output_tx on Genesis Block

Question

I made a monero fork and generated a genesis block with a new one-time P but i never see the first reward in my wallet.

Can somebody tell me what is the index_output used on the output of a custom genesis block. ?

i mean, in order to create an output pub key we do

P=Hs(8rA || i)G+B

A = Pub_view_key , B = Pub_spend_key , i = index

so, i have to do it with i = 1 ? or i = 0 ?, is it the same to do Hs(8rA || 0) than Hs(8rA).

did u use bc for P=Hs(8rA || i)G+B can u write what did u do more concretly? — rey, Commented Jan 2, 2019 at 0:50

jtgrassie · Accepted Answer · 2018-12-20 04:22:50Z

4

It's the output index. Assuming you just have one output (all the reward to a single output), just use 0. E.g. P=Hs(8rA || 0)G+B.

answered Dec 20, 2018 at 4:22

jtgrassie

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hi, i tried P=Hs(8rA || 0)G+B , put P on the tx_gen_hex , started mining successfully , but still not seeing the genesis block reward on my wallet. only the the rewards starting at height 1. any ideas why ? is related to the index or the wallet not processing well the genesis output_tx. ?
– jszwako
Commented Dec 20, 2018 at 17:08
You are likely not constructing the transaction properly. See: monero.stackexchange.com/questions/9917/…
– jtgrassie
Commented Dec 20, 2018 at 17:14
maybe i am doing it wrong. anyway i tried using an existing one-time P of a real transaction on the blockchain like you said. i used the transaction xmrchain.net/tx/… of the mastering monero seed example , used the stealth address b3a500acfa163763ccf6d2c10262294f8c287df3e5cac6309408adf94dc50335 and the extra 011c9c4272cc738815c2d22c7d3c6ebfbb7a820a6c7a3b591288d5025003cde24b, but no luck. i´ll keep looking my error.
– jszwako
Commented Dec 20, 2018 at 20:24
1

I found the problem. it was not the one-time key generation. The wallet-cli does not process the genesis block , you have to force it. any way now i can continue on my lab. thanks for the help @jtgrassie .
– jszwako
Commented Dec 27, 2018 at 20:52

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