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*: support invoking methods by offset

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Allow to invoke methods by offset:
1. Every invoked contract must have manifest.
2. Check arguments count on invocation.
3. Change AppCall to a regular syscall.
4. Add test suite for `System.Contract.Call`.
This commit is contained in:
Evgenii Stratonikov 2020-07-23 18:13:02 +03:00
parent e87eba51f9
commit d2ddf7b7cb
14 changed files with 272 additions and 117 deletions
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29
pkg/compiler/interop_test.go
View file

@ -74,17 +74,25 @@ func TestAppCall(t *testing.T) {
srcInner := `
package foo
func Main(a []byte, b []byte) []byte {
panic("Main was called")
}
func Append(a []byte, b []byte) []byte {
return append(a, b...)
}
`
inner, err := compiler.Compile(strings.NewReader(srcInner))
inner, di, err := compiler.CompileWithDebugInfo(strings.NewReader(srcInner))
require.NoError(t, err)
m, err := di.ConvertToManifest(smartcontract.NoProperties)
require.NoError(t, err)
ic := interop.NewContext(trigger.Application, nil, dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet), nil, nil, nil, zaptest.NewLogger(t))
require.NoError(t, ic.DAO.PutContractState(&state.Contract{Script: inner}))
ih := hash.Hash160(inner)
ic := interop.NewContext(trigger.Application, nil, dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet), nil, nil, nil, zaptest.NewLogger(t))
require.NoError(t, ic.DAO.PutContractState(&state.Contract{
Script: inner,
Manifest: *m,
}))
t.Run("valid script", func(t *testing.T) {
src := getAppCallScript(fmt.Sprintf("%#v", ih.BytesBE()))
v := spawnVM(t, ic, src)
@ -102,13 +110,6 @@ func TestAppCall(t *testing.T) {
require.Error(t, v.Run())
})
t.Run("invalid script address", func(t *testing.T) {
src := getAppCallScript("[]byte{1, 2, 3}")
_, err := compiler.Compile(strings.NewReader(src))
require.Error(t, err)
})
t.Run("convert from string constant", func(t *testing.T) {
src := `
package foo
@ -117,7 +118,7 @@ func TestAppCall(t *testing.T) {
func Main() []byte {
x := []byte{1, 2}
y := []byte{3, 4}
result := engine.AppCall([]byte(scriptHash), x, y)
result := engine.AppCall([]byte(scriptHash), "append", x, y)
return result.([]byte)
}
`
@ -136,7 +137,7 @@ func TestAppCall(t *testing.T) {
x := []byte{1, 2}
y := []byte{3, 4}
var addr = []byte(` + fmt.Sprintf("%#v", string(ih.BytesBE())) + `)
result := engine.AppCall(addr, x, y)
result := engine.AppCall(addr, "append", x, y)
return result.([]byte)
}
`
@ -155,7 +156,7 @@ func getAppCallScript(h string) string {
func Main() []byte {
x := []byte{1, 2}
y := []byte{3, 4}
result := engine.AppCall(` + h + `, x, y)
result := engine.AppCall(` + h + `, "append", x, y)
return result.([]byte)
}
`