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smartcontract: add CreateSignatureRedeemScript()

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It's very similar to the CreateMultiSigRedeemScript() and it will be used in
interop functions.
This commit is contained in:
Roman Khimov 2019-10-10 18:22:06 +03:00
parent 238c590ddb
commit c5a4cfaebe
1 changed files with 15 additions and 0 deletions
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15
pkg/smartcontract/contract.go
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@ -9,6 +9,21 @@ import (
"github.com/CityOfZion/neo-go/pkg/vm" "github.com/CityOfZion/neo-go/pkg/vm"
) )
// CreateSignatureRedeemScript creates a check signature script runnable by VM.
func CreateSignatureRedeemScript(key *keys.PublicKey) ([]byte, error) {
buf := new(bytes.Buffer)
err := vm.EmitBytes(buf, key.Bytes())
if err != nil {
return nil, err
}
err = vm.EmitOpcode(buf, vm.CHECKSIG)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// CreateMultiSigRedeemScript will create a script runnable by the VM. // CreateMultiSigRedeemScript will create a script runnable by the VM.
func CreateMultiSigRedeemScript(m int, publicKeys keys.PublicKeys) ([]byte, error) { func CreateMultiSigRedeemScript(m int, publicKeys keys.PublicKeys) ([]byte, error) {
if m <= 1 { if m <= 1 {