129 lines
3.2 KiB
Go
129 lines
3.2 KiB
Go
package commands
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import (
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"context"
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"database/sql"
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"encoding/json"
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"errors"
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/status-im/status-go/rpc"
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persistence "github.com/status-im/status-go/services/connector/database"
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"github.com/status-im/status-go/services/wallet/router/fees"
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"github.com/status-im/status-go/signal"
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"github.com/status-im/status-go/transactions"
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)
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var (
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ErrParamsFromAddressIsNotShared = errors.New("from parameter address is not dApp's shared account")
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ErrNoTransactionParamsFound = errors.New("no transaction in params found")
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ErrSendingParamsInvalid = errors.New("sending params are invalid")
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)
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type SendTransactionCommand struct {
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RpcClient rpc.ClientInterface
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Db *sql.DB
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ClientHandler ClientSideHandlerInterface
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}
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func (r *RPCRequest) getSendTransactionParams() (*transactions.SendTxArgs, error) {
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if r.Params == nil || len(r.Params) == 0 {
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return nil, ErrEmptyRPCParams
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}
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paramMap, ok := r.Params[0].(map[string]interface{})
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if !ok {
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return nil, ErrNoTransactionParamsFound
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}
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paramBytes, err := json.Marshal(paramMap)
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if err != nil {
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return nil, fmt.Errorf("error marshalling first transaction param: %v", err)
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}
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var sendTxArgs transactions.SendTxArgs
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err = json.Unmarshal(paramBytes, &sendTxArgs)
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if err != nil {
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return nil, fmt.Errorf("error unmarshalling first transaction param to SendTxArgs: %v", err)
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}
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return &sendTxArgs, nil
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}
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func (c *SendTransactionCommand) Execute(ctx context.Context, request RPCRequest) (interface{}, error) {
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err := request.Validate()
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if err != nil {
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return "", err
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}
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dApp, err := persistence.SelectDAppByUrl(c.Db, request.URL)
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if err != nil {
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return "", err
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}
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if dApp == nil {
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return "", ErrDAppIsNotPermittedByUser
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}
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params, err := request.getSendTransactionParams()
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if err != nil {
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return "", err
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}
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if !params.Valid() {
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return "", ErrSendingParamsInvalid
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}
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if params.From != dApp.SharedAccount {
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return "", ErrParamsFromAddressIsNotShared
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}
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if params.Value == nil {
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params.Value = (*hexutil.Big)(big.NewInt(0))
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}
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if params.GasPrice == nil || (params.MaxFeePerGas == nil && params.MaxPriorityFeePerGas == nil) {
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feeManager := &fees.FeeManager{
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RPCClient: c.RpcClient,
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}
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fetchedFees, err := feeManager.SuggestedFees(ctx, dApp.ChainID)
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if err != nil {
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return "", err
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}
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if !fetchedFees.EIP1559Enabled {
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params.GasPrice = (*hexutil.Big)(fetchedFees.GasPrice)
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} else {
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params.MaxFeePerGas = (*hexutil.Big)(fetchedFees.FeeFor(fees.GasFeeMedium))
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params.MaxPriorityFeePerGas = (*hexutil.Big)(fetchedFees.MaxPriorityFeePerGas)
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}
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}
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if params.Nonce == nil {
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ethClient, err := c.RpcClient.EthClient(dApp.ChainID)
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if err != nil {
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return "", err
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}
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nonce, err := ethClient.PendingNonceAt(ctx, common.Address(dApp.SharedAccount))
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if err != nil {
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return "", err
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}
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params.Nonce = (*hexutil.Uint64)(&nonce)
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}
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hash, err := c.ClientHandler.RequestSendTransaction(signal.ConnectorDApp{
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URL: request.URL,
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Name: request.Name,
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IconURL: request.IconURL,
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}, dApp.ChainID, params)
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if err != nil {
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return "", err
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}
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return hash.String(), nil
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}
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