public static (Output, TxKernel) Reward_output(Keychain keychain, Identifier keyId, ulong fees)
{
var secp = keychain.Secp;
var commit = keychain.Commit(Consensus.Reward(fees), keyId);
var switchCommit = keychain.Switch_commit(keyId);
var switchCommitHash = SwitchCommitHash.From_switch_commit(switchCommit);
Log.Verbose(
"Block reward - Pedersen Commit is: {commit}, Switch Commit is: {switch_commit}",
commit,
switchCommit
);
Log.Verbose(
"Block reward - Switch Commit Hash is: { switch_commit_hash}",
switchCommitHash
);
var msg = ProofMessage.Empty();
var rproof = keychain.Range_proof(Consensus.Reward(fees), keyId, commit, msg);
var output = new Output
{
Features = OutputFeatures.CoinbaseOutput,
Commit = commit,
SwitchCommitHash = switchCommitHash,
Proof = rproof
};
var overCommit = secp.commit_value(Consensus.Reward(fees));
var outCommit = output.Commit;
var excess = secp.commit_sum(new[] { outCommit }, new[] { overCommit });
var msg2 = Message.from_slice(new byte[Constants.MessageSize]);
var sig = keychain.Sign(msg2, keyId);
var proof = new TxKernel
{
Features = KernelFeatures.CoinbaseKernel,
Excess = excess,
ExcessSig = sig.serialize_der(secp),
Fee = 0,
LockHeight = 0
};
return(output, proof);
}