148 lines
3.4 KiB
Go
148 lines
3.4 KiB
Go
package subnetevents
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import (
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"fmt"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/event"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/network/payload"
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"github.com/nspcc-dev/neo-go/pkg/util"
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)
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// Put structures information about the notification generated by Put method of Subnet contract.
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type Put struct {
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notaryRequest *payload.P2PNotaryRequest
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txHash util.Uint256
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id []byte
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owner []byte
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info []byte
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}
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// MorphEvent implements Neo:Morph Event interface.
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func (Put) MorphEvent() {}
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// ID returns identifier of the creating subnet in a binary format of FrostFS API protocol.
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func (x Put) ID() []byte {
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return x.id
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}
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// Owner returns subnet owner's public key in a binary format.
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func (x Put) Owner() []byte {
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return x.owner
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}
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// Info returns information about the subnet in a binary format of FrostFS API protocol.
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func (x Put) Info() []byte {
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return x.info
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}
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// TxHash returns hash of the transaction which thrown the notification event.
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// Makes sense only in notary environments.
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func (x Put) TxHash() util.Uint256 {
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return x.txHash
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}
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// NotaryMainTx returns main transaction of the request in the Notary service.
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// Returns nil in non-notary environments.
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func (x Put) NotaryMainTx() *transaction.Transaction {
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if x.notaryRequest != nil {
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return x.notaryRequest.MainTransaction
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}
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return nil
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}
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// number of items in notification about subnet creation.
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const itemNumPut = 3
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// ParsePut parses the notification about the creation of a subnet which has been thrown
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// by the appropriate method of the subnet contract.
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//
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// Resulting event is of Put type.
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func ParsePut(e *state.ContainedNotificationEvent) (event.Event, error) {
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var (
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put Put
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err error
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)
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items, err := event.ParseStackArray(e)
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if err != nil {
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return nil, fmt.Errorf("parse stack array: %w", err)
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}
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if ln := len(items); ln != itemNumPut {
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return nil, event.WrongNumberOfParameters(itemNumPut, ln)
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}
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// parse ID
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put.id, err = client.BytesFromStackItem(items[0])
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if err != nil {
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return nil, fmt.Errorf("id item: %w", err)
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}
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// parse owner
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put.owner, err = client.BytesFromStackItem(items[1])
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if err != nil {
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return nil, fmt.Errorf("owner item: %w", err)
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}
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// parse info about subnet
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put.info, err = client.BytesFromStackItem(items[2])
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if err != nil {
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return nil, fmt.Errorf("info item: %w", err)
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}
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put.txHash = e.Container
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return put, nil
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}
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// ParseNotaryPut parses the notary notification about the creation of a subnet which has been
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// thrown by the appropriate method of the subnet contract.
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//
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// Resulting event is of Put type.
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func ParseNotaryPut(e event.NotaryEvent) (event.Event, error) {
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var put Put
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put.notaryRequest = e.Raw()
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if put.notaryRequest == nil {
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panic(fmt.Sprintf("nil %T in notary environment", put.notaryRequest))
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}
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var (
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err error
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prms = e.Params()
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)
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if ln := len(prms); ln != itemNumPut {
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return nil, event.WrongNumberOfParameters(itemNumPut, ln)
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}
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// parse info about subnet
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put.info, err = event.BytesFromOpcode(prms[0])
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if err != nil {
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return nil, fmt.Errorf("info param: %w", err)
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}
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// parse owner
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put.owner, err = event.BytesFromOpcode(prms[1])
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if err != nil {
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return nil, fmt.Errorf("creator param: %w", err)
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}
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// parse ID
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put.id, err = event.BytesFromOpcode(prms[2])
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if err != nil {
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return nil, fmt.Errorf("id param: %w", err)
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}
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return put, nil
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}
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