forked from TrueCloudLab/frostfs-node
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
package accounting
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import (
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"context"
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"github.com/nspcc-dev/neofs-api-go/v2/accounting"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance/wrapper"
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accountingSvc "github.com/nspcc-dev/neofs-node/pkg/services/accounting"
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"github.com/nspcc-dev/neofs-node/pkg/util/precision"
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"github.com/nspcc-dev/neofs-sdk-go/owner"
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)
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type morphExecutor struct {
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client *wrapper.Wrapper
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}
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const fixed8Precision = 8
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func NewExecutor(client *wrapper.Wrapper) accountingSvc.ServiceExecutor {
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return &morphExecutor{
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client: client,
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}
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}
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func (s *morphExecutor) Balance(ctx context.Context, body *accounting.BalanceRequestBody) (*accounting.BalanceResponseBody, error) {
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amount, err := s.client.BalanceOf(owner.NewIDFromV2(body.GetOwnerID()))
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if err != nil {
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return nil, err
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}
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balancePrecision, err := s.client.Decimals()
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if err != nil {
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return nil, err
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}
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// Convert amount to Fixed8 precision. This way it will definitely fit
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// int64 value.
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// Max Fixed8 decimal integer value that fit into int64: 92 233 720 368.
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// Max Fixed12 decimal integer value that fit into int64: 9 223 372.
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// Max Fixed16 decimal integer value that fit into int64: 922.
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fixed8Amount := precision.Convert(balancePrecision, fixed8Precision, amount)
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dec := new(accounting.Decimal)
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dec.SetValue(fixed8Amount.Int64())
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dec.SetPrecision(fixed8Precision)
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res := new(accounting.BalanceResponseBody)
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res.SetBalance(dec)
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return res, nil
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}
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