status-go/services/wallet/bridge/erc721_transfer.go

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package bridge
import (
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
ethTypes "github.com/ethereum/go-ethereum/core/types"
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"github.com/status-im/status-go/account"
"github.com/status-im/status-go/contracts/community-tokens/collectibles"
"github.com/status-im/status-go/eth-node/types"
"github.com/status-im/status-go/params"
"github.com/status-im/status-go/rpc"
"github.com/status-im/status-go/services/wallet/token"
"github.com/status-im/status-go/transactions"
)
type ERC721TransferTxArgs struct {
transactions.SendTxArgs
TokenID *hexutil.Big `json:"tokenId"`
Recipient common.Address `json:"recipient"`
}
type ERC721TransferBridge struct {
rpcClient *rpc.Client
transactor *transactions.Transactor
}
func NewERC721TransferBridge(rpcClient *rpc.Client, transactor *transactions.Transactor) *ERC721TransferBridge {
return &ERC721TransferBridge{rpcClient: rpcClient, transactor: transactor}
}
func (s *ERC721TransferBridge) Name() string {
return "ERC721Transfer"
}
func (s *ERC721TransferBridge) Can(from, to *params.Network, token *token.Token, balance *big.Int) (bool, error) {
return from.ChainID == to.ChainID, nil
}
func (s *ERC721TransferBridge) CalculateFees(from, to *params.Network, token *token.Token, amountIn *big.Int, nativeTokenPrice, tokenPrice float64, gasPrice *big.Float) (*big.Int, *big.Int, error) {
return big.NewInt(0), big.NewInt(0), nil
}
func (s *ERC721TransferBridge) EstimateGas(from, to *params.Network, account common.Address, token *token.Token, amountIn *big.Int) (uint64, error) {
// ethClient, err := s.rpcClient.EthClient(from.ChainID)
// if err != nil {
// return 0, err
// }
// collectiblesABI, err := abi.JSON(strings.NewReader(collectibles.CollectiblesABI))
// if err != nil {
// return 0, err
// }
// toAddress := common.HexToAddress("0x0")
// tokenID, success := new(big.Int).SetString(token.Symbol, 10)
// if !success {
// return 0, err
// }
// data, err := collectiblesABI.Pack("safeTransferFrom", account, toAddress, tokenID)
// if err != nil {
// return 0, err
// }
// estimate, err := ethClient.EstimateGas(context.Background(), ethereum.CallMsg{
// From: account,
// To: &toAddress,
// Value: big.NewInt(0),
// Data: data,
// })
// if err != nil {
// return 0, err
// }
// return estimate + 1000, nil
return 80000, nil
}
func (s *ERC721TransferBridge) sendOrBuild(sendArgs *TransactionBridge, signerFn bind.SignerFn) (tx *ethTypes.Transaction, err error) {
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ethClient, err := s.rpcClient.EthClient(sendArgs.ChainID)
if err != nil {
return tx, err
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}
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contract, err := collectibles.NewCollectibles(common.Address(*sendArgs.ERC721TransferTx.To), ethClient)
if err != nil {
return tx, err
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}
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nonce, unlock, err := s.transactor.NextNonce(s.rpcClient, sendArgs.ChainID, sendArgs.ERC721TransferTx.From)
if err != nil {
return tx, err
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}
defer func() {
unlock(err == nil, nonce)
}()
argNonce := hexutil.Uint64(nonce)
sendArgs.ERC721TransferTx.Nonce = &argNonce
txOpts := sendArgs.ERC721TransferTx.ToTransactOpts(signerFn)
return contract.SafeTransferFrom(txOpts, common.Address(sendArgs.ERC721TransferTx.From), sendArgs.ERC721TransferTx.Recipient,
sendArgs.ERC721TransferTx.TokenID.ToInt())
}
func (s *ERC721TransferBridge) Send(sendArgs *TransactionBridge, verifiedAccount *account.SelectedExtKey) (hash types.Hash, err error) {
tx, err := s.sendOrBuild(sendArgs, getSigner(sendArgs.ChainID, sendArgs.ERC721TransferTx.From, verifiedAccount))
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if err != nil {
return hash, err
}
return types.Hash(tx.Hash()), nil
}
func (s *ERC721TransferBridge) BuildTransaction(sendArgs *TransactionBridge) (*ethTypes.Transaction, error) {
return s.sendOrBuild(sendArgs, nil)
}
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func (s *ERC721TransferBridge) CalculateAmountOut(from, to *params.Network, amountIn *big.Int, symbol string) (*big.Int, error) {
return amountIn, nil
}
func (s *ERC721TransferBridge) GetContractAddress(network *params.Network, token *token.Token) *common.Address {
return &token.Address
}