38 lines
1.2 KiB
Go
38 lines
1.2 KiB
Go
package wrapper
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import (
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
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)
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// Wrapper is a wrapper over balance contract
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// client which implements:
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// * tool for obtaining the amount of funds in the client's account;
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// * tool for obtaining decimal precision of currency transactions.
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//
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// Working wrapper must be created via constructor New.
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// Using the Wrapper that has been created with new(Wrapper)
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// expression (or just declaring a Wrapper variable) is unsafe
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// and can lead to panic.
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type Wrapper struct {
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client *balance.Client
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}
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// NewFromMorph returns the wrapper instance from the raw morph client.
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func NewFromMorph(cli *client.Client, contract util.Uint160, fee fixedn.Fixed8) (*Wrapper, error) {
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staticClient, err := client.NewStatic(cli, contract, fee)
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if err != nil {
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return nil, fmt.Errorf("could not create static client of Balance contract: %w", err)
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}
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enhancedBalanceClient, err := balance.New(staticClient)
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if err != nil {
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return nil, fmt.Errorf("could not create Balance contract client: %w", err)
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}
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return &Wrapper{client: enhancedBalanceClient}, nil
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}
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