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esdtSimpleSC.go
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/
esdtSimpleSC.go
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package contracts
import (
"fmt"
"math/big"
vmcommon "github.com/multiversx/mx-chain-vm-common-go"
"github.com/multiversx/mx-chain-vm-common-go/txDataBuilder"
mock "github.com/multiversx/mx-chain-vm-v1_4-go/mock/context"
test "github.com/multiversx/mx-chain-vm-v1_4-go/testcommon"
"github.com/multiversx/mx-chain-vm-v1_4-go/vmhost/vmhooks"
)
// ExecESDTTransferAndCallChild is an exposed mock contract method
func ExecESDTTransferAndCallChild(instanceMock *mock.InstanceMock, config interface{}) {
testConfig := config.(DirectCallGasTestConfig)
instanceMock.AddMockMethod("execESDTTransferAndCall", func() *mock.InstanceMock {
host := instanceMock.Host
instance := mock.GetMockInstance(host)
host.Metering().UseGas(testConfig.GasUsedByParent)
arguments := host.Runtime().Arguments()
if len(arguments) != 3 {
host.Runtime().SignalUserError("need 3 arguments")
return instance
}
input := test.DefaultTestContractCallInput()
input.CallerAddr = host.Runtime().GetContextAddress()
input.GasProvided = testConfig.GasProvidedToChild
input.Arguments = [][]byte{
test.ESDTTestTokenName,
big.NewInt(int64(testConfig.ESDTTokensToTransfer)).Bytes(),
arguments[2],
}
input.RecipientAddr = arguments[0]
input.Function = string(arguments[1])
returnValue := ExecuteOnDestContextInMockContracts(host, input)
if returnValue != 0 {
host.Runtime().FailExecution(fmt.Errorf("return value %d", returnValue))
}
return instance
})
}
// ExecESDTTransferWithAPICall is an exposed mock contract method
func ExecESDTTransferWithAPICall(instanceMock *mock.InstanceMock, config interface{}) {
testConfig := config.(DirectCallGasTestConfig)
instanceMock.AddMockMethod("execESDTTransferWithAPICall", func() *mock.InstanceMock {
host := instanceMock.Host
instance := mock.GetMockInstance(host)
host.Metering().UseGas(testConfig.GasUsedByParent)
arguments := host.Runtime().Arguments()
if len(arguments) != 3 {
host.Runtime().SignalUserError("need 3 arguments")
return instance
}
input := test.DefaultTestContractCallInput()
input.CallerAddr = host.Runtime().GetContextAddress()
input.GasProvided = testConfig.GasProvidedToChild
input.Arguments = [][]byte{
test.ESDTTestTokenName,
big.NewInt(int64(testConfig.ESDTTokensToTransfer)).Bytes(),
arguments[2],
}
input.RecipientAddr = arguments[0]
functionName := arguments[1]
args := [][]byte{arguments[2]}
transfer := &vmcommon.ESDTTransfer{
ESDTValue: big.NewInt(int64(testConfig.ESDTTokensToTransfer)),
ESDTTokenName: test.ESDTTestTokenName,
ESDTTokenType: 0,
ESDTTokenNonce: 0,
}
vmhooks.TransferESDTNFTExecuteWithTypedArgs(
host,
input.RecipientAddr,
[]*vmcommon.ESDTTransfer{transfer},
int64(testConfig.GasProvidedToChild),
functionName,
args)
return instance
})
}
// ExecESDTTransferAndAsyncCallChild is an exposed mock contract method
func ExecESDTTransferAndAsyncCallChild(instanceMock *mock.InstanceMock, config interface{}) {
testConfig := config.(*AsyncCallTestConfig)
instanceMock.AddMockMethod("execESDTTransferAndAsyncCall", func() *mock.InstanceMock {
host := instanceMock.Host
instance := mock.GetMockInstance(host)
host.Metering().UseGas(testConfig.GasUsedByParent)
arguments := host.Runtime().Arguments()
if len(arguments) != 3 {
host.Runtime().SignalUserError("need 3 arguments")
return instance
}
functionToCallOnChild := arguments[2]
receiver := arguments[0]
builtInFunction := arguments[1]
callData := txDataBuilder.NewBuilder()
// function to be called on child
callData.Func(string(builtInFunction))
callData.Bytes(test.ESDTTestTokenName)
callData.Bytes(big.NewInt(int64(testConfig.ESDTTokensToTransfer)).Bytes())
callData.Bytes(functionToCallOnChild)
value := big.NewInt(0).Bytes()
err := host.Runtime().ExecuteAsyncCall(receiver, callData.ToBytes(), value)
if err != nil {
host.Runtime().FailExecution(err)
}
return instance
})
}
// ExecESDTTransferInAsyncCall is an exposed mock contract method
func ExecESDTTransferInAsyncCall(instanceMock *mock.InstanceMock, config interface{}) {
testConfig := config.(*AsyncCallTestConfig)
instanceMock.AddMockMethod("esdtTransferInAsyncCall", func() *mock.InstanceMock {
host := instanceMock.Host
instance := mock.GetMockInstance(host)
host.Metering().UseGas(testConfig.GasUsedByParent)
arguments := host.Runtime().Arguments()
if len(arguments) != 1 {
host.Runtime().SignalUserError("need 1 arguments")
return instance
}
receiver := arguments[0]
callData := txDataBuilder.NewBuilder()
callData.Func("ESDTTransfer")
callData.Bytes(test.ESDTTestTokenName)
callData.Bytes(big.NewInt(int64(testConfig.ESDTTokensToTransfer)).Bytes())
value := big.NewInt(0).Bytes()
err := host.Runtime().ExecuteAsyncCall(receiver, callData.ToBytes(), value)
if err != nil {
host.Runtime().FailExecution(err)
return instance
}
return instance
})
}
// EvilCallback is an exposed mock contract method
func EvilCallback(instanceMock *mock.InstanceMock, _ interface{}) {
// testConfig := config.(*AsyncCallTestConfig)
instanceMock.AddMockMethod("callBack", func() *mock.InstanceMock {
host := instanceMock.Host
instance := mock.GetMockInstance(host)
retVal := vmhooks.ExecuteOnDestContextByCallerWithTypedArgs(
host,
int64(host.Metering().GasLeft()),
big.NewInt(0),
[]byte("wasteGas"),
test.ChildAddress, // owned by UserAddress2 (the CallserAddr of this callback)
[][]byte{},
)
if retVal != 0 {
host.Runtime().SignalUserError("execution by caller failed")
return instance
}
return instance
})
}