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I am using get_transactions of daemon rpc to get specifics of a transaction.
Trying to check incoming transactions manually by checking this method :
is_mine(out, R, i):
P = Hs(8aR||i)G + B
return P == out
Credits to jtgrassie
How do I get G from get_transactions?
G is {0x58, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66 }.
See src/ringct/rctOps.h, line 65.
Gis not in the tx, it's a pre agreed upon generator point of the ed25519 curve. See this q/a which explains further.