mirror of
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56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
package rpc
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import (
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"encoding/hex"
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"github.com/kaspanet/kaspad/btcjson"
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"github.com/kaspanet/kaspad/txscript"
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"github.com/kaspanet/kaspad/util"
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)
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// handleDecodeScript handles decodeScript commands.
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func handleDecodeScript(s *Server, cmd interface{}, closeChan <-chan struct{}) (interface{}, error) {
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c := cmd.(*btcjson.DecodeScriptCmd)
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// Convert the hex script to bytes.
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hexStr := c.HexScript
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if len(hexStr)%2 != 0 {
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hexStr = "0" + hexStr
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}
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script, err := hex.DecodeString(hexStr)
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if err != nil {
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return nil, rpcDecodeHexError(hexStr)
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}
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// The disassembled string will contain [error] inline if the script
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// doesn't fully parse, so ignore the error here.
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disbuf, _ := txscript.DisasmString(script)
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// Get information about the script.
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// Ignore the error here since an error means the script couldn't parse
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// and there is no additinal information about it anyways.
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scriptClass, addr, _ := txscript.ExtractScriptPubKeyAddress(script,
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s.cfg.DAGParams)
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var address *string
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if addr != nil {
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address = btcjson.String(addr.EncodeAddress())
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}
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// Convert the script itself to a pay-to-script-hash address.
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p2sh, err := util.NewAddressScriptHash(script, s.cfg.DAGParams.Prefix)
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if err != nil {
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context := "Failed to convert script to pay-to-script-hash"
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return nil, internalRPCError(err.Error(), context)
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}
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// Generate and return the reply.
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reply := btcjson.DecodeScriptResult{
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Asm: disbuf,
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Type: scriptClass.String(),
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Address: address,
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}
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if scriptClass != txscript.ScriptHashTy {
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reply.P2sh = p2sh.EncodeAddress()
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}
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return reply, nil
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}
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