near offline sign go sdk

create address

priv,pub,err:=account.GenerateKey()
if err != nil {
	panic(err)
}
fmt.Println("Priv: ",hex.EncodeToString(priv))
fmt.Println("Address: ",account.PublicKeyToAddress(pub))

transfer

client,err:=rpc.NewRpcClient("https://rpc.mainnet.near.org","","")
if err != nil {
	panic(err)
}
blockhash,err:=client.GetLatestBlockHash()
if err != nil {
	panic(err)
}
fmt.Println("Blockhash: ",blockhash)
pub,_:=hex.DecodeString("f0cb2082b845259526fba5953897760cdb06ccf090093e94298b829b564392f7")
pubKey:=account.PublicKeyToString(pub)
fmt.Println("PublicKey: ",pubKey)
nonce,err:=client.GetNonce("f0cb2082b845259526fba5953897760cdb06ccf090093e94298b829b564392f7",pubKey,"")
if err != nil {
	panic(err)
}
fmt.Println("Nonce: ",nonce)
tx,err:=transaction.CreateTransaction(
	"f0cb2082b845259526fba5953897760cdb06ccf090093e94298b829b564392f7",
	"37f453aa256e430216a5b7b01f92386846876fa4fef5ecc29d12acb179380fd6",
	pubKey,
	blockhash,
	nonce,
)
if err != nil {
	panic(err)
}
amount:=decimal.NewFromFloat(0.1).Shift(24)
fmt.Println(amount.String())
ta,err:=serialize.CreateTransfer(amount.String())
if err != nil {
	panic(err)
}
tx.SetAction(ta)
txData,err:=tx.Serialize()
if err != nil {
	panic(err)
}
tx_hex:=hex.EncodeToString(txData)
sig,err:=transaction.SignTransaction(tx_hex,"private key")
if err != nil {
	panic(err)
}
fmt.Println("Sig: ",sig)
stx,err:=transaction.CreateSignatureTransaction(tx,sig)
if err != nil {
	panic(err)
}
stxData,err:=stx.Serialize()
if err != nil {
	panic(err)
}
b64Data:=base64.StdEncoding.EncodeToString(stxData)
txid,err:=client.BroadcastTransaction(b64Data)
if err != nil {
	panic(err)
}
fmt.Println("Txid: ",txid)