cic-dw/pkg/cicnet/erc20_demurrage_token.go
Mohammed Sohail e6651fc911
add: cicnet package
- query cicnet contracts
2022-04-29 11:09:25 +03:00

40 lines
897 B
Go

package cicnet
import (
"context"
"github.com/ethereum/go-ethereum/common"
"github.com/lmittmann/w3"
"github.com/lmittmann/w3/module/eth"
"math/big"
)
type DemurrageToken struct {
Name string
Symbol string
Decimals big.Int
}
func (c *CicNet) TokenInfo(ctx context.Context, tokenAddress common.Address) (DemurrageToken, error) {
var (
tokenName string
tokenSymbol string
tokenDecimals big.Int
)
err := c.ethClient.CallCtx(
ctx,
eth.CallFunc(w3.MustNewFunc("name()", "string"), tokenAddress).Returns(&tokenName),
eth.CallFunc(w3.MustNewFunc("symbol()", "string"), tokenAddress).Returns(&tokenSymbol),
eth.CallFunc(w3.MustNewFunc("decimals()", "uint256"), tokenAddress).Returns(&tokenDecimals),
)
if err != nil {
return DemurrageToken{}, err
}
return DemurrageToken{
Name: tokenName,
Symbol: tokenSymbol,
Decimals: tokenDecimals,
}, nil
}