mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-10-16 15:43:25 +00:00
94672cb9cc
* added publish TX for backwards compat. * lowered the prototick for faster block syncing * print useragent on startup * added createMultiRedeemScript for genesis block generation. * building genesis block from scratch. * implemented merkle tree. * starting blockhain with generated genesis hash * Fixed bug in unspent coin state. * fixed broken tests after genesis block. * removed log line. * bumped version -> 0.34.0
34 lines
900 B
Go
34 lines
900 B
Go
package smartcontract
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import (
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"bytes"
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"fmt"
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"sort"
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"github.com/CityOfZion/neo-go/pkg/crypto"
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"github.com/CityOfZion/neo-go/pkg/vm"
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)
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// CreateMultiSigRedeemScript will create a script runnable by the VM.
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func CreateMultiSigRedeemScript(m int, publicKeys crypto.PublicKeys) ([]byte, error) {
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if m <= 1 {
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return nil, fmt.Errorf("param m cannot be smaller or equal to 1 got %d", m)
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}
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if m > len(publicKeys) {
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return nil, fmt.Errorf("length of the signatures (%d) is higher then the number of public keys", m)
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}
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if m > 1024 {
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return nil, fmt.Errorf("public key count %d exceeds maximum of length 1024", len(publicKeys))
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}
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buf := new(bytes.Buffer)
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vm.EmitInt(buf, int64(m))
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sort.Sort(publicKeys)
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for _, pubKey := range publicKeys {
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vm.EmitBytes(buf, pubKey.Bytes())
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}
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vm.EmitInt(buf, int64(len(publicKeys)))
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vm.EmitOpcode(buf, vm.Ocheckmultisig)
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return buf.Bytes(), nil
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}
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