forked from TrueCloudLab/frostfs-sdk-go
100 lines
2.4 KiB
Go
100 lines
2.4 KiB
Go
package client
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import (
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"context"
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v2accounting "github.com/nspcc-dev/neofs-api-go/v2/accounting"
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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rpcapi "github.com/nspcc-dev/neofs-api-go/v2/rpc"
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"github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
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"github.com/nspcc-dev/neofs-sdk-go/accounting"
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"github.com/nspcc-dev/neofs-sdk-go/user"
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)
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// PrmBalanceGet groups parameters of BalanceGet operation.
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type PrmBalanceGet struct {
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prmCommonMeta
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accountSet bool
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account user.ID
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}
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// SetAccount sets identifier of the NeoFS account for which the balance is requested.
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// Required parameter.
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func (x *PrmBalanceGet) SetAccount(id user.ID) {
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x.account = id
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x.accountSet = true
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}
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// ResBalanceGet groups resulting values of BalanceGet operation.
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type ResBalanceGet struct {
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amount accounting.Decimal
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}
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// Amount returns current amount of funds on the NeoFS account as decimal number.
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func (x ResBalanceGet) Amount() accounting.Decimal {
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return x.amount
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}
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// BalanceGet requests current balance of the NeoFS account.
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//
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// Any errors (local or remote, including returned status codes) are returned as Go errors,
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// see [apistatus] package for NeoFS-specific error types.
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//
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// Immediately panics if parameters are set incorrectly (see PrmBalanceGet docs).
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// Context is required and must not be nil. It is used for network communication.
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func (c *Client) BalanceGet(ctx context.Context, prm PrmBalanceGet) (*ResBalanceGet, error) {
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switch {
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case !prm.accountSet:
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panic("account not set")
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}
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// form request body
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var accountV2 refs.OwnerID
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prm.account.WriteToV2(&accountV2)
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var body v2accounting.BalanceRequestBody
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body.SetOwnerID(&accountV2)
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// form request
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var req v2accounting.BalanceRequest
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req.SetBody(&body)
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// init call context
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var (
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cc contextCall
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res ResBalanceGet
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)
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c.initCallContext(&cc)
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cc.meta = prm.prmCommonMeta
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cc.req = &req
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cc.call = func() (responseV2, error) {
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return rpcapi.Balance(&c.c, &req, client.WithContext(ctx))
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}
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cc.result = func(r responseV2) {
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resp := r.(*v2accounting.BalanceResponse)
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const fieldBalance = "balance"
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bal := resp.GetBody().GetBalance()
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if bal == nil {
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cc.err = newErrMissingResponseField(fieldBalance)
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return
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}
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cc.err = res.amount.ReadFromV2(*bal)
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if cc.err != nil {
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cc.err = newErrInvalidResponseField(fieldBalance, cc.err)
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}
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}
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// process call
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if !cc.processCall() {
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return nil, cc.err
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}
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return &res, nil
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}
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