package rpcclient import ( "fmt" "github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/wallet" ) // nepDecimals invokes `decimals` NEP* method on the specified contract. func (c *Client) nepDecimals(tokenHash util.Uint160) (int64, error) { return unwrap.Int64(c.reader.Call(tokenHash, "decimals")) } // nepSymbol invokes `symbol` NEP* method on the specified contract. func (c *Client) nepSymbol(tokenHash util.Uint160) (string, error) { return unwrap.PrintableASCIIString(c.reader.Call(tokenHash, "symbol")) } // nepTotalSupply invokes `totalSupply` NEP* method on the specified contract. func (c *Client) nepTotalSupply(tokenHash util.Uint160) (int64, error) { return unwrap.Int64(c.reader.Call(tokenHash, "totalSupply")) } // nepBalanceOf invokes `balanceOf` NEP* method on the specified contract. func (c *Client) nepBalanceOf(tokenHash, acc util.Uint160, tokenID []byte) (int64, error) { params := []any{acc} if tokenID != nil { params = append(params, tokenID) } return unwrap.Int64(c.reader.Call(tokenHash, "balanceOf", params...)) } // nepTokenInfo returns full NEP* token info. func (c *Client) nepTokenInfo(tokenHash util.Uint160, standard string) (*wallet.Token, error) { cs, err := c.GetContractStateByHash(tokenHash) if err != nil { return nil, err } var isStandardOK bool for _, st := range cs.Manifest.SupportedStandards { if st == standard { isStandardOK = true break } } if !isStandardOK { return nil, fmt.Errorf("token %s does not support %s standard", tokenHash.StringLE(), standard) } symbol, err := c.nepSymbol(tokenHash) if err != nil { return nil, err } decimals, err := c.nepDecimals(tokenHash) if err != nil { return nil, err } return wallet.NewToken(tokenHash, cs.Manifest.Name, symbol, decimals, standard), nil }