diff --git a/pkg/interop/native/gas/gas.go b/pkg/interop/native/gas/gas.go new file mode 100644 index 000000000..289dd148a --- /dev/null +++ b/pkg/interop/native/gas/gas.go @@ -0,0 +1,35 @@ +package gas + +import ( + "github.com/nspcc-dev/neo-go/pkg/interop" + "github.com/nspcc-dev/neo-go/pkg/interop/contract" +) + +// Hash represents GAS contract hash. +const Hash = "\x28\xb3\xad\xab\x72\x69\xf9\xc2\x18\x1d\xb3\xcb\x74\x1e\xbf\x55\x19\x30\xe2\x70" + +// Symbol represents `symbol` method of GAS native contract. +func Symbol() string { + return contract.Call(interop.Hash160(Hash), "symbol", contract.NoneFlag).(string) +} + +// Decimals represents `decimals` method of GAS native contract. +func Decimals() int { + return contract.Call(interop.Hash160(Hash), "decimals", contract.NoneFlag).(int) +} + +// TotalSupply represents `totalSupply` method of GAS native contract. +func TotalSupply() int { + return contract.Call(interop.Hash160(Hash), "totalSupply", contract.ReadStates).(int) +} + +// BalanceOf represents `balanceOf` method of GAS native contract. +func BalanceOf(addr interop.Hash160) int { + return contract.Call(interop.Hash160(Hash), "balanceOf", contract.ReadStates, addr).(int) +} + +// Transfer represents `transfer` method of GAS native contract. +func Transfer(from, to interop.Hash160, amount int, data interface{}) bool { + return contract.Call(interop.Hash160(Hash), "transfer", + contract.WriteStates|contract.AllowCall|contract.AllowNotify, from, to, amount, data).(bool) +}