package testdata import ( "github.com/nspcc-dev/neo-go/pkg/interop" "github.com/nspcc-dev/neo-go/pkg/interop/contract" "github.com/nspcc-dev/neo-go/pkg/interop/native/management" "github.com/nspcc-dev/neo-go/pkg/interop/runtime" "github.com/nspcc-dev/neo-go/pkg/interop/storage" ) const ( totalSupply = 1000000 decimals = 2 ) func Init() bool { ctx := storage.GetContext() h := runtime.GetExecutingScriptHash() amount := totalSupply storage.Put(ctx, h, amount) runtime.Notify("Transfer", []byte{}, h, amount) return true } func Transfer(from, to interop.Hash160, amount int, data interface{}) bool { ctx := storage.GetContext() if len(from) != 20 { runtime.Log("invalid 'from' address") return false } if len(to) != 20 { runtime.Log("invalid 'to' address") return false } if amount < 0 { runtime.Log("invalid amount") return false } var fromBalance int val := storage.Get(ctx, from) if val != nil { fromBalance = val.(int) } if fromBalance < amount { runtime.Log("insufficient funds") return false } fromBalance -= amount storage.Put(ctx, from, fromBalance) var toBalance int val = storage.Get(ctx, to) if val != nil { toBalance = val.(int) } toBalance += amount storage.Put(ctx, to, toBalance) runtime.Notify("Transfer", from, to, amount) if management.GetContract(to) != nil { contract.Call(to, "onNEP17Payment", contract.All, from, amount, data) } return true } func BalanceOf(account interop.Hash160) int { ctx := storage.GetContext() if len(account) != 20 { panic("invalid address") } var amount int val := storage.Get(ctx, account) if val != nil { amount = val.(int) } return amount } func Symbol() string { return "RUB" } func Decimals() int { return decimals } func TotalSupply() int { return totalSupply } func PutValue(key []byte, value []byte) bool { ctx := storage.GetContext() storage.Put(ctx, key, value) return true }