35 lines
1 KiB
Go
35 lines
1 KiB
Go
package wrapper
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import (
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neofs-node/pkg/core/container"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
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"github.com/pkg/errors"
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)
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// OwnerID represents the container owner identifier.
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//
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// It is a type alias of
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// github.com/nspcc-dev/neofs-node/pkg/core/container.OwnerID.
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type OwnerID = container.OwnerID
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// BalanceOf receives the amount of funds in the client's account
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// through the Balance contract call, and returns it.
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func (w *Wrapper) BalanceOf(ownerID OwnerID) (int64, error) {
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// convert Neo wallet address to Uint160
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u160, err := address.StringToUint160(ownerID.String())
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if err != nil {
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return 0, errors.Wrap(err, "could not convert wallet address to Uint160")
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}
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// prepare invocation arguments
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args := balance.GetBalanceOfArgs{}
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args.SetWallet(u160.BytesBE())
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values, err := w.client.BalanceOf(args)
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if err != nil {
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return 0, errors.Wrap(err, "could not invoke smart contract")
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}
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return values.Amount(), nil
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}
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