func TestSendPermission(t *testing.T) {
stateDB := dbm.GetDB("state")
genDoc := newBaseGenDoc(PermsAllFalse, PermsAllFalse)
genDoc.Accounts[0].Permissions.Base.Set(ptypes.Send, true) // give the 0 account permission
st := MakeGenesisState(stateDB, &genDoc)
blockCache := NewBlockCache(st)
// A single input, having the permission, should succeed
tx := types.NewSendTx()
if err := tx.AddInput(blockCache, user[0].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[1].Address, 5)
tx.SignInput(chainID, 0, user[0])
if err := ExecTx(blockCache, tx, true, nil); err != nil {
t.Fatal("Transaction failed", err)
}
// Two inputs, one with permission, one without, should fail
tx = types.NewSendTx()
if err := tx.AddInput(blockCache, user[0].PubKey, 5); err != nil {
t.Fatal(err)
}
if err := tx.AddInput(blockCache, user[1].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[2].Address, 10)
tx.SignInput(chainID, 0, user[0])
tx.SignInput(chainID, 1, user[1])
if err := ExecTx(blockCache, tx, true, nil); err == nil {
t.Fatal("Expected error")
} else {
fmt.Println(err)
}
}
func TestCreateAccountPermission(t *testing.T) {
stateDB := dbm.GetDB("state")
genDoc := newBaseGenDoc(PermsAllFalse, PermsAllFalse)
genDoc.Accounts[0].Permissions.Base.Set(ptypes.Send, true) // give the 0 account permission
genDoc.Accounts[1].Permissions.Base.Set(ptypes.Send, true) // give the 0 account permission
genDoc.Accounts[0].Permissions.Base.Set(ptypes.CreateAccount, true) // give the 0 account permission
st := MakeGenesisState(stateDB, &genDoc)
blockCache := NewBlockCache(st)
//----------------------------------------------------------
// SendTx to unknown account
// A single input, having the permission, should succeed
tx := types.NewSendTx()
if err := tx.AddInput(blockCache, user[0].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[6].Address, 5)
tx.SignInput(chainID, 0, user[0])
if err := ExecTx(blockCache, tx, true, nil); err != nil {
t.Fatal("Transaction failed", err)
}
// Two inputs, both with send, one with create, one without, should fail
tx = types.NewSendTx()
if err := tx.AddInput(blockCache, user[0].PubKey, 5); err != nil {
t.Fatal(err)
}
if err := tx.AddInput(blockCache, user[1].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[7].Address, 10)
tx.SignInput(chainID, 0, user[0])
tx.SignInput(chainID, 1, user[1])
if err := ExecTx(blockCache, tx, true, nil); err == nil {
t.Fatal("Expected error")
} else {
fmt.Println(err)
}
// Two inputs, both with send, one with create, one without, two ouputs (one known, one unknown) should fail
tx = types.NewSendTx()
if err := tx.AddInput(blockCache, user[0].PubKey, 5); err != nil {
t.Fatal(err)
}
if err := tx.AddInput(blockCache, user[1].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[7].Address, 4)
tx.AddOutput(user[4].Address, 6)
tx.SignInput(chainID, 0, user[0])
tx.SignInput(chainID, 1, user[1])
if err := ExecTx(blockCache, tx, true, nil); err == nil {
t.Fatal("Expected error")
} else {
fmt.Println(err)
}
// Two inputs, both with send, both with create, should pass
acc := blockCache.GetAccount(user[1].Address)
acc.Permissions.Base.Set(ptypes.CreateAccount, true)
blockCache.UpdateAccount(acc)
tx = types.NewSendTx()
if err := tx.AddInput(blockCache, user[0].PubKey, 5); err != nil {
t.Fatal(err)
}
if err := tx.AddInput(blockCache, user[1].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[7].Address, 10)
tx.SignInput(chainID, 0, user[0])
tx.SignInput(chainID, 1, user[1])
if err := ExecTx(blockCache, tx, true, nil); err != nil {
t.Fatal("Unexpected error", err)
}
// Two inputs, both with send, both with create, two outputs (one known, one unknown) should pass
tx = types.NewSendTx()
if err := tx.AddInput(blockCache, user[0].PubKey, 5); err != nil {
t.Fatal(err)
}
if err := tx.AddInput(blockCache, user[1].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[7].Address, 7)
tx.AddOutput(user[4].Address, 3)
tx.SignInput(chainID, 0, user[0])
tx.SignInput(chainID, 1, user[1])
if err := ExecTx(blockCache, tx, true, nil); err != nil {
t.Fatal("Unexpected error", err)
}
//----------------------------------------------------------
// CALL to unknown account
acc = blockCache.GetAccount(user[0].Address)
acc.Permissions.Base.Set(ptypes.Call, true)
blockCache.UpdateAccount(acc)
// call to contract that calls unknown account - without create_account perm
// create contract that calls the simple contract
contractCode := callContractCode(user[9].Address)
caller1ContractAddr := NewContractAddress(user[4].Address, 101)
caller1Acc := &acm.Account{
Address: caller1ContractAddr,
Balance: 0,
Code: contractCode,
Sequence: 0,
StorageRoot: Zero256.Bytes(),
Permissions: ptypes.ZeroAccountPermissions,
}
blockCache.UpdateAccount(caller1Acc)
// A single input, having the permission, but the contract doesn't have permission
txCall, _ := types.NewCallTx(blockCache, user[0].PubKey, caller1ContractAddr, nil, 100, 10000, 100)
txCall.Sign(chainID, user[0])
// we need to subscribe to the Call event to detect the exception
_, exception := execTxWaitEvent(t, blockCache, txCall, types.EventStringAccCall(caller1ContractAddr)) //
if exception == "" {
t.Fatal("Expected exception")
}
// NOTE: for a contract to be able to CreateAccount, it must be able to call
// NOTE: for a user to be able to CreateAccount, it must be able to send!
caller1Acc.Permissions.Base.Set(ptypes.CreateAccount, true)
caller1Acc.Permissions.Base.Set(ptypes.Call, true)
blockCache.UpdateAccount(caller1Acc)
// A single input, having the permission, but the contract doesn't have permission
txCall, _ = types.NewCallTx(blockCache, user[0].PubKey, caller1ContractAddr, nil, 100, 10000, 100)
txCall.Sign(chainID, user[0])
// we need to subscribe to the Call event to detect the exception
_, exception = execTxWaitEvent(t, blockCache, txCall, types.EventStringAccCall(caller1ContractAddr)) //
if exception != "" {
t.Fatal("Unexpected exception", exception)
}
}
func TestSendFails(t *testing.T) {
stateDB := dbm.GetDB("state")
genDoc := newBaseGenDoc(PermsAllFalse, PermsAllFalse)
genDoc.Accounts[1].Permissions.Base.Set(ptypes.Send, true)
genDoc.Accounts[2].Permissions.Base.Set(ptypes.Call, true)
genDoc.Accounts[3].Permissions.Base.Set(ptypes.CreateContract, true)
st := MakeGenesisState(stateDB, &genDoc)
blockCache := NewBlockCache(st)
//-------------------
// send txs
// simple send tx should fail
tx := types.NewSendTx()
if err := tx.AddInput(blockCache, user[0].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[1].Address, 5)
tx.SignInput(chainID, 0, user[0])
if err := ExecTx(blockCache, tx, true, nil); err == nil {
t.Fatal("Expected error")
} else {
fmt.Println(err)
}
// simple send tx with call perm should fail
tx = types.NewSendTx()
if err := tx.AddInput(blockCache, user[2].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[4].Address, 5)
tx.SignInput(chainID, 0, user[2])
if err := ExecTx(blockCache, tx, true, nil); err == nil {
t.Fatal("Expected error")
} else {
fmt.Println(err)
}
// simple send tx with create perm should fail
tx = types.NewSendTx()
if err := tx.AddInput(blockCache, user[3].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[4].Address, 5)
tx.SignInput(chainID, 0, user[3])
if err := ExecTx(blockCache, tx, true, nil); err == nil {
t.Fatal("Expected error")
} else {
fmt.Println(err)
}
// simple send tx to unknown account without create_account perm should fail
acc := blockCache.GetAccount(user[3].Address)
acc.Permissions.Base.Set(ptypes.Send, true)
blockCache.UpdateAccount(acc)
tx = types.NewSendTx()
if err := tx.AddInput(blockCache, user[3].PubKey, 5); err != nil {
t.Fatal(err)
}
tx.AddOutput(user[6].Address, 5)
tx.SignInput(chainID, 0, user[3])
if err := ExecTx(blockCache, tx, true, nil); err == nil {
t.Fatal("Expected error")
} else {
fmt.Println(err)
}
}