cic-go/batch_balance/token_balances.go
Mohammed Sohail c34e1444dc
add: implement and test
changes to contract:
- returns 0 instead of false error status
- func return type is []big.Int
2022-05-17 16:06:19 +03:00

25 lines
585 B
Go

package balance
import (
"context"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/lmittmann/w3"
"github.com/lmittmann/w3/module/eth"
)
func (c *BatchBalance) TokensBalance(ctx context.Context, owner common.Address, tokens []common.Address) ([]*big.Int, error) {
var balancesResults []*big.Int
err := c.ethClient.CallCtx(
ctx,
eth.CallFunc(w3.MustNewFunc("tokensBalance(address owner, address[] contracts)", "uint256[]"), c.batchContract, owner, tokens).Returns(&balancesResults),
)
if err != nil {
return nil, err
}
return balancesResults, nil
}