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https://github.com/nspcc-dev/neo-go.git
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a1e3655560
neo-storm has developed more wrappers for syscall APIs, so they can and should be used as a drop-in replacement for pkg/vm/api. Moving it out of vm, as it's not exactly related to the VM itself.
70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
package token_contract
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import (
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"github.com/CityOfZion/neo-go/examples/token/nep5"
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"github.com/CityOfZion/neo-go/pkg/interop/storage"
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"github.com/CityOfZion/neo-go/pkg/interop/util"
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)
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const (
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decimals = 8
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multiplier = 100000000
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)
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var owner = util.FromAddress("AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y")
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// CreateToken initializes the Token Interface for the Smart Contract to operate with
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func CreateToken() nep5.Token {
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return nep5.Token{
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Name: "Awesome NEO Token",
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Symbol: "ANT",
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Decimals: decimals,
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Owner: owner,
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TotalSupply: 11000000 * multiplier,
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CirculationKey: "TokenCirculation",
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}
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}
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// Main function = contract entry
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func Main(operation string, args []interface{}) interface{} {
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token := CreateToken()
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if operation == "name" {
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return token.Name
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}
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if operation == "symbol" {
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return token.Symbol
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}
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if operation == "decimals" {
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return token.Decimals
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}
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// The following operations need ctx
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ctx := storage.GetContext()
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if operation == "totalSupply" {
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return token.GetSupply(ctx)
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}
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if operation == "balanceOf" {
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hodler := args[0].([]byte)
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return token.BalanceOf(ctx, hodler)
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}
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if operation == "transfer" && CheckArgs(args, 3) {
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from := args[0].([]byte)
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to := args[1].([]byte)
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amount := args[2].(int)
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return token.Transfer(ctx, from, to, amount)
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}
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return true
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}
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// CheckArgs checks args array against a length indicator
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func CheckArgs(args []interface{}, length int) bool {
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if len(args) == length {
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return true
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}
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return false
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}
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