}, sdkerrors.Wrapf(
types.ErrABIUnpack, "failed to unpack name: %s", err.Error(),
)
}
// Symbol
res, err = k.CallEVM(ctx, erc721, types.ModuleAddress, contract, false, "symbol")
if err != nil {
return types.ERC721TokenData{}, err
}
if err := erc721.UnpackIntoInterface(&symbolRes, "symbol", res.Ret); err != nil {
return types.ERC721TokenData{}, sdkerrors.Wrapf(
types.ErrABIUnpack, "failed to unpack symbol: %s", err.Error(),
)
}
if err := erc721.UnpackIntoInterface(&symbolRes, "symbol", res.Ret); err != nil {
return types.ERC721TokenData{}, sdkerrors.Wrapf(
types.ErrABIUnpack, "failed to unpack uri: %s", err.Error(),
)
}
return types.NewERC721TokenData(nameRes.Value, symbolRes.Value, uriRes.Value), nil
}
// QueryERC721TokenOwner returns the owner of given tokenID
func (k Keeper) QueryERC721TokenOwner(
ctx sdk.Context,
contract common.Address,
tokenID *big.Int,
) (common.Address, error) {
var ownerRes types.ERC721TokenOwnerResponse
erc721 := contracts.ERC721UpticksContract.ABI
// Name
res, err := k.CallEVM(ctx, erc721, types.ModuleAddress, contract, false, "ownerOf", tokenID)
if err != nil {
return common.Address{}, err
}
if err := erc721.UnpackIntoInterface(&ownerRes, "ownerOf", res.Ret); err != nil {
return common.Address{}, sdkerrors.Wrapf(
types.ErrABIUnpack, "failed to unpack owner: %s", err.Error(),
)
}
return ownerRes.Value, nil
}
// CallEVM performs a smart contract method call using given args
func (k Keeper) CallEVM(
ctx sdk.Context,
abi abi.ABI,
from, contract common.Address,
commit bool,
method string,
args ...interface{},
) (*evmtypes.MsgEthereumTxResponse, error) {
data, err := abi.Pack(method, args...)
if err != nil {
return nil, sdkerrors.Wrap(
types.ErrABIPack,
sdkerrors.Wrap(err, "failed to create transaction data").Error(),
)
}
resp, err := k.CallEVMWithData(ctx, from, &contract, data, commit)
if err != nil {
return nil, sdkerrors.Wrapf(err, "contract call failed: method '%s', contract '%s'", method, contract)
}
return resp, nil
}
// CallEVMWithData performs a smart contract method call using contract data
func (k Keeper) CallEVMWithData(
ctx sdk.Context,
from common.Address,
contract *common.Address,
data []byte,
commit bool,
) (*evmtypes.MsgEthereumTxResponse, error) {
nonce, err := k.accountKeeper.GetSequence(ctx, from.Bytes())
if err != nil {
return nil, err
}
gasCap := config.DefaultGasCap
if commit {
args, err := json.Marshal(evmtypes.TransactionArgs{
From: &from,
To: contract,
Data: (*hexutil.Bytes)(&data),
})
if err != nil {
return nil, sdkerrors.Wrapf(sdkerrors.ErrJSONMarshal, "failed to marshal tx args: %s", err.Error())
}
gasRes, err := k.evmKeeper.EstimateGas(sdk.WrapSDKContext(ctx), &evmtypes.EthCallRequest{
Args: args,
GasCap: config.DefaultGasCap,
})
if err != nil {
return nil, err
}
gasCap = gasRes.Gas
}
msg := ethtypes.NewMessage(
from,
contract,
nonce,
big.NewInt(0), // amount
gasCap, // gasLimit
big.NewInt(0), // gasFeeCap
big.NewInt(0), // gasTipCap
big.NewInt(0), // gasPrice
data,
ethtypes.AccessList{}, // AccessList
!commit, // isFake
)
res, err := k.evmKeeper.ApplyMessage(ctx, msg, evmtypes.NewNoOpTracer(), commit)
if err != nil {
return nil, err
}
if res.Failed() {
return nil, sdkerrors.Wrap(evmtypes.ErrVMExecution, res.VmError)
}
return res, nil
}