Function installSC

functions.go:2794–2862

Install a new smart contract

(code string, args []rpc.Argument)

// Install a new smart contract
func installSC(code string, args []rpc.Argument) (txid string, err error) {
	var dest string
	switch session.Network {
	case NETWORK_MAINNET:
		dest = "dero1qykyta6ntpd27nl0yq4xtzaf4ls6p5e9pqu0k2x4x3pqq5xavjsdxqgny8270"
	case NETWORK_SIMULATOR:
		dest = "deto1qyvyeyzrcm2fzf6kyq7egkes2ufgny5xn77y6typhfx9s7w3mvyd5qqynr5hx"
	case NETWORK_TESTNET:
		dest = "deto1qy0ehnqjpr0wxqnknyc66du2fsxyktppkr8m8e6jvplp954klfjz2qqdzcd8p"
	}

	transfer := rpc.Transfer{
		Destination: dest,
		Amount:      0,
		Burn:        0,
	}

	_, err = transfer.Payload_RPC.CheckPack(transaction.PAYLOAD0_LIMIT)
	if err != nil {
		logger.Errorf("[Engram] Install arguments packing err: %s\n", err)
		err = fmt.Errorf("contract install pack error")
		return
	}

	// decode SC from base64 if possible
	if sc, err := base64.StdEncoding.DecodeString(code); err == nil {
		code = string(sc)
	}

	args = append(args, rpc.Argument{Name: rpc.SCACTION, DataType: rpc.DataUint64, Value: uint64(rpc.SC_INSTALL)})
	args = append(args, rpc.Argument{Name: rpc.SCCODE, DataType: rpc.DataString, Value: code})

	fees := uint64(0)
	gasParams := rpc.GasEstimate_Params{
		Transfers: []rpc.Transfer{transfer},
		SC_Code:   code,
		SC_Value:  0,
		SC_RPC:    args,
		Ringsize:  2,
		Signer:    engram.Disk.GetAddress().String(),
	}

	if gas, err := getGasEstimate(gasParams); err == nil {
		fees = gas
		logger.Printf("[Engram] SC install fees: %d\n", fees)
	} else {
		// uses default fees
		logger.Errorf("[Engram] Error estimating fees: %s\n", err)
	}

	tx, err := engram.Disk.TransferPayload0([]rpc.Transfer{transfer}, 2, false, args, fees, false)
	if err != nil {
		logger.Errorf("[Engram] Error while building install transaction: %s\n", err)
		err = fmt.Errorf("contract install build error")
		return
	}

	if err = engram.Disk.SendTransaction(tx); err != nil {