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trc20.go
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trc20.go
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package cmd
import (
"encoding/json"
"fmt"
"math/big"
"github.com/spf13/cobra"
"github.com/bizvip/gotron/pkg/address"
"github.com/bizvip/gotron/pkg/client/transaction"
"github.com/bizvip/gotron/pkg/common"
"github.com/bizvip/gotron/pkg/common/decimals"
"github.com/bizvip/gotron/pkg/keystore"
"github.com/bizvip/gotron/pkg/store"
)
func trc20Sub() []*cobra.Command {
cmdSend := &cobra.Command{
Use: "send <ADDRESS_TO> <AMOUNT> <CONTRACT_ADDRESS> ",
Short: "send TRC20 tokens to an address",
Args: cobra.ExactArgs(3),
PreRunE: validateAddress,
RunE: func(cmd *cobra.Command, args []string) error {
if signerAddress.String() == "" {
return fmt.Errorf("no signer specified")
}
// get amount
value, ok := decimals.FromString(args[1])
if !ok {
return fmt.Errorf("cannot parse value %s", args[1])
}
// get contract address
contract, err := findAddress(args[2])
if err != nil {
return err
}
// get contract decimals if any
tokenDecimals, err := conn.TRC20GetDecimals(contract.String())
if err != nil {
tokenDecimals = big.NewInt(0)
}
amount, _ := decimals.ApplyDecimals(value, tokenDecimals.Int64())
tx, err := conn.TRC20Send(signerAddress.String(), addr.String(), contract.String(), amount, feeLimit)
if err != nil {
return err
}
var ctrlr *transaction.Controller
if useLedgerWallet {
account := keystore.Account{Address: signerAddress.GetAddress()}
ctrlr = transaction.NewController(conn, nil, &account, tx.Transaction, opts)
} else {
ks, acct, err := store.UnlockedKeystore(signerAddress.String(), passphrase)
if err != nil {
return err
}
ctrlr = transaction.NewController(conn, ks, acct, tx.Transaction, opts)
}
if err = ctrlr.ExecuteTransaction(); err != nil {
return err
}
if noPrettyOutput {
fmt.Println(tx)
return nil
}
addrResult := address.Address(ctrlr.Receipt.ContractAddress).String()
result := make(map[string]interface{})
result["txID"] = common.BytesToHexString(tx.GetTxid())
result["blockNumber"] = ctrlr.Receipt.BlockNumber
result["message"] = string(ctrlr.Result.Message)
result["contractAddress"] = addrResult
result["success"] = ctrlr.GetResultError() == nil
result["resMessage"] = string(ctrlr.Receipt.ResMessage)
result["receipt"] = map[string]interface{}{
"fee": ctrlr.Receipt.Fee,
"energyFee": ctrlr.Receipt.Receipt.EnergyFee,
"energyUsage": ctrlr.Receipt.Receipt.EnergyUsage,
"originEnergyUsage": ctrlr.Receipt.Receipt.OriginEnergyUsage,
"energyUsageTotal": ctrlr.Receipt.Receipt.EnergyUsageTotal,
"netFee": ctrlr.Receipt.Receipt.NetFee,
"netUsage": ctrlr.Receipt.Receipt.NetUsage,
}
asJSON, _ := json.Marshal(result)
fmt.Println(common.JSONPrettyFormat(string(asJSON)))
return nil
},
}
cmdBalance := &cobra.Command{
Use: "balance <ADDRESS_TO> <CONTRACT_ADDRESS> ",
Short: "get TRC20 balance from contract",
Args: cobra.ExactArgs(2),
PreRunE: validateAddress,
RunE: func(cmd *cobra.Command, args []string) error {
// get contract address
contract, err := findAddress(args[1])
if err != nil {
return err
}
// get contract decimals if any
tokenDecimals, err := conn.TRC20GetDecimals(contract.String())
if err != nil {
tokenDecimals = big.NewInt(0)
}
// get contract decimals if any
symbol, err := conn.TRC20GetSymbol(contract.String())
if err != nil {
symbol = ""
}
value, err := conn.TRC20ContractBalance(addr.String(), contract.String())
if err != nil {
return err
}
amount := decimals.RemoveDecimals(value, tokenDecimals.Int64())
if noPrettyOutput {
fmt.Println(amount.String())
return nil
}
result := make(map[string]interface{})
result["balance"] = fmt.Sprintf("%s %s", amount.String(), symbol)
asJSON, _ := json.Marshal(result)
fmt.Println(common.JSONPrettyFormat(string(asJSON)))
return nil
},
}
return []*cobra.Command{cmdSend, cmdBalance}
}
func init() {
cmdTrc20 := &cobra.Command{
Use: "trc20",
Short: "TRC20 Manager",
RunE: func(cmd *cobra.Command, args []string) error {
cmd.Help()
return nil
},
}
cmdTrc20.AddCommand(trc20Sub()...)
RootCmd.AddCommand(cmdTrc20)
}