public byte[] SignMessageByServiceKey(byte[] data, int chain, uint index)
{
using var masterKey = BitcoinBasedConfig
.CreateExtKeyFromSeed(Seed);
using var derivedKey = masterKey
.Derive(new KeyPath(path: $"m/{ServicePurpose}'/0'/0'/{chain}/{index}"));
return(derivedKey.SignMessage(data));
}
public SecureBytes GetServicePublicKey(uint index)
{
using var masterKey = BitcoinBasedConfig
.CreateExtKeyFromSeed(Seed);
using var extKey = masterKey
.Derive(new KeyPath(path: $"m/{ServicePurpose}'/0'/0'/0/{index}"));
return(extKey.GetPublicKey());
}