neo-go/examples/token/token.go

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package tokencontract
import (
"github.com/nspcc-dev/neo-go/examples/token/nep17"
"github.com/nspcc-dev/neo-go/pkg/interop"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
const (
decimals = 8
multiplier = 100000000
)
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var (
owner = util.FromAddress("NbrUYaZgyhSkNoRo9ugRyEMdUZxrhkNaWB")
token nep17.Token
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ctx storage.Context
)
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// init initializes the Token Interface and storage context for the Smart
// Contract to operate with
func init() {
token = nep17.Token{
Name: "Awesome NEO Token",
Symbol: "ANT",
Decimals: decimals,
Owner: owner,
TotalSupply: 11000000 * multiplier,
CirculationKey: "TokenCirculation",
}
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ctx = storage.GetContext()
}
// Symbol returns the token symbol
func Symbol() string {
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return token.Symbol
}
// Decimals returns the token decimals
func Decimals() int {
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return token.Decimals
}
// TotalSupply returns the token total supply value
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func TotalSupply() int {
return token.GetSupply(ctx)
}
// BalanceOf returns the amount of token on the specified address
func BalanceOf(holder interop.Hash160) int {
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return token.BalanceOf(ctx, holder)
}
// Transfer token from one user to another
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func Transfer(from interop.Hash160, to interop.Hash160, amount int, data interface{}) bool {
return token.Transfer(ctx, from, to, amount, data)
}
// Mint initial supply of tokens
func Mint(to interop.Hash160) bool {
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return token.Mint(ctx, to)
}