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Copy pathprogram_params_validation_test.go
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program_params_validation_test.go
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/*
* Cadence - The resource-oriented smart contract programming language
*
* Copyright Flow Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package tests
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/onflow/cadence"
"github.com/onflow/cadence/common"
"github.com/onflow/cadence/encoding/json"
. "github.com/onflow/cadence/runtime"
"github.com/onflow/cadence/sema"
"github.com/onflow/cadence/tests/checker"
. "github.com/onflow/cadence/tests/runtime_utils"
. "github.com/onflow/cadence/tests/utils"
)
func TestRuntimeScriptParameterTypeValidation(t *testing.T) {
t.Parallel()
expectNonImportableError := func(t *testing.T, err error) {
RequireError(t, err)
require.IsType(t, Error{}, err)
runtimeErr := err.(Error)
assert.IsType(t, &ScriptParameterTypeNotImportableError{}, runtimeErr.Err)
}
expectRuntimeError := func(t *testing.T, err error, expectedError error) {
RequireError(t, err)
require.IsType(t, Error{}, err)
runtimeErr := err.(Error)
assert.IsType(t, expectedError, runtimeErr.Err)
}
newFooStruct := func() cadence.Struct {
return cadence.NewStruct([]cadence.Value{}).
WithType(cadence.NewStructType(
common.ScriptLocation{},
"Foo",
[]cadence.Field{},
nil,
))
}
newPublicAccountKeys := func() cadence.Struct {
return cadence.NewStruct([]cadence.Value{}).
WithType(cadence.NewStructType(
nil,
"Account.Keys",
[]cadence.Field{},
nil,
))
}
executeScript := func(t *testing.T, script string, arg cadence.Value) (err error) {
var encodedArg []byte
encodedArg, err = json.Encode(arg)
require.NoError(t, err)
rt := NewTestInterpreterRuntime()
storage := NewTestLedger(nil, nil)
runtimeInterface := &TestRuntimeInterface{
Storage: storage,
OnDecodeArgument: func(b []byte, t cadence.Type) (value cadence.Value, err error) {
return json.Decode(nil, b)
},
}
addPublicKeyValidation(runtimeInterface, nil)
_, err = rt.ExecuteScript(
Script{
Source: []byte(script),
Arguments: [][]byte{encodedArg},
},
Context{
Interface: runtimeInterface,
Location: common.ScriptLocation{},
},
)
return err
}
t.Run("Struct", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: Foo) {}
access(all)
struct Foo {}
`
err := executeScript(t, script, newFooStruct())
assert.NoError(t, err)
})
t.Run("Non-Importable Struct", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: Foo?) {}
access(all)
struct Foo {
access(all)
var funcTypedField: fun(): Void
init() {
self.funcTypedField = fun() {}
}
}
`
err := executeScript(t, script, cadence.NewOptional(nil))
expectNonImportableError(t, err)
})
t.Run("AnyStruct", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: AnyStruct?) {}
`
err := executeScript(t, script, cadence.NewOptional(nil))
assert.NoError(t, err)
})
t.Run("Interface", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: {Bar}) {}
access(all)
struct Foo: Bar {}
access(all)
struct interface Bar {}
`
err := executeScript(t, script, newFooStruct())
assert.NoError(t, err)
})
t.Run("Non-Importable Interface", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: {Bar}?) {}
access(all)
struct interface Bar {
access(all)
var funcTypedField: fun(): Void
}
`
err := executeScript(t, script, cadence.NewOptional(nil))
expectNonImportableError(t, err)
})
t.Run("Resource", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: @Baz?) {
destroy arg
}
access(all)
resource Baz {}
`
err := executeScript(t, script, cadence.NewOptional(nil))
expectNonImportableError(t, err)
})
t.Run("AnyResource", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: @AnyResource?) {
destroy arg
}
`
err := executeScript(t, script, cadence.NewOptional(nil))
expectNonImportableError(t, err)
})
t.Run("Contract", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: Foo?) {}
access(all)
contract Foo {}
`
err := executeScript(t, script, cadence.NewOptional(nil))
expectNonImportableError(t, err)
})
t.Run("Array", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: [String]) {}
`
err := executeScript(
t,
script,
cadence.NewArray([]cadence.Value{}),
)
assert.NoError(t, err)
})
t.Run("Non-Importable Array", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: [fun(): Void]) {}
`
err := executeScript(
t,
script,
cadence.NewArray([]cadence.Value{}),
)
expectNonImportableError(t, err)
})
t.Run("Dictionary", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: {String: Bool}) {}
`
err := executeScript(
t,
script,
cadence.NewDictionary([]cadence.KeyValuePair{}),
)
assert.NoError(t, err)
})
t.Run("InclusiveRange<Int16>", func(t *testing.T) {
t.Parallel()
script := `
access(all) fun main(arg: InclusiveRange<Int16>) {
}
`
err := executeScript(
t,
script,
cadence.NewInclusiveRange(cadence.NewInt16(1), cadence.NewInt16(2), cadence.NewInt16(1)),
)
assert.NoError(t, err)
})
t.Run("InclusiveRange<UInt16> as AnyStruct", func(t *testing.T) {
t.Parallel()
script := `
access(all) fun main(arg: AnyStruct) {
}
`
err := executeScript(
t,
script,
cadence.NewInclusiveRange(
cadence.NewUInt16(1),
cadence.NewUInt16(2),
cadence.NewUInt16(1),
),
)
assert.NoError(t, err)
})
t.Run("Invalid InclusiveRange<Integer>", func(t *testing.T) {
t.Parallel()
script := `
access(all) fun main(arg: InclusiveRange<Integer>) {
}
`
err := executeScript(
t,
script,
cadence.NewInclusiveRange(cadence.NewInt16(1), cadence.NewInt16(2), cadence.NewInt16(1)),
)
var checkerError *sema.CheckerError
require.ErrorAs(t, err, &checkerError)
errs := checker.RequireCheckerErrors(t, checkerError, 1)
assert.IsType(t, &sema.InvalidTypeArgumentError{}, errs[0])
})
t.Run("Invalid InclusiveRange<Int16> with mixed value types", func(t *testing.T) {
t.Parallel()
script := `
access(all) fun main(arg: InclusiveRange<Int16>) {
}
`
err := executeScript(
t,
script,
cadence.NewInclusiveRange(cadence.NewInt16(1), cadence.NewUInt(2), cadence.NewUInt(1)),
)
var entryPointErr *InvalidEntryPointArgumentError
require.ErrorAs(t, err, &entryPointErr)
})
t.Run("Invalid InclusiveRange<Integer> with mixed value types", func(t *testing.T) {
t.Parallel()
script := `
access(all) fun main(arg: InclusiveRange<Integer>) {
}
`
err := executeScript(
t,
script,
cadence.NewInclusiveRange(cadence.NewInt16(1), cadence.NewUInt(2), cadence.NewUInt(1)),
)
var checkerError *sema.CheckerError
require.ErrorAs(t, err, &checkerError)
errs := checker.RequireCheckerErrors(t, checkerError, 1)
assert.IsType(t, &sema.InvalidTypeArgumentError{}, errs[0])
})
t.Run("Capability", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: Capability<&Int>?) {}
`
err := executeScript(t, script, cadence.NewOptional(nil))
assert.NoError(t, err)
})
t.Run("Non-Importable Dictionary", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: {String: fun(): Void}) {}
`
err := executeScript(
t,
script,
cadence.NewArray([]cadence.Value{}),
)
expectNonImportableError(t, err)
})
t.Run("Numeric Types", func(t *testing.T) {
t.Parallel()
for _, typ := range sema.AllNumberTypes {
typString := typ.QualifiedString()
t.Run(typString, func(t *testing.T) {
t.Parallel()
script := fmt.Sprintf(
`
access(all)
fun main(arg: %s?) {}
`,
typString,
)
err := executeScript(t, script, cadence.NewOptional(nil))
assert.NoError(t, err)
})
}
})
t.Run("Native composites", func(t *testing.T) {
t.Parallel()
type argumentPassingTest struct {
argument cadence.Value
label string
typeSignature string
expectErrors bool
}
var argumentPassingTests []*argumentPassingTest
for typeName, typ := range sema.NativeCompositeTypes {
var value cadence.Value
expectErrors := false
switch typ {
case sema.HashAlgorithmType:
value = cadence.NewEnum(
[]cadence.Value{
cadence.NewUInt8(1),
},
).WithType(HashAlgoType)
case sema.SignatureAlgorithmType:
value = cadence.NewEnum(
[]cadence.Value{
cadence.NewUInt8(1),
},
).WithType(SignAlgoType)
case sema.PublicKeyType:
value = cadence.NewStruct(
[]cadence.Value{
// PublicKey bytes
cadence.NewArray([]cadence.Value{}),
// Sign algorithm
cadence.NewEnum(
[]cadence.Value{
cadence.NewUInt8(1),
},
).WithType(SignAlgoType),
},
).WithType(PublicKeyType)
default:
// This test case only focuses on the type,
// and has no interest in the value.
value = nil
expectErrors = true
}
testCase := &argumentPassingTest{
label: typeName,
typeSignature: typeName + "?",
argument: cadence.NewOptional(value),
expectErrors: expectErrors,
}
argumentPassingTests = append(argumentPassingTests, testCase)
}
testArgumentPassing := func(test *argumentPassingTest) {
t.Run(test.label, func(t *testing.T) {
t.Parallel()
script := fmt.Sprintf(`
access(all) fun main(arg: %s) {
}`,
test.typeSignature,
)
err := executeScript(t, script, test.argument)
if test.expectErrors {
expectNonImportableError(t, err)
} else {
assert.NoError(t, err)
}
})
}
for _, testCase := range argumentPassingTests {
testArgumentPassing(testCase)
}
})
t.Run("Invalid struct as AnyStruct", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: AnyStruct?) {}
access(all)
struct Foo {
access(all)
var nonImportableField: Account.Keys?
init() {
self.nonImportableField = nil
}
}
`
err := executeScript(t, script, newFooStruct())
expectRuntimeError(t, err, &ArgumentNotImportableError{})
})
t.Run("Invalid struct as valid interface", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: {Bar}?) {}
access(all)
struct Foo: Bar {
access(all)
var nonImportableField: Account.Keys?
init() {
self.nonImportableField = nil
}
}
access(all)
struct interface Bar {}
`
err := executeScript(t, script, newFooStruct())
expectRuntimeError(t, err, &ArgumentNotImportableError{})
})
t.Run("Invalid native struct as AnyStruct", func(t *testing.T) {
t.Parallel()
script := `
access(all) fun main(arg: AnyStruct) {
}
`
err := executeScript(t, script, newPublicAccountKeys())
RequireError(t, err)
assert.Contains(t, err.Error(), "cannot import value of type Account.Keys")
})
t.Run("Invalid struct in array", func(t *testing.T) {
t.Parallel()
script := `
access(all)
fun main(arg: [AnyStruct]) {}
`
err := executeScript(
t,
script,
cadence.NewArray([]cadence.Value{
newPublicAccountKeys(),
}),
)
RequireError(t, err)
assert.Contains(t, err.Error(), "cannot import value of type Account.Keys")
})
t.Run("invalid HashAlgorithm", func(t *testing.T) {
t.Parallel()
err := executeScript(t,
`
access(all)
fun main(arg: HashAlgorithm) {}
`,
cadence.NewEnum(
[]cadence.Value{
cadence.NewUInt8(0),
},
).WithType(HashAlgoType),
)
RequireError(t, err)
var entryPointErr *InvalidEntryPointArgumentError
require.ErrorAs(t, err, &entryPointErr)
})
t.Run("invalid SignatureAlgorithm", func(t *testing.T) {
t.Parallel()
err := executeScript(t,
`
access(all)
fun main(arg: SignatureAlgorithm) {}
`,
cadence.NewEnum(
[]cadence.Value{
cadence.NewUInt8(0),
},
).WithType(SignAlgoType),
)
RequireError(t, err)
var entryPointErr *InvalidEntryPointArgumentError
require.ErrorAs(t, err, &entryPointErr)
})
}
func TestRuntimeTransactionParameterTypeValidation(t *testing.T) {
t.Parallel()
expectRuntimeError := func(t *testing.T, err error, expectedError error) {
RequireError(t, err)
require.IsType(t, Error{}, err)
runtimeErr := err.(Error)
assert.IsType(t, expectedError, runtimeErr.Err)
}
newFooStruct := func() cadence.Struct {
return cadence.NewStruct([]cadence.Value{}).
WithType(cadence.NewStructType(
common.AddressLocation{
Address: common.MustBytesToAddress([]byte{0x1}),
Name: "C",
},
"C.Foo",
[]cadence.Field{},
nil,
))
}
newPublicAccountKeys := func() cadence.Struct {
return cadence.NewStruct([]cadence.Value{}).
WithType(cadence.NewStructType(
nil,
"Account.Keys",
[]cadence.Field{},
nil,
))
}
executeTransaction := func(
t *testing.T,
script string,
contracts map[common.AddressLocation][]byte,
arg cadence.Value,
) (err error) {
var encodedArg []byte
encodedArg, err = json.Encode(arg)
require.NoError(t, err)
rt := NewTestInterpreterRuntime()
storage := NewTestLedger(nil, nil)
authorizers := []Address{{0, 0, 0, 0, 0, 0, 0, 1}}
accountCodes := map[Location][]byte{}
runtimeInterface := &TestRuntimeInterface{
Storage: storage,
OnResolveLocation: NewSingleIdentifierLocationResolver(t),
OnUpdateAccountContractCode: func(location common.AddressLocation, code []byte) error {
accountCodes[location] = code
return nil
},
OnGetAccountContractCode: func(location common.AddressLocation) (code []byte, err error) {
return accountCodes[location], nil
},
OnDecodeArgument: func(b []byte, t cadence.Type) (value cadence.Value, err error) {
return json.Decode(nil, b)
},
OnEmitEvent: func(event cadence.Event) error {
return nil
},
OnGetSigningAccounts: func() ([]Address, error) {
return authorizers, nil
},
}
addPublicKeyValidation(runtimeInterface, nil)
transactionLocation := NewTransactionLocationGenerator()
for location, contract := range contracts {
deploy := DeploymentTransaction(location.Name, contract)
err := rt.ExecuteTransaction(
Script{
Source: deploy,
},
Context{
Interface: runtimeInterface,
Location: transactionLocation(),
},
)
require.NoError(t, err)
}
authorizers = nil
return rt.ExecuteTransaction(
Script{
Source: []byte(script),
Arguments: [][]byte{encodedArg},
},
Context{
Interface: runtimeInterface,
Location: transactionLocation(),
},
)
}
t.Run("Struct", func(t *testing.T) {
t.Parallel()
contracts := map[common.AddressLocation][]byte{
{
Address: common.MustBytesToAddress([]byte{0x1}),
Name: "C",
}: []byte(`
access(all) contract C {
access(all) struct Foo {}
}
`),
}
script := `
import C from 0x1
transaction(arg: C.Foo) {}
`
err := executeTransaction(t, script, contracts, newFooStruct())
assert.NoError(t, err)
})
t.Run("Non-Importable Struct", func(t *testing.T) {
t.Parallel()
contracts := map[common.AddressLocation][]byte{
{
Address: common.MustBytesToAddress([]byte{0x1}),
Name: "C",
}: []byte(`
access(all) contract C {
access(all) struct Foo {
access(all) var funcTypedField: fun (): Void
init() {
self.funcTypedField = fun () {}
}
}
}
`),
}
script := `
import C from 0x1
transaction(arg: C.Foo?) {}
`
err := executeTransaction(t, script, contracts, cadence.NewOptional(nil))
errs := checker.RequireCheckerErrors(t, err, 1)
require.IsType(t, &sema.InvalidNonImportableTransactionParameterTypeError{}, errs[0])
})
t.Run("AnyStruct", func(t *testing.T) {
t.Parallel()
script := `
transaction(arg: AnyStruct?) {}
`
err := executeTransaction(t, script, nil, cadence.NewOptional(nil))
assert.NoError(t, err)
})
t.Run("Interface", func(t *testing.T) {
t.Parallel()
contracts := map[common.AddressLocation][]byte{
{
Address: common.MustBytesToAddress([]byte{0x1}),
Name: "C",
}: []byte(`
access(all) contract C {
access(all) struct Foo: Bar {}
access(all) struct interface Bar {}
}
`),
}
script := `
import C from 0x1
transaction(arg: {C.Bar}) {}
`
err := executeTransaction(t, script, contracts, newFooStruct())
assert.NoError(t, err)
})
t.Run("Non-Importable Interface", func(t *testing.T) {
t.Parallel()
contracts := map[common.AddressLocation][]byte{
{
Address: common.MustBytesToAddress([]byte{0x1}),
Name: "C",
}: []byte(`
access(all) contract C {
access(all) struct interface Bar {
access(all) var funcTypedField: fun (): Void
}
}
`),
}
script := `
import C from 0x1
transaction(arg: {C.Bar}?) {}
`
err := executeTransaction(t, script, contracts, cadence.NewOptional(nil))
errs := checker.RequireCheckerErrors(t, err, 1)
require.IsType(t, &sema.InvalidNonImportableTransactionParameterTypeError{}, errs[0])
})
t.Run("Resource", func(t *testing.T) {
t.Parallel()
contracts := map[common.AddressLocation][]byte{
{
Address: common.MustBytesToAddress([]byte{0x1}),
Name: "C",
}: []byte(`
access(all) contract C {
access(all) resource Baz {}
}
`),
}
script := `
import C from 0x1
transaction(arg: @C.Baz?) {}
`
err := executeTransaction(t, script, contracts, cadence.NewOptional(nil))
errs := checker.RequireCheckerErrors(t, err, 2)
require.IsType(t, &sema.InvalidNonImportableTransactionParameterTypeError{}, errs[0])
require.IsType(t, &sema.ResourceLossError{}, errs[1])
})
t.Run("AnyResource", func(t *testing.T) {
t.Parallel()
script := `
transaction(arg: @AnyResource?) {}
`
err := executeTransaction(t, script, nil, cadence.NewOptional(nil))
errs := checker.RequireCheckerErrors(t, err, 2)
require.IsType(t, &sema.InvalidNonImportableTransactionParameterTypeError{}, errs[0])
require.IsType(t, &sema.ResourceLossError{}, errs[1])
})
t.Run("Contract", func(t *testing.T) {
t.Parallel()
contracts := map[common.AddressLocation][]byte{
{
Address: common.MustBytesToAddress([]byte{0x1}),
Name: "C",
}: []byte(`
access(all) contract C {}
`),
}
script := `
import C from 0x1
transaction(arg: C?) {}
`
err := executeTransaction(t, script, contracts, cadence.NewOptional(nil))
errs := checker.RequireCheckerErrors(t, err, 1)
require.IsType(t, &sema.InvalidNonImportableTransactionParameterTypeError{}, errs[0])
})
t.Run("Array", func(t *testing.T) {
t.Parallel()
script := `
transaction(arg: [String]) {}
`
err := executeTransaction(t, script, nil, cadence.NewArray([]cadence.Value{}))
assert.NoError(t, err)
})
t.Run("Non-Importable Array", func(t *testing.T) {
t.Parallel()
script := `
transaction(arg: [fun(): Void]) {}
`
err := executeTransaction(t, script, nil, cadence.NewArray([]cadence.Value{}))
errs := checker.RequireCheckerErrors(t, err, 1)
require.IsType(t, &sema.InvalidNonImportableTransactionParameterTypeError{}, errs[0])
})
t.Run("Dictionary", func(t *testing.T) {
t.Parallel()
script := `
transaction(arg: {String: Bool}) {}
`
err := executeTransaction(t, script, nil, cadence.NewDictionary([]cadence.KeyValuePair{}))
assert.NoError(t, err)
})
t.Run("Capability", func(t *testing.T) {
t.Parallel()
script := `
transaction(arg: Capability<&Int>?) {}
`
err := executeTransaction(t, script, nil, cadence.NewOptional(nil))
assert.NoError(t, err)
})
t.Run("Non-Importable Dictionary", func(t *testing.T) {
t.Parallel()