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https://github.com/kaspanet/kaspad.git
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d14809694f
* [NOD-1223] Delete unused files/packages. * [NOD-1223] Move signal and limits to the os package. * [NOD-1223] Put database and dbaccess into the db package. * [NOD-1223] Fold the logs package into the logger package. * [NOD-1223] Rename domainmessage to appmessage. * [NOD-1223] Rename to/from DomainMessage to AppMessage. * [NOD-1223] Move appmessage to the app packge. * [NOD-1223] Move protocol to the app packge. * [NOD-1223] Move the network package to the infrastructure packge. * [NOD-1223] Rename cmd to executables. * [NOD-1223] Fix go.doc in the logger package.
73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
package rpc
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import (
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"fmt"
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"github.com/kaspanet/kaspad/infrastructure/network/rpc/model"
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"github.com/kaspanet/kaspad/util/daghash"
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)
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// handleRescanBlocks implements the rescanBlocks command extension for
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// websocket connections.
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//
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// NOTE: This extension is ported from github.com/decred/dcrd
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func handleRescanBlocks(wsc *wsClient, icmd interface{}) (interface{}, error) {
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cmd, ok := icmd.(*model.RescanBlocksCmd)
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if !ok {
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return nil, model.ErrRPCInternal
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}
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// Load client's transaction filter. Must exist in order to continue.
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filter := wsc.FilterData()
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if filter == nil {
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return nil, &model.RPCError{
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Code: model.ErrRPCMisc,
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Message: "Transaction filter must be loaded before rescanning",
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}
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}
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blockHashes := make([]*daghash.Hash, len(cmd.BlockHashes))
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for i := range cmd.BlockHashes {
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hash, err := daghash.NewHashFromStr(cmd.BlockHashes[i])
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if err != nil {
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return nil, err
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}
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blockHashes[i] = hash
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}
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discoveredData := make([]model.RescannedBlock, 0, len(blockHashes))
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// Iterate over each block in the request and rescan. When a block
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// contains relevant transactions, add it to the response.
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bc := wsc.server.dag
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params := wsc.server.dag.Params
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var lastBlockHash *daghash.Hash
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for i := range blockHashes {
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block, err := bc.BlockByHash(blockHashes[i])
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if err != nil {
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return nil, &model.RPCError{
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Code: model.ErrRPCBlockNotFound,
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Message: "Failed to fetch block: " + err.Error(),
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}
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}
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if lastBlockHash != nil && !block.MsgBlock().Header.ParentHashes[0].IsEqual(lastBlockHash) { // TODO: (Stas) This is likely wrong. Modified to satisfy compilation.
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return nil, &model.RPCError{
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Code: model.ErrRPCInvalidParameter,
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Message: fmt.Sprintf("Block %s is not a child of %s",
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blockHashes[i], lastBlockHash),
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}
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}
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lastBlockHash = blockHashes[i]
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transactions := rescanBlockFilter(filter, block, params)
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if len(transactions) != 0 {
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discoveredData = append(discoveredData, model.RescannedBlock{
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Hash: cmd.BlockHashes[i],
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Transactions: transactions,
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})
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}
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}
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return &discoveredData, nil
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}
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