forked from TrueCloudLab/frostfs-node
41eaa1e246
Define notification events, implement parsers. Add morph client of Subnet contract. Listen, verify and approve events in Inner Ring app. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
package morphsubnet
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import (
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"fmt"
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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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)
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// Client represents Subnet contract client.
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//
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// Client should be preliminary initialized (see Init method).
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type Client struct {
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client *client.StaticClient
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}
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// InitPrm groups parameters of Client's initialization.
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type InitPrm struct {
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base *client.Client
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addr util.Uint160
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modeSet bool
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mode Mode
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}
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// SetBaseClient sets basic morph client.
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func (x *InitPrm) SetBaseClient(base *client.Client) {
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x.base = base
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}
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// SetContractAddress sets address of Subnet contract in NeoFS sidechain.
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func (x *InitPrm) SetContractAddress(addr util.Uint160) {
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x.addr = addr
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}
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// Mode regulates client work mode.
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type Mode uint8
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const (
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_ Mode = iota
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// NonNotary makes client to work in non-notary environment.
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NonNotary
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// NotaryAlphabet makes client to use its internal key for signing the notary requests.
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NotaryAlphabet
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// NotaryNonAlphabet makes client to not use its internal key for signing the notary requests.
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NotaryNonAlphabet
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lastMode
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)
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// SetMode makes client to work with non-notary sidechain.
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// By default, NonNotary is used.
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func (x *InitPrm) SetMode(mode Mode) {
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x.modeSet = true
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x.mode = mode
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}
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// Init initializes client with specified parameters.
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//
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// Base client must be set.
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func (x *Client) Init(prm InitPrm) error {
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if prm.base == nil {
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panic("missing base morph client")
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}
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if !prm.modeSet {
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prm.mode = NonNotary
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}
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var opts []client.StaticClientOption
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switch prm.mode {
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default:
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panic(fmt.Sprintf("invalid work mode %d", prm.mode))
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case NonNotary:
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case NotaryNonAlphabet:
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opts = []client.StaticClientOption{client.TryNotary()}
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case NotaryAlphabet:
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opts = []client.StaticClientOption{client.TryNotary(), client.AsAlphabet()}
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}
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var err error
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x.client, err = client.NewStatic(prm.base, prm.addr, 0, opts...)
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return err
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}
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