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txscript: Remove unused PayToSStx.

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This removes PayToSStx since it is no longer used by anything in the
repository and is now available via the VotingRightsScript method of the
relevant stdaddr addresses.
This commit is contained in:
Dave Collins 2021-03-16 12:36:41 -05:00
parent 59d8db038f
commit 21b91f8b4e
No known key found for this signature in database
GPG Key ID: B8904D9D9C93D1F2
1 changed files with 0 additions and 43 deletions
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43
txscript/standard.go
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@ -810,49 +810,6 @@ func payToSchnorrPubKeyScript(serializedPubKey []byte) ([]byte, error) {
AddOp(OP_CHECKSIGALT).Script()
}
// PayToSStx creates a new script to pay a transaction output to a script hash or
// public key hash, but tags the output with OP_SSTX. For use in constructing
// valid SStxs.
func PayToSStx(addr dcrutil.Address) ([]byte, error) {
// Only pay to pubkey hash and pay to script hash are
// supported.
scriptType := PubKeyHashTy
switch addr := addr.(type) {
case *dcrutil.AddressPubKeyHash:
if addr == nil {
return nil, scriptError(ErrUnsupportedAddress,
nilAddrErrStr)
}
if addr.DSA() != dcrec.STEcdsaSecp256k1 {
str := "unable to generate payment script for " +
"unsupported digital signature algorithm"
return nil, scriptError(ErrUnsupportedAddress, str)
}
case *dcrutil.AddressScriptHash:
if addr == nil {
return nil, scriptError(ErrUnsupportedAddress,
nilAddrErrStr)
}
scriptType = ScriptHashTy
default:
str := fmt.Sprintf("unable to generate payment script for "+
"unsupported address type %T", addr)
return nil, scriptError(ErrUnsupportedAddress, str)
}
hash := addr.ScriptAddress()
if scriptType == PubKeyHashTy {
return NewScriptBuilder().AddOp(OP_SSTX).AddOp(OP_DUP).
AddOp(OP_HASH160).AddData(hash).AddOp(OP_EQUALVERIFY).
AddOp(OP_CHECKSIG).Script()
}
return NewScriptBuilder().AddOp(OP_SSTX).AddOp(OP_HASH160).
AddData(hash).AddOp(OP_EQUAL).Script()
}
// PayToSStxChange creates a new script to pay a transaction output to a
// public key hash, but tags the output with OP_SSTXCHANGE. For use in constructing
// valid SStxs.