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package batching
import (
"math/big"
"testing"
"github.com/ethereum-optimism/optimism/op-bindings/bindings"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/stretchr/testify/require"
)
func TestContractCall_ToCallArgs(t *testing.T) {
addr := common.Address{0xbd}
testAbi, err := bindings.ERC20MetaData.GetAbi()
require.NoError(t, err)
call := NewContractCall(testAbi, addr, "approve", common.Address{0xcc}, big.NewInt(1234444))
args, err := call.ToCallArgs()
require.NoError(t, err)
argMap, ok := args.(map[string]interface{})
require.True(t, ok)
require.Equal(t, argMap["from"], common.Address{})
require.Equal(t, argMap["to"], &addr)
expectedData, err := call.Pack()
require.NoError(t, err)
require.Equal(t, argMap["input"], hexutil.Bytes(expectedData))
require.NotContains(t, argMap, "value")
require.NotContains(t, argMap, "gas")
require.NotContains(t, argMap, "gasPrice")
}
func TestContractCall_Pack(t *testing.T) {
addr := common.Address{0xbd}
testAbi, err := bindings.ERC20MetaData.GetAbi()
require.NoError(t, err)
sender := common.Address{0xcc}
amount := big.NewInt(1234444)
call := NewContractCall(testAbi, addr, "approve", sender, amount)
actual, err := call.Pack()
require.NoError(t, err)
expected, err := testAbi.Pack("approve", sender, amount)
require.NoError(t, err)
require.Equal(t, actual, expected)
}
func TestContractCall_PackInvalid(t *testing.T) {
addr := common.Address{0xbd}
testAbi, err := bindings.ERC20MetaData.GetAbi()
require.NoError(t, err)
// Second arg should be a *big.Int so packing should fail
call := NewContractCall(testAbi, addr, "approve", common.Address{0xcc}, uint32(123))
_, err = call.Pack()
require.Error(t, err)
}
func TestContractCall_Unpack(t *testing.T) {
addr := common.Address{0xbd}
testAbi, err := bindings.ERC20MetaData.GetAbi()
require.NoError(t, err)
call := NewContractCall(testAbi, addr, "balanceOf", common.Address{0xcc})
outputs := testAbi.Methods["balanceOf"].Outputs
expected := big.NewInt(1234)
packed, err := outputs.Pack(expected)
require.NoError(t, err)
unpacked, err := call.Unpack(packed)
require.NoError(t, err)
require.Equal(t, unpacked.GetBigInt(0), expected)
}
func TestContractCall_UnpackInvalid(t *testing.T) {
addr := common.Address{0xbd}
testAbi, err := bindings.ERC20MetaData.GetAbi()
require.NoError(t, err)
call := NewContractCall(testAbi, addr, "balanceOf", common.Address{0xcc})
// Input data is the wrong format and won't unpack successfully
inputPacked, err := call.Pack()
require.NoError(t, err)
_, err = call.Unpack(inputPacked)
require.Error(t, err)
}
func TestCallResult_GetValues(t *testing.T) {
tests := []struct {
name string
getter func(result *CallResult, i int) interface{}
expected interface{}
}{
{
name: "GetUint8",
getter: func(result *CallResult, i int) interface{} {
return result.GetUint8(i)
},
expected: uint8(12),
},
{
name: "GetUint32",
getter: func(result *CallResult, i int) interface{} {
return result.GetUint32(i)
},
expected: uint32(12346),
},
{
name: "GetUint64",
getter: func(result *CallResult, i int) interface{} {
return result.GetUint64(i)
},
expected: uint64(12346),
},
{
name: "GetBool",
getter: func(result *CallResult, i int) interface{} {
return result.GetBool(i)
},
expected: true,
},
{
name: "GetAddress",
getter: func(result *CallResult, i int) interface{} {
return result.GetAddress(i)
},
expected: ([20]byte)(common.Address{0xaa, 0xbb, 0xcc}),
},
{
name: "GetHash",
getter: func(result *CallResult, i int) interface{} {
return result.GetHash(i)
},
expected: ([32]byte)(common.Hash{0xaa, 0xbb, 0xcc}),
},
{
name: "GetBigInt",
getter: func(result *CallResult, i int) interface{} {
return result.GetBigInt(i)
},
expected: big.NewInt(2398423),
},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
callResult := &CallResult{[]interface{}{nil, 0, "abc", test.expected, "xyz", 3, nil}}
actual := test.getter(callResult, 3)
require.EqualValues(t, test.expected, actual)
})
}
}