func Call(nodeAddr, pubkey, addr, toAddr, amtS, nonceS, gasS, feeS, data string) (*types.CallTx, error) {
pub, _, amt, nonce, err := checkCommon(nodeAddr, pubkey, addr, amtS, nonceS)
if err != nil {
return nil, err
}
toAddrBytes, err := hex.DecodeString(toAddr)
if err != nil {
return nil, fmt.Errorf("toAddr is bad hex: %v", err)
}
fee, err := strconv.ParseInt(feeS, 10, 64)
if err != nil {
return nil, fmt.Errorf("fee is misformatted: %v", err)
}
gas, err := strconv.ParseInt(gasS, 10, 64)
if err != nil {
return nil, fmt.Errorf("gas is misformatted: %v", err)
}
dataBytes, err := hex.DecodeString(data)
if err != nil {
return nil, fmt.Errorf("data is bad hex: %v", err)
}
tx := types.NewCallTxWithNonce(pub, toAddrBytes, dataBytes, amt, gas, fee, int(nonce))
return tx, nil
}
func TestSuicide(t *testing.T) {
state, privAccounts, _ := RandGenesisState(3, true, 1000, 1, true, 1000)
acc0 := state.GetAccount(privAccounts[0].PubKey.Address())
acc0PubKey := privAccounts[0].PubKey
acc1 := state.GetAccount(privAccounts[1].PubKey.Address())
acc2 := state.GetAccount(privAccounts[2].Address)
sendingAmount, refundedBalance, oldBalance := int64(1), acc1.Balance, acc2.Balance
newAcc1 := state.GetAccount(acc1.Address)
// store 0x1 at 0x1, push an address, then suicide :)
contractCode := []byte{0x60, 0x01, 0x60, 0x01, 0x55, 0x73}
contractCode = append(contractCode, acc2.Address...)
contractCode = append(contractCode, 0xff)
newAcc1.Code = contractCode
state.UpdateAccount(newAcc1)
// send call tx with no data, cause suicide
tx := types.NewCallTxWithNonce(acc0PubKey, acc1.Address, nil, sendingAmount, 1000, 0, acc0.Sequence+1)
tx.Input.Signature = privAccounts[0].Sign(state.ChainID, tx)
// we use cache instead of execTxWithState so we can run the tx twice
cache := NewBlockCache(state)
if err := ExecTx(cache, tx, true, nil); err != nil {
t.Errorf("Got error in executing call transaction, %v", err)
}
// if we do it again, we won't get an error, but the suicide
// shouldn't happen twice and the caller should lose fee
tx.Input.Sequence += 1
tx.Input.Signature = privAccounts[0].Sign(state.ChainID, tx)
if err := ExecTx(cache, tx, true, nil); err != nil {
t.Errorf("Got error in executing call transaction, %v", err)
}
// commit the block
cache.Sync()
// acc2 should receive the sent funds and the contracts balance
newAcc2 := state.GetAccount(acc2.Address)
newBalance := sendingAmount + refundedBalance + oldBalance
if newAcc2.Balance != newBalance {
t.Errorf("Unexpected newAcc2 balance. Expected %v, got %v",
newAcc2.Balance, newBalance)
}
newAcc1 = state.GetAccount(acc1.Address)
if newAcc1 != nil {
t.Errorf("Expected account to be removed")
}
}