@ -13,6 +13,7 @@ import (
"os"
"path"
"strconv"
"time"
"github.com/ethereum/go-ethereum/common"
crypto2 "github.com/ethereum/go-ethereum/crypto"
@ -61,6 +62,13 @@ var (
balanceCommand = flag . NewFlagSet ( "getFreeToken" , flag . ExitOnError )
balanceAddressPtr = balanceCommand . String ( "address" , "" , "Specify the account address to check balance for" )
// Quit the program once stopChan received message
stopChan = make ( chan struct { } )
// Print out progress char
tick = time . NewTicker ( time . Second )
// Flag to keep waiting for async call finished
async = true
)
// setupLog setup log for verbose output
@ -110,25 +118,36 @@ func main() {
case "-version" :
printVersion ( os . Args [ 0 ] )
case "new" :
processNewCommnad ( )
go processNewCommnad ( )
case "list" :
processListCommand ( )
go processListCommand ( )
case "removeAll" :
clearKeystore ( )
go clearKeystore ( )
fmt . Println ( "All existing accounts deleted..." )
case "import" :
processImportCommnad ( )
go processImportCommnad ( )
case "balances" :
processBalancesCommand ( )
go processBalancesCommand ( )
case "getFreeToken" :
processGetFreeToken ( )
go processGetFreeToken ( )
case "transfer" :
processTransferCommand ( )
go processTransferCommand ( )
default :
fmt . Printf ( "Unknown action: %s\n" , os . Args [ 1 ] )
flag . PrintDefaults ( )
os . Exit ( 1 )
}
// Waiting for async call finished and print out some progress
for async {
select {
case <- tick . C :
fmt . Printf ( "=" )
case <- stopChan :
fmt . Println ( "Done." )
os . Exit ( 0 )
}
}
}
func processNewCommnad ( ) {
@ -137,6 +156,7 @@ func processNewCommnad() {
if err != nil {
fmt . Println ( "Failed to get randomness for the private key..." )
async = false
return
}
priKey , err := crypto2 . GenerateKey ( )
@ -146,6 +166,7 @@ func processNewCommnad() {
storePrivateKey ( crypto2 . FromECDSA ( priKey ) )
fmt . Printf ( "New account created with address:{%s}\n" , crypto2 . PubkeyToAddress ( priKey . PublicKey ) . Hex ( ) )
fmt . Printf ( "Please keep a copy of the private key:{%s}\n" , hex . EncodeToString ( crypto2 . FromECDSA ( priKey ) ) )
async = false
}
func processListCommand ( ) {
@ -153,6 +174,7 @@ func processListCommand() {
fmt . Printf ( "Account %d:{%s}\n" , i , crypto2 . PubkeyToAddress ( key . PublicKey ) . Hex ( ) )
fmt . Printf ( " PrivateKey:{%s}\n" , hex . EncodeToString ( key . D . Bytes ( ) ) )
}
async = false
}
func processImportCommnad ( ) {
@ -160,6 +182,7 @@ func processImportCommnad() {
priKey := * accountImportPtr
if priKey == "" {
fmt . Println ( "Error: --privateKey is required" )
async = false
return
}
if ! accountImportCommand . Parsed ( ) {
@ -171,6 +194,7 @@ func processImportCommnad() {
}
storePrivateKey ( priKeyBytes )
fmt . Println ( "Private key imported..." )
async = false
}
func processBalancesCommand ( ) {
@ -181,16 +205,17 @@ func processBalancesCommand() {
for i , address := range ReadAddresses ( ) {
fmt . Printf ( "Account %d: %s:\n" , i , address . Hex ( ) )
for shardID , balanceNonce := range FetchBalance ( address , walletNode ) {
fmt . Printf ( " Balance in Shard %d: %s \n" , shardID , convertBalanceIntoReadableFormat ( balanceNonce . balance ) )
fmt . Printf ( " Balance in Shard %d: %s, nonce: %v \n" , shardID , convertBalanceIntoReadableFormat ( balanceNonce . balance ) , balanceNonce . nonce )
}
}
} else {
address := common . HexToAddress ( * balanceAddressPtr )
fmt . Printf ( "Account: %s:\n" , address . Hex ( ) )
for shardID , balanceNonce := range FetchBalance ( address , walletNode ) {
fmt . Printf ( " Balance in Shard %d: %s \n" , shardID , convertBalanceIntoReadableFormat ( balanceNonce . balance ) )
fmt . Printf ( " Balance in Shard %d: %s, nonce: %v \n" , shardID , convertBalanceIntoReadableFormat ( balanceNonce . balance ) , balanceNonce . nonce )
}
}
async = false
}
func processGetFreeToken ( ) {
@ -199,11 +224,14 @@ func processGetFreeToken() {
if * freeTokenAddressPtr == "" {
fmt . Println ( "Error: --address is required" )
async = false
return
}
address := common . HexToAddress ( * freeTokenAddressPtr )
GetFreeToken ( address , walletNode )
async = false
}
func processTransferCommand ( ) {
@ -221,20 +249,24 @@ func processTransferCommand() {
if err != nil {
fmt . Printf ( "Cannot base64-decode input data (%s): %s\n" ,
base64InputData , err )
async = false
return
}
if shardID == - 1 {
fmt . Println ( "Please specify the shard ID for the transfer (e.g. --shardID=0)" )
async = false
return
}
if amount <= 0 {
fmt . Println ( "Please specify positive amount to transfer" )
async = false
return
}
priKeys := readPrivateKeys ( )
if len ( priKeys ) == 0 {
fmt . Println ( "No imported account to use." )
async = false
return
}
senderIndex , err := strconv . Atoi ( sender )
@ -249,18 +281,21 @@ func processTransferCommand() {
}
if senderIndex == - 1 {
fmt . Println ( "The specified sender account does not exist in the wallet." )
async = false
return
}
}
if senderIndex >= len ( priKeys ) {
fmt . Println ( "Sender account index out of bounds." )
async = false
return
}
receiverAddress := common . HexToAddress ( receiver )
if len ( receiverAddress ) != 20 {
fmt . Println ( "The receiver address is not valid." )
async = false
return
}
@ -273,19 +308,21 @@ func processTransferCommand() {
state , ok := shardIDToAccountState [ uint32 ( shardID ) ]
if ! ok {
fmt . Printf ( "Failed connecting to the shard %d\n" , shardID )
async = false
return
}
balance := state . balance
balance = balance . Div ( balance , big . NewInt ( params . GWei ) )
if amount > float64 ( balance . Uint64 ( ) ) / params . GWei {
fmt . Printf ( "Balance is not enough for the transfer, current balance is %.6f\n" , float64 ( balance . Uint64 ( ) ) / params . GWei )
async = false
return
}
amountBigInt := big . NewInt ( int64 ( amount * params . GWei ) )
amountBigInt = amountBigInt . Mul ( amountBigInt , big . NewInt ( params . GWei ) )
tx , _ := types . SignTx ( types . NewTransaction ( state . nonce , receiverAddress , uint32 ( shardID ) , amountBigInt , params . TxGas , nil , inputData ) , types . HomesteadSigner { } , senderPriKey )
wallet . SubmitTransaction ( tx , walletNode , uint32 ( shardID ) )
wallet . SubmitTransaction ( tx , walletNode , uint32 ( shardID ) , stopChan )
}
func convertBalanceIntoReadableFormat ( balance * big . Int ) string {